Table of Contents
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SCHEMATIC DIAGRAMS
LCD FLAT TELEVISION
POWER
SLEEP SUB CH V.STATUS SOUND
1
2
3
4
5
6
7
8
9
TUNE
RETURN+/TV
0
V1
V2
V3
V4
MUTING
CH+
V5
FAV.
VOL
VOL
Ð
+
CHÐ
ML/MTS DISPLAY
C.C.
ASPECT
MENU
BACK
GUIDE
OK
RM-C1291
TV
LT-32E478
LT-42E478
CD-ROM No.SML200704
COPYRIGHT © 2007 Victor Company of Japan, Limited.
,
/S
/V
BASIC CHASSIS
FN
No.YA512
2007/4
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Summary of Contents for JVC LT-32E478/S
- Page 1 SCHEMATIC DIAGRAMS LCD FLAT TELEVISION LT-32E478 LT-42E478 CD-ROM No.SML200704 BASIC CHASSIS POWER SLEEP SUB CH V.STATUS SOUND TUNE RETURN+/TV MUTING FAV. Ð CHÐ ML/MTS DISPLAY C.C. ASPECT MENU BACK GUIDE RM-C1291 No.YA512 COPYRIGHT © 2007 Victor Company of Japan, Limited. 2007/4...
- Page 2 LT-32E478 LT-42E478 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
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Page 3: Table Of Contents
CIRCUIT DIAGRAMS ..................2-7 DIGITAL PWB CIRCUIT DIAGRAM ......................2-7 ANALOG PWB CIRCUIT DIAGRAM ......................2-17 POWER PWB CIRCUIT DIAGRAM [LT-32E478/S] ................... 2-21 POWER PWB CIRCUIT DIAGRAM [LT-42E478/V] ................... 2-23 SW PWB CIRCUIT DIAGRAM ......................... 2-27 LED PWB CIRCUIT DIAGRAM ......................... 2-28 PATTERN DIAGRAMS ................ -
Page 4: Wiring Diagram
WIRING DIAGRAM CONTROL PWB [included in the LCD PANEL UNIT ] INVERTER PWB [included in the LCD PANEL UNIT ] LT-42E478 ONLY CN0DDC CN0LV1 CN0ADC CN1FFC CN0FFC TUNER DIGITAL PWB SW PWB LT-32E478 ONLY F9001 250V/6.3A CN001 ANALOG PWB POWER PWB CN0FFC SPEAKER(L) SPEAKER(R) -
Page 5: Block Diagram
BLOCK DIAGRAM IC5004 DIGITAL PWB AUDIO SELECT ATSC_L_IN TU2001 AUDIO_OUT IC2101 ATSC_R_IN ATSC/ANALOG MTS DECODE TUNER IC5001 ATSC DECODE/VIDEO SELECT/ A-D CONVERT A-D CONVERT/3D YC SEPARATE/ VIDEO_OUT TU_FAT_IF COLOR DEMOD./VIDEO SCALING/ NOISE REDUCTION/DIGITAL AUDIO PROCESS AUDIO_L_OUT XI_I2S AUDIO_L_OUT IC5002 IC5003 ATSC DECODE D-A CONVERT AUDIO AMP... -
Page 6: Circuit Diagrams
DIGITAL PROCESS BLOCK C2123 R2025 R2125 DGND DGND TGND TGND R2124 L2101 OPEN LC2001 Q2104 OPEN R2122 R2123 C2124 C2126 R2028 OPEN 1.5K OPEN OPEN DIGITAL PWB ASS'Y (1/5) DGND DGND TGND TGND TGND SFN0D001A-M2 [LT-32E478/S] SFN0D002A-M2 [LT-42E478/V] c10517001a_0205_2/7_0.0 (No.YA512)2-7 2-8(No.YA512) - Page 7 DIGITAL PROCESS BLOCK AD_VSYNC C4019 R4022 XI_DVI_VD 3.3VD_XI AD_HSYNC R4021 XI_DVI_HD DIGITAL INPUT BLOCK, AGND DIGITAL PROCESS BLOCK AD_DCLK R4018 R4020 OPEN XI_DVI_CLK R4019 DGND R4045 OPEN AGND DGND DGND DIGITAL PWB ASS'Y (2/5) SFN0D001A-M2 [LT-32E478/S] SFN0D002A-M2 [LT-42E478/V] c10517001a_0205_4/7_0.0 (No.YA512)2-9 2-10(No.YA512)
- Page 8 DIGITAL PWB CIRCUIT DIAGRAM [JCC5057] (3/5) SHEET 3 SHEET 5 DIGITAL PWB ASS'Y (3/5) 3.3VD_57 SFN0D001A-M2 [LT-32E478/S] SHEET 5 RA6008 OPEN C6016 SFN0D002A-M2 [LT-42E478/V] 3.3VD_57 SHEET 5 CN00C1 RA6009 IC6002 OPEN DGND R6059 OPEN FRAME MEMORY TP6012 3.3VD_57 CN0PC1 OPEN...
