JVC LT-32DA8BJ Service Manual

2-8(No.YA509)(No.YA509)2-7
MAIN PWB ASS'Y(1/3)
SFT-1003A-U2
[LT-26A80SU,LT-26A80ZU]
SFT-1001A-U2
[LT-26DA8BJ,LT-26DA8SJ,
LT-26DT8ZJ]
SFT-1008A-U2
[LT-26DA8SU,LT-26DA8ZU]
SFT-1004A-U2
[LT-32A80SU,LT-32A80ZU]
SFT-1002A-U2
[LT-32DA8SJ,LT-32DT8ZJ,
LT-32DA8BJ]
SFT-1010A-U2
[LT-32DA8SU,LT-32DA8ZU]
ggs10002001a001_0206_1/4_0.0
CN10U U
CN10U V
CN10U A
IC1005
Q1351
Q1352
R1358
IC1003
R7003
R7286
R7093
C1351
Q7007
C1352
C1354
C1356
K7002
R1327
R1311
R1312
R1316
R1320
R1324
R1325
R1326
R1351
R1352
R1353
R1354
R1355
R1356
R1357
R1360
R1359
R7029
Q7013
R7031
R7030
D1209
R7292
RA7001
R7082
R7081
C1215
C1216
C1217
C1218
C1219
C1220
Q1206
Q1207
R1222
R1221
R1224
R1223
R1225
R1227
R1226
R1229
R1228
R1230
R7033
R7060
R7073
R7068
390
10K
OPEN
75
OPEN
47K
47K
47K
47K
10K
10K
10K
1K
1K
DI
1K
0
OPEN
1K
OPEN
75
75
75
390
10K
10K
OPEN
OPEN
0
1K
390
75
10K
OPEN
OPEN
47K
47K
47K
47K
10K
10K
10K
1K
1K
1K
DI
0
OPEN
OPEN
1K
75
75
75
390
OPEN
OPEN
10K
10K
OPEN
0
3.3K
1K
3.3K3.3K
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
1K
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
1K
1K
OPEN
OPEN
0
OPEN
OPEN
0
OPEN
OPEN
0
0
0
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
1K
390
0
0
0
OPEN
OPEN
75
OPEN
OPEN
OPEN
3.3K
3.3K
1.5K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
75
1.5K
75
10K
75
OPEN
390
10K
10K
OPEN
0
1.5K
1.5K
OPEN
OPEN
0
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
390
75
10K
OPEN
OPEN
0
10K
OPEN
OPEN
10K
OPEN
OPEN
0
10K
OPEN
10K
OPEN
OPEN
OPEN
10K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
75
75
OPEN
75
390
OPEN
OPEN
OPEN
OPEN
OPEN
10K
10K
10K
OPEN
OPEN
47K
47K
47K
47K
10K
47K
10K
10K
47K
47K
1K
1K
47K
10K
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
1K
10K
10K
OPEN
OPEN
1K
DI
OPEN
1K
DI
1K
OPEN
0
0
OPEN
OPEN
OPEN OPEN
OPEN
OPEN
OPEN
1K
1K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
1K
0
0
0
0
0
0
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
1K
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN00
1K 1K
1K
3.3K
1K
3.3K
3.3K
47K
47K
47K
10K
47K
10K
10K
10K
47K
47K
47K
10K
47K
10K
10K
10K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
47K
47K
47K
47K
OPEN
OPEN
47K
10K
47K
47K
10K
47K
OPEN
OPEN
OPEN
10K
10K
10K
10K
OPEN
OPEN
10K10K OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
IC7001
C7001
C7002
C7003
C7004
C7005
C7006
C7007
C7008
R1311
C7101
C7023
R7102
D7021
C7016
IC7002
L7004
AUDIO.MUTE
C7010 C7009
C7017
CN10UV
C7030
Q7010
IC1001
C7027
L7017
L7016
L7013
C7022
