JVC LT-40FH76, Service Manual

Page: 31 / 93

2-8(No.YA380) (No.YA380)2-7
c10413001b001_0117_1/6_0.0
R116
V3_VIN
C211
SCL3A5
SDA3A5
C206
CN002
R117
R132
R133
R134
R135
R230
C204
R257
R253
CN00U
C103
Q105
R249
CNCV2
R228
CNCV1
Q281
R281
R282
C261
C264
R241
R125
R243
CN00R
SDA3A
SCL3A
R251
R255
R286
R258
R259
V1_G_Y
V1_B_Cb
Q104
C102
D283
R236
IC104
C148
R124
R224
R222
C150
C151
R123
R206
Q107
D282
Q106
D281
R221
R126
HP_L
C149
R260
R127
R283
R261
R284
R128
R129
R285
C281
HP_GND
HP_R
HP_DET
R227
R226
Q110
R277
R262
R264
R207
R266
R263
R265
R267
Q111
Q112
V3_LIN
V3_RIN
R138
PC_R
Q109
C106
PC_G
IC103
PC_B
PC_HS
C144
C146
C147
PC_VS
C145
Q103
IC105
C152
C154
C155
C153
CN0UA
R269
R139
Q108
R223
R225
D105
C166
Q101
Q102
R105 R106
C101
C197
C198
R101
R102
R103
R104
DVI_L
DVI_R
R270
IC106
R268
R107
R108
R109
R110
R111
R112
R113
R114
R115
R119
R120
R121
R122
R197
R278
DIN_PHOTO
R130
R131
V2_LIN
V2_RIN
R276
R287
R118
V2_VIN
V1_R_Cr
R279
V1_RIN
V1_LIN
V1_VIN
V1_YIN
V1_CIN
V1_S
MON_R
MON_L
MON_V
MON_Y
MON_C
MON_SDC
M_MU
R280
CN001
C201
C202
R296
R295 R297
C583
C585
C586
C587
C588
C590
C589
X540
C547
C582
IC540
R541
C548
R298
CN0UV
R549
R546
R580
R544
R545
R543
C584
R542
R583
R582
R581
C591
Q540
C118
C207
C208
C209
C210
R584
R585
R586
R587
V3_R_Cr
V3_B_Cb
V3_G_Y
V2_YIN
V2_CIN
V2_S
R588
R589
C194
C195
C196
R272
R271
C125
C124
C121
R163
R162
R161
IC101
IC102
R164
C119
R165
C120
R166
C126
R167
C132
R181
C143
C142
R187
C135
C133
R186
C141
R189
C138
R184
R188
C173
C171
C170
C169
C172
R240
R242
R244
R250
R254
C176 C174
C175
R238
R239
R245
R246
R247
R248
R252
R256
C189
C168
C167
C186
C187
C177
C123
C122
C117
D101 D102
R169 R168
C131
C130
R237
C134
R182
MAIN_L
MAIN_R
C139
C263 C262
C136
C137
Q114
Q115
D290 C290
R290
R292
R193 R194
C184
R231
C185
Q113
R232
L101
R229
R288
R289
R293
R294
R183
R153
R154
R155
R586
R587
C207
R156
R584
R585
C208
R245
R246
R247
C209
C210
TV_R
TV_L
TV_MAIN
R198
M.PACK
MAIN_POW
R199 R200
R201
R208
C540
A_MUTE
TALK
DSP_RST
C161
AC_IN
POW_GOOD
