JVC LT-52GZ79 Service Manual page 39

DIGITAL PWB CIRCUIT DIAGRAM (6/12)
ASSY NO. - MODEL LIST
SFL-0D393A ... LT-42GZ78A
LT-42GZ78BA
LT-42GZ78TA
SFL-0D394A ... LT-42GZ78SA
SFL-0D395A ... LT-47GZ78A
LT-47GZ78BA
LT-47GZ78TA
SFL-0D396A ... LT-47GZ78SA
SFL-0D397A ... LT42GZ78NASK
SFL-0D398A ... LT47GZ78NASK
SFL-0D403A ... LT-52GZ79A
LT-52GZ79EA
LT-52GZ79BA
SFL-0D404A ... LT-52GZ79SA
DIGITAL PWB
LV_CK
(11/12)
DIGITAL PWB
CLK_DV1R
(3/12)
VCC1.2D
JCC5068
L6901
OPEN
IC6001
C6901
100 /4
NEX60JM-227X
46 12
C6902
0.1/16 592 13
595 109
89 112
C6903
0.1/16 329 113
111 138
C6904
0.1/16 114 177
230 184
233 194
234 211
345 215
346 231
348 232
351 235
448 238
449 241
1.2V_VDD 1.2V_GND
547 313
550 333
635 343
637 371
139 424
C6905
0.1/16 140 450
260 451
566 453
568 472
372 473
C6906
0.1/16 570 499
219 500
C6907
0.1/16 539 514
631 546
300 548
C6908
0.1/16 599 605
603 618
309 630
C6909
0.1/16
420 632
517 639
466 647
SUB CPU/
C6910
0.1/16 646
A-D CONVERT/
523 YC SEPARATE/
C6911
CHROMA DEMOD./
0.1/16 527
FORMAT CONVERT/
C6656
ENHANCE/NR/
0.1/16
RGB PROCESS/
OSD MIX
LB_PRO
DIGITAL PWB(4/12)
PFC_POW
DIGITAL PWB ASS'Y (6/12)
SFL0D403A-H2 [LT-52GZ79, LT-52GZ79/E]
SFL0D403A-H8 [LT-52GZ79/BA]
SFL0D404A-H2 [LT-52GZ79/S]
R6924
0
LV_CK0
VCC3D
BS_5V VCC3D
L6921 L6931
NQR0499-001X
OPEN
C6929
1/10
L6922
4 3 B1
NQLE3GK-220X
C6921 C6922
VDD CE
10/10 0.1/16
VOUT GND
IC6901 1 2 L6923
OPEN
R1141Q331B-X
B1
C6923 C6924
10 /10 0.1/16
VCC3D
VCC1.2D
K6922 K6923
OPEN OPEN L6924
NQLE3GK-220X
L6926
OPEN
B1
GND GND
C6925 C6926
10 /10 0.1/16
4 3 R6930
OPEN
B1
VDD OUT
C6930
L6925
OPEN EN/DL GND
NQLE3GK-220X
1 2
B1
X6901
C6927 C6928
OPEN 10 /10 0.1/16
GND
R6926 OPEN
VCC_PLL5 R6922 OPEN CLK_DV1R_4
R6943
R6923 OPEN
15
VCC3D
VCC3D
K6921
VCC3D
VCC3D NRSA02J-0R0X
GND
IC6903
OPEN
R6953 CLK_DV1R_3
GND
0
CLK_DV1R_2 VCC3D
ICLK SD
R6944
OPEN
DIV
VDD S1 S0
C6933
OPEN R6945
GND S0 S1 VDD
OPEN
C6934
C6935
GND OPEN
OPEN
VDD CLK1
CLK LEE
R6946 22
0.5%
R6931
R6947
OPEN INA CLK2
GND GND OPEN
R6941
OPEN
GND
INB CLK3 R6948
OPEN
GND
GND CLK4
