JVC LT-42FX77 Service Manual page 50

DIGITAL PWB CIRCUIT DIAGRAM (15/17) SHEET 21
SHEET 16,22
WAKE
STB3.3V
R7643
0
SCLM
SHEET 7,9,22
SDAM
CN0C1
OPEN
GND
SHEET 7,22
CEC_INT
SHEET 16 TCCS_RX
TCCS_TX
STB3.3V
CN0MM
OPEN
GND
SHEET 12
JW
SHEET 9,22
CEC_RST
SHEET 7,16,22
AFT1
NOTE : Refer to the part list for the part number of IC7602.
SHEET 7,16 SHEET 7
EEP ROM
(SETTING DATA)
STB3.3V IC7602
GND
C7601
1
GND
STB3.3V
R7658 R7610 R7609
OPEN OPEN
10K
TP_IIC
R7660 OPEN
OSDR5 OSDR5_0
OSDG5 OSDG5_0
OSDB5 OSDB5_0
RA7601 C7627 R7650 R7651 C7628
OPEN OPEN
OPEN OPEN OPEN
GND GND
KEY2 GND R7603
OPEN
KEY1 R7604
OPEN
C7604 OPEN
C7605 OPEN
C7606 OPEN
OPEN
SUBCCD C7602 R7605 OPEN R7611 OPEN
SUBCCD_1 R7606 OPEN C7607 SUBCCD_2
OPEN
R7607
STB_5V
OPEN
C7603 OPEN
MAINCCD1 R7612 OPEN
MAINCCD1_1
C7608
R7608
OPEN C7609
OPEN
OPEN
C7612
OPEN
GND
STB3.3V
K7601
OPEN
D7601
OPEN
R7616
OPEN
RA7602
OPEN
(No.YA564<Rev.001>)2-47
DIGITAL PWB ASS'Y (15/17)
SFL0D381A-H2 [LT-42FX77, LT-42FX77/B]
SFL0D381A-BK [LT-42FX77/BA]
SFL0D382A-H2 [LT-42FX77/S]
R7624 OPEN
R7625 OPEN
IC7601
OPEN
GND
X7601
OPEN
R7644
OPEN
GND
C7633 R7618
OPEN
OPEN
R7659
OPEN
GND
STB_5V
BS_5V
R7655
IC7603 OPEN
C7617
OPEN OPEN
R7654
OPEN
R7656
OPEN
GND
GND
RA7603
OPEN
R7617
OPEN
GND
2-48(No.YA564<Rev.001>)
OSDB5
OSDB4
OSDB3
OSDG5
OSDG4
OSDG3
OSDR5
OSDR4
OSDR3
MI_OSDYS
MI_OSDYM
DD_OSDHS
DD_OSDVS
DD_OSDCK
DD_OSDVS
DD_OSDHS
REMO
KEY1
KEY2
R7661
R7662
BS_RXD
BS_TXD
BS_5V
SUB_CCD1_1
C7618 C7631
R7631
OPEN GND OPEN
OPEN
MI_CK SUB_CCD1_2
MI_RX
MI_TX R7632
OPEN
RA7606
OPEN
GND
R7647
OPEN
C7619
OPEN
SUBCCD
BS_5V
C7620 MAIN_CCD_1
4.7/16 GND R7634
MAIN_CCD_2 390
C7632
.22/10
R7635
1K
STB3.3V
GND
R7649
OPEN
R7648
OPEN
R7626 OPEN SBT5
R7627 OPEN PW/CLK C7621
OPEN
MAINCCD1
SBD5
MI_REQ
MI_CK
WORD
MI_TX
MI_RX
RA7605
OPEN
OSDB4 ACINPOW
OSDG4 TVLINK
OSDR4
MECA_SW
J7601
OPEN
D7608
OPEN
MI_SW
EF7601
OPEN
IC7604
OPEN
R7652 EF7602
OPEN
OPEN
R7628
OPEN
R7623
R7653
OPEN
OPEN
R7637 R7636
OPEN OPEN
GND
D7606 D7604
OPEN OPEN
GND
D7607 D7605
OPEN
OPEN
STB3.3V
C7625 C7629
OPEN OPEN
IC7607
OPEN
C7626 GND
OPEN
R7639 R7640
OPEN OPEN
C7622
OPEN
C7623
OPEN
R7657 C7630
OPEN
OPEN
C7624
OPEN
R7642 R7641
OPEN OPEN
GND
R7645 OPEN
OPEN
R7646
MI_SW
PW/CLK
RESET
SBT5
SBD5
WORD
OSDB5
OSDB4
OSDB3
OSDG5
OSDG4
SHEET 12,22
OSDG3
OSDR5
OSDR4
OSDR3
MI_OSDYS
MI_OSDYM
DD_OSDHS SHEET 12,13,22
DD_OSDVS
SHEET 12,22
DD_OSDCK
REMO
SHEET 19,22
KEY1
KEY2
0
QAM_RXD SHEET 22
QAM_TXD
0
BS_RXD SHEET 18
BS_TXD
SUB_CCD1
SHEET 11
MAIN_CCD
SHEET 22
MAINCCD2
MI_REQ
MI_CK
SHEET 16,22
MI_TX
MI_RX
ACINPOW SHEET 7
TVLINK
SHEET 7,12,19,22
MECA_SW
CN232SW
OPEN
OPEN
SHEET 22
CPURST2
CPURST SHEET 15,22
MI_SW
PW/CLK
RESET SHEET 22
SBT5
SBD5
WORD
ggs20012006_0724_6/18_0.0