MSP_RST0
BBOUT
C541
SUB_MUTE
B1_POW
C542
C543
C544
R273 R274
AFT1
C116
R195
C199 C200
C545 C546
C580 C549
LB_POW
R548
R540
R547 C581
R140 R141 R143 R144
R202
R146 R147
R148
R149 C107
R151
C108
R152
R153 R154
R155
R150
R157
R145
R156
R158
R159
R160
R235 R234
R142
C127 R177 C128 C129
R233
C156 C157 R211 C158 R212 R213 R216 R217 R218
C183 C182 C181
C178
D103 D104
R219 R220
C180 C179
R173
R203 R204
R291
SDA0A5 SCL0A5
C216 C217 C218 C219 C220
R209 R210
L104 L103 L102
C282 C283 C284
C285 C286 C287
R190 R191 R192
C291 C292 C293
/16
/16
B1
BS_LOUT
GND
GND
GND
GND
GND
BS_ROUT
BS_YOUT
BS_COUT
DIN_DR
DIN_DL
ML
YMAIN_GND
BYMIN
BYMINGND
RYMIN
SUB_VY
CLPH_Y1V
CLPH_Y2G
FBMIN
NC
CmpHS
CmpVS
GND
MR
GND
GND
GND
GND
GND
GND
GND
GND
YMIN
RYMINGND
QGF0508C1-40W
/16
B1
QGA1217C1-10X
/16
B1
QGA1217C1-04X
QGA1217C1-12X
/16
/16
QGA1217C1-09X
/16
B1
1SS355-X
MM1510XN-X
/16
/10
/16
2SK1374-X
1SS355-X
2SK1374-X
1SS355-X
/16
/16
/16
B1
MM1510XN-X
/16
/10
/16
/16
MM1510XN-X
/16
/10
/16
/16
U_R
GND
U_L
QGA1217C1-03X
OL-CX2046 OLLC08619
MA111-X
UN2213-X
UN2213-X
/16 CD4066BNS-X
QGF0508C1-50W
/16
/16
B1
CH
B1
LINE1-2
SYNC2-IN
DAC1
SDA
SCL
XTAL
VD1-IN
HD1-IN
Y3/G3-IN
Cb3/B3-IN
DAC2
Cr3/R3-IN
C-IN
Y-IN
B1
GND
CV
U
GND
Y
GND
V
GND
SLOW
GND
C
GND
QGA1217C1-13X
CH
/16
OLLC08607
B1
B1
B1
B1
/16
/16
/16
FBC_Y_OUT1
CVBS/Y_OUT1
OUT1_VCC5V
C_OUT1
OUT1_GND
CVBS/Y_OUT2
OUT2_VCC5V
FBC_Y_OUT2
C_OUT2
OUT2_GND
CVBS_OUT4
FBC_CVBS_OUT4
CVBS_OUT5
FBC_CVBS_OUT5
R1_OUT
L1_OUT
R2_OUT
L2_OUT
R3_OUT
L3_OUT
AU_O_VCC9V
R10_IN
L10_IN
NC
R9_IN
C3_DC
C_IN3
FBC_CVBS_OUT3
CVBS_OUT3
DRIVER_VCC5V
Y_OUT3
DC_OUT
C_OUT3
DRIVER_GND
CVBS_IN4
CVBS4
Y_IN4
C4_DC
C_IN4
INPUT_GND
CVBS_IN5
VREF
Y_IN5
C5_DC
C_IN5
CVBS5
COMP_Y_IN1
S5
COMP_Y_IN2
ATT_MON_OUT
R2S11004FT
FB_IN1
FB_DET_IN2
Y/G_IN3
COMP/RGB_T3
Cb/Pb/B_IN3
DC1
FB_IN2
COMP/RGB_T4
Cr/Pr/R_IN3
DC2
Y/G_IN4
INPUT_VCC
Cb/Pb/B_IN4
VREF
Cr/Pr/R_IN4
INPUT_GND
FB_IN3
DC3
Y_IN5
DC4
Cb_IN5
DC5
Cr_IN5
DC6 COMP_T5
VD_filter1
Clamp_driver1
Clamp_in1
Sync_slice1
VD_slice1
Y/G_OUT1
