J-Board (1 Of 2) And H3-Board Block Diagram - Panasonic TH-50PHD8UK Service Manual

TH-50PHD8UK

15.12. J-Board (1 of 2) and H3-Board Block Diagram

SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
J
TO P5 J4
DIG+12V 1
DIG+12V 2
DR15V 4
AUDIO+12V 6
AUDIO+12V 7
8
AUDIO+12V
Q2334
12V DET
IC8100
AVR 12V
1
IC801
AVR 9V
1
8
IC802
AVR 5V
1
8
IC803
AVR 3.3V
1
8
TH-50PHD8UK
J-Board (1 of 2) and H3-Board Block Diagram
Q2370 Q2371
12V DET 12V DET
Q2372
MUTE SW
Q2333
12V DET
12V
2
9V
2
5V
R
38
2
L
37
3.3V
SDA3
2
SCL3
IC804
AVR 1.8V
1.8V
1
5
3
D2303
AMP_STB_SW
IC2301
1.8V 3.3V 5V
DIG12V
10W MONO
RST BTL AMP R
4 20
67
VCC
PHASE R OUT
A TONE 32 5 7 11
SHIFT
G BAL
L OUT
LPF
VOL 27 3 2
C
AMP
73 71
IC2305
IC2303
EQUALIZER
SOUND CONTROL
IC2302
AMP_STB_SW
10W MONO
BTL AMP L
4 20
VCC
11
76
H3
J7 H37
JK8500
+R OUT
16 1 SP_R+ 1
-R OUT
17 3 SP_R- 3
H3
J8 H37
JK8500
+L OUT
16 1 SP_L+ 1
-L OUT
17 3 SP_L- 3
TH-50PHD8UK
J-Board (1 of 2) and H3-Board Block Diagram
S_CLOCK3
1
S_DATA3
2
RESET
3
AUDIO MUTE
4
AUDIO L
5
AUDIO R
6