Panasonic TH-42PWD8WK Service Manual page 318

J SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
TO P5
J4
DIG+12V 1
2
DIG+12V
DR15V 4
AUDIO+12V 6
AUDIO+12V 7
8
AUDIO+12V
Q2370
12V DET
Q2334
12V DET
IC8100
AVR 12V
1
IC801
AVR 9V
1
2
8
IC802
AVR 5V
1
2
8
IC803
AVR 3.3V
1
2
8
TH-37/42PWD8 SERIES
J-Board (1 of 2) and H3-Board Block Diagram
Q2371
12V DET
Q2372
MUTE SW
Q2333
12V DET
12V
2
9V
5V
3.3V
SDA3
SCL3
IC804
AVR 1.8V
1.8V
1
5
3
D2303
AMP_STB_SW
1.8V 3.3V 5V
DIG12V
RST
67
R
PHASE R OUT
A
38 TONE 32 5 7
SHIFT
G BAL
L LPF L OUT
27 3 2
37 VOL
C
AMP
73 71
IC2305
IC2303
EQUALIZER
SOUND CONTROL
AMP_STB_SW
IC2301
10W MONO
H3
BTL AMP R
J7 Z37
4 20
+R OUT
16 1 SP_R+ 1
VCC
11
-R OUT
17 3 SP_R- 3
IC2302
10W MONO
H3
BTL AMP L
J8 Z37
4 20
+L OUT
16 1 SP_L+ 1
VCC
11
-L OUT
17 3 SP_L- 3
S_CLOCK3
1
S_DATA3
2
RESET
3
AUDIO MUTE
4
AUDIO L
5
AUDIO R
6
JK8500
JK8500
TH-37/42PWD8 SERIES
J-Board (1 of 2) and H3-Board Block Diagram