Sync2_GND
Cb/Pb/B_OUT1
HD_DET1
Cr/Pr/R_OUT1
OUT_VCC
HD_poldet1
INT_HD_OUT1
INT_VD_OUT1
Clamp_Pulse1_in
OUT_GND
Y/G_OUT2
SUB_GND3
Cb/Pb/B_OUT2
Sync_VCC1
Cr/Pr/R_OUT2
Sync1_GND1
INT_HD_OUT2
INT_VD_OUT2
Clamp_Pulse2_in
R2S11003FT
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16 /16
CH /16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16
/16 /16
/10
B1
/10
B1
CH
CH
NQL79GM-100X
B1 B1 B1
-02
OLLC09448 OLLC09448
INT GND SDA SCL
GND GND GND GND GND Y Cb Cr HD VD L R
D
G
S
/16
D
G
S
/10
B1
/16
KEY2
REMOCON
ONTIMER
BS_IR
SCL0 GND GND
TVLINK
POW_GOOD
AC_IN
LB_PR
LB_POW
MAINPOW
AUDIO_L B1_POW
CODECRST
[EXT_YS2]
EXT_YS1
DBS_LED1 DBS_LED2
STB3.3V STB3.3V A_MUTE
M_MUTE
POW_LED CARD_INT MECA_SW
AFT1
EE_CDS
MSP_RST
SDA3A SCL3A
CARD_DA DIN_PHOT
TEXT_FR
GND GND GND GND
TXET_FB MAIN_VY
SDA0 KEY1
STB_5V
[AUDIO_R}
REC_LED
AGC
CARD_CK
TEXT_FG
DEC_Y
/16
B1
Cr1/R1-IN
LINE3-1
Cb1/B1-IN
LINE2-1
Y1/G1-IN
LINE1-1
NC
SYNC1-IN Cb2/B2-IN Cr2/R2-IN
LINE3-2 LINE2-2
Y2/G2-IN
VD2-IN
HD2-IN ADDRESS SYNC-OUT VD-OUT HD-OUT Y-OUT Cb-OUT Vf0ADJ Cr-OUT
NC SYNC3-IN
/16
/16
L1_IN R1_IN P_EXP1 L2_IN R2_IN P_EXP2 L3_IN R3_IN AU_I_GND L4_IN R4_IN P_EXP3 L5_IN R5_IN AU_1/2_VCC L6_IN R6_IN AU_I_VCC9V L7_IN R7_IN P_EXP4 L8_IN R8_IN AU_O_GND L9_IN
FBC_Y_OUT3
Y_IN3
S3
CVBS_IN3
CVBS3
C_IN2
C2_DC
Y_IN2
S2
CVBS_IN2
CVBS2
C_IN
C1_DC
Y_IN1
INPUT_VCC5V
CVBS_IN1
CVBS_IN1_DET
Y_IN1_DET
CVBS_IN6
S4
CVBS_IN7
S1
CVBS1
SCLK
SDATA
SUB_GND1 Y/G_IN6 CL_Y2 Cb/B_IN6 CL_Cb2 Cr/R_IN6 CL_Cr2 G_IN7 MAIN_GND B_IN7 HD_IN_DET R_IN7 NC HD_IN2 VD_IN2 NC G_IN8 NC B_IN8 INPUT_GND2 R_IN8 NC NC SDATA SCLK
FB_DET_IN1
Cr/Pr/R_IN2
COMP/RGB_T2
Cb/Pb/B_IN2
COMP/RGB_T1
Y/G_IN2
CL_Y1 R_IN1
CL_Cb1
B_IN1
CL_Cr1
G_IN1
MAIN_VCC2
HD_IN1 VD_IN1
G_IN1_DET
FB_OUT1 FB_OUT2
Sync2_VCC
ATT_MON_OUT
VD_slice2
Clamp_driver2
Clamp_in2
Sync_slice2
VD_filter2
/16
/16 /16
/16 /16 /16
CH
/16 /16 /16
/16
/16
/16
D
G
S
D
G
S
/10 /10 /10 /16 /16
OPEN
0.1
4.7
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
4.7
0
0
2.2
OPEN
0
330
PNP
0.1
0.1
0
