JVC AV-2956BE, Service Manual

Page 1: ...pany of Japan Limited No YA466 2006 10 FLAT COLOUR TELEVISION YA466 2006 10 AV 2956BE TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 12 5 TROUBLESHOOTING 1 32 RM C1286 BASIC CHASSIS CW3 ...

Page 2: ...Carrier PAL 4 43 MHz SECAM 4 40625 MHz 4 25 MHz NTSC 3 58 MHz 4 43 MHz Power Input AC220 V AC240 V 50 Hz 60 Hz Power Consumption 147W Max 98W Avg Picture Tube 29 inch aspect ratio 4 3 flat square type tinted High Voltage 30 5 kV 1 5kV Speaker 5 cm 12 cm oval type 2 Audio Power Output 10 W 10 W Rated power output Aerial Input 75 Ω unbalanced coaxial Video Audio Input 1 2 3 Component Video VIDEO 2 R...

Page 3: ...or alternatives approved by the manufacturer of the complete product 7 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required o...

Page 4: ...ge the input mode to VIDEO 2 automatically CINEMA SURROUND This function can enjoy an enhanced sound for wider audience PICTURE MODE This function can adjust the picture settings automatically There are BRIGHT STANDARD and SOFT in the PICTURE MODE RETURN This function can set a channel frequently view to the Return Channel and you can view that channel at any time with one touch ECO MODE This func...

Page 5: ...fOut O Automatic Volume Levelling sound IF input subcar rier reference output external reference signal input for I signalmixer for DVB operation 97 REMOTE I Remote control 34 L3 I Audio L3 input left signal 98 PW_LED I POWER LED control 35 R3 I Audio R3 input right signal 99 PW_LED I POWER LED control 36 L OUT O Audio L output 100 V1 8C2 I 1 8V 37 R OUT O Audio R output 101 VssC2 GND 38 DecsDem D...

Page 6: ...VING THE SPEAKER Remove the REAR COVER 1 Remove the 2 screws C 2 Follow the same steps when removing the other hand SPEAKER 3 1 4 CHECKING THE MAIN PW BOARD To check the back side of the MAIN PWB 1 Pull out the MAIN PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the MAIN PWB vertically so that you can easily check its back side CAUTIONS Before turning on power make sure that the CRT earth wire an...

Page 7: ... No YA466 1 7 Fig 1 FRONT CABINET SPEAKER REAR COVER MAIN PWB SPEAKER CRT SOCKET PWB Within MAIN PWB A B C C POWER CORD FRONT LED PWB Within MAIN PWB ...

Page 8: ... SYSTEM CONSTANT SET If the value is different select the setting item with the MENU key and set the correct value with the MENU key 5 Press the OK key to memorize the setting value 6 Press the DISPLAY key twice and return to the normal screen 5 Receiving channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels Channels Preset as described 6 User settings Check the user set...

Page 9: ...UR AUTO NO ECO SENSOR SIMPLE INTER CARRIER NO SURROUND YES PICTURE BOOSTER NO COMPONENT YES PIP NO S INPUT YES MAXX BASS NO Setting item Setting position POWER Off CHANNEL PR 1 VOLUME 15 Setting item Setting position CHANNEL PR1 VOLUME 15 PICTURE MODE BRIGHT DISPLAY Indicated TV VIDEO TV CINEMA SURROUND OFF Setting item Setting position PICTURE MODE BRIGHT CONTRAST BRIGHT SHARP COLOUR TINT Centre ...

Page 10: ...ng item Setting value 1 IF 1 VCO 2 DELAY POINT 2 V C 1 SCREEN READ DATA 2 CUTOFF CUT OFF THEATER B G 3 WDR R G B 4 BRIGHT TV VDO 1 2 3 5 CONT TV VDO 1 2 3 6 COLOUR TV VDO 1 2 3 7 TINT TV VDO 1 2 3 THEATER 8 SHARP TV VDO 1 2 3 9 Y DELAY TV VDO 1 2 3 S VDO 10 TINT DVD TV VDO THEATER 11 AMP T SHARP TV VDO 12 TWIN CONT TV VDO 3 AUDIO Do not adjust 1 DCXO ADJ 2 NICAM lower ERRLIM 3 NICAM upper ERRLIM 4...

Page 11: ...the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as i...