IC1002
C7055 C7056 C7057
CN10UA
L7012
C7051
C7045
C7052
L7009
C7043 C7044
C7026
C7029
Q1210
C1305
C7021
C7020
C1304
L7002
C7019
C7018
C1205
Q1208
R1220
R1215 R1216
Q1203
Q1202
C1202
R7078
C7062
DINHOTP2
Q1201
R1217
LED_R
R1236
R7116
R1237
C7047
C1201
C1203
C7085
BL_ON_L
R1327
C7086
R1202
R1115 R1116
R1211
R7280
Q7013
R1324
R1326R1325
R1312
R1212
R1316
R1320
C1213
C1214
D1206
Q1103
C1204
Q1102
Q1101
R1117
D1205
C1306
C1212
C1211
C1210
D1201
R1204
C1207
J1003
R1203
Q7011
J1003
R1205
C1105
C1102
C1101
C1103
R1208
J1003
K1203
K1202
Q1204
Q1205
R1218
R1219
K1103
K1102
C1112
C1111
C1110
C1107
R1306
R1108
R1308
R1105
R1310
R1103
D1101
R1104
R1101
C1104
R7101
R1254
R1102
R1252
R1109
R1201
R1118
J1001
J1002
C1108
C1109
C1208
C1209
R7284
R7281
R7077
R7049
R7121 R7122
R1111
R1112
C1113
C1114
D1104
D1103
R1261
C7102
C1307
R1256
L7007
R7004
R7036
R7095
R7092
SCL1_5
R1258
R1255
D1252
D1251
C1251
R1251
R1253
Q7014
R7046
Q7009
R7111
R7112
R7114
R7113
R7115
D7022
C7015
CN10UU
R7058
R7285
R7055
R7054
R7045
R7041
R7042
R7142
C7038
R7048
SDA1_5
DTV_SW2
R7093
R7018
R7088
K7001
Q1209
R7086
R7091
R7017
C7032
C7031
R1110
Q7012
R7050
R1113
R1114
R1209
R1210
R1213
R1214
CLK_DV1
D1207
D1209
D1203
R7051
CN100U
C7210
SCL1
AGC
A_MU
SIF
AFT
M_L
M_R
R7043
R7044
R7090
Q7006
R7089
C7058
R7291
R7290
R7292
R7003
R7005
IC1003
Q1207
R1222
R7006
R7007
R7001
Q1206
R1226
R1229
R1225
R1224
R1223
R1230
R1228
R1227
R1221
C1216
C1217
IC1005
D1204
K1101
K1201
C7011
C7012
L7001
CN10C1
C1106
C1206
C1218
C7014C7013
C1219
C1215
C1220
D1221
D1222
R7087
C7028
R7002
CN10C2
R1107
R1106
D1102
D1202
R1207
R1206
SDA1
R7008
R7009
R7132
R7131
C7033
IC7003
C7131
C7034
RA7001
C7054
R7084
R7085
RA7004
RA7003
RA7002
L7011
R7064 R7065
C7046
D7007
L7018
C7048
C7049 C7050
PROTECTOR
HP_R
HP_L
DIN_PHOTO
DIN_INT
Q7007
Q7004R7072
R7071
R7075
C7042
Q7003
R7067
R7066
R7070
C7041
R7033
Q7015
R7032
R7047
Q7005
D1208
R1231
R1232
L7008
R1235
LC7001
A_DIM
PWM_DIM
BL_ON
VD_DV1
DE_DV1
DV1_R7
DV1_R6
DV1_R5
DV1_R4
DV1_R3
DV1_R2
DV1_R1
DV1_R0
DV1_Y7
DV1_Y6
DV1_Y5
DV1_Y4
DV1_Y3
DV1_Y2
D
V
1
_
Y
1
DV1_Y0
DV1_B7
DV1_B6
DV1_B5
DV1_B4
DV1_B3
DV1_B2
DV1_B1
DV1_B0
CLK_DV1
VD_DV1
DE_DV1
DV1_R7
DV1_R6
DV1_R5
DV1_R4
DV1_R3
DV1_R2
DV1_R1
DV1_R0
DV1_Y7
DV1_Y6
DV1_Y5
DV1_Y4
DV1_Y3
DV1_Y2
D
V
1
_
Y
1
DV1_Y0
DV1_B7
DV1_B6
DV1_B5
DV1_B4
DV1_B3
DV1_B2
DV1_B1
DV1_B0
Q7001
LB_POW
C1351
R1357
R1358
R1353
R1354
R1359
C1356
Q1352
Q1351
C1352
C1355
R1351
R1352
C1354
C1353
R1356
R1355
R1360
MP_SW
CN00LV
R7081
Q7016
R7034
R7080
R7079
C1221
J1003
R1305
R1307
R1309
