JVC TV-20F242, Service Manual

Page 1: ...Y OF JAPAN LTD TV 20F242 CONTENTS SPECIFICATIONS 2 OPERATING INSTRUCTIONS APPENDED SAFETY PRECAUTIONS 3 SPECIFIC SERVICE INSTRUCTIONS 4 SERVICE ADJUSTMENTS 18 GUIDE FOR REPAIRING 30 STANDARD CIRCUIT DIAGRAM APPENDED PARTS LIST 53 SERVICE MANUAL TV VCR COMBO ...

Page 2: ... Fi Sound 2 Tracks MONO Sound 1 Tracks Tape Speed SP 33 35mm sec EP 11 12mm sec F FWD REW Time Approx 1 minutes and 48 seconds T 120 Cassette Speed Search SP 3 5 X Normal Speed EP 9 15 X Normal Speed GENERAL Power Source AC 120V 60Hz Power Consumption 115 Watts Dimensions W 19 3 4 x D 19 x H 20 1 4 Weight 55 2 Ibs Inputs Outputs Video In RCA 1Vp p 75 ohm Out RCA 1Vp p 75 ohm Audio In RCA 300 mV 50...

Page 3: ... between the second anode lead and the CRT dag grounding device When servicing the High Voltage System remove static charges from it by connecting a 10k ohm resistor in series with an insulated wire such as a test probe between the picture tube dag and 2nd anode lead have AC line cord disconnected from AC supply The picture tube used in this receiver employs integral implosion protection Replace w...

Page 4: ...K Refer to Fig 1 3 1 2 3 4 Remove the 2 screws 1 Disconnect the following connectors CP401 CP502 CP4201 and CP4202 Unlock the support 2 Remove the TV VCR Block in the direction of arrow Fig 1 3 1 4 MAIN PCB Refer to Fig 1 4 1 2 3 4 5 6 Remove the screw 1 Remove the Main PCB Holder Remove the 2 screws 2 Remove the 3 screws 3 Disconnect the following connectors CP810 and CP820 Remove the Main PCB in...

Page 5: ...e Jack Plate in the direction of arrow B Jack Plate 1 Deck Holder Syscon PCB A 5 5 B 4 Fig 1 7 Remove the 2 screws 1 Remove the screw 2 Remove the Deck Shield Plate in the direction of arrow 2 2 3 1 Deck Shield Plate Fig 1 5 1 6 DECK CHASSIS Refer to Fig 1 6 1 2 3 Remove the 3 screws 1 Disconnect the following connectors CP1004 CP1005 CP1006 CP4001 CP4002 and CP4003 Remove the Deck Chassis in the ...

Page 6: ...ssis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm 2 2 FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 NOTE When you install the Cassette Side R be sure to move the Locker R after installing Cassette Side L Cassette Side R 1 1 1 Locker R 1 Fig 2 5 Move the Casset...

Page 7: ...2 and remove the Tension Band Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 1 2 1 Loading Motor Ass y Link Lever Main Chassis Screw Torque 5 0 5kgf cm Fig 2 7 2 8 SENSOR COVER L3 Refer to Fig 2 8 Unlock the support 1 and remove the Sensor Cover L3 1 Deck PCB BOT Link Ass y B Dumper Spring 3 3 1 2 2 Tension Adjust Tension...

Page 8: ... C Head Base Remove the 3 screws 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 13 B Refer to Fig 2 13 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 1 2 3 A C Head 2 2 A C Head Spring 1 3 1 2 2 A C Head Base Spring Position Fig...

Page 9: ...nit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam P5 Cam and Pinch Roller Cam Remove the Polyslider Washer 2 then remove the Joint Gear 1 2 3 Capstan DD Unit Capstan Belt 1 1 1 Fig 2 18 1 Clutch Ass y Ring Spring Coupling Gear Clutch Lever 2 2 2 15 AHC ASS Y...

Page 10: ...ading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Roller Fig 2 20 Loading Gear Holder Inclined T P4 Cover Guide Roller Inclined S 1 2 3 4 4 Guide Roller 2 20 INCLINED S T ASS Y Refer to Fig 2 20 Unlock the support 1 and remove the P4 Cover Remove the screw 2 Unlo...

Page 11: ... is discharged Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 3 1 Fig 3 2 3 After one side is removed pull in the opposite direction to remove the other NOTE INSTALLATION 1 Clean the spot where the cap was located with a small amou...

Page 12: ...erator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI SIF SO SOL SP STB...

Page 13: ...paration Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance ...

Page 14: ...g to the center position NOTE Also can be adjusted by pressing the ATR button for more than 2 seconds during PLAY VOL MIN 5 POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS CONFIRMATION OF USING HOURS Can be checked of the INITIAL DATA of MEMORY IC Refer to the NOTE FOR THE REPLACING OF MEMORY IC VOL MIN 6 VOL MIN 1 Init...

Page 15: ...ith the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS POWER ON total hours and PLAY REC total hours can be checked on the screen Total hours are displayed in 16 system of notation NOTE The confirmation of using hours will not be possible if clock has been set To reset clock either unplug AC cord and allow a...

Page 16: ...ull erase head in the same manner Refer to the figure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the...

Page 17: ...blink Again step through the DATA using SET or until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input Enter DATA SET mode by setting VOLUME to minimum While holding down VOLUM...