Page 12: ...ING BEFORE ADJUSTMENT Unless otherwise specified in the adjustment items preset the following functions with the REMOTE CONTROL UNIT 4 3 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or digital voltmeter 2 Oscilloscope 3 HV voltmeter 4 Signal generator Pattern generator PAL NTSC 5 Remote control unit 4 4 ADJUSTMENT ITEMS CHECK ITEMS B1 VOLTAGE check HIGH VOLTAGE check IF VCO check TUNER IF CIRC...

Page 13: ... DEF YOKE IC702 MAIN PWB ASS Y CRT SOCKET T 6 1 4 1 FRONT HVT MAIN PWB ASS Y MAIN PWB ASS Y FRONT LED 1 6 1 4 1 1 4 3 6 1 CN00B U LOWER SCREEN TU001 J809 S901 J808 S805 CN00A S803 S801 S804 S802 J807 J806 J804 J801 J802 J803 IC701 CN00S CN00C T PW DEG CN10A POWER CORD TP E E1 TP 47B POWER SW TP 47G R CN00C 1 5V 2 SCL0 3 SDA0 4 SCL1 5 SDA1 6 GND I2 C ...

Page 14: ...nt is completed press the OK key to memorize the adjustment value If not to do so the data is not memorized to the memory IC And if exit the adjustment mode before to memorize the data the adjustment value which you have changed will be canceled 4 6 3 4 RELEASE OF SERVICE MODE After completing the setting return to the SERVICE MODE then again press the DISPLAY key 1 IF This mode adjusts the settin...

Page 15: ...EZ 7 EW PIN 8 COR UP 9 COR LO 10 ANGLE 11 BOW 12 V S CR 13 V LIN 14 V ZOOM Setting item 1 IF 3 AUDIO 5 VSM W B 7 PLUG PLAY ON 2 V C 4 DEF 6 STATUS SERVICE MENU 1 7 SELECT DISPLAY EXIT 6 STATUS ECO EOF NOL VNR ADC ECO COSMIC STATUS STATUS 1 DCXO ADJ NOT NICAM AUDIO V C STATUS MENU EQUALIZER EQUALIZER RF Setting value Hexadecimal Setting value Sereen size FULL COMPRESS USER SOUND TURBO THEATER MUSIC...

Page 16: ...3 32 31 11 11 11 11 3 3 G 0 63 32 31 7 7 7 7 5 5 CUT OFF THEATER B 0 63 32 31 3 7 7 G 0 63 32 31 0 6 6 3 WDR R 0 63 32 31 32 32 32 32 0 0 G 0 63 32 31 32 32 32 32 0 0 B 0 63 32 31 45 45 45 45 0 0 4 BRIGHT RF 0 63 39 39 39 39 VIDEO 1 COMPOSITE S 32 31 2 2 2 2 VIDEO 2 COMPONENT 32 31 1 1 1 1 2 2 VIDEO 3 COMPOSITE 32 31 3 3 3 3 5 CONT RF 0 63 32 32 32 32 VIDEO 32 31 3 3 3 3 2 2 6 COLOUR RF 0 63 32 31...

Page 17: ...1 6 3 4 NEWS 3 5 7 4 4 USER 0 0 0 0 0 VIDEO SOUND TURBO 6 4 2 6 8 THEATER 6 2 10 6 9 MUSIC 3 1 6 3 4 NEWS 3 5 7 4 4 USER 0 0 0 0 0 DVD THEATER 6 2 10 6 9 MUSIC 3 1 6 3 4 DRAMA 0 2 7 3 2 USER 0 0 0 0 0 Adjustment item Variable range Initial setting value 4 3 COMPRESS 16 9 4 3 50Hz Others 50Hz 60Hz 50Hz 60Hz 1 V SHIFT 0 63 32 31 0 0 0 0 2 V SLOPE 0 63 32 31 0 0 0 0 3 V SIZE 0 63 32 31 15 0 4 2 4 H C...

Page 18: ...OFT STANDARD THEATER 1 BRIGHT 16 16 0 0 0 4 2 CONT 16 16 15 5 10 5 3 COLOUR 16 16 0 0 4 8 4 SHARP 16 16 0 10 5 0 5 HUE 16 16 0 0 0 0 Setting item Variable range Setting value COOL WARM NORMAL THEATER 1 R DRIVE 64 63 0 10 0 8 2 G DRIVE 64 63 0 4 2 0 3 B DRIVE 64 63 0 12 10 24 ...