- Page 9 DIGITAL PROCESS BLOCK AUDIO AMP R5034 OPEN R5040 AGND DGND C5035 R5041 R5055 C5020 C5022 10/10 AUDIO_R_OUT R5042 1.2K R5048 1.5K R5051 4.7K R5050 C5019 OPEN R5043 9.1K AGND DIGITAL PWB ASS'Y (4/5) SFN0D001A-M2 [LT-32E478/S] SFN0D002A-M2 [LT-42E478/V] c10517001a_0205_5/7_0.0 (No.YA512)2-13 2-14(No.YA512)
- Page 10 DIGITAL INPUT BLOCK 3.3VD_A SHEET 4 K7016 CORE 3.3VD_57 SHEET 3 DGND DGND DIGITAL PWB ASS'Y (5/5) K7021 CORE 1.5VD_57 SHEET 3 SFN0D001A-M2 [LT-32E478/S] IC7002 SFN0D002A-M2 [LT-42E478/V] DGND DGND K7017 K7018 CORE CORE 1.8VD_XI DIGITAL PROCESS BLOCK C7012 C7011 K7019 0.33...
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Page 11: Analog Pwb Circuit Diagram
ANALOG PWB CIRCUIT DIAGRAM (1/2) SHEET 6 ANALOG PWB ASS'Y(1/2) SFN-1001A-M2 [LT-32E478/S] AU_9V SFN-1002A-M2 [LT-42E478/V] C6626 OPEN R662 3 OPEN L6103 AU_VCC C6621 ATSC_ROUT C6123 C612 6 C6122 R6621 .3 3 C612 5 Y7011 0.22 L6104 OPEN C665 1 R6622... - Page 12 ANALOG PWB CIRCUIT DIAGRAM (2/2) SHEET 7 ANALOG PWB ASS'Y(2/2) SFN-1001A-M2 [LT-32E478/S] D9654 C930 2 OPEN 0.1/25 0.1/2 5 C930 3 OPEN 0.1/25 0.1/2 5 L9652 C930 4 OPEN 0.1/25 0.1/2 5 SFN-1002A-M2 [LT-42E478/V] R9654 D930 2 OPEN R930 2 OPEN 4.7k...
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Page 13: Power Pwb Circuit Diagram [Lt-32E478/S]
POWER PWB CIRCUIT DIAGRAM [LT-32E478/S] SHEET 8 K9512 INVERTER PWB K9513 [LCD PANEL UNIT ] K9514 CN9IN1 CN9IN2 K9515 CN9PC1 INVERTER PWB GND5 GND1 [LCD PANEL UNIT ] GND5 C9512 L9501 OPEN Y9001 OPEN FC9001 FC9002 C9002 R9006 Y9002 C9513... -
Page 14: Power Pwb Circuit Diagram [Lt-42E478/V]
POWER PWB CIRCUIT DIAGRAM (1/2) [LT-42E478/V] SHEET9 FC9001 FC9002 F9001 TH9001 CN90PW LF9001 LF9002 LF9003 POWER VA9001 C9002 R9008 CORD OPEN C9001 R9001 CP9501 375V R9533 C9006 C9009 R9531 C9010 120k R9534 R9535 C9013 C9014 RY9001 RY9002 R9536 D9001 Y9202 C9008 OPEN D9002... - Page 15 POWER PWB CIRCUIT DIAGRAM (2/2) [LT-42E478/V] SHEET 10 INVERTER PWB [LCD PANEL UNIT CN9IN1 CN9IN2 OPEN CN9PC1 GND5 INVERTER PWB [LCD PANEL UNIT] C9561 L9551 Y9552 OPEN C9531 OPEN GND5 PFC_POW GND3 GND2 R9501 Y9551 STB_5V SHEET9 C9501 K9501 MAIN_POW R9575 SHEET 9 375V...