Page 18: ...nt Reel Disk Height Adjustment Playback Torque Back Tension Torque During Playback Short Jumper Used to connect the TP1001 and GROUND X JG162A X JG162F Used to connect the Syscon PCB and Main PCB X JG162Y Used to connect the Syscon PCB and CRT PCB For 4 heads model VHS Alignment Tape MHP Torque Gauge PTU94002 Roller Driver X JG153 X Value Adjustment Screwdriver Master Plane Reel Disk Height Adjust...

Page 19: ...the cable X JG162A and X JG162F Connect the Syscon PCB to the CRT PCB with the cable X JG162Y Remove the Operation PCB from the set then connect it with the Syscon PCB If necessary connect CP4202 Front A V Jack Input Terminal Short circuit between TP1001 and Ground with the Short Jumper The EOT BOT and Reel Sensor do not work at this moment At that time the STOP EJECT button is available to insert...

Page 20: ...ometer Video Tape Guide Roller P1 Post Fig 1 3 CONFIRMATION AND ADJUSTMENT OF REEL DISK HEIGHT 1 1 1 2 3 4 Turn on the power and set to the STOP mode Set the master plane and reel disk height adjustment jig on the mechanism framework taking care not to scratch the drum as shown in Fig 1 1 A Confirm that A of the reel disk is lower than B of the reel disk height adjustment jig and is higher than C ...

Page 21: ...on the remote control more than 2 seconds to set tracking to center Trigger with SW Pulse and observe the envelope Refer to Fig 2 1 A When observing the envelope adjust the Roller Driver PTU94002 slightly until the envelope will be flat Even if you press the Tracking Button adjust so that flatness is not moved so much Adjust so that the A B ratio is better than 3 2 as shown in Fig 2 1 B even if yo...

Page 22: ...ope waveform output becomes maximum 1 2 3 4 5 6 7 8 When the reflected picture is distorted turn the screw 1 clockwise until the distortion is disappeared When the reflected picture is not distorted turn the screw 1 counterclockwise until little distortion is appeared then adjust the a When the height is not correct turn the screw 3 to adjust the height Then adjust the 1 3 again Reflected picture ...

Page 23: ...ISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Brake Spring T Reel S Reel ...

Page 24: ...display of Fig 1 1 and press the channel button 03 on the remote control to select VIF VCO Press the VOL UP DOWN button on the remote control until the digital voltmeter is 2 5V Use an isolation transformer when performing any service on this chassis Before removing the anode cap discharge electricity because it contains high voltage When removing a PCB or related component after unfastening or ch...

Page 25: ...AL SIZE NOTE Adjust after performing adjustments in section 2 10 1 2 Receive the monoscope pattern Adjust the VR401 until the SHIFT quantity of the OVER SCAN on right and left becomes 10 2 2 12 VERTICAL SIZE NOTE Adjust after performing adjustments in section 2 11 1 2 3 4 5 Receive the cross hatch signal from the Pattern Generator Using the remote control set the brightness and contrast to normal ...

Page 26: ...e VOL UP DOWN button on the remote control until the contrast step No becomes 89 Fig 2 4 A 2 17 SUB COLOR 1 2 3 4 5 6 7 8 Receive the color bar pattern RF Input Using the remote control set the brightness contrast color and tint to normal position Connect the synchro scope to TP804 Activate the adjustment mode display of Fig 1 1 and press the channel button 15 on the remote control to select COLOR...

Page 27: ...27 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION SYSCON PCB TU601 TP4001 TP1001 TP1002 CP602 TP4201 J4202 J4201 VR6001 ...

Page 28: ...28 TV SECTION FOCUS VOLUME SCREEN VOLUME TP806 J801 FB401 VR401 VR402 T501 MAIN PCB CRT PCB VR502 FH503 TP804 ...

Page 29: ...djustments in section 4 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue colors Adjust the slant of t...

Page 30: ...ignal to control the rotation direction of the loading motor 21 LDM FWD O 22 DEGAUSS H O Degauss control output 23 MSSENS CTL O MSSEN sensor LED 24 SP H O Output HIGH at tape speed SP 25 IIC OFF I When input L the I2CBUS communication is stopped 26 EXT MUTE O Mute signal of external video mute 27 VCR POWER O VCR power output 28 TV POWER O TV power output 29 T REC LED O T REC indication LED output ...

Page 31: ... 77 DRUM PWM O PWM output of Cylinder control 78 PLAY LED O PLAY indication LED output 79 REEL S I Input terminal of reel sensor supply 80 REEL T I Input terminal of reel sensor take up 81 VCR MUTE O Mute signal of audio mute VCR 82 TV MUTE O Mute signal of audio mute TV 83 SP L LP M EP H O Output terminal for tape speed control at playback and recording 84 CA MA SEL O Not used 85 POWER FAIL I Inp...

Page 32: ...TATING MECHANICAL MOVEMENT NO CAPSTAN ROTATING R SLOW LIGHT GUARD LIGHT RECEIVING EOT BOT MSSEN A MSSEN B LOADING ARM PINCH ROLLER LIGHT RECEIVING LIGHT GUARD LIGHT RECEIVING LIGHT GUARD LIGHT GUARD L T BRAKE S BRAKE TENSION TAPE IN STP FF FWD POWER OFF FF REW STP HEAD CLEANING CLUTCH DIRECT CONNECTION CASSETTE DOWN FWD WHEN MSSEN A IS CHANGED FROM LIGHT GUARD TO LIGHT RECEIVING CASSETTE IN WILL B...