J1003
R1302
R1304
R1301
R1303
D7001
D7002
D7003
D7004
D7005
D7006
BL_5060A
BL_5060
R7023
R7021
DIN_HOTP
DIN_RST
MB_RES
D7024
D7023
Q7002
D7026
D7027
D7028
D7029
D7030
R7053
L7006
L7005
R7099
X7001
C7024
C7025
C7065 C7066
R7059
C7067
R7098
C7068 C7069 C7070 C7077
HD_DV1
C7071 C7072
C7084 C7081 C7082 C7083
IDTV_RST
L7003
R7026
D7009
C7037
C7059
C7063
D7010 D7011 D7013
K7006
C7209
C7087 C7088 C7089
L7015
C7064
C7060
L7014
C7061
R7013 R7014
R7083 R7082
C7076
C7080
C7073 C7074
C7036 C7035
R7019
D7014
R7015 R7016
C7075
D7015 D7016
RA7007
R7141
RA7008
D7017 D7018
R7056
R7069
R7052
R7029 R7030
R7024
R7094 R7022 R7020 R7035
R7010 R7011
C7079
R7012
Q7008
R7039 R7040
R7027
R7031
TV_CV
K7002 K7003
C7078
D7019
R7286
D7020
LCD_POW
D7012 D7008
K7004
KEY
K7005
R7025
R7060
R7061
R7062
R7063
C7040
R7073
R7074
R7068
R1234
R1233
MAIN_POW
C7039
DIN_DR
DIN_DL
R7282
L7010
R7283
HP_MU
D7025
R7037
PFC_POW
.33
.33
.33
.33
.33
.33
.33
.33
*
.1
10/6.3
10
OPEN
.1
L10
.1/16 3.3
56p
*
10/6.3
10/6.3
L10 L10
L4.7
.1
.1 .1
10/6.3
*
L10
.1
.1
10
.1 10/6.3
.1
.1
OPEN
10/6.3
.1
OPEN
L10
10/6.3
.1
1/16
PNP
10k
82K 82K
100
OPEN
.1/16
PNP
100k
4.7k
OPEN
OPEN
OPEN
10
10
.1
*
OPEN
75
82k 82k
390
10K
*
*
**
*
390
*
*
10
10
OPEN
.1/16
PNP
100k
OPEN
.0047
.0047
.0047
.0047
OPEN
75
.0047
75
75
1/16
100
10
10
75
NPN
NPN
10k
10k
.0047
.0047
.0047
.0047
75
75
75
75
75
75
OPEN
75
75
.1/16
1K
10K
75
10K
2.2k
75
4.7k
OPEN
OPEN
.0015
.0015
OPEN
OPEN
OPEN
OPEN
4.7k 4.7k
390
390
10
10
ZD8.2
ZD8.2
10K
.01
.0047
15K
L10
OPEN
OPEN
1K
OPEN
220
10K
ZD6.8
DI
47
4.7k
1K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
10
*
100
OPEN
220
220
0
1k
0
OPEN
150p
OPEN
*
82k
100K
220K
100
100k
.1
.33
2.2k
OPEN
10k
33k
33k
2.2K
2.2K
33K
33K
DI
*
ZD5.6
10k
OPEN
10k
10k
OPEN
OPEN
OPEN
OPEN
OPEN
10K
*
*
OPEN
*
*
*
OPEN
OPEN
0
*
*
*
*
*
*
*
*
*
*
*
*
*
ZD5.6
0
10
.1/16
L10
OPEN
OPEN
OPEN
*
.001.001
*
*
*
ZD8.2
ZD8.2
1.2k
10
0
12k
18k
ZD3.6
ZD3.612K
18K
0
0
100
100
OPEN
1
OPEN
*
.1
6.8k
68k
RA0
RA0
RA0
L10
1k 0
.1
OPEN
OPEN
.1
.1 10
*
NPN
47k
10k
1k
.1/16
NPN
10K
10K
0
OPEN
*
OPEN
OPEN
OPEN
DI
OPEN
56K
15K
*
*
*
*
*
*
*
*
*
*
1
*
*
*
1
*
*
*
*
OPEN
OPEN
OPEN
OPEN
100/16
0
0
0
33K
33k
2.2K
2.2K
ZD8.2
ZD8.2
ZD8.2
ZD8.2
ZD8.2
ZD8.2
0
0
NPN
ZD5.6
ZD5.6
ZD5.6
ZD5.6
ZD5.6
2.7k
L10
L10
1.8k
22p 22p
.1 .1
1k
.1
0
.1 .1 .1 .1 .1 .1
.1
10/6.3
.1
10/6.3
L10
10k
ZD3.6
10
10/6.3
10/6.3
ZD3.6 ZD3.6 ZD3.6
OPEN
OPEN OPEN OPEN
L10
.1
.1
L10
.1
2.7K 2.7K
OPEN
*
.1
.1
.1 .1
.1 .1
0
ZD3.6
220 220
.1
ZD3.6 ZD3.6
1.8k
ZD3.6 ZD3.6
10K
OPEN
2.7k
* *
10k