Page 19: ...cast 2 Connect the earth clip of HV voltmeter to chassis GND 3 Connect the probe of HV voltmeter to CRT anode 4 Make sure that the voltage is DC30 5kV 1 5kV NOTE Remove the probe before removing the earth clip IF VCO Remote control unit 1 IF 1 VCO Under normal conditions no adjustment is required Confirmation adjustment 1 Select 1 IF from the SERVICE MODE 2 Select 1 VCO 3 Receive any broadcast 4 C...

Page 20: ... Then adjust the MENU keys until video noise disappears 6 Turn to other channels and make sure that there are no irregularities Setting Item Variable range Initial setting value 30 30 DELAY POINT AGC TAKE OVER 0 127 NTSC3 58 OTHER Item Measuring instrument Test point Adjustment part Description FOCUS Signal generator FOCUS VR In HVT 1 Receive the cross hatch signal 2 While looking at the screen ad...

Page 21: ...he SERVICE MODE 3 Select 3 V SIZE 4 Set the initial setting value of 3 V SIZE 5 Adjust 3 V SIZE to make the vertical screen size to 92 of the picture size 6 Press the OK key to memorize the set values NTSC V SIZE 1 Receive a NTSC crosshatch signal 2 Follow the same step 2 to 6 as in PAL V SIZE H POSITION Signal generator Remote control unit 4 DEF 4 H CENT PAL H POSITION 1 Receive a PAL circle patt...

Page 22: ...f 7 EW PIN 5 Adjust 7 EW PIN so that the first vertical lines at the left and right edges on the screen are straight 6 Press the OK key to memorize the set values NTSC SIDE PIN 1 Receive a NTSC crosshatch signal 2 Follow the same step 2 to 6 as in PAL SIDE PIN TRAPEZIUM Signal generator Remote control unit 4 DEF 6 TRAPEZ PAL TRAPEZIUM 1 Receive a PAL crosshatch signal 2 Select 4 DEF from the SERVI...

Page 23: ...Select 8 COR UP 4 Set the initial setting value of 8 COR UP 5 Select 9 COR LO 6 Set the initial setting value of 9 COR LO 7 Adjust 8 COR UP and 9 COR LO so that the vertical lines at the four corners on the screen are straight 8 Press the OK key to memorize the set values NTSC CORNER PIN 1 Receive a NTSC crosshatch signal 2 Follow the same step 2 to 8 as in PAL CORNER H PARALLEL Signal generator R...

Page 24: ...ERVICE MODE 4 Set the initial setting value of 14 V ZOOM 5 Select 3 V SIZE 6 Set the initial setting value of 3 V SIZE 7 Adjust 3 V SIZE to set the vertical amplitude of the image to the value shown in the left hand side list 8 Press the OK key to memorize the set values NTSC V SIZE 1 Receive a crosshatch signal of vertical frequency 60Hz NTSC 2 Follow the same step 2 to 8 as in PAL V SIZE V SLOPE...

Page 25: ... value of 6 TRAPEZ 6 Adjust 6 TRAPEZ so that the vertical lines at the left and right edges on the screen are in parallel 7 Press the OK key to memorize the set values NTSC TRAPEZIUM PIN 1 Receive a NTSC crosshatch signal 2 Follow the same step 2 to 7 as in PAL TRAPEZIUM CORNER PIN Signal generator Remote control unit 4 DEF 8 COR UP 9 COR LO PAL CORNER PIN 1 Receive a PAL crosshatch signal 2 Set t...

Page 26: ...keys 6 Turn the SCREEN VR fully counterclockwise then slowly turn it clockwise to where a red blue or green colour is faintly visible 7 Use the 4 7 and 5 8 keys to adjust so that the other 2 colours appear white 8 Turn the SCREEN VR to where the single horizontal line glows faintly 9 Press the OK key to memorize the set values COMPONENT WHITE BALANCE 1 Receive a PAL component black and white signa...

Page 27: ...est colour 7 Press the OK key to memorize the set values SECAM COLOUR 1 Receive a SECAM broadcast 2 Follow the same step 2 to 7 as in PAL COLOUR NTSC 3 58 COLOUR 1 Receive a NTSC 3 58MHz broadcast 2 Follow the same step 2 to 7 as in PAL COLOUR NTSC 4 43 COLOUR When NTSC 3 58 COLOUR is set NTSC 4 43 COLOUR will be automatically set Signal generator Oscilloscope Remote control unit TP 47B TP E CRT S...

