Digital Pwb Circuit Diagram - JVC LT-42FX77 Service Manual

DIGITAL PWB CIRCUIT DIAGRAM (1/17) SHEET 7
ACINPOW
SHEET 21
TVLINK
CN7501
OPEN
SDA3A_2 R7501 0
SCL3A_2 R7502 0
VCC3D
OPEN
GND
SHEET 12 TEST0
TEST0
R7512 0
SHEET 15,16,18,22
POW_GOOD
SHEET 19,20
POW_GOOD2
REC_LED
CODECRST
SHEET 16
B1_POW
AUDIO_L
AUDIO_R
SHEET 18
BS_IR
GND
SHEET 16,19
SHEET 19
GND
STB3.3V
R7504
C7502
OPEN
OPEN
Q7501
OPEN
R7505
R7526
OPEN
OPEN
C7501 D7502
OPEN OPEN
GND
GND
D7501
OPEN
K7502
K7503
K7505
K7506
CN011
OPEN
OPEN
(No.YA564<Rev.001>)2-19
STB3.3V
C7513
OPEN
IC7502
OPEN
Q7512
OPEN
R7547
OPEN
Q7511
OPEN
R7544
OPEN Q7513
OPEN
R7548 R7550
R7546
OPEN OPEN
OPEN
GND
Q7514
OPEN
Q7515
GND
OPEN
R7553
OPEN
STB_5V STB3.3V R7554
OPEN
R7552
OPEN
GND
R7532 R7529
OPEN 10K GND
R7530
D7508 R7545 1K
OPEN OPEN
D7514
OPEN
D7509 R7533
OPEN
OPEN
R7511 OPEN
STB_5V
OPEN
R7521
OPEN
OPEN
OPEN
STB3.3V
OPEN
RA7503
GND
ANALOG PWB (2/6)
CN001
(SHEET 2)
2-20(No.YA564<Rev.001>)
DIGITAL PWB ASS'Y (1/17)
SFL0D381A-H2
[LT-42FX77, LT-42FX77/B]
SFL0D381A-BK [LT-42FX77/BA]
C7520 C7521
OPEN OPEN
SFL0D382A-H2 [LT-42FX77/S]
R7549 GND
OPEN
R7551
OPEN
R7555
OPEN
TVLINKIN
SHEET 22
TVLINKOUT
SHEET 16,20
LB_PRO
SHEET 10,11,16,20
LB_POW
MAIN_POW
EXT_YS2
SHEET 16
EXT_YS1
AGC
DBS_LED1
SHEET 16,21
DBS_LED2
A_MUTE
SHEET 16
M_MUTE
SHEET 16,19
POW_LED
SHEET 16
CARD_INT
SHEET 12,19,21,22
MECA_SW
SHEET 16,21,22
AFT1
EE_CDS1
SHEET 16
MSP_RST
DINPHOT
SDA3A SHEET 8,9,10,16,19,23
SCL3A
CARD_CK
SHEET 16
CARD_DA
TEXT_FR
TEXT_FR
TEXT_FG
SHEET 22
TEXT_FG
TEXT_FB
TEXT_FB
STB3.3VA
R7539
OPEN
R8885 OPEN
DEC_Y
R8886 OPEN
SHEET 8
LC8801
OPEN
TV_MAIN
LC8802
OPEN
R7540 OPEN
SCLM
SHEET 9,21,22
SDAM
R7541 OPEN
SCL1
SHEET 21
R7542 OPEN
SDA1
R7543 OPEN
GND
CN001
ggs20012011_0724_11/18_0.0