Sharp VC-MH80, Service Manual

Page 1: ...IONS _ _ _ _ 3 2 DISASSEMBLY AND REASSEMBLY 4 3 FUNCTION OF MAJOR MECHANICAL PARTS _ 8 4 ADJUSTMENT REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS 10 5 ELECTRICAL ADJUSTMENT _ _ _ 34 6 MECHANISM OPERATION FLOW CHART AND TROUBLESHOOTING GUIDE 43 7 TROUBLESHOOTING 49 8 BLOCK DIAGRAMS _ _ _ _ _ _ _ _ _ 67 9 CIRCUIT DIARAM AND PWB FOIL PATTERN 75 10 REPLACEMENT PARTS LIST 105 1 1 EXPLODED VIEWS r _ 127 ...

Page 2: ... D710 and D709 Insert the sensor s projection deep into the upper hole of the holder LHLDZ1893AJOO Referring to the PWB fix the sensors tight enough 2 Photocoupler RH FX0005GEZZ IC901 Refer to the symbol on the PWB and the anode marking of the part 3 Cam switches A and B RH PX0231GEZZ D714 and D713 Adjust the notch of the part to the white marker of the symbol on the PWB Do not allow a6y looseness...

Page 3: ... mode 12 7mm 23 39 mm s PAL SP 11 70 mm s PAL LP 33 35 mm s NTSCSP 16 68mm s NTSC LP 1 l lZmm s NTSC EP 75 ohm unbalanced VHF Channel 1A 520 UHF Channel E21 US83 VGMH80 UHF Channel E21 E69 VGMH90 VHF Channel E30 E39 preset to CH E39 VGMH80 or CH E36 VC MH90 AC1 lo 24OV 50160Hz Approx 20 W atAC220VI50Hz VC MHSO Approx 22W at AC220V 50Hz VC MH90 5 C to 40 C 20 Cto60 C j Approx 4 5 kg 430 mm W x 340 ...

Page 4: ...PERATION PWB Disconnect the FFC from the BOlTOM PLATE Remove 5 screws 8 and 2 screws 0 socket 0 Remove 2 clips do OSD MPX PWB Disconnect the FFCs from the 3 FRONT PANEL Remove 7 clips TIMER PWB Remove 1 screw 8 Disconnect sockets 0 Take out 3 holders the FFC from the sockets 0 and Remove 3 clips TOP CABINET ...

Page 5: ...rom below the main frame Take out the socket Remove 2 screws and take out the tuner holder Rempve 1 screw I Lift the antenna terminal block and take the mechamism main PWB assembly out of the main frame Be careful not to hit the REC TIP switch located below the cassette controller TIfhER PWB XM APXPWB ...

Page 6: ...the ASSEMBLY relay PWB out of the socket Rmove 1 screw and detach the head amplifier unit Disconnect the FFC from the socket Remove 2 screws from behind the main PWB Lift the mechanism chassis cassette controller assembly vertically to take it out of the main PWB CASSETTE CONTROLLER Remove 2 screws CASSETTE CONTROLLER HEAD AMPLIFIER CHASSIS CASSETTE CONTROLLER ASSEMBLY A N T E N N A TERMINAL BOX ...

Page 7: ...nitial setting position l Now place Drive angle of the cassette controller in cassette control position This method is a p p l i c a b l e f o r t h e mechanism alone Phase matching point COUPLING TH E MECHANISMTO THE PWB Match the mechanism s projections with the two symbots r nd reference and oval sub reference on the main PWB Place the mechanism straight down in position with due care so that t...

Page 8: ...the upper and lower guides Tension arm ass y Detects the tension of tape while running and brakes the supply reel disk via the tension band Main supply brake lever Brakes the supply reel disk to prevent tape slackening when the unit is stopped in fast forward or rewind mode Main take up brake lever Brakes the take up reel disk to prevent tape slackening when the unit is stopped in fast forward or ...

Page 9: ...stan D D motor to the the master cam in the slow still mode and brakes it to a reel disk via the reel idler certain degree 3 Capstan D D motor A motive power which runs the tape It transmits the power via the reel belt 8 Shifter Transmits the operation of the master cam to break and loading gear 4 Reel belt Transmits the powertorun the tape to the reel pulley 9 Take up loading gear Shifts the take...

Page 10: ...GTG0090 JiGTGl200 Gauge Head JiGTH0006 Cassette Torque Meter JiGVHT 063 Tension Gauge 3OC 4 Tension Gauge 2 Okg Hex Wrench 0 9mm Hex Wrench 1 2mm Hex Wrench 1 5mm Alignment Tape PAL Alignment Tape NTSC JiGSG0300 JiGSG2000 JiGHW0009 JiGHW0012 JiGHW0015 VROCPSV VRONBZGS Tension Gauge Adapter JiGADP003 I Confzration BX AW 4 AE AE AE BK a Remarks These Jigs are used for checking and adjusting the reel...

Page 11: ... to screw down resin 14 Torque Driver JiGTDl200 CB made parts the specified torque is 5 kg This Jig is used for height adjust JiGDRiVER 10 7 A S m e n t o f t h e AK head and X position 15 Box Driver JiGDRiVER 10 4 A V This Jig is used for replacement of c the SI roller 17 Reverse Guide Height JIGRVGH F18 B U This Jig is used for height adjust Adjusting Jig ment of the reverse guide 11 ...

Page 12: ...lour beating Clean tape contact area with the specified cleaning AK head 0 q q 0 Sound toosmall or distorted liquid Capstan D D Motor Cl 0 Cl 0 No tape running uneven colour Pinch roller q 0 q 0 No tape running tape slack Clean rubber and rubber contact area with the Reel belt q 0 No tape running tape slack no fast forward rewind motion specified cleaning liquid Tension band ass y 0 Cassette not l...

Page 13: ... 2 to position the cassette control on the mechanism chassis Drive angle of cassette control Figure 4 2 2 Follow the procedures for removal in the reverse order Notes 0 In using a magnet screw driver be sure to keep it away from the A C head FE Full Erase head or the drum 8 In removal and reassembly take care not to hit the cassette housing control assembly or tools against the guide pin drum or t...

Page 14: ...mble the supply main brake Notes Take enough care not to deform the tension band during installation of the supply reel disk Be careful not to damage the supply main brake l Reassembly Take up reel disk 1 Clean the reel disk shaft and apply oi to it 2 Install a new take up reel disk onto the shaft 3 Check the reel disk height and reassemble the take up main brake Note Take care not to damage the t...

