JVC LT-52GZ79 Service Manual page 40

DIGITAL PWB CIRCUIT DIAGRAM (7/12)
CN7501
OPEN
SDA3A_2
SDA3A 1
SCL3A_2
SCL3A
2
VCC3D
OPEN 3
4
5
GND 6
GND
TEST0
DIGITAL PWB(3/12) TEST0
DIGITAL PWB(1/12,4/12,8/12) POW_GOOD
DIGITAL PWB(6/12)
POW_GOOD2
REC_LED
DIGITAL PWB(4/12) CODECRST
B1_POW
AUDIO_L
AUDIO_R
DIGITAL PWB(4/12)
DIGITAL PWB(1/12,4/12)
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 ASS'Y (7/12)
R7501 OPEN
R7502 OPEN
SFL0D403A-H2 [LT-52GZ79, LT-52GZ79/E]
SFL0D403A-H8 [LT-52GZ79/BA]
SFL0D404A-H2 [LT-52GZ79/S]
R7512
0
DIGITAL PWB(1/12)
(No.YA665<Rev.001>)2-31
STB3.3V
C7513
OPEN
IC7502
OPEN
1A 1Y
Q7512
GND VCC OPEN
Q7511
OPEN
2A 2Y
R7544
Q7513
OPEN
OPEN
R7548
R7546
GND
OPEN
OPEN
GND
Q7514
OPEN
Q7515
OPEN GND
R7552 R7553
OPEN OPEN
R7554
STB_5V STB3.3V
OPEN
GND
R7529
10k
R7532
OPEN GND
R7530 1k
C7502
OPEN D7508 R7545 D7514
OPEN OPEN
OPEN
R7533
OPEN
D7509
OPEN
GND
STB_5V
K7502 OPEN
K7503 OPEN
K7505 OPEN
STB3.3V
K7506 OPEN
RA7503
NQR0271-004X
8 1
7 2
6 3
5 4
GND
CN001
QGF0508C2-50W
ANALOG PWB(2/6)
CN001
2-32(No.YA665<Rev.001>)
C7521
R7547
C7520
OPEN
OPEN OPEN
R7549 GND
OPEN
R7550 R7551
OPEN OPEN
R7555
OPEN
TVLINKIN
TVLINKOUT
PFC_RST
LB_POW
MAIN_POW
EXT_YS2
EXT_YS1
AGC
DBS_LED1
DBS_LED2
A_MUTE
M_MUTE
POW_LED
CARD_INT
MECA_SW
AFT1
EE_CDS1
MSP_RST
DINPHOT
SDA3A
SCL3A
CARD_CK
CARD_DA
TEXT_FR
TEXT_FR
TEXT_FG
TEXT_FG
TEXT_FB
TEXT_FB
STB3.3VA
R7539
OPEN
R8885 OPEN
R8886 OPEN
LC8801
OPEN
LC8802
OPEN
R7540 OPEN
SCLM
SDAM
R7541 OPEN
GND
DIGITAL PWB(1/12)
DIGITAL PWB(4/12)
DIGITAL PWB(2/12,4/12,6/12)
DIGITAL PWB(4/12)
DIGITAL PWB(1/12,3/12)
DIGITAL PWB(1/12,4/12)
DIGITAL PWB(4/12)
DIGITAL PWB(4/12,10/12,11/12,DIGITAL INPUT BLOCK)
DIGITAL PWB(4/12)
DIGITAL PWB(1/12)
DIGITAL PWB(1/12,9/12,10/12)
ggs20019001a_12/4_9/14_0.0