OPEN
0
0
0
33k
OPEN
0
OPEN
2.2
OPEN
1
OPEN
22k
OPEN
100
10
OPEN
5.6k
0
OPEN
10
100
OPEN
2.7k
56k
OPEN
OPEN
OPEN
47
OPEN
OPEN
PNP2
OPEN
100
100
5.6k
100
330
330
330
PNP2
PNP2
OPEN
PNP2
4.7
1
100
10
10
OPEN
1
100
10
10
OPEN
OPEN
OPEN
NPN
22k
10k
0.01
10k 10k
100
OPEN
OPEN
100k
100k
100k
100k
OPEN
OPEN
OPEN
OPEN
OPEN
0
0
0
OPEN
OPEN
OPEN
OPEN
0
0
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
100k
0.1
0.1
100k
100k 100k
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
1
0
0
OPEN
OPEN
OPEN
OPEN
OPEN
1
1
1
0
0
0
220k
1
220k
1
220k
1
220k
1
220k
0.1
0.1
0
1
1
OPEN
10
OPEN
0.01
220k
10k
68p
0.01
0.01
0.01
0.1
OPEN
OPEN
OPEN
OPEN
OPEN
0.01 330p
0.01
0
0
OPEN
OPEN
OPEN
10
0.1
0.1
OPEN
0.1
0.1
0.1
0.1
0.1
OPEN OPEN
100 100
0.1
47
0
1
OPEN
1
0.1 0.1
10
10
OPEN
OPEN
OPEN OPEN
OPEN
OPEN
OPEN 0
220p
33
82p
NPN
470
OPEN
82
82
82
0
270k
OPEN
OPEN
6.8k
6.8k
6.8k
OPEN
OPEN
OPEN
10k
2.2/16
10k
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
10k
10k
6.8k
0
0
OPEN
0
OPEN
OPEN
2.2/16
2.2/16
2.2/16
0 OPEN OPEN
OPEN
75
OPEN
.01
OPEN OPEN
OPEN
OPEN
OPEN OPEN
10
0
0.1 0.1
OPEN OPEN
OPEN OPEN OPEN
OPEN
OPEN OPEN
6.8k 6.8k 6.8k 6.8k
OPEN
6.8k 6.8k
OPEN OPEN 0.1 OPEN
47
OPEN 33k
33k
33k
0
0 0
OPEN OPEN
33k
1
OPEN
0.1 0.1
OPEN
0.01 0.01
0
0.01
0 0 OPEN OPEN OPEN
0.01 0.01 0.01
1
OPEN OPEN
100 100
0.1 47
OPEN
0 0
OPEN
10 10 10 1 1
75 75
OPEN OPEN OPEN
OPEN OPEN OPEN
OPEN OPEN OPEN
OPEN OPEN OPEN
OPEN OPEN OPEN
DTU_Cb
DTU_LIN
BS_A5V
DTU_Cr
V4_RIN
V4_LIN
V3__D
V1__D
AV_SW
V2__S2
TV_L
TV_R
DTU_Y
V1__S2
BS_A9V
GND
MON_R
MON_L
MON_V
MON_SDC
MON_Y
V2_RIN
V3__G_Y
V3__B_Cb
V3__R_Cr
V3_SL
V3_VIN
V3_LIN
V3_RIN
D
V2_LIN
V2_R_Cr
V2_SL
MON_SDC
V2_B_Cb
V2_G_Y
V2_VIN
V2_YS
MON_C
V2__YIN
V2__CIN
V2__S
V1_S
V1_G_Y
DBS_LED2
V1_B_Cb
V1_R_Cr
V1_YS
V1_RIN
V1_LIN
V1_SL
V1_VIN
D
V1_YIN
V1_CIN
V3_YIN
V1__D
V3__D
TV_LINK
V3_SL
DTU_Y
V1_SL
DTU_VIN
DTU_Cb
SDA3A
V2_SL
DTU_YIN
DTU_RIN
BS_A9V
GND
GND
V1_YS
DTU_Cr
PC_R
BS_A9V
PC_B
PC_G
V2_YS
PC_R
V3__R_Cr
GND
GND
V3__B_Cb
BS_A9V
GND
V3__G_Y