Page 28: ... of adjustment using measuring instrument PAL TINT 1 Receive a PAL colour bar signal full field colour bar 75 white 2 Connect the oscilloscope to TP 47B and TP E 3 Set the PICTURE MODE to BRIGHT 4 Select 2 V C from the SERVICE MODE 5 Select 7 TINT 6 Set the initial setting value of 7 TINT 7 IfyoucannotgetthebestHUEwiththeinitialsettingvalue make fine adjustment until you get the best TINT 8 Press ...

Page 29: ...the set values 5 Respectively select the VSM PRESET mode for STANDARD SOFT and THEATER 6 Select COOL with the OK key 7 Adjust the MENU key to bring the set values of 1 R DRIVE to 3 B DRIVE to the values shown in the table 8 Press the OK key to memorize the set values 9 Respectively select the WIHITE BALANCE mode for WARM and NORMAL 1 RDRIVE 0 2 G DRIVE 0 2 3 BDRIVE 12 4 10 24 0 8 0 10 0 W B preset...

Page 30: ...ition them horizontally Fig 2 7 Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is ho...

Page 31: ...VERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make best convergence 4 Adjust XV by XV coil Fig 4 After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the P C magnets with gl...

Page 32: ...ethod of detection State of abnormality B1 over current protection An over current on the low B1 line is detected The main microcomputer detects the possible abnormality at 24 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality When an abnormality has been detected the SUB POWER is turned off While the...

Page 33: ... No YA466 VPT Printed in Japan Display Category 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited ...

Page 34: ...g your TV s features 3 Remote control buttons and basic functions 4 TV buttons and functions 6 Setting up your TV 7 Basic setting for picture 9 Advanced setting for picture 11 Original features for picture 12 Basic setting for sound 14 Advanced setting for sound 15 DVD Menu 16 Customized setting 17 TV channel presetting 19 Additional preparation 22 Troubleshooting 23 Specifications Back cover ...

Page 35: ...he surface of the TV screen is easily damaged Be very careful with it when handling the TV Should the TV screen become soiled wipe it with a soft dry cloth Never rub it forcefully Never use any cleaner or detergent on it 7 This TV can be turned on off power by connecting disconnecting the AC plug into AC outlet While this TV is being installed enough space should be reserved for connection disconn...

Page 36: ...time TELETEXT You can view teletext programmes which are broadcasted by some TV channels Teletext programme is an infromation in text form FAVORITE CH Channel You can register up to four favorite channels for quick recall with one press A2 NICAM STEREO I II You can listen the stereo sound or billingal sound from TV programme broadcasting by A2 or NICAM Sound multiplex system AI ECO SENSOR TV detec...

Page 37: ...ls are indicated with coloured mark On the other hand you can use this button to return to the previous menu 9 0 9 Select the programme number For two digits programme number press then press the number button RETURN a Return to the frequently view channel with one touch 1 Choose the channel you want to register 2 Press and hold RETURN button until RETURN PLUS PROGRAMMED appears To cancel press an...

Page 38: ...e the setting Press the TV VIDEO EXIT button 6 to exit from the menu Adjust the effect level of a function Press 5 buttons 3 to choose a function Then press the 2 3 buttons 3 to adjust the effect level Display the sub menu of a function Press the 5 buttons 3 to choose a function Then press MENU OK button 2 to display the sub menu MENU Top menu 2nd menu Top menu 3rd menu MENU 2nd menu Top menu 2nd ...

Page 39: ...10 15 seconds When you operate the TV POWER Lamp will be blink 3 ECO sensor 4 Remote control sensor 5 TV VIDEO Press to select TV or Video terminal input or exit from menu 6 VOLUME Press to adjust the volume level 7 CHANNEL Press to select the desired channel Both of RF and Video input 8 MENU OK Press to display the menu 9 IN VIDEO 3 Video and audio input jacks for VIDEO 3 mode 22 Headphone jack 2...

Page 40: ...n JVC logo appears on the screen V L R R L MONO Y CB CR V V S OVER L R MONO OUTPUT VIDEO 1 COMPONENT VIDEO 2 INPUT INPUT Rear of TV AV 2156BE VHF UHF outdoor aerial VCR If you connect a VCR connect the aerial output jack of your VCR and the aerial jack on the TV with aerial cable Then connect the output jacks of your VCR and the VIDEO 1 input jacks of the TV with the video cable or S VIDEO cable i...