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Page 16: Sw Pwb Circuit Diagram
SW PWB CIRCUIT DIAGRAM SHEET 11 LED PWB CIRCUIT DIAGRAM SHEET 12 LED PWB ASS'Y SFN-8001A-M2 SW PWB ASS'Y S7707 SFN-7001A-M2 C8055 R8017 R8016 R8015 R8014 OPEN CN7CTR R7705 Q8005 R7706 R7709 ANALOG PWB CN8LED (1/2) CN1CT S7703 S7702 S7701 SHEET 6 C8056 Q8009... -
Page 17: Pattern Diagrams
PATTERN DIAGRAMS DIGITAL PWB PATTERN [SOLDER SIDE] C1186 IP00C1-1 IP00C1-2 IP00C1-3 C1185 IP00C1-4 IP00C1-5 C1184 IP00C1-6 C6012 R6020 R6018 L6001 R6019 C8016 IP0PC1-1 R6021 C6006 IP0PC1-2 R6022 R6103 IP0PC1-3 R6050 IC6003 IP0PC1-4 IP0PC1-5 IP0PC1-6 R6023 R6043 R6049 R3218 R6067 IP0PC1-7 R6024 R6042 R6048... - Page 18 DIGITALPWB PATTERN [PARTS SIDE] C8003 C8004 C8006 C8005 LC1005 C8019 C8020 R1089 D1002 D1001 LC1003 R1088 C8021 D1004 D1003 LC1004 IC1006 C7017 C7016 LC1025 R6037 R6036 LC1006 C8001 LC1024 R6007 R6008 C8007 IC7002 C8022 R6006 C8026 C7014 R6005 C8040 R6060 C8041 R6061 K7017...
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Page 19: Analog Pwb Pattern
ANALOG PWB PATTERN [SOLDER SIDE] C9767 C9758 C9611 CP9901 C9811 C9810 C9702 (No.YA512)2-33 2-34(No.YA512) - Page 20 ANALOGPWB PATTERN [PARTS SIDE] D4032 C4034 C4032 CN1ADC CN1FFC C4031 Q4033 C4033 C9207 C9206 C9205 R9703 L9702 C4024 C9704 C9705 D9702 C4022 D9703 C9771 D9701 D9654 C4014 C9710 R7098 C9709 C4012 R9711 C9701 R7097 C9653 D9656 C4018 R7101 C9654 D9652 R9657 C4017 R9658...
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Page 21: Power Pwb Pattern [Lt-32E478/S]
POWER PWB PATTERN [LT-32E478/S] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). RY9001 Q9001 W9503 W9202 Y9004 W9502 Y9003 W9404 R9003 W9501 W9403 W9201 R9201 R9201 C9530... -
Page 22: Power Pwb Pattern [Lt-42E478/V]
POWER PWB PATTERN [LT-42E478/V] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). W9302 Y9754 W9301 Y9751 D9555 Y9753 R9535 W9702 W9601 L9754 H9001 R9536 C9010 Y9752 R9568 C9755 C9753 R9537... -
Page 23: Voltage Charts
VOLTAGE CHARTS WAVEFORMS <DIGITAL PWB> [P.2-7 - P.2-8] [P.2-13 - P.2-14] MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE DIGITAL PWB(1/5) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) - Page 24 Victor Company of Japan, Limited Display category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA512) Printed in Japan...