JVC LT-40FH76 Service Manual page 41

DIGITAL PWB CIRCUIT DIAGRAM (5/16) SHEET 11
OPEN
3DYC_C
SHEET16
EXT3DON EXT3DON
3DYC_V
OPEN
3DYC_Y
SHEET21 MAIN_CCD
SUB_CCD1
BS_LOUT
BS_ROUT
SHEET18 BS_YOUT
BS_COUT
ML
MR
BS_COUT_1
BS_YOUT_1
BS_ROUT_1
BS_LOUT_1
CN012
DIN_DR
GND
DIN_DL
GND
ILA
CmpVS
CmpHS
GND
GND
GND
GND
CLPH_Y2G
FBMIN
CLPH_Y1V
GND
OPEN
GND
SUB_VY
RYMINGND
RYMIN
BYMINGND
BYMIN
YMIN_GND
YMIN
GND
BS_LOUT
GND
BS_ROUT
GND
BS_YOUT
GND
BS_COUNT
GND
ML
GND
MR
CN002
MR
GND
ML
LCD GND
BS_COUT
GND
BS_YOUT
GND
BS_ROUT
GND
BS_LOUT
GND
YMIN
YMIN_GND
BYMIN
BYMIGND
RYMIN
RYMINGND
ANALOG PWB SUB_VY
GND
ASS'Y(1/6)
GND
CN002
CLPH_Y1V
FBMIN
(SHEET1)
CLPH_Y2G
GND
GND
NC
GND
GND
CmpHS
CmpVS
GND
DIN_DL
GND
DIN_DR
GND
BS_5V
K8781
IC8781
OPEN
OPEN
R8786
OPEN
A G
YMIN_3
Y1 G
R8787
OPEN
Y0 INH
VCC COM
C8782 OPEN
IC8782
GND
OPEN
R8788
OPEN
A G
BYMIN_3
R8789
Y1 G
OPEN
R8790
Y0 INH
OPEN
3DYC_C_1
VCC COM
R6221
MR_1
C8783 OPEN
C6221 LC6221 GND
OPEN OPEN IC8783
CH
BS_5V OPEN
R6222 R8791
ML_1
OPEN
A G
C6222 LC6222
C8781
OPEN OPEN RYMIN_3
CH
OPEN
R8783
R6223 Y1 G
OPEN
R8792
GND
OPEN
C6223 LC6223
Q8782 Y0 INH
OPEN OPEN
CH
OPEN
R6224
R8784 VCC COM
OPEN
R8782
C6224 LC6224
OPEN
OPEN OPEN
CH
Q8781
OPEN
R6225 C8784 OPEN
R8785
R8781
OPEN OPEN
C6225 LC6225 GND
OPEN IC8784
CH
OPEN
GND GND GND
R8793
R6226
OPEN
A G
C6226
LC6226 SUB_VY_3
OPEN CH R8794
Y1 G
OPEN
GND R8795
Y0 INH
OPEN
3DYC_Y_1
VCC COM
C8785 OPEN
GND
BS_5V
R6280
YMIN_2
R6201
YMIN R6281
0 Q6201
C6201 LC6201
OPEN OPEN
CH
R6202 GND
BYMIN 0
BS_5V
C6202 LC6202
OPEN OPEN
CH
R6236
R6203
RYMIN 330
0
C6203 LC6203 R6235 100
OPEN CH OPEN
YMIN_1
Q6203
C6236
2SA1022/BC/-X
R6204 0.1/16
SUB_VY 0
GND
R8796
0
C6204 LC6204 BS_5V YMIN_4
OPEN CH OPEN
R6239
R8797
330 0
BYMIN_4
R6206
OPEN R6238 100
C6206 LC6206
BYMIN_1
OPEN OPEN
CH Q6204
C6237
2SA1022/BC/-X
GND 0.1/16 R8798
0
RYMIN_4
BS_5V
R6242
330
R6241 100
RYMIN_1
Q6205
2SA1022/BC/-X C6238
0.1/16
GND
BS_5V
R6282
SUB_VY_2
R6283
R8799
Q6202
0
R6207 SUB_VY_4
0
C6207 LC6207
OPEN CH OPEN
GND
BS_5V
R6208
C6208 LC6208
R6245
OPEN CH OPEN
330
R6209
0 R6244 100
C6209 LC6209
OPEN CH OPEN
Q6206
2SA1022/BC/-X C6239
R6210
OPEN 0.1/16
GND
C6210 LC6210
OPEN
OPEN CH
R6211 OPEN
R6212
R6213
OPEN
C6212 LC6212
OPEN CH OPEN
R6214
0
C6213 LC6213
OPEN OPEN
CH
R6215
0
C6214 LC6214
OPEN OPEN
CH
R6216
0
R6297 R6298
C6215 LC6215
DIN_DL_1
OPEN CH OPEN 0 0
R6217
DIN_DR_1
0
C6216 LC6216
OPEN
OPEN CH
GND
DIGITAL
SHEET10
INPUT
BLOCK
DIGITAL PWB ASS'Y (5/16)
LCA10599-72A (SFL-0D152A)
R6291
R6292
BS_5V
K6250
NRSA02J-0R0X
B1 C6250
10 /10
C6251
0.1/16
