Panasonic TH-42PHW6EX Service Manual page 236

TO D-BOARD
D5
TO HY-BOARD
J11
H1
J
TX3+ B15
TX3-
B14
TXC+ Slot Interface/SYNC Processor Board
B12
TXC- B11
TX2+ B9
TX2- B8
B6
TX1+
TX1- B5
TX0+ B3
TX0- B2
Y/G A38
PB/B A36
PR/R A34
Y/G
Pb/B
Pr/R
SCL3
SDA3
B36
S2 DETECT
VD1
VD A30
HD1
HD A32
L
AUDIO L IN A26
R
A28
AUDIO R IN
RESET
B35
RESET
CABLE DET
B29
CABLE DET
REMOCON OUT
B30
SRQ B23
SDA
B24
SDA2
SCL
SCL2 B25
SLOT1 DET B28
A21
+9V +9V
B21
+9V
STB5V A22 STB5V
TO HY-BOARD
J12
H2
L
AUDIO L A26
R
AUDIO R A28
Y/G
Y A38
Pb/B
Pb A36
Pr/R
Pr A34
HD2
HD A32
VD2
VD A30
B36
S2 DET
SCL
SCL2 B25
SDA
SDA2 B24
B23
SRQ
SLOT2 DET B28
RESET B35
TX3+ B15
TX3- B14
TXC+ B12
TXC- B11
TX2+ B9
B8
TX2-
TX1+ B6
TX1- B5
B3
TX0+
TX0- B2
J6
TH-42PHD6/TH-42PHW6
TO D-BPARD
J-BOARD Block Diagram
TX0+ TX1+ TX2+ TXC+ TX3+
HD VD CLP
TX0- TX1- TX2- TXC- G B R
TX3-
J5 2 3 5 6 8 9 11 12 14 15 21 23 25 27 29 31
IC3005
IC3251
INPUT SW (VIDEO)
BUFFER/LPF
Y
Q3105
15 Y Pb/B 42 5
Pb AV
AMP
17
Pb
Pr
Q3104
19 Pr Y/G 44 1
AMP
5 Y/G
Q3106
RGB/ Pr/R 40 25
7 Pb/B
COMP
AMP
9 Pr/R
IC3201
B
53 B
G PC
55 G BUFFER/LPF
R
57 R
Q3102
Pb/B 48 5
AMP
27 SCL
26 50 Q3101 1
SDA Y/G
AMP
13 S2 DET
23 46 Q3103 25
S2 DET Pr/R
AMP
IC3003
IC3002
IC3004
IIC SW EXPAND I/O EXPAND I/O
S1
4 2 4 IIC SW SW0
SCL3
SCL
5 7 SLOT1
SCL 2 SW1
DET
SCL
6
3 IIC SW SW2
12
SDA3 SLOT2
SDA 1 SW3
11 9 14 DET
SDA
SDA
10 14 15
S0
IC3001
AUDIO SW
IC3006
L
5 EXPND I/O
L
L
1 3 Q3002 SW0
2 DAC
L AMP
SW0
4
SW1
1
SW1
R
14
R CS(M) 3
R
Q3003
12 13
R AMP
11
2 3 5 6 8 9 11 12 14 15
TX0+ TX1+ TX2+ TXC+ TX3+
TX0- TX1- TX2- TXC-
TX3-
D6
IC8008
SUB
Q8001
6 1
AMP
7 5 CS(S)
IC8007
MAIN
G
Q8002
6 1
B AMP
11
7 5
HD
G
14
R IC8009
17
7
IC8001
2 1
INPUT SELECT
3
VD
5 6
B SW0
11
3
SW1
CS(M) 5 1 4
G
14
R
HD
17 Q8010,8011
HD AMP
VD
Q8012,8013
VD AMP
VD2 VD1 HD2 HD1
+9V
IC3007
CS(S)
2 FAN 4
7
CONT
SCL3 SCL3
1 SCL 14 2 1
SDA3 SDA3
9 SDA 15 6 5
3
10 3
TO HX-BOARD
J14
HX1
G
1 Y/G
15
SCL B
3 PB/B
R
SDA 14
5 PR/R
HD
7 VD
VD
9
HD
R
11 AUDIO R
IC8015
L
13 AUDIO L
RS232C DRIVER
TXD TXD
11 14 18 TXD PC
RS232C
SERIAL
RXD
19 RXD PC
RXD
12 13
21 P5V
22 9V
IC8005
IC951
IC8003
INVERTER
SYNC SEPA
REG
DR15V 1
NCLP
9 8
G
4 17
CLAMP
13 12
CLAMP/H
IC952
6 15
10 11
HD
V VD
8 13 1 2
VD
1 REG
DIG12V
HD
IC8004
IC8005 IC3108
SYNC SEPA
G
INVERTER
4 17
CLAMP
1 REG
9V
CLAMP/H
NCLP
6 15 9 8
HD
13 12
V IC3109
8 13
VD
10 11
VD
1 2 REG
9V 1
HD
IC8002
INPUT SELECT
13 3 13
VD
HD HD
SW2
SW3
14 12 11 5 1 4 14 12 11
X9350
32.768K
TO Z-BOARD
J8
Z8
AUDIO L IN 17
AUDIO R IN 19
10
SCL3
11
SDA3
RESET
14
RESET
SMM
SOUND MAIN MUTE 15
SLOT 9V 1 SLOT 9V
SLOT 5V 3 SLOT 5V
5
SLOT 3.3V SLOT 3.3V
SLOT 3.3V 6
12
DR15V DR15V
TO D-BOARD
J3
D3
STB5V 1 STB5V
5V 29
5V
2 12V
R
36
PR-S
B
38 PB-S
G
40 Y-S
2 9V
2 5V
NCLP
31
2 5V
VD
32
HD
34
27
REAL TIME/INTRA
IC1001
TIMER
5 2 4 SCL1
6 3 5
SDA1
7
26 FAN CONT
SCL3
9 SCL3
SDA3
8
SDA3
REMOCON OUT
25
REMOCON OUT
RESET
11 RESET
SMM
12
SOUND MAIN MUTE
CABLE DET
13 CABLE DET
TXD
21 TXD-PC
RXD
23
RXD-PC
28 STB ON
TO PF-BOARD
J10
PF10
STB5V 1 STB5V
2 STB ON
LAN15V 5 LAN 15V
6 LAN 15V
TH-42PHD6/TH-42PHW6
J-BOARD Block Diagram