Page 15: ...0Qgf cm Torque gauge 69mN m 700gf cm or more I 1 Thegauge is held at I I its maximum value Red mark 3 l Adjustment 1 If the take up torque is outside the range clean the capstan D D motor pulley reel belt and reel pulley with cleaning liquid then recheck the torque 2 If the take up torque is still out of range replace the reel belt Notes 1 Hold down the torque gauge so that it may not fly off 2 Wh...

Page 16: ... fluctuation as the value 3 Place the ass y in the SP record mode and check that the take up torque is within the range CHECKING AND ADJUSTMENT OF TAKE UP TORQUE IN VIDEO SEARCH REWIND MODE 0 0 0 1 2 l 1 Remove the cassette housing control assembly Make a short circuit between TP5001 and TP5002 both located on the timer PWB Now turn on the power Setting Push the PLAY button to place the ass y in t...

Page 17: ...0 8 mN m 13 8gfcm Tj Torque gauge I Take up reel disk u Note Set the torque gauge securely on the take up reel disk If it is not secure the measurement will be incorrect 8 Measure the torque with the torque gauge s weight exerted on the reel disk CHECKING THE VIDEO SEARCH REWIND BACK TENSION 0 l 0 1 2 3 Remove the cassette housing control assembly Make a short circuit between TP5001 and TP5002 bot...

Page 18: ...Cassette tape float 5009 Figure 4 l 6 l Checking 1 Set a cassette tape press the REC button and get the tape loaded Now check the tension pole po sition 2 Visually check to see if the left end of the tension pole is in alignment with the line 0 2 mm left of the center line of the 51 roller Readjust as re quired in the following steps Tension pole Make the adjustmentwith the beginning of a E 180 ta...

Page 19: ...K TENSION l Remove the cassette housing control assembly Cassette torque meter Figure 4 22 l Checking 1 Push the REC button to place record mode the unit in the 2 Check that the back tension indicated by the gauge is within the set range 31 to 38 g cm Notes 1 Make sure that the video cassette tape is over the retaining guide 2 Make sure that the tape is not slack nor da maged at either end l Adjus...

Page 20: ...bly l Make a short circuit between TP5001 and TP5002 both located on the timer PWB Now turn on the power 0 Setting 1 Set a torque gauge to zero on the scale Place it on the take up reel disk 2 Switch from the FF mode to the STOP mode 3 Disconnect the AC power plug l Checking 1 Slowly rotate the torque gauge in the clockwise CW direction and counterclockwise CCW di rection of the take up brake SD t...

Page 21: ...ger with alcohol 2 Take care that the azimuth spring does not fly off when removing the A C head screw Pay attention to 1 the azimuth spring Figure 4 26 0 Replacement 1 Solder the r moved A C head PWB onto a new A C head assembly 2 The A C head assembly is attached so that the A C head arm and A C head plate are roughly parallel to each other New AK head Never touch the PWB L A C head arm Figure 4...

Page 22: ...the playback mode l Adjustment Adjust the nut visually so that the control head is visible 0 3 to 0 5mm below the bottom of the tape Reverse guide hei adjusting jig Reverse guide 1 2 3 Reverse guide height adjusting Jig 4 Figure 4 31 lb In the tape load mode make adjustment at the 13 38mm side first and then rotate the height adjusting nut by l 6 turn counterclockwise Actually load the unit with a...

Page 23: ... cassette tape Guide roller Hexagon Figure 4 33 Figure 4 34 d In the X value adjustment mode see the Elec trical Adjustment change the envelope waveform from MAX to MIN and MIN to MAX by pushing the or tracking button and check a flat response is obtained on the wave form e If a flat response cannot be obtained roughly adjust the guide rollers on the supply side and take up side using an adjusting...

Page 24: ...k the tape drive train alignment tape c Push the or button to change the enve lope waveform from MAX to MIN and MIN to MAX Adjust the guide roller s height on the supply and take up sides with an adjusting screw driver to obtain an envelop waveform that is as flat as possible d If the tape is above or below the helical lead the PB CHROMA waveform will take the shape shown in Figure 4 41 e Adjust f...

Page 25: ...to board connector on the main PWB Notes 1 After installing the capstan D D motor be sure to rotate the capstan D D motor and check the movement 2 Check the servo circuit REPLACEMENT OF DRUM D D MOTOR 1 2 a 1 2 3 4 5 Put the unit in the cassette eject position Unplug the power cord Removal Reverse the order in reassembly Disconnect the FFC cable 0 Unscrew the stator assembly fixing screws Take out...

Page 26: ...ifter on the back of the mecha nism chassis 3 Mounting the master cam on the back of the mechanism chassis Pinch Drive Cam 4 Mounting the connection gear slow brake and loading motor assemblies on the back of the mechanism chassis II 1 Assembling the pinch roller assembly and the pinch drive cam on the front of the mechanism chassis Place the following parts in po tion in numerical order 1 Pinch d...

Page 27: ...VC MH80 VC MH90 a Insert Pinch Roller Pinch Double Action Lever Ass y Insert Open Lever Phase Matching Point 8 Pinch Roller Pinch Double Action Lever AsfY Figure 4 46 2 Figure 4 46 3 27 ...

Page 28: ...w 2 Place the shifter in position keeping in mind the 7 insertion points and the five relief points 3 For the phase matching at the insertion point l see the point 2 as shown below 4 Finally fix the shifter with two washers located on insert points 0 and 6 Phase Matching Point 8 Insert Point 0 I LX WZlOdlGEOO Cut Washer LX W71073GFOO I I 1 I I I I I I il w Q Point v v 0 f 4 J AL Relzase Point 0 Re...

Page 29: ...nd that the shifter is at the point as shown below 2 Place the master cam in the position as shown below E ring XRESJ40 06000 Master Cam Note See the figure below for the phase matching be tween the master cam and the cassette control drive gear 3 Finally fix the master cam with E ring Figure 4 49 29 ...

Page 30: ...it mechanism chassis Catch the spring to the take up fixing guide that is at the left of the A C head 8 Slow Brake I I I Figure 4 50 1 0 Before setting up the loading motor make sure the When these actions are made smoothly return the phase is matched To do so turn the connection mechanism to the state as shown above gear clockwise and check to see if the loading is Finally mount the loading motor...