IC6250
UPC5702GS-027-X
CLUMP1
CLUMP4
VCC VCC
OUT1 OUT4
R6278
GND GND
OPEN
PWM1 PWM4
DCLUMP1
DCLUMP4
GND GND
R6279
CLUMP2
CLUMP3
0
VCC VCC
OUT2 OUT3
GND GND
PWM2 PWM3
R6252 0 R6253
C6252
10 /10 2.2k
B1 YMIN_5 YMIN_6
R6254 150
R6255
4.7k
R6256 0 R6257
C6253
10 /10 2.2k
B1 BYMIN_5 BYMIN_6
R6258 150
R6259
4.7k
R6260 0 R6261
C6254
10 /10 2.2k
B1 RYMIN_5 RYMIN_6
R6262 150 R6263
4.7k
R6264 0 R6265
Q6250
NPN R6248
R6250
10k
47k
OPEN SUB_VY_6
R6266 220 R6267
C6249
1 /10
4.7k
Q6251
NPN R6251
R6249
0
33k
C6255
10 /10
SUB_VY_5 GND
B1
SHEET16 SHEET22
(No.YA380)2-27 2-28(No.YA380)
YMIN_EAD
BYMIN_EAD
RYMIN_EAD
LB_POW
JCC5060
BS_5V
L6266 L6256 L6255 L6265 IC6001
C6294
C6295
NBZ0007-107X
NBZ0007-107X
ADY2G_DVDD ADCY2G
B1 B1
C6268
0.1/16
47K C6296 C6297
ADY2G_DGND ADCY2G
10 /10 10 /10
ADY2G_AVDD1 ADCY2G
L6257
GND R6230
K6261 ADY2G_AVDD2 ADCY2G
0
NQR0489-002X C6269 OPEN
C6298 ADY2G_IN ADCY2G
47k ADY2G_IN OPEN
OPEN ADY2G_IB ADCY2G
GND
ADY2G_IBG ADCY2G
GND B1
ADY2G_VRT ADCY2G
C6273
ADY2G_VRB ADCY2G
0.1/16
ADY2G_VCOM ADCY2G
K6265
NRSA02J-0R0X
ADY2G_AGND1 ADCY2G
C6230
ADY2G_AGND2 ADCY2G
OPEN
PWM_Y2G
PWM_Y2G ADCY2G
CLPH_Y2G
CLPH_Y2G ADCY2G
ADC1B_DVDD ADCC1B
C6274
K6262
0.1/16
ADC1B_DGND ADCC1B
ADC1B_AVDD1 ADCC1B
L6258
R6231
ADC1B_AVDD2 ADCC1B
0
ADC1B_IN C6275 OPEN
ADC1B_IN ADCC1B
OPEN
ADC1B_IB ADCC1B
K6272
B1 ADC1B_IBG ADCC1B
ADC1B_VRT ADCC1B
C6279
ADC1B_VRB ADCC1B
0.1/16
ADC1B_VCOM ADCC1B
K6266
NRSA02J-0R0X
ADC1B_AGND1 ADCC1B
C6231
ADC1B_AGND2 ADCC1B
PWM_C1B OPEN
BS_5V
PWM_C1B ADCC1B
CLPH_C1B
CLPH_C1B ADCC1B
C6217 C6218
ADC2R_DVDD ADCC2R
C6280
2SC3837K/NP/-X 2SC3837K/NP/-X 2SC3837K/NP/-X 2SC3837K/NP/-X
0.1/16
ADC2R_DGND ADCC2R
GND GND
ADC2R_AVDD1 ADCC2R
Q6211 PWM_Y2G
L6259
K6263 R6232
ADC2R_AVDD2 ADCC2R
NQR0489-002X 0
C6281 OPEN
ADC2R_IN ADCC2R
CLPH_Y2G
ADC2R_IN OPEN
ADC2R_IB ADCC2R
ADY2G_IN
PWM_C1B
ADC2R_IBG ADCC2R
Q6212 B1
ADC2R_VRT ADCC2R
C6285
ADC2R_VRB ADCC2R
CLPH_C1B
0.1/16
ADC2R_VCOM ADCC2R
ADC1B_IN
K6267
PWM_C2R NRSA02J-0R0X
ADC2R_AGND1 ADCC2R
Q6213
C6232
ADC2R_AGND2 ADCC2R
OPEN
PWM_C2R
PWM_C2R ADCC2R
ADY1V_IN CLPH_C2R
CLPH_C2R
CLPH_C2R ADCC2R
ADC2R_IN
ADY1V_DVDD ADCY1V
PWM_Y1V
C6286
Q6214 0.1/16
ADY1V_DGND ADCY1V
ADY1V_AVDD1 ADCY1V
CLPH_Y1V
L6260
K6264 R6233
ADY1V_AVDD2 ADCY1V
NQR0489-002X 0
C6287 OPEN
ADY1V_IN ADCY1V
ADY1V_IN OPEN
ADY1V_IB ADCY1V
GND
ADY1V_IBG ADCY1V
B1
ADY1V_VRT ADCY1V
C6291
ADY1V_VRB ADCY1V
0.1/16
ADY1V_VCOM ADCY1V
K6268
NRSA02J-0R0X
ADY1V_AGND1 ADCY1V
C6233
ADY1V_AGND2 ADCY1V
OPEN
PWM_Y1V
PWM_Y1V ADCY1V
CLPH_Y1V
CLPH_Y1V ADCY1V
R6284 0
HD_A2 A2
VD_A2 A2
VCC3D
R6285 0