Page 41: ... To edit the channel list see page 19 SETUP TOUR RESTART will be displayed Press the MENU OK button to cancel the SETUP TOUR RESTART function If you want to make initial settings again when the next time you turn on the TV press the Red button to activate the SETUP TOUR RESTART function LANGUAGE TEXT LANGUAGE MENU OK DISPLAY BACK TV VIDEO EXIT TEXT LANGUAGE MENU OK DISPLAY BACK TV VIDEO EXIT AUTO ...

Page 42: ...TER STATUS in DVD MENU to ON you cannot adjust PICTURE MODE To operate this function with a menu To return the USER setting to default press the blue button when the PICTURE SETTING menu is displayed Basic setting for picture AUTO PAL SECAM NTSC3 58 NTSC4 43 MENU INSTALL menu COLOUR SYSTEM MENU PICTURE menu PICTURE MODE Area Country or Region System Asia Middle East Bahrain Kuwait Oman Qatar Unite...

Page 43: ... cannot adjust SHARP Basic setting for picture continued WHITE BALANCE You can change the white balance of the picture to better match the type of video being viewed Select WHITE BALANCE in the PICTURE menu then choose the desired setting NORMAL Normal white balance COOL Bluish white WARM Reddish white When you set DVD THEATER STATUS in DVD MENU to ON you cannot adjust WHITE BALANCE MENU PICTURE m...

Page 44: ...ollowing display appears 2 Press the 5 buttons until the picture becomes level Then press the MENU OK button COMPRESS 16 9 You can convert a normal picture 4 3 aspect ratio into a wide picture 16 9 aspect ratio Select COMPRESS 16 9 in the FEATURES menu then choose ON or OFF BLUE BACK You can set the TV to automatically change to a blue screen and mute the sound if the signal is weak or absent or w...

Page 45: ... display a sub picture within the main picture on the screen Press the PIP operation buttons to display and change the sub picture setting Original features for picture TELETEXT You can watch the Teletext broadcast channel with TEXT function 1 Press the TEXT button to select the desired mode as follows 2 Press the CHANNEL buttons number buttons or colour buttons to select other Teletext pages 3 Pr...

Page 46: ...an Swedish Finnish Danish Hungarian Italian French Spanish Portuguese Turkish GROUP 2 Polish German Estonian Slovenian Czech Slovakian Rumanian GROUP 3 Polish German Estonian Lettish Russian Ukrainian Depending on the broadcast the language set may not display properly For details refer to page 8 MENU INSTALL menu TEXT LANGUAGE About the basic operations of the menu please see the How to operate m...

Page 47: ...ect VIDEO 2 you cannot adjust SOUND MODE function You can adjust it in DVD Menu When SOUND MODE is set to SOUND TURBO EQUALIZER CINEMA SURROUND and MaxxBass functions are not available BALANCE You can adjust the volume balance between the left and right speakers Select BALANCE in SOUND menu then adjust the setting MENU SOUND menu SOUND MODE MENU SOUND menu BALANCE Area Country or Region System Asi...

Page 48: ...menu Adjust high frequency will affect higher pitch sound and vice versa When you select VIDEO 2 you cannot adjust EQUALIZER AI VOLUME You can adjust the volume of all the channels and video inputs to the same level automatically depends on the strength of signal of the sources Select AI VOLUME in SOUND menu then choose ON or OFF About the basic operations of the menu please see the How to operate...

Page 49: ... a dark room like watching a movie in the theater Select DVD THEATER STATUS in DVD MENU under FEATURES menu then choose ON or OFF ON Enjoy movie playback with suitable colour temperature sharp subtitles and improved gradation for black like in a theater OFF Cancel the function When you set DVD THEATER STATUS to ON PICTURE MODE WHITE BALANCE and AI ECO SENSOR ECO MODE functions are not available DV...

Page 50: ...ns of the menu please see the How to operate menus and menus locations on page 5 OFF TIMER You can set the TV to turn off automatically to standby mode after a set time Press the OFF TIMER button to select a desired period of time You can set the period of time to a maximum of 120 minutes in 10 minute intervals To operate this function with a menu When the remaining elapse time is one minute GOOD ...

Page 51: ... SETTING in INSTALL menu then choose a setting Factory setting is COMPONENT MENU INSTALL menu VIDEO 2 SETTING VIDEO If a normal video signal composite video signal is input COMPONENT If a component video signal Y CB CR is input You must choose a setting according to the signal that you input to VIDEO 2 If you input the VIDEO Signal or VCR Signal to VIDEO 2 you must set VIDEO 2 SETTING to VIDEO For...

