JVC TV-13142 Service Manual
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Summary of Contents for JVC TV-13142
- Page 1 TV-13142 TV-13142W SERVICE MANUAL TV/VCR COMBO TV-13142 TV-13142W No. 51810 COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD. Mar. 2001...
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Page 2: Note For The Replacing Of Memory Ic
TV-13142 TV-13142W NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. -
Page 3: Electrical Adjustments
TV-13142 TV-13142W ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS (VCR SECTION) Read and perform these adjustments when repairing the 2-1: PG SHIFTER circuits or replacing electrical parts or PCB assemblies. Connect CH-1 on the oscilloscope to TP1002 and CH-2 CAUTION to pin 4 of CP1003. - Page 4 TV-13142 TV-13142W ELECTRICAL ADJUSTMENTS 2-3: RF AGC 2-8: HORIZONTAL PHASE Receive the VHF HIGH (63dB). Receive the center cross signal from the Pattern Connect the digital voltmeter between the pin 5 of Generator. CP351 and the pin 1 (GND) of CP351.
- Page 5 TV-13142 TV-13142W ELECTRICAL ADJUSTMENTS 2-13: SUB TINT 2-15: OSD HORIZONTAL Receive the color bar pattern. (RF Input) Activate the adjustment mode display of Fig. 1-1. Connect the synchro scope to TP801. Press the VOL. UP/DOWN button on the remote Using the remote control, set the brightness, contrast, control until the difference of A and B becomes color and tint to normal position.
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Page 6: Block Diagram
TV-13142 TV-13142 TV-13142W TV-13142W BLOCK DIAGRAM TV BLOCK DIAGRAM V. OUTPUT IC IC401 AN5522 MICON/ POWER/ THERMAL R. SIGNAL OPERATION/ PROTECTION G. SIGNAL Q602, Q603 Q606 DECK B. SIGNAL P. CON+8V AT+5V REG. REG. COLOR SIGNAL AT+25V TUNER VIDEO SIGNAL... - Page 7 TV-13142 TV-13142 TV-13142W TV-13142W Y/C/AUDIO/CCD/HEAD AMP/IN/OUT BLOCK DIAGRAM X4001 3.579545MHz Q4012 Q4010 BUFFER Y/C/AUDIO/CCD/HEAD AMP IC BUFFER IC4001 LA71201M-MPB VX01 3.58M BPF2 CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SERAIL MICON/ POWER/ Y/C_DATA OPERATION/ DECK DECODER SP-CH1 (R) Y/C_CS B-UP SP_COM...
- Page 8 TV-13142 TV-13142 TV-13142W TV-13142W MICON/POWER/OPERATION/DECK BLOCK DIAGRAM SW1001 TIMER SYSCON MICON IC IC1001 OEC7059A SYSTEM RESET IC RESET-L 3 OUT IC1003 TAB SW R3111N311A/C POWER FAIL2 AT+5.6V POWER_FAIL_L OPERATION PCB MSSEN-A P. CON+5V X-OUT(12MHz) Q1023 MS_SEN A X1001 J701 Q1009...