Page 31: ...ew to ensure the gap 1 11 7 0 05mm m CT A part To press the motor in receive it by portion A Figure 4 53 Press fit the loading motor pulley with a force of less than 98N 10 kgf Be sure that the pulley is 11 7 0 05 mm away from the motor Figure 4 51 0 Replacement 0 Take out the old loading motor Place a replace ment loading motor as shown above figure 4 51 31 ...

Page 32: ...MBLY OF CASSETTE HOUSING 0 Drive Gear Rand Drive Angle Ass y MSPRT0381NFI Apply grease Phase Matching Point l Fix the drive angle ass y to the drive gear R as shown in the figure Drive angle aa y Drive gear R Figure 4 54 32 ...

Page 33: ...round hole with the synchro gear s triangular A symbol Do this alignment for both the drive gears Phase Matching Point Figure 4 56 Note Do not over turn both of the drive gears when the phase has been matched These gears are partially toothless and might come out of mesh with the synchro gear In such a case the phase needs re matching 33 ...

Page 34: ...ideo cassette tape Screwdriver for adjustment Colour bar signal generator Frequency counter Dual trace oscilloscope AC milli voltmeter Alignment tape VROCPSV Alignment tape VROATSV Alignment tape VROCBFFS Alignment tape VROCPZJS X Servicing precautions When the IC703 E PROM has been replaced make the following reprogramming Depending on models the IC703 E PROM has been factry adjusted for it s mem...

Page 35: ... located on the timer PWB to center the tracking 3 AC power cord is plugged in 4 You can make mechanism operating mode Replug the AC power cord a few minutes later CH 1 1 Vfdiv 5Opsldiv CH 2 2V div 5Ousfdiv CH 1 6 5 0 5H lines iV sync Figure 5 2 ADJUSTMENT OF PAL SYSTEM SP LP SLOW TRACKING PRESET Measuring instrument Colour TV monitor Mode Cassette Playback Self recorded tape SP LP mode See Note b...

Page 36: ...tte which was recorded by the unit in SP mode 2 Press the PAUSE STILL button to freeze the picture 3 Look at the monitor screen and adjust or TRACKING buttons so that the vertical jitter of the picture to be minimized 4 Play and freeze the self recorded tape in SP mode and make sure vertical jitter of the picture is not noticeable For the LP mode put adjustment at the same adjustment way as SP mod...

Page 37: ...ord the signal on tape 3 Rewind and play the tape where signal was recorded in above step 0 Set up of TEST mode 4 Press the SLOW button on the remote control and playback the recorded portion in the slow mode When the adjustment of HEAD SWITCH NG POINT AUTO TRACKING function is invalid When the cassette housing control ass y is removed setup of mechanism operating mode 1 Replug the AC power cord a...

Page 38: ...which was recorded by the unit in SP mode 2 Press the PAUSE STILL button to freeze the picture 3 Look at the monitor screen and adjust or TRACKING buttons so that the vertical jitter of the picture to be minimized 4 Play and freeze the self recorded tape in SP mode and make sure vertical jitter of the picture is not noticeable For the EP mode put adjustment at the same adjustment way as SP mode No...

Page 39: ...CHECKING OF RECORD LEVEL IMeasuring I Osci I loscope instrument I Mode t Record mode PAL LP mode ______ Record mode SECAM LP mode VC MH80 ONLY Input signal PAL colour bar signal 1 OVp p SECAM colour bar signal 1 OVP PI VC MH80 ONLY I Control I R224 REC Y LEVEL I Chroma Red 44 5 8mVp p Chroma Cyan 44 8mVp p VC MH80 ONLY __ Sync tip 140 i 1 SmVp p 1 2 3 4 5 6 7 8 9 Feed the PAL colour bar signal to ...

Page 40: ...Make sure that the output signal amplitude is 1 OVp p as shown in Figure 5 7 Note If the 75 ohm terminating resistor is missing the signal amplitude will be doubled Figure 5 7 ADJUSTMENT OF VCO Measuring instrument Mode input signal Test point Control Specification DC volmeter Monitor TV Recording or E E EIA colour bar 1 OVp p TP5901 Sig TP5902 GND c5902 2 5 0 25Vpp 1 Have the unit receiver a good...

Page 41: ...3 Put the unit in E E or recording mode with the make sure that the milli voltmeter reads specified value Check the level is less than 2dB both Left channel and Right channels VC MH80 VC MH90 ADJUSTMENT OF FM CARRIER FREQUENCY Measuring instrument Frequency counter Mode Input signal Test point Controls E E or REC mode Not required TP6301 Sig TP6302 GND R6310 R6363 NTSC carrier frequency control R6...

Page 42: ...output level is as specified Note Check the PLAYBACK level is less than 2 0dB both Left channel and Right channels CHECKING OF Hi Fi NORMAL RECORD PLAYBACK LEVEL AUDIO SELF Measuring instrument AC milli voltmeter Mode Record Playback Feed the audio signal shown in table to the left channel of the AUDIO IN jack Connect an AC milli voltmeter to the left channel of the AUDIO OUT jack and right channe...

Page 43: ...cassette insertion Cassette LED or some other part is YES judged defective I Drum motor starts t I Tape loading t I Pinch roller comes into contact t Cam switch is at PR position t Loading motor stop t 1 NO Unloading 1 End 4 1 MECHANISM OPERATION FLOWCHF l This flowchart describes the outline of the mechanism s operation but does not give its details I Cam movement chat t Mode checking Mode detect...

Page 44: ...n and master cam clockwise Loading motor turns in I reverse direction and master Pinch roller releasing Cam switch is at STILL Slow brake pressing Release pinch roller I 3 Capstan motor turns counterclockwise Loading motor turns Unloading Turn loading motor PLAY VSF REUPLAY STOP I Press FF key Press STOP key ISet the capstan motor to PB speed I 1 p an motor to search 1 outputted End ...

Page 45: ...g 1 Stop capstan motor I I Cam switch is at Stoo I Loading motor stops Press EJECT key Loading motor turn in reverse direction and master cam counter clockwise 1 Capstan motor turns in reverse direction Stop loading motor I I YES No supply reel pulses outputted for NO Capstan motor turns BOms counterclockwise in about 2 seconds I Cam switch is at ...

Page 46: ...ding motor system in trouble control system in or master cam trouble malpositioned YES r l Replace the capstan motor Are idler gear and NO Replace the idler reel disk in mesh ass y YES I The cassette tape is presumably damaged 2 REUF LAY FAILURE MODE RELEASE 4 I Is the master cam NO Does loading NO Is voltage applied NO Voltage supply at PB position motor operate to loading motor system in trouble...