PC_HS
GND
V3_S
V3_CIN
V3_S2
MON
PC_B
PC_VS
PC_G
DTU_YIN
DTU_CIN
BS_A5V
SCL3A
STB_5V
GND
BS_A5V
GND
REC_LED
GND
DTU_LIN
DTU_RIN
GND
MECA_SW
SDA3A5
DIMMER
GND
BS_A9V
GND
GND
GND
DIN_L
GND
GND
SCL3A5
DIN_R
SCL3A
POW_LED
REMOCON
KEY2
DBS_LED1
VCC5
GND
STB3.3V
STB_5V
GND
EE_CDS1
GND
BS_A5V
KEY1
SDA3A
V3_CIN
GND
BS_A5V
BS_A5V
GND
DTU_VIN
GND
BS_A5V
GND
BS_A9V
GND
CARD_RIN
DIN_SR
CARD_LIN
GND
MAIN_VY
MAIN_C
SUB_C
BS_A5V
GND
MON_L
MON_R
BS_A5V
BS_A9V
GND GND
BS_A9V
GND
GND
BS_A9V
DTU_CIN
GND
V3_S2
MON_COUT
MON_VOUT
MON_YOUT
BS_A5V
GND
GND
GND
BS__IR
BS_A9V
GND
GND
BS_A5V
DIN_PHOTO
GND
GND
GND
BS_A5V
DTU2_RIN
DTU2_LIN
BS_A5V
SYNC1_IN
GND
BS_A5V
BS_A5V
GND
BS_A5V
BS_A9V
BS_A5V
GND
M.PACK
B1_POW
B1_POW
V1_R_Cr
DEC_Y
V1_VIN
DIMMER
V1_YIN
DEC_Y
MON_COUT MON_VOUT
CARD_LIN
REMOCON
MON_Y
SCL0
MON_C
SDA0
TV_R TV_L
SCL0
MAIN_VY
DIN_L
CARD_Y
REC_LED
SDA0
MON_YOUT
TV_MAIN
CARD_HD CARD_VD
EE_CDS1
TV_MAIN
DTU2_RIN
MON_V
TALK
TALK
POW_LED
CARD_Cb
TEXT_R
MECA_SW
KEY2
TEXT_G
CARD_RIN CARD_Cr
TEXT_B
CARD_DA
TV_LINK
POW_GOOD
AC_IN
V1_CIN
MAIN_POW
MSP_RST0
MAIN_POW
V2_VIN
AC_IN
POW_GOOD
MSP_RST0
BS__IR
TEXT_R
KEY1
DBS_LED1 DBS_LED2
V2_YS V1_YS
LB_POW0 DSP_RST
LB_POW0 DSP_RST
V2__YIN V2__CIN
V3_VIN
TV_MAIN
V3_YIN V1_B_Cb
V1_G_Y
PC_HS PC_VS
SUB_C MAIN_C
CARD_HD CARD_VD
DIN_PHOTO
DVI/DIN
DTU_RIN DVI/DIN TV_L TV_R DTU2_LIN DTU_LIN DIN_SL V1_LIN V1_RIN V2_LIN V2_RIN V3_LIN V3_RIN V4_LIN V4_RIN
TEXT_B TEXT_G CARD_Cr CARD_Cb CARD_Y
V2_G_Y V2_B_Cb V2_R_Cr
DIN_SR
V1_S
V1__S2
V2__S
V2__S2
V3_S
DIN_R
DIN_SL
CARD_CK
CARD_INT
CARD_DA CARD_CK CARD_INT
SHEET2
SHEET2
SHEET4
SHEET5
SHEET3
SHEET6
SHEET5
SHEET3
SHEET4
SHEET6
SHEET5
SHEET3,5,6
SHEET4
SHEET2
OPEN
SHEET3
LED PWB ASS'Y
CN200U
(SHEET25)
SW PWB ASS'Y
CN100R
(SHEET26)
SHEET5
DIGITAL PWB ASS'Y(1/16)
CN001 (SHEET7)
OPEN
DIGITAL PWB
ASS'Y (5/16)
CN002
(SHEET11)
CARD PWB ASS'Y (2/2)
CN8CV1 (SHEET29)
CARD PWB ASS'Y (1/2)
CN8CV2 (SHEET28)
ANALOG PWB ASS'Y (1/6)
LCA10637-02A (SFL-1212A)
CIRCUIT DIAGRAMS
ANALOG PWB CIRCUIT DIAGRAM (1/6) SHEET 1