Page 33: ...SERVO TIMING CHART DFG 89 PIN DPG 90 PIN V SYNC TRICK PB 13 PIN V SYNC E E 59 PIN H SW P 18 PIN REC CTL REC 97 PIN SYSCON PCB IC1001 OEC7043C WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED CH 2 CH 1 24 Cycle ...

Page 34: ...C1001 and the peripheral circuit YES Investigate F502 and the peripheral circuit YES Investigate Q512 Q513 and the peripheral circuit It dose not enter the power suppiy 2 NO CP810 is it insert CP810 is insert NO NO Investigate the F501 C507 R501 and the peripheral circuit YES YES Investigate the IC501 and the peripheral circuit Does F501 get broken Voltage of C507 is there about 170V Exchange F501...

Page 35: ...ange the IC601 YES Investigate IC601 and the peripheral circuit No sound No picture Investigate 2nd 19th pin of IC301 and the peripheral circuit Are the adjustment of the brightness and contrast standard The voltage of CD355 and CD356 do change with the volume key The 1st pin of IC352 does it exist DC7 1V The 2nd pin of IC352 does it exist DC3 5V The 55th pin of IC601 does it exist DC9V Is the wav...

Page 36: ...lor Receive signal of the color Are the adjustment of the color standard Color is adjust pin of IC601 normal Investigate the X602 and the peripheral circuit Investigate the IC601 and the peripheral circuit Is the waveform of the 36th Is it receive the sgnal of ...

Page 37: ... normal Investigate the circuit of IC601 from IC1001 The 6th pin of IC401 does it exist DC25V Investigate the IC601 and the peripheral circuit Investigate IC401 CP401 and the peripheral circuit Investigate IC1001 and the peripheral circuit YES Investigate IC601 and the peripheral circuit Is the waveform of the 1st pin of IC401 normal The wave form of the 14th pin 15th pin and 16th pin of IC601 nor...

Page 38: ...eleased approximately 3 seconds later Investigate a tape roading roading belt mode sensor DD motor and cylinder motor Is the playback released approximately 6 seconds later Investigate a reel sensor and reel belt Is the playback released intermittently Investigate reel sensor IC1001 looseness of a reel belt ...

Page 39: ...001 88th 91st pin or not When playback a screen doesn t appear Investigate a connection of IC4001 and cylinder NO YES Whether there is a video signal for IC4001 35th pin or not Exchange IC4001 Investigate Q4007 and the peripheral circuit NO YES Whether does FM envelope appear for TP4001 or not When playback a color doesn t adhere to it Investigate CP4001 and the peripheral circuit NO YES Whether d...

Page 40: ... waveform of IC4001 35th pin is 2V and doesn t a noise appear again Exchange IC4001 Exchange IC701 There is FM signal for IC4001 88th 89th pin NO YES NO YES YES NO No color during self recording and playback Whether there is a video signal for IC4001 35th pin or not Investigate J4201 J701 and a video input circuit FRONT and REAR VIDEO IN Whether there is CHROMA signal for IC4001 72th pin or not In...

Page 41: ... or not Whether there is an audio signal for IC5501 57 53rd pin or not Exchange IC5501 Investigate a peripheral circuit of J4201 Investigates wound whether a connector with an audio head is complete and inserted into CP4005 to investigate whether there isn t becoming dirty or not or not for an audio head to investigate a circuit of IC4001 5 7th pin When playback a sound doesn t appear Investigate ...

Page 42: ...Investigate a power supply circuit Exchange IC1001 Whether do you exchange DD motor in case that DD motor doesn t rotate or not When playback whether is voltage of IC1001 4th pin 2 5V or not Investigate IC1001 76th 65th pin and the peripheral circuit When playback whether is voltage of IC1001 12th pin 5V or not ...

Page 43: ...C4001 80th pin or not Investigate IC5501 and the peripheral circuit Whether there is an audio signal for IC4001 97th pin or not Investigate IC4001 and the peripheral circuit Whether there is a signal for IC4001 98th pin or not Investigate IC4001 and the peripheral circuit NO Whether there is a signal for IC4001 106t h pin or not Exchange IC4001 Investigate a lead line and connector of A C head ...

Page 44: ...te with the remote control YES NO YES YES NO Recording mechanism works but no video recorded from input jack or tuner Investigate video input jack and IC4001 tuner and IC4001 circuit Whether there is FM signal for IC4001 90th pin or not Exchange IC4001 Investigate a cylinder unit Investigate IC1001 61th pin and the peripheral circuit Whether there is a audio signal for IC4001 76 78 80th pin or not...

Page 45: ... circuit Whether is a video signal and audio signal IC601 53 and 57th pin or not YES Investigate Q601 and Q607 NO NO YES YES Cylinder not rotating during playback and recording Investigate UNREG 12V line of a MAIN PCB When playback is a voltage of 5th pin of CP1005 DC 1 2V approximately Exchange a cylinder motor Whether is a voltage of CP1005 2nd pin DC 12V approximately or not Exchange IC1001 ...