Page 47: ... outputted NO Replace reel from reel sensor sensor 1NO Unusual sound heard with pinch YES HCheck pinch roller drive cam pinch roller drive roller lever going up or down 7 lever and reverse guide for their actions Replace damaged one with new one 1 L I Is unusual sound heard during loading unloading 1 I Atunloading Lever in mesh with I YES pi I t 1 Check main PWE 1 Replace loading motor block L 1 ...

Page 48: ...e parts Drive system out of contact with any part on main PWB NO YES d Rearrange the parts on main PWB Turn capstan motor by hand Unusual sound heard 7 YES Replace capstan motor NO Check drive system s gears for damage Replace damaged gear with new one 0 Reel disk l Reel pulley ass y l Clutch gear ass y l Reel idler ass y ...

Page 49: ...ral circuit of 4923 and P FAIL L signal line etc Check system control circuit IC701 and cam switch circuit In case of Fuse FQOl blown out I check D901 asa result of check if Check short circuit or leak of D921 FLOWCHARTNO 3POWERTROUBLESHOOTING 3 In case of abnormal noise sound I I Ch cD92i D923 D924 DQ26 and FLOW CHART NO 4 POWER TROUBLESHOOTING 4 In case of output voltage at low level I Check the...

Page 50: ... power circuit and peripheral circuit of 09907 Does the fluorescent display tube function YES No Check for cracks on the fluorescent display tube I Replace IC5001 I contact Check switch contact key inputs YE5 Check all the terminals of IC5001 and switches for poor soldering Are pulses received at pins 26 ND thru 29 of It5001 when the keys Check lines of key in and scan out are activated YE5 Check ...

Page 51: ...eck start sensor and all the way up thru to pin 87 of IC701 L 6 1 YE5 Does pin 5 of IC704 go to a H about 1 7V level when the cassette tape is inserted YES NO Check line between pin 96 of IC701 and all the way up thru to pin 5 of IC704 Does pin 2 of lC704 change to NO Check IC704 about 1OV when the cassette tape is inserted 7 Is the specified voltage applied at NO Check between IC704 and loading t...

Page 52: ...the way up thru to pulse has been inputted pin 6 of IC704 1 YES Check IC704 the loading motor terminal Check between IC704 and all the way up thru to the loadinq motor NO Dose the loading motor run Replace loading motor 1 I L I YES Check RX001 and IC701 and all the way thru between them 1 YES I I k IN0 AreFIP data pulses FIP clock pulses and FIP control ready pulses applied to pins 24 23 and 22 of...

Page 53: ... about 1 3 NO Check between pin 40 of It701 V applied at pin 6 of ME YES and all the way up to pin 6 of ME connector connector connector Check pins 64 63 of IC701 and all the way up to the 2 5V line Check between the MC connector sent in pin 5 of MC connector andallthewayupthrutopin 41 of IC701 pin 3 of ME connector 1 YES CheckAT12V line I t I I Replace drum motor I 1 I Check pin 42 of IC701 Check...

Page 54: ...here the serial data NO Check between pins 14 and clockat pins 14 and f and Of lcZol and the 15 of ICZOl way up thru to pins 1 and 2 of IC701 FLOW CHART NO 19 RECORDMG MODE LUMINANCE TROUBLESHOOTING Recording is not possible E E mode is possible I NO Check parts around pins 38 39 47 and 48 of lC20 1 NO Check partsaround pin 50 of IC201 connector YES Check R224 REC FM level control YES Check periph...

Page 55: ...our in SECAM mode E E mode and PAL mode are OK I lsthere signal at pin 28 of 1c5301 YES Is 5V applied at pins 19 and 30 of IC NO YES Is base signal of Q5303 biased YES v Check Q5303 Q590 and its peripheral circuits Check peripheral circuit of 45301 v Is pin 6 of IC5301 Check peripheral parts Low level of IC 5301 NO Check E E line I I Playback is not possible I I I I lsthere 5 at pin 16 of NO Check...

Page 56: ...ignal at pin 12 of lC53017 YES NO Check 95301 E E L line IC 5301 and peripheral parts Is base signal of Q5304 biased NO Check SECAM 5V line YES I Is audio signal Check line betw inputted to pins 2 N0 een NICAM or IGR L W and 35 IR Decoder circuit and CH of IC6301 7 the Hi Fi circuit YES VC MH90 only Checkthe line between the IF unit s Audio Out and the Hi Fi circuit VC MH80 onbl pins 18 and 16 of ...

Page 57: ...d at pins 47 and 45 of IC6301 1 RFcoupling Is audio signal outputted at pin 48 of IC6301 XAudio signal output mode selection Pin 23 of IC6301 r H 1 Hi N 1 1 1 L i NORMAL 1 I I 1 YES Line coupling Check line ranging from pins 47 and 45 of IC6301 to the RFcoupling Check line ranging from pin 48 of IC6301 tothe audio input terminal pin 2 of tuner CNV6301 VC MH90 only Refer to the E E system troublesh...

Page 58: ... in the order of 2 1 2 Tape Speed PAL SP LP NTSC SP LP NTSC EP VSFNSR 1 VSFNSR 2 SLOW 1 SLOW 2 x 3 x 7 l 30 l 10 x 3 x 5 rno l 10 x 5 x l 5 l 30 l 10 Variable Slow Motion Unit During pause turn the ring clockwise and hold it to go to the SLOW PB mode The slow play speed is vari able in two steps depending on the turning angle Release the ring the shuttle ring returns to the center point and the un...

Page 59: ...G SW SW3 SHUTTLE RING SW SEC8 J3 J4 TEST D5003 SEG7 3 Shuttle control specifications 1 The FF and REW modes are continued with the ring at the center position 2 The search and slow play speeds are as follows VSF 1 NSR 1 VSF 2 NSR 2 SLOW l SLOW 2 PAL SP LP x 3 x 7 II30 l IO NTSC SP LP x 3 x 5 l 30 l 10 NTSC EP x 5 x l 5 I 30 l IO X The shuttle ring dose not click at the clockwise and counterclockwi...

Page 60: ...nued VSRl VSR2 Contihued PLAY Continued PLAY Continued VSR2 Continued VSFl VSF2 VSF2 VSFl VSF2 VSF2 VSFl VSF2 VSF2 5 Still mode Center point STILL VSRl Rl VSRl VSRl R2 VSRZ VSRl R3 VSRZ VSRl VSRl VSRl Continued VSRI VSRl VSRI Continued STILL Continued STILL Continued VSRl Continued W When the ring is released from the Fl or F2 point the unit back in the initial mode PLAY or STILL mode When it is t...

