J-Board (1 Of 2) And H3-Board Block Diagram - Panasonic TH-50PHD8BK Service Manual

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

SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
J
TO P5
J4
DIG+12V 1
2
DIG+12V
DR15V 4
AUDIO+12V 6
AUDIO+12V 7
AUDIO+12V 8
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-50PHD8BK/BS/EK/ES
J-Board (1 of 2) and H3-Board Block Diagram
Q2371
12V DET
Q2372
MUTE SW
D2303
Q2333
12V DET
12V
2
9V
RST
67
5V
R
A
38
G
L
37
C
73
3.3V
SDA3
SCL3
IC804
AVR 1.8V
1.8V
1
5
3
AMP_STB_SW
IC2301
1.8V 3.3V 5V
DIG12V
10W MONO
BTL AMP R
4 20
16
PHASE R OUT VCC
TONE 32 5 7 11
SHIFT
17
BAL
LPF L OUT
VOL 27 3 2
AMP
71
IC2305
IC2303
EQUALIZER
SOUND CONTROL
IC2302
AMP_STB_SW
10W MONO
BTL AMP L
4 20
16
VCC
11
17
73
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
H3
J7 H37
JK8500
+R OUT
1 SP_R+ 1
-R OUT
3 SP_R- 3
H3
J8 H37
JK8500
+L OUT
1 SP_L+ 1
-L OUT
3 SP_L- 3
TH-50PHD8BK/BS/EK/ES
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