SERVICE MANUAL
JCTV3242
Design and specifications are subject to change without notice.
COLOR TELEVISION RECEIVER
ORIGINAL
MFR'S VERSION A
Страница 1: ...SERVICE MANUAL JCTV3242 Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION A...
Страница 2: ...f the SERIAL NUMBER 2 PART NO and DESCRIPTION You can find it in your SERVICE MANUAL HOW TO ORDER PARTS PERFORM A SAFETY CHECK AFTER SERVICING 7 Confirm that the screws parts and wiring which were rem...
Страница 3: ...EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT AUDIO MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER SOUND JACK SOUND WAVEFORMS MECHANICAL E...
Страница 4: ...MHz Preset CH No Stereo Dual TV Sound Yes Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 90 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year...
Страница 5: ...ff Tim No Wake Up Timer No Timer Back up at Power Off Mode more than Min Sec G 10 Remote Unit RC DW Control Glow in Dark Remocon No Format NEC Custom Code 86 05 h Power Source Voltage D C 3V UM size x...
Страница 6: ...ll OSD No Premiere No Comb Filter No Lines Auto CH Memory Yes Hotel Lock No Closed Caption Yes Stable Sound No Energy Star No Favorite CH No G 12 Accessories Owner s Manual Language English French w G...
Страница 7: ...put Rear1 No Audio Input Rear2 No Video Output No Audio Output No Euro Scart No Color Stream No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Outlet No G 14 Set Siz...
Страница 8: ...p up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT...
Страница 9: ...sing a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desold...
Страница 10: ...8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be al...
Страница 11: ...be checked of the INITIAL DATA of MEMORY IC Refer to the WHEN REPLACING EEPROM MEMORY IC VOL MIN 8 Writing of EEPROM initial data NOTE Do not use this for the normal servicing VOL MIN Display of the A...
Страница 12: ...nd should blink Using the SET or keys on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step t...
Страница 13: ...P DOWN button or Channel button 0 9 on the remote control to select the options shown in Fig 1 2 Press the MENU button on the remote control to end the adjustments 2 3 Prepare the following measuremen...
Страница 14: ...mote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum 2 9 VERTICAL SHIFT 1 2 3 Receive the monoscope pattern Using the remote control set the brightness and contrast...
Страница 15: ...h 1KHz R ch Non input and receive the RF Connect the oscilloscope to the pin 6 and pin 7 of CP601 Press the AUDIO SELECT button on the remote control to set to the stereo mode Activate the adjustment...
Страница 16: ...color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets...
Страница 17: ...N GUIDE WIRING CONNECTION ELECTRICAL ADJUSTMENTS IC901 TU001 CP401_1 TP402 CP802A CP701B T501 W027 CP601_1 FB401 S501B S501A CP701A TP022 TP024 CP806 J801 CP801 CD801 CRT R 8 0 5 J702 R 8 0 3 AV PCB C...
Страница 18: ...OWER 29 8 2 EXT MUTE 51 AUDIO OUT VIF IN 1 G IN B IN R IN RF AGC OUT POWER ON CONT H OUT VIF Vcc VIF IN 2 20 SCL 26 SDA 27 INV FBP OUT 10 V PULSE OUT 5 V OUT 28 FPB IN 12 14 STEREO 5V REG Q605 REG Q60...
Страница 19: ...08 W843 R806_1 R804 R802_1 C124 R635 R514 R419 W811 D507 W079 W037 T501 W814 W106 C504 D518 D514 D509 D505 R427 W027 C620 W058 W111 Q607 R613 W112 C921 C919 Q608 Q801 Q802 Q803 C002 C003 C004 C416 C41...
Страница 20: ...609 C618_1 C606 R601 R134 C138 C121 R130 R106 R105 R120 R104 R103 R102 R124 R125 C114 C113 R112 IC 6 0 1 R115 R113 R602 IC101 R117 R116 R119 R131 C801 R814 R811 R816 R813 C810 R809 C811 R141 R142 R907...
