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TH-37PHD8GK / TH-37PHD8GS / TH-37PHD8UK / TH-42PHD8GK / TH-42PHD8GS / TH-42PHD8UK
16.20. J-Board (1 of 2) and H3-Board Block Diagram
J
SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
TO P5
J4
DIG+12V
1
2
DIG+12V
DR15V
4
AUDIO+12V
6
AUDIO+12V
7
AUDIO+12V
8
Q2334
12V DET
IC8100
AVR 12V
1
IC801
AVR 9V
1
8
IC802
AVR 5V
1
8
IC803
AVR 3.3V
1
8
TH-37/42PHD8GK/GS/UK
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
BTL AMP R
RST
4
20
67
PHASE
R OUT
VCC
A
TONE
32
5
7
11
SHIFT
G
BAL
LPF
L OUT
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
114
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-37/42PHD8GK/GS/UK
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
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