Page 52: ...Choose EDIT MANUAL then press the MENU OK button EDIT menu appears 3 Choose the channel which you want to register 4 Press the blue button to activate the MANUAL function The sound system of the channel appears at the right of the CH CC number 5 Press the 3 button to choose an appropriate sound system For details see SOUND SYSTEM on page 14 6 Press the green or red button to search for the TV chan...

Page 53: ...nnel a noisy picture appears When a TV channel has already been registered in PR99 using the INSERT function deletes that TV channel TV channel presetting continued To edit the channel list PR LIST MOVE and DELETE in the EDIT menu You can edit the TV channel list as you like Note After this operation other channel s PR numbers will be changed 1 Display the INSTALL menu 2 Choose EDIT MANUAL then pr...

Page 54: ...H 44 US 44 W 59 E44 AU 46 CH 45 US 45 W 60 E45 AU 47 AU 48 CH 46 US 46 W 61 E46 AU 49 CH 47 US 47 W 62 E47 AU 50 CH 48 US 48 W 63 E48 AU 51 CH 49 US 49 W 64 E49 AU 52 CH 50 US 50 W 65 E50 AU 53 CH 51 US 51 W 66 E51 AU 54 CH 52 US 52 W 67 E52 AU 55 AU 56 CH 53 US 53 W 68 E53 AU 57 CH 54 US 54 W 69 E54 AU 58 CH 55 US 55 W 70 E55 AU 59 CH 56 US 56 W 71 E56 AU 60 CH 57 US 57 W 72 E57 AU 61 CH 58 US 58...

Page 55: ... the TV Note that connecting cables are not supplied Connecting to front video input terminals Additional preparation Connecting to rear component video input terminals and output terminals C MENU OK V R L MONO IN VIDEO 3 R V L MONO IN VIDEO 3 Front of TV Headphones AV 2988SE AV 2156BE Camcorder or TV game When connecting to COMPONENT VIDEO 2 input depending on the connection choose the appropriat...

Page 56: ... video input cable from Video 1 input No picture no sound Deactivate the BLUE BACK function if it is turned on Choose the appropriate sound system Refer to SOUND SYSTEM on page 14 Snowy picture Check the aerial cable and its connection with the TV Stripes appear on the picture Interference occurs caused by other devices such as an amplifier personal computer or a hair drier Move such devices away ...

Page 57: ...VIDEO input AUDIO L R input VIDEO 2 COMPONENT VIDEO input AUDIO L R input COMPONENT VIDEO Y CB CR input VIDEO 3 VIDEO input AUDIO L R input OUTPUT VIDEO output AUDIO L R output Headphone jack Stereo mini jack 3 5 mm diameter Sound multiplex systems A2 B G or NICAM B G I D K Teletext system FLOF Fastext WST World Standard Text Language displayed by teletext Please see the table in the description T...

Page 58: ...pacitor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor M...

Page 59: ...FB TRANSF 1 GG30163 001A H JVC MARK 2 GG30150 001A H OPERATION SHEET 3 GG30149 001A H LED LENS 11 QYSBSFG4016ZA TAP SCREW M4 x 16mm x9 12 QYSBSF3010ZA TAP SCREW M3 x 10mm x2 13 GG10436 001A H REAR COVER 14 CM47005 A01 H POWER CORD CLAMP 15 QMPR340 165 K2 POWER CORD 1 65m BLACK 16 GG30119 001B H SUB PCB HOLDER 17 QAL0627 001 DY WEDGE x4 18 QAL0610 001 PC MAGNET 19 A48457 3 H SPRING 20 WJY0018 001A ...

Page 60: ...466 3 3 EXPLODED VIEW RATING LABEL 2 100 102 103 101 1 3 CRT SOCKET PWB Within MAIN PWB 30 T522 L01 V01 MAIN PWB 30 15 14 11 12 13 19 22 21 23 24 FRONT LED PWB Within MAIN PWB 30 16 20 17 24 25 23 24 24 25 18 ...

Page 61: ...ISTOR Q955 2SC3928A QR X TRANSISTOR Q955 or 2SC1623A 5 6 X TRANSISTOR Q957 2SC3928A QR X TRANSISTOR Q957 or 2SC1623A 5 6 X TRANSISTOR Q958 2SA1013 RO T TRANSISTOR Q981 2SA562TM Y T TRANSISTOR Q982 2SC3928A QR X TRANSISTOR Q982 or 2SC1623A 5 6 X TRANSISTOR Q983 2SA562TM Y T TRANSISTOR Q984 2SC3928A QR X TRANSISTOR Q984 or 2SC1623A 5 6 X TRANSISTOR D101 1SS356 X SI DIODE D102 1SS356 X SI DIODE D201 ...