GND
FBIN GND
OE0 OE1 GND
R6949
OPEN
IC6904
R6942
OPEN OPEN
GND GND
DC-DC PWB
CN0DC
QGA2013C1-15W
VCC3D CN0DC
BT32V 15
L6912
BS_AODV 14
NQR0499-001X
GND 13
L6902
9V 12
OPEN
JCC5068 GND 11
C6912
LCD5V/12V 10
10/10 IC6001
NCB11AK-106X
GND 9
B1
5V 8
7
GND
C6913
117
SVD(5V) 6
0.1/16
LCD5V/12V 5
353
LB_POW 4
363
561
GND 3
417 PFC_POW 2
562
LB_PRO 1
645
3.3V_GND
C6914 475
171 3.3V_VDD
0.1/16
C6915 506
344
0.1/16
513
C6916
405
0.1/16
C6917 634
413
0.1/16
GND
465
516
SUB CPU/
C6918
567
0.1/16
A-D CONVERT/
C9305
C6919
627
0.1/16 YC SEPARATE/
CHROMA DEMOD./
FORMAT CONVERT/
ENHANCE/NR/
RGB PROCESS/
K6052
OSD MIX
OPEN
GND GND
C9314
C9313
OPEN OPEN
GND
(No.YA665<Rev.001>)2-29
VCC3D
GND
JCC5068 JCC5068
VCC1.2D
IC6001
301 CLK_RO PLL3
PLLK_AVDD HPLL_K GND
549
452 PLLK_DVDD HPLL_K
STB3.3V
638 PLLK_AGND HPLL_K
PLLK_DGND HPLL_K
347
110 PLL1_AVDD PLL1
636 PLL1_AGND PLL1
GND
141 PLL2_AVDD PLL2
569 PLL4_AVDD PLL4
BS_5V
PLL2_AGND PLL2
14
474 PLL4_AGND PLL4
PLL3_AVDD1 PLL3
370
PLL3_AVDD2 PLL3
369
259 PLL3_AGND1 PLL3
PLL3_AGND2 PLL3
258
GND
339 TCLKI PLL2
11 CLK_RI PLL3
CLK_RWI PLL4
10
193 PLL5_AVDD PLL5
69 PLL5_AGND PLL5
R6952
OPEN
SUB CPU/
A-D CONVERT/
YC SEPARATE/
CHROMA DEMOD./
FORMAT CONVERT/
GND
ENHANCE/NR/
RGB PROCESS/
OSD MIX
C9306 C9307 C9308
OPEN OPEN OPEN
GND
Q9702
OPEN
R9301
OPEN
LC9301
Q9052
NQR0450-004X
R9010 UN2212-X
R9302 NRSA02J-0R0X 22k
LC9302
OPEN BS_9V
R9303 OPEN
LC9303
NQR0415-005X C9310 Q9010
OPEN UN2212-X
C9309
OPEN
GND
BS_5V
R9305 R9060
OPEN
4.7k
C9315 C9316
OPEN OPEN
LC9305
NQR0415-005X R9070
47k
C9311
OPEN
GND
K9010
R9307
NQR0413-003X
OPEN
LCD5V/12V R9709
LC9307 100k
NQR0415-006X
R9306
OPEN NCB21EK-102X
GND
C9301 R9311
OPEN OPEN
STB_5V
STB3.3V
IC9301
C9209 GND
MM1701CH-X
OPEN
BSD_5V
R9309
OPEN
8 7 6 5
GND IC9401
C9304
OPEN
4.7 /16
NCB11CK-475X
STB3.3VA
L9204
C6052
OPEN
OPEN
STB1.2V
1 2 3 4 5 6
9 1 2 3 4
GND
C9401 R9401
C9302
C9303 OPEN OPEN
4.7 /16
0.01
NCB11CK-475X
GND
2-30(No.YA665<Rev.001>)
STB3.3MI
GND
VCC2.5D VCC2.5D2 VCC1.5D STB2.5MI VCC1.5DV
GND GND
GND GND GND