C6235 C6234 R6272
OPEN
OPEN OPEN
FB ADC
GND GND
R6273
R6218 R6219 R6275
GND
0 CLK_A2 A2
OPEN
CLK_HPLL0 A2
FD_A2 A2
R6276
GND 0
27M_CLK_A1
VCC3D CLK_A1 A1
R6299 R6274
L6254
22 22
NRSA02J-0R0X
27M_CLK_A1_0
B1
X6250
VDD OUT
C6292 NAX0580-001X
OPEN EN/DL GND
GND
SHEET10
SHEET10
SHEET7,10,16,20
OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109
-04 -03 -02 -05 -06 -08 -07 -10 -09 -11 -12
QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2 QGF0508C2
CN002 -40W -40W -40W -40W -40W -40W -40W -40W -40W -40W -40W -40W
CN012 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN
Q6201 OPEN OPEN OPEN OPEN PNP PNP OPEN OPEN OPEN OPEN OPEN OPEN
Q6202 OPEN OPEN OPEN OPEN PNP PNP PNP PNP PNP PNP PNP PNP
K6262 OPEN OPEN OPEN OPEN *2 *2 OPEN OPEN OPEN OPEN OPEN OPEN
NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499
K6272 -001X -001X -001X -001X OPEN OPEN -001X -001X -001X -001X -001X -001X
L6255 OPEN OPEN OPEN OPEN *2 *2 OPEN OPEN OPEN OPEN OPEN OPEN
L6256 OPEN OPEN OPEN OPEN *2 *2 OPEN OPEN OPEN OPEN OPEN OPEN
L6265 NQR0499 NQR0499 NQR0499 NQR0499 OPEN OPEN NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499
-001X -001X -001X -001X -001X -001X -001X -001X -001X -001X
NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499 NQR0499
L6266 -001X -001X -001X -001X OPEN OPEN -001X -001X -001X -001X -001X -001X
NQR0470
LC6225 OPEN OPEN OPEN OPEN -007X OPEN OPEN OPEN OPEN OPEN OPEN OPEN
LC6226 OPEN OPEN OPEN OPEN NQR0470 -007X OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6208 OPEN OPEN OPEN OPEN OPEN OPEN 0 0 0 0 0 0
R6212 OPEN OPEN OPEN OPEN OPEN OPEN 0 0 0 0 0 0
R6219 OPEN OPEN OPEN OPEN OPEN OPEN 0 0 0 0 0 0
R6221 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6222 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6223 0 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6224 0 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6225 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6226 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN
R6273 0 0 0 0 0 0 OPEN OPEN OPEN OPEN OPEN OPEN
R6280 OPEN OPEN OPEN OPEN 330 330 330 330 330 330 330 330
R6281 OPEN OPEN OPEN OPEN 100 100 OPEN OPEN OPEN OPEN OPEN OPEN
R6282 OPEN OPEN OPEN OPEN 330 330 330 330 330 330 330 330
R6283 OPEN OPEN OPEN OPEN 100 100 100 100 100 100 100 100
C6217 0.1 0.1 0.1 0.1/16 0.1/16 0.1/16 0.1 0.1 0.1 0.1 0.1 0.1
C6218 0.1 0.1 0.1 0.1/16 0.1/16 0.1/16 0.1 0.1 0.1 0.1 0.1 0.1
SUB CPU/
A-D CONVERT / YC SEP./
CHROMA DEMOD./
FORMAT CONVERT/
Enhancer / NR
c10408001_0131_1/17_0.0