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Page 9: Wiring Connection Diagram
TV-13142 TV-13142 TV-13142W TV-13142W WIRING CONNECTION DIAGRAM INTERCONNECTION DIAGRAM HEADPHONE JACK OPERATION PCB J351 PCB030 TE9965 J701 Vout OS753 TM101 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR SPEAKER CD352 SP + SP - SP351 8 OHM HALL HALL SWITCH... -
Page 10: In/Out Schematic Diagram
FROM/TO CHROMA/IF AT+5V INT-MONI B.OUT FROM/TO MICON IIC_OFF T-REC LED SW(JVC) W903 T-REC_LED Q1008_1 (AI) KRC102RTK REC_LED W899 TV POWER/ON TIM LED SW(JVC) ON_TIM_LED REC LED SW(AI) (AI) Q1006_1 Q1007 KRC102RTK KRC102RTK W866 W870 FROM/TO POWER P.CON+5V KEY_B KEY_A REMOCON_IN FROM/TO Y/C/A/H.AMP... -
Page 11: Y/C/Audio/Ccd/Head Amp Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(Y/C/AUDIO/CCD/HEAD AMP) CIRCUIT DIAGRAM ] Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC2412K R4041 1.8K FROM/TO POWER P.CON+5V W858 C4058_1 W818 6.3V FROM/TO I/O C4059 FRONT_AUDIO 0.1 F FRONT_VIDEO R4038 C4061 Y/C_AUDIO 680K 0.01 F... -
Page 12: Micon Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(MICON) CIRCUIT DIAGRAM ] MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO POWER POWER_FAIL2 SERVICE R1032 C1056 TP1001 0.1 F P.CON+5V AT+12V MOTOR_GND W901 C1034 CYL/LOADING MOTOR DRIVER 0.1 F IC1004 LB11880 C1035 C1078 C1007 R1029 220P CH 0.1 F... -
Page 13: Chroma/If Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(CHROMA/IF) CIRCUIT DIAGRAM ] CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) 11.0 FROM/TO MICON REG. R632 Q606 SPOT_H 220 2W AT+5V REG. KTC3203_Y Q603 AT+5V D608 KTC3203_Y AT+5V_BACKUP REG. REG. SB10-03A3 REG. Q602 Q605 Q604 OSD_R... -
Page 14: Sound Amp Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(SOUND AMP) CIRCUIT DIAGRAM ] SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO I/O SP_OUT SOUND+ SOUND_GND W814 FROM/TO MICON R359 TV_A_MUTE R353 TV_POWER_H C301 0.022 B FROM/TO POWER SOUND+B C357 0.022 B SOUND_GND FROM/TO CHROMA/IF... -
Page 15: Power Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(POWER) CIRCUIT DIAGRAM ] POWER SCHEMATIC DIAGRAM (SYSCON PCB) CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V (F501). 5A 125V ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE... -
Page 16: Deflection Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ SYSCON PWB(DEFLECTION) CIRCUIT DIAGRAM ] DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V.OUTPUT IC IC401 AN5522 THERMAL PROTECTION PUMP UP 25.9 12.5 26.3 W862 DRIVER Q402 KTA1281_Y D402 26.0 26.0 RMPG06J 25.0 TO DY CP401 B05B-DVS W857... -
Page 17: Crt Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ CRT PWB CIRCUIT DIAGRAM ] CRT SCHEMATIC DIAGRAM (CRT PCB) TP801 R802 12K 1W 126.5 BLUE AMP Q804_1 104.1 2SC4217 132.5 R807 127.5 127.5 2.7K 1/4W J801_1 HPS3200-010501 FROM CHROMA/IF CP851B (CP851A) 51048-1000 R811 CUT_OFF... - Page 18 TV-13142 TV-13142 TV-13142W TV-13142W [ OPERATION PWB CIRCUIT DIAGRAM ] OPERATION SCHEMATIC DAIGRAM (OPERATION PCB) L751 100uH Vout OS753 R778 R771 R772 R773 R774 R781 PIC-28143TE5 1.5K 2.7K 6.8K R775 R776 R777 R780 R782 R783 1.5K 2.7K 6.8K FROM/TO I/O...
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Page 19: Deck Schematic Diagram
TV-13142 TV-13142 TV-13142W TV-13142W [ DECK PWB CIRCUIT DIAGRAM ] DECK SCHEMATIC DIAGRAM (DECK PCB) LOADING MOTOR M101 S105 BOT SENSOR Q101 S106 RPT-38PB113 S101 S102 S103 S104 FROM/TO MICON CP101 (CP1006) 52044-0445 LDM+ LDM- PCB550 VE8851 CAUTION: SINCE THESE PARTS MARKED BY... - Page 20 TV-13142 TV-13142 TV-13142W TV-13142W WAVEFORMS DEFLECTION Y/C/AUDIO/CCD/HEAD AMP MICON 22 50.0V 20 s/div 17 0.5V 5ms/div 1 PB POWER ON 11 PB 0.5V 20 s/div 1.0V 20 s/div 0.5V 0.5ms/div 10.0V 5ms/div 50.0V 20 s/div POWER ON POWER ON 12 PB 0.5V 10ms/div...