STB_5V
GND
LCD5V/12V LCD3V
GND GND
BS_5V VCC3D VCC1.2D
R9501
R9505 D9503 R9509 D9504
D9502
OPEN OPEN OPEN OPEN
OPEN
OPEN
D9501 R9507
R9503
R9502 R9506
OPEN Q9502 OPEN
Q9501 OPEN OPEN OPEN Q9503
OPEN
OPEN
OPEN
C9501 R9504 C9502
R9508
OPEN OPEN
OPEN
OPEN
R9510
GND OPEN
R9716
R9057
0
56k 0.5%
R9030
0
CH C9059
R9056
680p/50
OPEN
0.5% D9053
R9717 R9059 PTZ3.9B-X
3.3k 2k
0.5% GND
L9051
R9058
NQLC8CM-150X
33k
0.5%
C9056
R9062 R9712
GND 10k 10k
8 7 6 5
D D D D
R9063 R9713
Q9051 D9051 C9063
47k 47k
C9050 RSS040P03-X EC30HA03L-X C9056-C9058,C9063
0.5%
D9052 GND NCB11AK-106X NCB11AK-106X
0.1/16
OPEN
GND
S S S G
IC9000
GND
1 2 3 4 IC9101
THV1021-X
MM1662FT-X
R9051
SYSUVL0 0
VREF
C9040
0.01
SCP SS_2
R9040 C9702
R9080
RT SS_VREF OPEN
15k
10k 1 2
GND NON_INV_2 GND
SS_1 INV_2 C9062 C9103
R9711 C9711 NCJ21CK-106X-D 2.2/16 B1
R9061
INV_1 FB_2
C9061 15k GND GND OR NCJ21CK-106X-R
C9052 22k 6800p/50
FB_1 DTC_2
0.01 R9706 R9707
R9090 R9714
GND 1000p OPEN 10k
DTC_1 XP_DET 0
C9030 C9020 0.5% 0.5%
NCB11EK-225X 0.1/25 100k
VCC
OUT_SYS
CH C9709
R9050
SLCT_1
100k OUT_2
R9020 390p
100k D9703
OUT_1
P-GOOD2 R9715
R9710 PTZ3.9B-X
GND 1.8k
P-GOOD1
GND 2.2k
0.5%
GND
GND
R9708 8 7 6 5
47k
D D D D
0.5%
Q9701
GND RSS040P03-X
S S S G
1 2 3 4
R9701
0
C9701
STB_5V NCJ21CK-106X-D
R9251
OR NCJ21CK-106X-R
100 GND GND
7
R9252 C9251
OPEN 0.1/16
C9403
OPEN GND
POW_GOOD2
D9401
OPEN
DIGITAL PWB
LB_POW
(2/12,4/12,7/12)
VCC3D
K9051,K9052
NRSA02J-0R0X
K9052
K9051
R9052 R9053
OPEN NRS181J-151X
C9057 C9058
GND
IC9102
MM1662FT-X
VCC2.5D VCC2.5D2
3 1 2 3
C9101 C9104 C9105
B1 4.7/16 2.2/16 B1 B1 4.7/16
R9054 R9055
NRS181J-101X OPEN
GND GND
GND GND
VCC1.5D
K9701,K9702
NRSA02J-0R0X NRSA02J-0R0X
K9702
L9701
NQLC8CM-150X
K9701
C9706
C9708
R9071
OPEN
D9701
C9725 C9707
EC30HA03L-X
GND C9706-C9708,C9725
D9702
NCB11AK-106X NCB11AK-106X NCB11AK-106X
OPEN
GND
R9253
100k
8 7 6 5 IC9251
MM1701CH-X
VCC1.2D
1 2 3 4
IC9251
C9254
9
0.1/16
C9253 C9255
0.01
4.7/10
GND
NCB11AK-475X
GND
DIGITAL PWB(7/12)
POW_GOOD2
ggs20019001a_12/4_8/14_0.0