Page 62: ...24X C CAPACITOR 0 22uF 16V K C607 QETN1CM 227Z E CAPACITOR 220uF 16V M Ref No Part No Part Name Description Local C608 QETN1CM 227Z E CAPACITOR 220uF 16V M C609 QETN1HM 336Z E CAPACITOR 33uF 50V M C610 QETN1CM 227Z E CAPACITOR 220uF 16V M C613 QETN1HM 106Z E CAPACITOR 10uF 50V M C615 QETN1EM 108Z E CAPACITOR 1000uF 25V M C616 QETN1EM 108Z E CAPACITOR 1000uF 25V M C656 QETN1HM 107Z E CAPACITOR 100u...

Page 63: ...1 2W J R411 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J Ref No Part No Part Name Description Local R412 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R421 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R426 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R427 NRSA63J 682X MG RESISTOR 6 8kΩ 1 16W J R430 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R432 QRX01GJ 2R2 MF RESISTOR 2 2Ω 1W J R433 QRE121J 3R9Y C RESISTOR 3 9Ω 1 2W J R434 NRSA...

Page 64: ... 1 16W J R795 NRSA63J 104X MG RESISTOR 100kΩ 1 16W J R796 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R797 QRE141J 102Y C RESISTOR 1kΩ 1 4W J R801 NRSA63J 750X MG RESISTOR 75Ω 1 16W J R804 NRSA63J 750X MG RESISTOR 75Ω 1 16W J R805 NRSA63J 750X MG RESISTOR 75Ω 1 16W J Ref No Part No Part Name Description Local R806 NRSA63J 750X MG RESISTOR 75Ω 1 16W J R807 QRE121J 101Y C RESISTOR 100Ω 1 2W J R809 NRSA63J...

Page 65: ...ILTER LF901 QQR1356 001 LINE FILTER LF902 QQR1035 002 LINE FILTER RY901 QSK0061 002 RELAY S801 QSW0619 003Z PUSH SWITCH MENU S802 QSW0619 003Z PUSH SWITCH CH S803 QSW0619 003Z PUSH SWITCH CH S804 QSW0619 003Z PUSH SWITCH VOL S805 QSW0619 003Z PUSH SWITCH VOL S901 QSW0846 001 PUSH SWITCH POWER SF101 QAX0872 001 SAW FILTER SF102 QAX0731 001 SAW FILTER SK351 QNZ0536 002 CRT SOCKET TH901 QAD0134 4R5 P...

Page 66: ...e Description Local 1 GG10285 016B H PACKING CASE 2 GG10437 001B H CUSHION ASS Y 5pcs in 1set 3 GG30097 004B H POLY BAG 4 GG30096 001B H POLY BAG 5 BATTERY AA R6 1 5V x2 6 GGT0120 001A H INST BOOK 7 WARRANTY CARD BT 54028 1H 8 GG40042 001A H CORD CLAMP R C 9 GG20011 017A H SUPPORT PAD 10 GG20011 018A H SUPPORT PAD x2 11 RM C1286 1H REMOCON UNIT 1 2 2 10 11 9 7 6 4 5 3 10 8 ...

Page 67: ...COPYRIGHT 2006 Victor Company of Japan Limited No YA466 2006 10 FLAT COLOUR TELEVISION YA448 2006 9 AV 2956BE BASIC CHASSIS CW3 SCHEMATIC DIAGRAMS CD ROM No SML200610 RM C1286 ...

Page 68: ...12V 4 Power Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Oth...

Page 69: ... 3 4 4 4 2 7 PATTERN DIAGRAM 2 9 MAIN PWB PATTERN 2 9 VOLTAGE CHARTS 2 11 WAVEFORMS 2 12 USING P W BOARD P W B ASS Y name MAIN P W BOARD AV 2956BE SCW 1957A H2 2 2 No YA466 IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW 1 N 1 N CHIP IC TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR E C B E C B C B E B G E S C D E C B E C B ...