Page 46: ... an audio head Whether is an input level of IC1001 87th pin a sine wave of 2 5Vp p or not Exchange capstan DD unit Exchange IC1001 Investigate a audio block When playback is a tension of 3rd pin of CP1004 DC 2 2V approximately When playback is a tension of 65th pin of IC1001 square wave of 5Vp p ...

Page 47: ...s a tension of 3 4th pin of IC1001 0V Around a cassette insertion is a voltage for 3 4th pin of CP1006 9V Exchange roading motor Around a cassette insertion is a voltage of 21st pin of IC 1001 5V Whether does 12MHz clock oscillate or not NO NO Investigate a circuit of roading motor Exchange IC1001 Exchange X1001 Investigate IC1001 to investigate LED and photosensor of a MAIN PCB and the peripheral...

Page 48: ...ection position of a front roading gear correct or not Investigate IC1001 Investigate a front roading gear NO NO NO If you cover an infrared rays sensor 3rd of IC1001 is a tension of 4th pin 0V YES YES FF REW do not work When pushing FF REW button does the voltage of 76th pin of IC1001 change Exchange IC1001 Investigate IC1001 72nd pin Investigate Q1001 and the peripheral circuit Investigate deck ...

Page 49: ...circuit When playback it takes 1 3V for 5th pin of CP1005 Exchange a cylinder unit Investigate R1053 andR1028 Whether does a head switching pulse appear for TP1002 or not 30 Hz Whether is PG pulse signal inputed by IC1001 90th pin or not Exchange IC1001 Whether is a reel sensor pulse signal by IC1001 79th pin and 80th pin or not Investigate a reel sensor Whether does DC 5V pulse depends on IC1001 ...

Page 50: ...not Adjust PG SHIFTER Investigate a circuit of PB Y When playback a picture vertically finely shakes For tracking UP DOWN make does a noise of a screen get with no NO Auto tracking doesn t work Whether does DC level of IC4001 93rd pin change with manual tracking or not Investigate IC4001 IC1001and cylinder unit Whether is VIDEO SYNC in IC1001 97th pin or not YES YES NO Exchange IC1001 Investigate ...

Page 51: ...ES YES YES It refers to a clause of Capstan DD motor doesn t rotate Exchange capstan belt Whether there is a reel sensor pulse signal for IC1001 79th pin or not Investigate Q1001 and R1006 Whether there is a reel sensor pulse signal for IC1001 80th pin or not Investigate Q1005 and R1019 Exchange IC1001 Whether does capstan belt normal or not ...

Page 52: ...1005 5th pin NO Exchange IC1001 Exchange a cylinder motor Whether is FG output level of CP1005 3rd pin approximately 4 5Vp p or not Exchange a cylinder motor When playback a picture horizontally shakes When playback a picture shakes YES YES NO When playback is it 3 8V as hanging a load for an approximately 2 2V or cylinders voltage of 5th pin of CP1005 Exchange a cylinder motor Exchange IC1001 ...

Page 53: ...loscope etc the LIVE side GND and ISOLATED NEUTRAL side GND at the same time If the above precaution is not respected a fuse or any parts will be broken Since the circuit diagram is a standard one the circuit and circuit constants may be subject to change for improvement without any notice CONTENTS SEMICONDUCTOR BASE CONNECTIONS 2 BLOCK DIAGRAMS 3 TV BLOCK DIAGRAM Y C AUDIO HEAD AMP IN OUT BLOCK D...

Page 54: ...I BA6955N M61203CFP KIA7809API OEC7043C KIA7809PI STR G6624 TLP621 GR LA71067SM MPB AN7522 TC90A45F LA78040 TRANSISTOR 2SA1015Y TPE2 2SC1740SP R S TP 2SD1667 R S 2SC2621 D E RAC 2SA1037AKT146R S SG 276 2SA1318 S T AA DTC114TSTP 2SA1037KT147 R S 2SA1371 D E AE 2SC2412KT146 R S 2SA1624 AA 2SB892 S T AE 2SC13840W 2SC1815Y TPE2 2SC2120Y TPE2 2SC2909 S T AA 2SC3000 AA 2SC3331 S T U A 2SC945 C T P Q 2SD...

Page 55: ...CO RF AGC VIDEO DET AFT VIDEO MUTE DEFEAT AFT OUT CLAMP VIDEO TONE DELAY 55 5 7Vreg 41 RESET 42 33 39 46 13 POWER ON CONTROL RGB MATRIX CONTRAST HPF ACC KILLER DET ACC DET CHROMA APC DET DEMODULATOR VCXO VCO ADJ 32 HV BLK VERTICAL COUNT DOWN V RAMP 29 17 HORIZONTAL COUNT DOWN H VCO AFC 2 AFC 1 7 6 R G B CUT OFF BUS I F TU601 11 5 4 1 SAW FILTER CF601 1 5 4 MONITOR_V TU1_AUDIO_A TU1_VIDEO SDA SCL H...

Page 56: ...AMP Main CONV 3 58M BPF2 AUTO BIAS P R KIL B D PB AMP 3 58M BPF1 DOUBLE LIM FM DEM SUB LPF V I CONV P R Y LPF YNR COMB N L DEEM NC1 Y C MIX SYNC SEP VCA CLAMP 1 2 FBC Chara INS 6dB P R P R V AGC T4001 CLAMP EQ AMP LINE AMP MUTE ALC SP LP EP H INPUT_SEL TRICK_PB H EE H DOC_XO_CTL REC EE PB C ROTARY H SW VCR_A_MUTE V REC_ST H ENV DET DUMMY_V SYNC SD_VIDEO FRONT_VIDEO_IN TU1_VIDEO NORMAL_A Y C_AUDIO ...

Page 57: ..._VIDEO CTL V REC_ST_H VD OSD_G AFT_M OSD_B OSD_BLK HD Y C AUDIO HEAD AMP IN OUT TV CAPSTAN DD UNIT MICRO MOTOR TV_POWER_H FF REW L 97 73 CTL AMP OUT Q1004 FF REW_SW 18 VIDEO H SW H SW VCR_POWER_H TV Q4204 TV POWER LED SW 82 TV_A_MUTE TV_A_MUTE 23 2 1 SENS LED MSSEN B MSSEN A 1 4 3 2 1 4 3 2 Q1002 SENSOR SW MS_SEN A Q1009 MS_SEN B Q1003 AT 5V P CON 5V 68 CENTER LED Q1024 LED DRIVER P CON 5V EOT Q10...

Page 58: ...1_AUDIO_A VCR_A_MUTE V REC_ST_H HIFI_ENV SCL SDA ST_SELECT REAR_VIDEO_IN FRONT_VIDEO_IN HF1 HF_COM FSC HF2 Y C_AUDIO NORMAL_A Y C AUDIO H AMP IN OUT MICON OPERATION DECK Y C AUDIO H AMP IN OUT 51 58 40 P CON 9V P CON 5V INPUT SW AMP AMP OUTPUT SW PNR BPF FM LIM DEM BLOCK AMP AMP AGC LOGIC VCO FO ADJ LOGIC TV 2 4 6 7 1 3 5 J701 25 J4201 3 2 6 4 J4202 3 2 AUDIO_OUT_R AUDIO_OUT_L ...

Page 59: ...ON SENSOR GND 1 2 3 Vout B VMX188 PCB010 SYSCON PCB TEXA17 OPERATION PCB PCB030 CD751 POWER ON L CS REC LED PLAY LED OTPB LED AT 5V REMOCON OUT GND KEY A T REC LED REC LED KEY B ON TIMER LED CP4201 SP OUT L SOUND L DECK MECHA ASS Y MR FG SENSOR G O VCC ROTOR MAGNET COIL MAIN SENSOR HALL LOGIC SWITCH OUT IN HALL VCC HALL M2001 CAPSTAN DD UNIT FG VCO VCC 5V CAP M F R CTL I LIMIT MOTOR GND GND CP4002...

Page 60: ...R631 6 8K R659 2 2K R658 2 2K R660 2 2K C610 2 2 50V KA C635 47 16V KA C641 220 25V YK C624 47 16V KA C668_1 22 50V KA C649 1 50V KA C645 1 50V KA C612 220 6 3V YK C632 2 2 50V KA C620 47 6 3V KA C601 1 50V KA C655 47 16V KA C659 47 16V KA W813 W825 W809 W876 W949 W804 W956 W937 R6015 W955 W938 R6036 L615 100uH 0607 L616 100uH 0607 L610 100uH 0607 L608 100uH L603 100uH D615 MTZJ6 8B D602 MTZJ8 2C ...

Page 61: ... 9 T4001 1626007 1 2 3 4 5 6 CP4002 IMSA 9604S 06Z14 1 2 3 4 5 6 Q4003 DTA124ES SW DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION DIGITAL TRANSISTOR B4004 BL01RN1 A63 W216 B4005 BL01RN1 A63 W163 B4002 BL02RN1 R62 B4003 BL01RN1 A63 W158 S819X S810Y S8...

Page 62: ...S OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME B1001 BL02RN1 R62 S819Y TUNER VIDEO SIGNAL GND AT 5V UCON SDA SCL AT 5V BACKUP OSD_R OSD_G OSD_B CAP_CTL REEL_T REEL_S V SYNC OSD_BLK CYL_DRIVE DOC_XO_CTL REC EE PB P CON 5V V REC_ST_H POWER_FAIL DC TRICK_PB H EE H AT 12V MOTOR_GND H SW DOC_XO_CTL REC EE PB SD_VIDEO SP LP EP H V SYNC TRICK_PB H...

Page 63: ... D4203 MTZJ6 8B D4201 MTZJ5 6B D4206 MTZJ13B TP4201 V OUT DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME AUDIO SIGNAL REC TUNER VIDEO SIGNAL SP_OUT_R SOUND_R SP_OUT_L SOUND_L SOUND_GND FRONT_AUDIO_IN_R FRONT_AUDIO_IN_L FRONT_VIDEO_IN AT 5V UCON ON_TIM_LED RE...

Page 64: ...CH C306 0 47 B C304 0 022 B C302 0 033 B C319 100P CH C317 0 1 MMTS C303 0 033 B R313 390 R359 47K R353 68K R350 100K 1 4W R316 2 7K R304 4 7K R305 4 7K R302 3 3K R310 220 1 4W R309 220 1 4W R308 3 3K R317 100 R306 1 8K R303 2 7K R311 100K R318 100 R307 1 8K C314 2 2 50V KA C350 0 1 50V KA C352 33 16V KA C315 47 16V YK C351 1 50V KA C309 47 16V YK W826 W903 W840 W874 W873 L302 100uH 0607 L301 100u...

Page 65: ...FI ENV TP5502 HIFI_H SW DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME AUDIO SIGNAL REC AUDIO SIGNAL PB FSC SDA SCL P CON 5V P CON 5V TU2_AUDIO VCR_A_MUTE FRONT_AUDIO_IN_R FRONT_AUDIO_IN_L REAR_AUDIO_IN_R REAR_AUDIO_IN_L AUDIO_OUT_R AUDIO_OUT_L AUDIO_OUT_L A...

Page 66: ...CON SW R667 1K R669 820 1 4W R4080 100 R662 100 R644 100 1 4W R505 100 R668 100 1 4W R663 100 C4080_1 22 50V MHE C643 22 16V KA C652_1 1 50V MHE C642 22 16V KA C680_1 470 6 3V YK OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME P CON 8V P CON 5V CHROMA P CON 5V TU1 P CON 5V AT 5V UCON GND AT 5V BACKUP 8 7VREF AT 5V BACKUP AT 5V UCON AT 12V 5 7V...

Page 67: ...6 TLP621 GR FEED BACK 1 2 3 4 CAUTION DIGITAL TRANSISTOR IC502 STR G6624 POWER REG 1 2 3 4 5 HS502 763WAA0125 R512_1 10K 2W R542 0 13 1W R528 22K 3W R501 2 2 7W CP502 TV 50P 02 A1 1 2 F501 6 3A125V 51MS F502 2 5A125V 51MS FH501 EYF 52BC FH502 EYF 52BC FH503 EYF 52BC FH504 EYF 52BC RY501 SDT S 112LMR 1 2 3 4 2 1 L503 8R200024 DEGAUSS COIL CP501 THL P03P B1 1 2 L501_1 SS24V 15045 1 2 3 4 R529 2 7K 1...

Page 68: ...5KV MPP C428 0 012 1 25KV MPP C418 22 160V MHE C421 1000 35V MHE C433 22 100V MHE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES R...

Page 69: ... 01 B C911 0 01 B C909 180P CH C910 0 01 B C908 100P CH C913 0 01 B C905 0 01 B C902 0 01 B C901 0 01 B C919 56P CH C923 220P CH R915 470 R909 100 R907 33K R913 2 2K R908 820 R906 1K R912 6 8K R914 820 R911 3 3K R910 1K R902 1K R904 470 R905 120 C903 0 47 50V KA C907 330 6 3V YK W931 W920 L901 820uH 0607 L903 15uH 0305 L902 150uH CY901 IMSA 9130S 06L 1 2 3 4 5 6 OF PRINTING AND SUBJECT TO CHANGE W...

Page 70: ...805 56 1 4W R831 1 2M 1 2W C809 0 0022 500V B C808_1 0 001 2KV BP C804 560P B C805 390P B C806 680P B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURIT...

Page 71: ... SP351 P 300S 2 8OHM SPEAKER SP352 P 300S 2 8OHM THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL NOTE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DA...

Page 72: ...N DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP101 52044 0445 1 2 3 4 Q101 RPT 38PB113 BOT SENSOR S105 S106 S103 S104 S101 S102 DECK SCHEMATIC DIAGRAM CP100...

Page 73: ...1 R428_1 R433 R431_1 R416 R413 R411 R810 R813 R817 R819 R812 R814 R811 R815 R821 R412_1 R429_1 R459 R458 R454 R532 R533 R552 R513_1 R523 R514_1 R521 R515 R506 R508 R507 R518 R520 R519 R516_1 R553 R444 R443 R421 R419 R417 R418 R831 R829 R828 R830 R423 R453 R442 R441 R439 R432 R434 R435 R456 R460 R503 R502 R554 R529 C804 C805 C806 C505 R401_1 R511 R504 C520 C528 C522_1 C430 C529 C514 C537 C401 C406 ...

Page 74: ... 1 C5540 C5541 C5524 C5554 C5553 C5544 C5543 C5545 C5546 C5551 C5542 R5510 C5530 C5515 C5506 C5507 C5508 R5503 C5514 C5502 C5519 R5519 R5504 C5513 R5502 C5556 R4071 R4014 C4072 R4078 C4049 R4048 R4049 C4047 Q4007 Q4008 R4051 R4055 C4053 R4057 C4052 R4063 R4060 Q4009 R4065 C4048 R4050 C4044 C4036 C4050 C4032 R4044 C4029 C4028 R4033 C4065 R4029 R4019 C4066 C4041 C4038 R4047 C4027 R4034 R4032 C4025 R...

Page 75: ...7 L4009 D4004 L4002 C4010 C4008 R4052 C4024 L4003 L4007 C4062 C4007 C4058 C4043 C4035 C4034 L4005 L4004 C4016 C4017 C4015 C4033 C4070 C4039 C4037 C4030 C4031 C4023 C4011 T4001 Q4006 Q4001 Q4002 Q4003 Q4005 W160 W830 W831 L4010 W159 W086 C4059 C4060 C4061 C4057 W085 D4003 W169 W211 C4022 R5501 W156 R5507 W843 W099 C5516 C5552 W155 W896 TP4001 D5501 W244 W202 W200 W198 W075 W073 W090 W125 W117 W121 ...

Page 76: ...W812 R702 S102 S101 S105 S106 S103 S104 CP101 Q101 D793 D791 D794 CD702 CD356 R778 C751 C755 R766 R772 R777 R776 R775 R773 R774 R754 R793 R794 SW796 SW797 SW798 SW799 SW795 SW793 SW792 SW794 SW791 R351 R352 C352 C353 SW751 C781 W809 W806 CD757_1 OS753 W011 W012 W013 W014 W015 W016 W008 C779 W001 W807 W007 W006 W003 R771 W009 CD704 W002 W004 W020 W021 ...

Page 77: ...OWER CRT MICON The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE REC PB 2V 20 s div PB 1V 2ms div REC PB 1V 10ms div REC PB 1V 50ns div REC PB 1V 10ms div REC PB 1V 0 5ms div 16 18 19 21 22 23 REC PB 1V 5ms div 17 24 25 26 27 29 REC PB 200mV 20ns div REC PB 0 5V 20 s div 200mV 20 s div 200mV 20 s div 200mV 20ms div 34 200mV 2ms div...

Page 78: ...TV 20F242 TV 20F242 No 51768 No 51768 2 49 2 50 35 200mV 2ms div The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE ...

Page 79: ... ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPROPYLENE CAPACITOR CONTENTS USING P W BOARD 55 MECHANICAL REPLACEMENT PARTS LIST 56 MECHANICAL EXPLODED VIEW 57 CHASSIS REPLACEMENT PARTS LIST 59 CHASSIS EXPLODED VIEW TOP VIEW 60 CHASSIS EXPLODED VIEW BOTTOM VIEW 61 ELECTRICAL ...

Page 80: ...130B04 SCREW WASHER A M3x20 113 X 8990TPA002 COATING CLIP 214 X 810A130604 SCREW WASHER A M3x6 114 X 761WPA0145 HOLDER FBT 115 X 763WAA0159 HEAT SINK 116 X 763WAA0158 HEAT SINK 117 X 763WAE0118 HEAT SINK 119 X 712WPJ0721 FLAP 120 X 713WPA0129 GUIDE REMOCON 121 X 713WPA0137 GLASS LED 122 X 7230007181 SHEET INDICATER 123 X 702WPA0750 CABINET BACK 124 X 800WQ00066 FELT SHEET 125 X 752WSAA026 PLATE DE...

Page 81: ...07 207 213 206 214 134 FB401 206 206 214 127 207 115 116 116 117 127 207 205 203 149 201 201 201 201 201 201 123 124 124 128 SP352 202 SP351 202 202 101 130 202 118 105 119 120 121 122 136 139 140 141 144 145 146 147 133 142 143 PCB030 OPERATION PCB PCB250 AV PCB B 138 137 102 MECHANICAL EXPLODED VIEW 1 2 138 ...

Page 82: ...56 203 203 203 A 205 126 209 205 210 211 127 125 106 B PCB010 SYSCON PCB 201 148 208 201 109 202 110 111 207 112 206 103 104 107 108 113 113 TU601 PCB300 COMB PCB 135 211 MECHANICAL EXPLODED VIEW 2 2 ...

Page 83: ...032 CAPSTAN DD UNIT F2QSB06 321 X 85OA600196 BRAKE T ASSY S M2003 X 1589V11007 MICRO MOTOR EP14BD 322 X 85OA600191 CAP BRAKE ASS Y S PCB550 X A4C831B550 DECK PCB ASS Y VE8851 323 X 85OA900213 LINK ASS Y Q101 X 0000700320 TRANSISTOR PHOTO RPT 38PB113 324 X 85OA900216 LINK LEVER ASS Y UN4001 X A57201B500 CYLINDER UNIT ASSY A57201B500 325 X 85OP200284 LEVER CLUTCH S 326 X 85OP200285 ACTUATOR CLUTCH 3...

Page 84: ...721 AC FL OIL No 6115 BA OIL 515 360 321 348 507 H5001 506 305 304 301 347 316 313 508 315 338 512 310 361 359 368 357 366 306 366 358 365 351 363 323 324 362 353 320 335 319 349 318 336 328 512 314 508 313 502 H5002 511 509 329 330 502 502 PCB550 DECK PCB ASS Y 303 AA AD AA AA AA AA AA AA AA AA AA AA AA AA BA AA 352 503 503 367 501 356 317 369 309 355 505 334 AA UN4001 M2003 510 M101 364 CHASSIS ...

Page 85: ...n Check if the correct grease or oil is applied for each position PART NO CLASS MARK GREASE G 555G AA G 488M AB FL 721 AC FL OIL No 6115 BA OIL MG 33 AD AA 302 M2001 511 340 514 341 343 511 503 345 339 342 504 332 346 311 333 346 312 331 514 344 AA AA AA AA AA AA AA AA AA AA AA AA 307 354 326 327 322 513 350 308 337 AA 325 AA AA AA ...

Page 86: ...N8471J RC 470 OHM 1 8W R431 X R002T4332J RC 3 3K OHM 1 4W R624 X R903N8202J RC 2K OHM 1 8W R432 X R002T2222J RC 2 2K OHM 1 2W R625 X R903N8103J RC 10K OHM 1 8W R433 X R002T4272J RC 2 7K OHM 1 4W R626 X R903N8103J RC 10K OHM 1 8W R434 X R002T2152J RC 1 5K OHM 1 2W R627 X R002T4103J RC 10K OHM 1 4W R435 X R002T2821J RC 820 OHM 1 2W R628 X R903N8682J RC 6 8K OHM 1 8W R436 X R65582120J R FUSE 12 OHM 1...

Page 87: ...R829 X R002T4272J RC 2 7K OHM 1 4W R4012 R903N8183J RC 18K OHM 1 8W R830 X R002T4272J RC 2 7K OHM 1 4W R4013 R903N8183J RC 18K OHM 1 8W R831 X R002T2125J RC 1 2M OHM 1 2W R4014 R801R7182J RC 1 8K OHM 1 10W R902 X R801R7102J RC 1K OHM 1 10W R4015 R002T42R2J RC 2 2 OHM 1 4W R904 X R801R7471J RC 470 OHM 1 10W R4019 R903N8823J RC 82K OHM 1 8W R905 X R801R7121J RC 120 OHM 1 10W R4020 R903N8103J RC 10K ...

Page 88: ...0 OHM 1 8W C514 X C010BP7K3K CC 0 0027UF 2KV BP R5514 X R002T4333J RC 33K OHM 1 4W C515 X P1S3T0102J CP 0 001 UF 50V R5515 X R903N8333J RC 33K OHM 1 8W C516 X C0JTB05Q2K CC 470 PF 500V B R5516 X R903N8682J RC 6 8K OHM 1 8W C517 X C0JLYR7E3K CC 0 0015UF 2KV YR R5517 X R903N8102J RC 1K OHM 1 8W C518 X C0JTB05Q2K CC 470 PF 500V B R5519 X R903N8152J RC 1 5K OHM 1 8W C519 X C0JTB05Q2K CC 470 PF 500V B ...

Page 89: ...F 50V B C1068 X CS0RB0315K CC 0 1 UF 25V B C755 X E50HU0221M CE 220 UF 6 3V C1071 X CS0RCH412J CC 100 PF 50V CH C779 X CHGTB0413K CC 0 001 UF 50V B C1074 X CS0RB0315K CC 0 1 UF 25V B C781 X CHGTB0413K CC 0 001 UF 50V B C1076 X CS0RB0315K CC 0 1 UF 25V B C804 X CHGTB04S2K CC 560 PF 50V B C4002 X CS0RB0414K CC 0 01 UF 50V B C805 X CHGTB04N2K CC 390 PF 50V B C4003 X CS0RB0315K CC 0 1 UF 25V B C806 X ...

Page 90: ...X D2LTPG06J0 DIODE SILICON RMPG06J G3 C4211 X E02LT2471M CE 470 UF 16V D415 X D2LTPG06J0 DIODE SILICON RMPG06J G3 C4212 X E50HU2100M CE 10 UF 16V D501 X D4LZBL06L0 DIODE GBL06L 6177 C4213 X CS0RCH4Q2J CC 470 PF 50V CH D503 X D2BTRU2AM0 DIODE SILICON RU2AM V1 C4214 X CS0RCH4Q2J CC 470 PF 50V CH D505 X D28F21DQN9 DIODE SCHOTTKY 21DQ09N FC4 C4216 X CS0RB0216K CC 1 UF 16V B D506 X D2LTPG06J0 DIODE SIL...

Page 91: ...ORE TRIDAL KR16TT281807D IC603 X I1KA97809A IC KIA7809API or L301 X 02167D101K COIL 100 UH X I1KA978090 IC KIA7809PI L302 X 02167D101K COIL 100 UH IC901 X I05FE90A45 IC TC90A45F L401 X 021679472K COIL 4 7 MH IC1001 X I56F57043C IC OEC7043C L402 X 022100027A COIL LINEARITY ELH5L4113N IC1002 X I9UJ0T600H IC PST600H L481 X 02D8000012 TIB PIN PHASE COIL D8000012 IC1003 X I07SQ69550 IC BA6955N L501 X 0...

Page 92: ...51 X 070W133014 SPEAKER P 300S 2 MISCELLANEOUS SP352 X 070W133014 SPEAKER P 300S 2 B301 X 024AT03655 CORE BEADS BL01RN1 A63T6 TH501 X DF20A3R0Q0 DEGAUSS ELEMENT PTH451A3R0Q11 B502 X 024AT03482 CORE BEADS BL02RN2 R62T4 TM101 X 076G0DY010 TRANSMITTER RM C393G 1H B504 X 024AT03655 CORE BEADS BL01RN1 A63T6 TU601 X 0145W00052 TUNER VHF UHF NJH3022U268 B505 X 024AT03482 CORE BEADS BL02RN2 R62T4 X602 X 1...

Page 93: ...DY010 REMOCON RM C393G 1H 2 X JB5KD500 POLYBAG 3 X J5500115 SERVICE STATION LIST 4 X J5500117 REGISTRATION CARD 5 X J5720201 INSTRUCTION BOOK 6 X J5500112 GUARANTEE CARD 7 X J5501202 GUARANTEE CARD 8 X 791WHA0085 LAMIFILM BAG 9 X 792WHA0288 PACKAGE TOP 10 X 792WHA0289 PACKAGE BOTTOM 11 X 793WCD1294 GIFT BOX ...

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