Page 61: ... moment short circuit between test jumpers 3 and 4 located on the timer PWB Be sure that all the fluorescent display tubes ljght up into the TEST mode 3 Using the CHANNEL and buttons select the right function numbers from among JPO JP31 which appear in the fluorescent display tube referring to the E2PROM map Press the DISPLAY button to pick up the functions ON and the CLEAR button to discard the f...

Page 62: ... SYSTEM 1 1 1 1 0 1 1 0 20 SYSTEM 0 1 1 0 1 1 1 1 19 Hi Fi 1 1 1 1 1 1 1 1 8 NICAM 1 1 0 0 1 0 1 1 7 G CODE1 0 0 0 0 0 0 0 1 6 G CODE0 1 1 0 0 0 0 0 1 5 0 oo 1 1 1 1 1 1 1 1 4 LP EP 1 1 1 1 1 1 1 T 13 NOP 0 0 0 0 0 0 0 I 12 SHUTTLE 1 1 1 1 1 1 1 M E 1 1 LINE2 1 1 0 0 1 1 0 R 10 CATV 0 0 0 0 0 0 0 9 fkAMI 1 0 0 0 1 0 0 8 TUNER0 0 0 0 0 0 0 o 7 DECODER 0 0 0 0 0 0 0 6 SYSTEM i 0 0 0 0 0 0 0 5 VCR1 0...

Page 63: ...VC M H80 VC MH90 8 BLOCK DIAGRAM SERVO PROCESS BLECK DIAGRAM I C mTL N FG acw pB w r _ ____________ _________ 4 _ _ __ _ _____________ _ _ ___ __ _ 1 I 2 I 3 I 4 I 5 I 6 I 67 ...

Page 64: ...10 VC MH80 10 VC M H90 8 L I 7 I 8 I 9 I 1 0 I 11 I 1 2 1 68 ...

Page 65: ...VC MH80 VC MH90 VC VC SIGNAL FLOW BLOCK DIAGRAM A c i YC JXOCESSOI 69 _ _ __ __ _I ll_ __ __ _ _ _ _ _ ...

Page 66: ...VC MH80 VC MH90 ti Playback Chrominance Signal DD Recording Chrominance Signal I Playback Luminance Signal H Recording Luminance Signal b E E Signal ...

Page 67: ...VC MH80 VC MH90 A 0 C 0 E F G II H AUDIO BLOCK DIAGRAM 1 I 2 I 3 I 4 I 5 I 6 I 71 II __ _ __ ___ _ _ _ _ _ _ I __ ...

Page 68: ...180 VC MH80 190 C MH90 c3 Playback Signal m Recording Signal b E E Signal 72 ...

Page 69: ...POWER CIRCUIT BLOCK DIAGRAM yi 2 __ i 1 I 1 VC MH80 VC M H90 73 V Vt _ _ ____ _ _ _ ____ i ...

Page 70: ...alues in parentheses are the ones in the PB mode the values without parentheses are the ones in the REC mode VOLTAGE MEASUREMENTCONDiTiONS 1 DC voltages are measured between points in dicated and chassis ground by VTVM with AC1 lo 24OV 50 6OHz supplied to unit and all controls are set to normal viewing picture un less otherwise noted 2 Voltages are measured with 1OOOOpV B 8 W or co oursignal WAVEF...

Page 71: ... VC MH90 9 CIRCUIT DIAGRAM AND PWB FOIL PAlTERN M A I N CIRCUIT I REC TIP SWITCH CIRCUIT OPWBF4949GEZZ r I I I I I I t 1 I 2 I 3 I 4 I 5 I 6 I JOLTAGE MEASUREMENT MODE PB REC Parentheses Without Parentheses 75 ...

Page 72: ...VC MH80 VC MH90 I 7 I 8 I 9 I 1 0 I 11 I 1 2 I 76 ...

Page 73: ...I I I I I I 1 I I ...

Page 74: ...VC MH80 VC MH90 78 ...

Page 75: ...VC MH80 VC MH90 MAIN CIRCUIT 2 VC MH90 L P A t T 0 C n D L E F G H 1 I 2 I 3 I 4 I 5 I 6 I VOLTAGE MEASUREMENT MODE P B _ Parentheses REC Without Parentheses _ 79 _ ...

Page 76: ...VC MH80 VC MH90 1 f I I I I 7 I 8 I 9 I 1 0 I 11 I 1 2 I 80 ...

Page 77: ...RB n f I JI 3 I i I I ...

Page 78: ...VC MH80 VC MH90 I II I I II __ _ i r I 7 I 8 I 9 I 10 I 11 I 1 2 1 5 82 ...

Page 79: ...I I 0 I n I m I 0 I 0 I m I b 1 L I III r ...

Page 80: ...10 IO VC M H80 VC MH90 r 8 a a4 ...

Page 81: ...VC MH80 vc I VC MH90 vc I MAIN CIRCUIT 5 1 2 I 3 I 4 I 5 I 6 I a5 ...

Page 82: ...VC MH80 VC MH90 T9D1 I RTRNZOO JZZ ww001E 90 801 RTRNPxJ13A Z tMHi7cm 9Dk31 7 70 hum I A D AT 46V POWER FIX AT 1 M GND GND AT 5 5 AT P5 F 0 F 0 4 I 7 I 8 I 9 I 10 I 11 I 12 I 86 _ _ ...

Page 83: ...VC MH80 VC MH90 HEAD AMP CIRCUIT r A U D I O H A I C 0 6 4 0 I c r 1 2SC2712Y 01 r I I I 1 I 2 I 3 I 4 I 5 I 6 I VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses a7 ...

Page 84: ...VC M H80 VC MH90 1362 1 u 404 I I RN I 404 7h RN1404 I 7 I a I 9 I 1 0 I 1 1 I 1 2 I ...

Page 85: ......

Page 86: ...VC MH80 VC MH90 I 7 I a I 9 I 1 0 I 11 I 1 2 I 90 _ _ ...

Page 87: ...VC MH80 VC MH90 OPERATION TIMER CIRCUIT VC MH90 1 I 2 I 3 I 4 I 5 I 6 I ...

Page 88: ...0 VC M H80 0 VC M H90 I I I I 7 I a I 9 I 1 0 I 11 I 1 2 I ...

Page 89: ...A B C D E F G t 4 VC MH80 VC MH90 vc Il vc Il OSD CIRCUIT IC590 I RH IX0845GEZZ op C59 I IOOP c591 OSD 16 01 i c 7 I 5905 I G RCR c5927 IVP miI 1 I 2 I 3 I 4 I 5 I 6 I 93 ____ _ _ _ _ ...

Page 90: ...VC MH80 VC MH90 05902 ZSC2712Y V I D E O 0 5 9 0 3 ZSAI l62Y BUFFER I 7 I a I 9 I 1 0 I 1 1 I 1 2 1 94 ...

Page 91: ...VC MH80 VC MH90 SECAM CHROMA CIRCUIT VC MH80 r a B C r L1 in F L G H 1 1 I 2 I 3 I 4 I 5 1 6 I VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses ...

Page 92: ...VC M H80 VC M H90 LL I I 7 I 8 I 9 I 10 I 11 I 12 I ...

Page 93: ... AZ M H80 vc VC MH90 vc MPX CIRCUIT VGMH90 I a B C D E tF G H c 1 I 2 I 3 I 4 I 5 I 6 I l VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses 97 ...

Page 94: ...r L i ...

Page 95: ... VC MHSO IF CIRCUIT cl k 01507 aB Ri 2SC2712Y A C VCO ADJ Tl501 0006 I GE Oi 2SC27 1 I 2 I 3 I 4 I 5 I 6 I V O L T A G E M E A S U R E M E N T M O D E PB Parentheses REC W i t h o u t P a r e n t h e s e s 99 ...

Page 96: ...30 VC MH80 30 VC MHSO VCO ADJ 1151 I SC27 I 2Y i R157I 01513 zEo 2SC27 I2Y 519 7P J l RI572 220 I 7 I 8 I 9 I 10 I 11 I 1 2 1 100 ...

Page 97: ...VC MH80 vc n VC MHSO vc n PWB FOIL PATTERN I M A I N P W B 2 I 3 I 4 I 5 I 6 I 101 ...

Page 98: ...VC MH80 VC MHSO 102 ...

Page 99: ...VC MH80 VC MH90 IF PWB OPERATION P REC TIP PWE U U TIF I 2 I 3 I 4 I 5 I 6 I 103 ...

Page 100: ...10 VC MH80 IO VC MH90 OPERATlON PWB SECAM OSD MPX PWB REC TIP PWB HEAD AMP PWB n TIMER PWB I 7 I 8 I 9 I 1 0 I 11 I 12 I 104 ...

Page 101: ...D ASSEMBLIES NOT REPLACEMENT ITEM DUNTK4949KE55 Main Unit VC MHBO DUNTK4949KE54 MainUnit VC MH90 DUNTK495OKE53 Timer Unit VC MH80 VC MH90 Ref No Part No t Description Code DUNTK4951 K E 5 2 Operaion Unit VC MH80 DUNTK4951 KE51 OperationUnit VC MH90 DUNTK4956KE53 OSD SECAM CUnit VC MH80 DUNTK4956KESO OSD MPXUnit VC MH90 DUNTK4957KE52 IFUnit VC MH80 DUNTK4957KE50 IFUnit VC MH90 DUNTK4958KE50 RECTipU...

Page 102: ... M AB AB M M AB AB AB AB AB AM AC AC AB AB M M AB AB AB M AB M AC M M AB AB AA AB M AB AB AB AB AB Ref No Part No t Description Code 46310 46311 46312 46313 46314 46315 96316 46317 46321 46327 Q9901 49902 49903 Q9904 Q9907 99908 49909 Q9910 Q9911 Q9912 49913 49914 Q9915 49916 49917 D530 D531 D540 D54l D542 D545 D701 D702 D703 D704 D705 D707 D708 D709 D710 D711 D712 D713 D714 0715 D716 D717 D718 D7...

Page 103: ...ystal 4 43MHz X502 RCRSB0188GEZZ J Crystal 3 58MHz x701 RCRSB0190GEZZ J Crystal lOMHz X702 RCRSB0138GEZZ J Crystal 32kHz AC AG AM AD VC MH80 VC MH90 Ref No Part No Description Code COILS AND TRANSFORMERS F L 2 0 1 RCiLF0269GEZZ J Coil VC MH80 F L 6 3 0 1 RCiLi0060GEZZ J IFCoil L201 VP XFl 51 KOOOO J 150pH L202 VP XFl SOKOOOO J 15pH L203 VP XF330KOOOO J 33vH L204 V P X F I ZOKOOOO J 12pH L205 VP XF...

Page 104: ...AOJW476M J 4 7 6 3V Electrolytic A8 VC MH80 c293 VCCCCYlHH330J J 33p 5 0 V C e r a m i c M VC MH80 c501 VCKYD4lCX332N J 33OOp16V C e r a m i c M c503 c504 c505 C506 c507 C508 c509 c510 c511 C512 c513 c514 c515 C516 c517 c519 C520 C521 C522 C523 C524 C525 C526 C526 C527 C528 c529 c530 c531 C532 c533 c535 c540 c550 C580 c590 c591 c592 c593 c594 C702 c703 c705 c707 C708 c709 c720 Part No Description ...

Page 105: ...Op5OV C e r a m i c M VCCCCYlHH470J J 47p 5 0 V C e r a m i c M VC M H80 VC MH90 Ref No Part No Description Code CAPACITORS Continued C769 VCKYCYI HF103Z J 0 01 50V Ceramic AA c770 VCFYSAlHB104J J 0 1 50V Mylar AB c771 VCEAEAOJW476M J 4 7 6 3V Electrolytic AB C772 VCFYSAl HBI 53J J 0 015 50V Mylar M c773 VCKYCYlHBlOZK J lOOOp5OV C e r a m i c M c774 VCKYCYlEF104Z J 0 1 2 5 V C e r a m i c M C776 V...

Page 106: ...VCEAEAlCW106M J 10 16V Electrolytic AB C6333 VCKYCYI HB681 K J 680 50V Ceramic AA C 6 3 3 4 VCEAEAlHW224M J 0 2 2 5 0 V Electrolytic AB C 6 3 3 5 VCKYCYlHB182K J 18OOp5OV C e r a m i c A A C 6 3 3 6 VCKYCYlEBl03K J 0 01 2 5 V C e r a m i c A A C 6 3 3 7 VCFYSAlHB473JJ 0 047 50V Mylar M C 6 3 3 8 VCKYCYlEB103K J 0 0 1 2 5 V C e r a m i c M C 6 3 3 9 VCFYSAlHB183JJ 0 018 50V Mylar M C6340 VCKYCYIHBZ...