Page 70: ...KE 1 8V 1 8V IC702 MAIN MEMORY 29 30 SIF IN VIF IN SIF DETECT VIDEO IDENT AUDIO CONTROL COMB FILTER Y DELAY ADJ COLOUR DECODER SYNC SEP H DRIVE VIF DETECT AGC AFT SOUND TRAP TELETEXT DECODER DIGITAL SIGNAL PROCESS PEAKING SCAN VELOCITY MOD U V DELAY RGB MATRIX GAMMA CONTROL AUDIO SELECT VIDEO SELECT I O PORT AUDIO SELECT G3 Y B3 PB R3 PR V2 Y Y1 CVBS C1 V3 L1 L2 L3 R1 R2 R3 V_OUT L_OUT R_OUT 24 25...

Page 71: ...01C5 03Z LA6515 2SA562TM Y T NCB31HK 152X QQR1114 001Z QQR1113 001Z QUY160 100Y QUY160 050Y QUY160 075Y REMOTECON RECEIVER GP1UE281QKVF QQR1199 002 QNS0155 001 1 2W 1 2W QGA2501C5 04Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z 1 4W 2SA562TM Y T 1 2W 1 2W QUY160 150Y QUY160 150Y 1 4W QNN0282 001 LH22440 T16 1 4W CH CP ICP N25 T NCB31HK 152X NCB31HK 152X QUY160 150Y QUY160 050Y...

Page 72: ...3 1 4W MA8051 L X QRE141J 182Y MA8075 H X QUY160 100Y QCZ9015 102Z QCZ9015 102Z QGA2501C5 03Z QRL039J 271 QFLC2AJ 563Z QQS0267 001 1 4W UN2212 X GG30103 002B H MA8082 M X 2SA1013 RO T QENC2AM 225Z QFZ9072 224 QRZ0107 474Z QAF0060 621 QSW0846 001 QMF51E2 4R0 S QSK0061 002 2SA1208 ST Z1 T QGZ5003C1 02 QAD0134 4R5 QRZ9046 825Z QRF154K 2R2 MC SCW 1958A QEZ0476 337 QUY160 100Y 1 4W 1 4W OMF2 OMF2 AC250...

Page 73: ...805 T522 IP23 W129 W009 IP24 IP25 IP26 IP27 IP28 IP29 W022 IP30 IP31 IP32 IP33 IP34 IP35 IP36 IP37 IP38 R782 IP39 IP40 IP41 IP42 IP43 IP44 CN0E4 IP45 IP46 IP47 IP48 IP49 IP50 IP51 Y008 IP52 IP53 IP54 IP55 IP56 IP57 J806 1 C111 IP58 IP60 IP62 IP63 IP64 IP65 C529 1 IP69 IP72 IP73 D712 J807 1 R638 R756 IP75 R786 IP86 IP87 IP88 IP95 Q612 IP91 IP92 IP94 C110 IP102 IP103 Y571 W040 W057 W127 IP106 C793 I...

Page 74: ...1 0 122 3 1 123 0 124 1 9 125 0 126 3 2 127 3 1 128 3 1 IC702 1 0 2 0 3 0 4 0 5 3 2 6 3 2 7 0 8 3 2 IC921 1 125 4 2 NC 3 0 4 19 7 5 4 0 6 1 7 7 0 3 IC951 1 135 1 2 21 9 3 0 IC972 1 6 7 2 3 1 3 0 4 6 4 IC973 1 16 4 2 11 8 3 0 4 3 1 IC975 1 7 5 2 4 9 3 0 4 3 2 Q101 E 2 2 C 11 8 B 2 9 Q102 E 0 C 7 5 B 0 Q103 E 0 C 0 B 3 0 Q341 E 4 8 C 0 2 B 4 9 Q421 E 0 C 0 B 0 5 Q422 E 0 C 3 1 B 0 Q461 S 17 6 D 0 G ...

Page 75: ...01 74 1 2Vp p H IC701 66 5 0Vp p H H IC701 87 1 7Vp p H IC701 48 2 0Vp p H T522 9 220Vp p T522 8 24Vp p H H T522 7 110Vp p H T522 6 110Vp p H T522 4 60Vp p H T522 2 6 0Vp p H Q522 C 1200Vp p H Q521 B 1 3Vp p Q521 C 32Vp p H Q522 B 2 0Vp p H H IC351 8 100Vp p IC351 7 80Vp p IC351 9 130Vp p H IC701 85 1 4Vp p IC701 86 1 4Vp p H H 0 2µs 0 2µs H V IC401 7 MAIN PWB CRT SOCKET PWB WAVEFORMS ...

Page 76: ... No YA466 VPT Printed in Japan Display Category 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited ...