Jg-Board Block Diagram - Panasonic TH-42PX20U-P Service Manual

14.25. JG-Board Block Diagram

JG
PC/SD Card Interface Board
PC CARD SLOT
P2601
SLOT FOR 68 PC CARD
CE1- 7 XCE1
XOE
OE- 9
WE- 15 XWE
IC2609
CE2- 42 XCE2
IC2610
D0
PCD0
DATA
BUFFER
PCD15
D15
IC2613
REG-
61 4 5 D 3.3V
1
PCBUF ON
IC2611
IC2608
A0
IC2612
A9
D0 D0
PCA0 DATA DATA
BUFFER BUFFER
PCA9 D7 D7
IC2603
/IREQ
READY 16 2 INVERTER 4
RESET
58
CD1- 36
IC2605
CD2- 67
SDRAM
DMA0-11
SC CARD SLOT
P2602
DAT3 1
DAT0 7
SD DAT0 - SD DAT3
DAT1
8
DAT2 9
SD CMD
CMD 2
SD CLK
CLK 5
SD CD
Q2602
CD 10
SD WP
WP 12 Q2601
TH-42PX20U-P JG-BOARD BLOCK Diagram
IC2602
CPU
FLASH ROM I/F
RESET RESET
24
LA0-19
HD0
HD15
LD0-15
PCBUF ON
DATA BUS LINE HD0-15
HD0
HD7
IREQ
144
DATA BUS LINE
DB0-15 DB0-15
SC-OUT
108
I/F SDRAM I/F
COMPOSIT
114
ADDRESS LINE
DMA0-11
SY-OUT
113
SD DAT0
SD DAT3
HOST CS
166
HOST READY 167
HOST SCLK
143
SD CMD
168
169 SD CLK
HOST SDO
142
I/F
LA0-19
ADDRESS BUS LINE
IC2604 RESET
12
FLASH ROM
DATA BUS LINE LA0-7
LD8
LD15
14 CE2-
15 CE1-
SD CD
17
HOST SD1
15 SD WP 16
IC2614
BUFFER
IC2615
IC2617
BUFFER
LD8
RESET
LD15
PCBUF ON
/PC RST
IC2616
VIDEO BUFFER
BIAS
150K
4dB
2dB
S-C
LPF
2
2dB
COMPO- 4dB
SITE +
4 LPF
2dB
4dB
S-Y
6 LPF
87
IC2619
REG. 3.6V
D 5V 3 2 3.6V
IC2620
REG. 3.6V
5V D1 3.6V
3 2
IC2601
REG. 3.6V
3.6V
1 3
PJG22
TP2620
1
75ohm
TP2619
Driver
15 3
75ohm
5V
Driver 5
13
+ TP2617
RESET
6
12
+
75ohm TP2616
TP2609
Driver
7
10
+
9
+
PJG21
5V D
1
TP2614
3
TP2613
4
TP2612
5
TP2611
6
5V D2
8
TH-42PX20U-P JG-BOARD BLOCK Diagram
TH-42PX20U-P
TO
DG-BOARD
DG22
Y-OUT
C-OUT
5V
RESET
/HOST CE
TO
DG-BOARD
DG21
5V D
HOST READY
HOST SCLK
HOST SDI
HOST SDO
5V D2