Panasonic TH-42PX20U-P Service Manual page 236

LA0-19
ADDRESS BUS LINE
IC2604
FLASH ROM
DATA BUS LINE LA0-7
LD8
LD15
CE2-
14
CE1-
15
SD CD
17
SD WP
15
IC2614
IC2615
IC2617
LD8
LD15
PCBUF ON
/PC RST
BIAS
150K
S-C
2
COMPO-
SITE
4
S-Y
6
87
I/F
RESET
12
HOST SD1
16
BUFFER
BUFFER
RESET
IC2616
VIDEO BUFFER
4dB
LPF
4dB
+
LPF
4dB
LPF
D 5V
5V D1
75ohm
2dB Driver
15
75ohm
2dB
Driver
13
+
12
+
75ohm
TP2609
2dB
Driver
10
+
9
+
IC2619
REG. 3.6V
3.6V
3 2
IC2620
REG. 3.6V
3.6V
3 2
IC2601
REG. 3.6V
3.6V
1 3
TP2620
TP2619
5V
TP2617
RESET
TP2616
5V D
TP2614
TP2613
TP2612
TP2611
5V D2
TH-42PX20U-P JG-BOARD BLOCK Diagram
TO
DG-BOARD
PJG22
DG22
Y-OUT
1
C-OUT
3
5V
5
RESET
6
/HOST CE
7
TO
DG-BOARD
PJG21
DG21
5V D
1
HOST READY
3
HOST SCLK
4
HOST SDI
5
HOST SDO
6
5V D2
8