Page 107: ...etalOxideAA VC MH80 R292 V R S C Y 1 J F 6 8 1 J J 680 lII6W MetalOxideM VC MH80 R293 VRS CY 1 JF82 1 J J 820 1 16WMetalOxide A A VC MHBO R294 V R S C Y 1 JF681 J J 680 1 16W MetalOxide A A VC MHBO R295 V R S C Y 1 JFI 021 J Ik 1116WMetalOxide A A VC MHBO R296 R297 VRS CYlJF153J J 1 5 k 1116WMetalOxideAA R298 R501 R502 R5q5 R506 R507 R508 R510 R511 R513 R514 R515 R517 R520 R521 R522 R523 R540 R541...

Page 108: ...OxideM R771 VRD RA2BE103J J 10k l BW Carbon M R772 VRD RA2BE223J J 22k 1 8W C a r b o n AA R773 R775 R776 R777 R778 R779 R780 R781 R782 R784 R785 R786 R787 R788 R789 R790 R791 R792 R793 R794 R795 R796 R797 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R821 R822 R823 R824 R825 R826 R830 R831 R832 R833 R835 R838 R840 A R901 AR902 AR903 A R904 AR905 A R906 AR907 AR908 Part No Description RES...

Page 109: ...1 J J 3 3 0 1 16WMetalOxideM VC MH80 VC MH90 Ref No Part No Description RESISTORS Continued Code R 6 3 0 7 VRS CYlJF331J J 3 3 0 1 16WMetaIOxideM R 6 3 0 9 VRS CYlJF151J J 1 5 0 1 16WMetalOxideM R 6 3 1 1 VRS CYIJFI 5 3 J J 1 5 k 1 16WMetalOxideM R 6 3 1 2 V R S C Y I JF392J J 3 9k 1 16WMetalOxide M R 6 3 1 3 VRS CYlJF123J J 1 2 k 1 16WMetalOxideM R 6 3 1 4 VRS CYlJF393J J 3 9 k 1116WMetalOxideM R...

Page 110: ...S CYlJF473J J 4 7 k 1 16WMetalOxideM R 9 9 2 5 V R S C Y 1 JF392J J 3 9k 1116WMetalOxide M R 9 9 2 6 VRS CYIJFIOZJ J I k 1116WMetalOxideM R 9 9 3 0 V R S C Y 1 JF124J J 120k1 l6WMetalOxide M R9931 V R S C Y I J F I R O J J 1 l l 6W Metal Oxide M R 9 9 3 2 VRD RAZBE273J J 27k 1 8W C a r b o n M R 9 9 3 3 V R S C Y 1 JF47OJ J 47 1 16W MetalOxideM R 9 9 3 4 VRD RAZHD6R8J J 6 8 1 2W C a r b o n M R 9 ...

Page 111: ...2 1 8W Carbon VRD RAZBEIOZJ J I k 1 8W C a r b o n M M M M M M M M M M M AA M M M MISCELLANEOUS PARTS D G 5 0 0 1 VVKI lBMW5 1 J FluorescentDisplayTubeAW TPSOOI QPLGN0278GEZZ J TestPoint Zpin M 5001 RRMCU0050GEZZ J R CReceiver AL SC5001 QSOCNI 295GEZZ J Socket lZpin TA AC SC5002 QSOCN0794GEZZ J Socket 7pin TB AB S5002 QSW K0079GEZZ J Switch CH AB S5003 QSW K0079GEZZ J Switch CH AB MISCELLANEOUS PA...

Page 112: ...N1403 AA Ref No Part No Description Code DIODES D 1 6 0 1 RH EX0632GEZZJ ZenerDiode VC MHSO A A D1701 V H D 1 S S 1 1 9 1 J lSS119 VC MH90 AB D1720 VHDOF4076 1 J OF4076 VC MH90 A C D5301 RH EX0138GEZZ J ZenerDiode VC MH80 A A D 5 9 0 1 VHDlSS119 1 J lSS119 AB D 5 9 0 2 VHDlSS119 1 1 J lSS119 AB PACKAGEDCIRCUITS F L 5 3 0 2 RMPTD0257GEZZ J PackagedCircuit X1701 RCRSB0183GEZZ J Crystal 8 192MHz VC M...

Page 113: ... 16V Electrolytic AB VC MH90 Cl736 VCEAEAlHW474M J 0 47 50V Electrolytic AB VC MH90 C l 7 3 7 VCKYCYIHFIOSZ J 0 0 1 5 0 V C e r a m i c A A VC MH90 Ref No Part No t Description Code Cl 738 Cl 739 Cl740 Cl748 Cl 749 c5301 c5304 c5305 C5306 c5307 C5308 c5309 c5310 c5311 C5312 c5313 c5315 C5316 c5317 C5318 c5319 C5320 C5321 C5322 C5323 C5324 C5325 CAPACITORS Continued VCEAEAlCWl06M J 1 0 16V Electrol...

Page 114: ... 2 6 VCKYCYI EBl03K J 0 0 1 2 5 V C e r a m i c A A C5927 VCCCCYl HHI BOJ J 18p 5 0 V C e r a m i c M C 5 9 2 8 VCCCCYl HHI BOJ J 18p 5 0 V C e r a m i c A A C 5 9 2 9 VCCCCYlHH330J J 33p 5 0 V C e r a m i c M C5930 VCCCCYl H H 1 BOJ J 18p 5OV C e r a m i c M C5931 VCCCCYI H H LBOJ J 18p 5OV C e r a m i c M C 5 9 3 2 VCCCCYlHH330J J 33p 5 0 V C e r a m i c A A C 5 9 3 3 VCCCCYlHHlOlJJ 100 5 0 V C ...

Page 115: ...M V R S C Y 1 JF223J J 22k 1116WMetalOxideAA VRS CYlJFlOZJ J Ik l l 6W Metal Oxide AA V R S C Y 1 JF393J J 39k 1 16WMetalOxideAA V R S C Y 1 JFl 03J J IOk 1 16WMetalOxideAA V R S C Y 1 JFI 041 J lOOk1116W MetalOxideAA VRS CYlJFlOZJ J lk 1 16W M e t a l O x i d e A A VRD RAZBE182J J 1 8k l BW C a r b o n AA V R S C Y I JF822J J 8 2k 1 16W MetalOxideAA VRS CYlJF822J J 8 2k 1 16W M e t a l O x i d e ...

Page 116: ...M Cl 527 VCKYCYlHFl03ZJ O Oi 5 0 V C e r a m i c A A Cl 528 VCKYCYlCF683Z J 0 068 16V C e r a m i c M Cl 529 VCCCCYlHH390J J 3 9 p 5 0 V C e r a m i c A A Cl 530 VCE9EAlCW226M J 2 2 16V Elect N P A C Cl 531 VCCCCYlHH27OJ J 27p 50V C e r a m i c M Cl 535 VCKYCYlHFl03ZJ 0 0 1 5 0 V C e r a m i c A A Cl 537 VCCCCYlHHlOlJ J 100 50V C e r a m i c A A Cl 538 VCKYCYlHF103Z J 0 0 1 5 0 V C e r a m i c A A...

Page 117: ...lJF332J J 3 3k 1 16WMetalOxideAA V R S C Y 1 JF47OJ J 4 7 1 16W MetalOxideM VRS CYlJF680J J 6 8 1 16WMetalOxideAA VRS CYlJFlOZJ J lk 1116WMetalOxideAA VRS CYlJF561J J 5 6 0 106WMetalOxideAA VRS CYlJF271J J 2 7 0 ljl6WMetalOxideAA VRS CYlJF103J J 10k 1116WMetalOxideAA VRS CYlJF271J J 2 7 0 1 16WMetalOxideAA VRS CYl JF332J J 3 3k 1 16WMetalOxideM VRS CYl JF472J J 4 7k 1 16WMetalOxideM VRS CYlJF181J ...

Page 118: ...0 V C e r a m i c M C6415 VCKYCYlEF104Z J 0 1 2 5 V C e r a m i c M C6420 V C K Y C Y 1 HFI 032 J 0 01 50V Ceramic M C6421 VCKYCYlHFl03Z J 0 0 1 5 0 V C e r a m i c M C6422 VCKYCYlHF103Z J 0 0 1 5 0 V C e r a m i c M C6423 VCKYCYlHF103Z J 0 0 1 5 0 V C e r a m i c M CAPACITORS Continued RESISTORS R301 V R S C Y I JF681 J J 6 8 0 1 16WMetalOxideM R302 VRS CYl JF681 J J 6 8 0 1 16WMetalOxideM R303 V...

Page 119: ...GEZZ J WormGear AC NGERW1052GEZZ J WormWheelGear M NGERH1218GEZZ J ConnectGear AC LANGKOl61 GEZZ J Loading MotorAngle AD Ass y NBRGPOO23GEZZ J B e a r i n g AC MSLiP0006GEZZ J S i f t e r AF MLEVF0419GEZZ J SifterDriveLeverAss y A C NGERHl219GEZZ J Take UpLoadingGear A B MLEVFO42OGEZZ J Take UpLoadingArm A E Ass y NGERHl22OGEZZ J SupplyLoadingGear A C 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 6...

Page 120: ...B AA 200 201 206 LX XZ3030GEFDJ S e t s c r e w LX BZ3095GEFD J AudioKontrolHead Screw LX BZ3096GEFD J TiltAdjustingScrew XBPSD26P06000 J AzimuthAdjusting Screw 2 6P 6s XHPSD26P08WSO J Screw C2 6P 85 For FE Head XBPSD30P04JOO J Screw SW3P 4S For Loading Motor XHPSD26P06000 J Screw 2 6P 65 For Capstan Motor XHPSD26P06WSO J Screw C2 6P 6S For Loading Motor Angle Ass y XHPSD30P08WSO J Screw C3P 85 Fo...

Page 121: ...HBO 501 CPNLCl91 5GE02 J FrontPanelAss y BB VC MH90 501 l CDORF2209GEOl J DoorAss y AN VC MHIO 501 I CDORF22lOGEOl J DoorAss y AN VC MH90 501 l 2 HBDGB3019GESB J Badge SHARP AG 501 I 3 TLABH0534GEZZ J Tuning Label AB Sol l 4 TLABZ 1 143GEZZJ Feature Label AE VC MHBO 501 I 4 TLABZl 144GEZZ J FeatureLabel AE VC MH90 501 2 CBTN 2589GE02 J PowerlEjectButtonAss yAD 501 2 2 GCOVA1838GEZZ J PowerLEDCover...

Page 122: ...CbleA K Q C N W 7 5 8 1 G E Z Z J AVCable AM QPLGAOOl 1CEZZ J ACPlugAdaptor AF VC MH90 RRMCG0034AJSA V Infrared R C Unit BD 9 3 G N T 0 4 5 7 2 2 V Battery Cover Infrared AM WC Unit ACCESSORIES NOT REPLACEMENT ITEM TiNS 2417GEZZ OperationManual VC MHEO TiNS 2418GEZZ OperationManual VC MH90 End of Supplied Accessories 126 ...

Page 123: ...VC MH80 VC MH90 11 EXPLODED VIEWS MECHANISM CHASSIS PARTS I 1 I 2 I 3 I 4 I 5 I 6 1 127 ...

Page 124: ...VC MH80 VC MH90 CASSElTE HOUSING CONTROL PARTS 1 I 2 1 3 I 4 I 5 1 6 I 128 ...

Page 125: ...VC MH80 VC MH90 MECHANICAL PARTS I 1 I 2 I 3 I 4 I 5 I 6 1 ...

Page 126: ...sh it down wth a finger Keep the arsene over about 45 open and make sure that the cassette cover open lever IS between the front panel and the cas gene cover NOW fix the front panel I place Do not mount the front pan el with the assette cover tilt ed too open Otherwise the cassette cover might wrongly run on the cassette howng Removing the casette compartment cover 0 Open the cassette compartment ...

Page 127: ...ion Accessories TiNS 2417GEZZ Operation manual VC MH80 TiNS 2418GEZZ Operation manual VC MH90 QCNW 2702GEZZ 75 ohm coaxial cable QCNW 7581GEZZ AV Cable QPLGAOOllCEZZ AC Plug adaptor VC MH90 It CPAKF0142GEOl VC MH80 SAKA0141GEOl VC MH90 Polystyrene bag RRMCG0034AJSA Infrared remote control unit SPAKC2733GEZZ SPAKP0084GEZZ Polystyrene sack j SPAKX0917GEZZ Buffer material Not Replacement Items TLABK2...

Page 128: ...VC MH80 VC MH90 59802 S Printed in Japan ...