0 220 220 1.5K
10k 1k
.1
1k
10k 10k
10k
*
*
.1
ZD3.6
*
ZD3.6
ZD3.6 ZD3.6
10k
*
OPEN
OPEN
OPEN
.1
*
OPEN
*
56K
100K
10
OPEN OPEN
OPEN
GND
5V
E3_L
SIF
E2_L
SC_YS2
E3_R
E2_R
E3_R
RESET
SCL0
8V
E3_L
DIN/D_L
L_OUT
DIN/D_R
E1_R
E1_L
R2_OUT
L2_OUT
R_OUT
LCD5V
L_OUT
LCD5V
GND
M_R
POWER_G
M_L
DINHOTP2
STB3.3V
V2_OUT
STB3.3V
GND
E2_L
STB3.3V
GND
MP_SW
SCL1_5
E1_R
STB3.3V
SDA0
L2_OUT
R2_OUT
SCL1_5
SUB_MUTE
E2_CV/Y
PROTECTOR
SDA1_5
REMOCON
GND
STB5V
STB3.3V
STB5V
SCL1
TV_LINK
AUDIO.MUTE
SCL1_5
SDA1
PROTECTOR
AUDIO.MUTE
R_OUT
TV_CV
GND
SDA1_5
GND
LCD5V
E1_CV
E1_L
E2_R
AUDIO.MUTE
TMS
TDO
TCLK
TDI
DB_RESET
SLOW2
24V
LED_GND
DTV_SW2
DINHOTP2
AFT
STB3.3V
BUS1
SDA1_5
SDA1
AGC
A_MU
SIF
M_L
M_R
STB5V
SCL1
1.8F
SC_R2/C
SLOW1
SC_G2
STB3.3V
SC_B2
LED_R
GND
HP_L
GND
STB3.3V
SC_B1
HP_R
SC_G1
HP_L
HP_R
SC_R1
GND
SC_YS1
VCC3D
GND
LCD5V
DIN_PHOTO
DIN_INT
VCC3D
GND
LCD5V
POW_LED
LCD5V
VCC3D
GND
1.8D
STB3.3V
GND
VCC3D
VD_DV1
DE_DV1
CLK_DV1
DV1_R7
DV1_R6
DV1_R5
GND
STB3.3V
GND
GND
D_L
MP_S
GND
DIN/D_ L
GND
VCC3D
GND
9V
GND
GND
STB3.3V
GND
D_R
DTV_SW
GND
D_L
GND GND
GND
GND
BUS1
E3_Y
E3_PB
E3_PR
GND
GND
GND
GND
SDA0 D_L D_R
TXD SCL1
TV_CV
SDA1
SUB_MUT
SC_B1
POWER_G
D_RY
HD_DV1
V2_OUT
E3_PR
SC_G1
SC_R1
SC_YS2
E3_PB
E3_Y
IRQ
SC_R2/C
D_CV
D_BY
D_Y
TV_CV
DIN_PHOTO
TV_LINK
SLOW2
D_BY
RXD
AGC
SLOW1
A_MU
RESET TDO TDI TXD D_CV RXD
DIN_INT
IRQ TMS REMOCON
AFT
TCLK D_Y POW_LED LED_R
SC_B2
SC_G2
SC_YS1
SCL0
DV1_B0 DV1_B1 DV1_B2 DV1_B3 DV1_B4 DV1_B5 DV1_B6 DV1_B7 DV1_Y0 DV1_Y1 DV1_Y2 DV1_Y3 DV1_Y4 DV1_Y5 DV1_Y6 DV1_Y7 DV1_R0 DV1_R1 DV1_R2 DV1_R3 DV1_R4
D_RY
E1_CV
E2_CV/Y
DIN/D_R
SCL1
DTV_SW2 D_R
SDA1
HD_DV1
DTV_SW
AUDIO SW
[only LT-26DA8BJ/SU/ZU,
LT-32DA8BJ/SU/ZU]
AUDIO SW
[only LT-26DA8BJ/SU/ZU,
LT-32DA8BJ/SU/ZU]
SHEET 2
SHEET 2
OPEN OPEN
DIGITAL TUNER
UNIT
[DA8/DT8 SERIES ONLY]
DIGITAL TUNER
UNIT
[DA8/DT8
SERIES ONLY]
DIGITAL TUNER
UNIT
[DA8/DT8 SERIES ONLY]
DIGITAL
INPUT
BLOCK
SHEET 2
SHEET 2
SHEET 3
SHEET 2,3
SHEET 2
SHEET 2
SHEET 2
SHEET 2
SHEET 2,
DIGITAL INPUT
BLOCK
DIGITAL INPUT
BLOCK
DIGITAL INPUT
BLOCK
SHEET 3
SHEET 3
DIGITAL INPUT
BLOCK
LED PWB ASS'Y
CN80U1
(SHEET 5)
LCD PANEL UNIT
[CONTROL PWB]
DIGITAL
INPUT
BLOCK
EXT-1
EXT-3
EXT-2
MICROCOMPUTER/
TELETEXT DECODE/
IF PROCESS/
VIDEO PROCESS/
AUDIO PROCESS/
AV SELECT/
RGB PROCESS/
A-D CONVERT/
LVDS
MEMORY
NOTE : Refer to the part list for the part number of IC7003.
Y3
PB3
PR3
L3
R3
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/3) SHEET 1

JVC LT-32DA8BJ Specifications

General

Brand	JVC
Model	LT-32DA8BJ
Category	LCD TV
Language	English