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14.64. Z-Board and H3-Board Block Diagram
TO J-BOARD
Z8
J8
L
17
R
19
SCL3
10
SDA3
11
RESET
14
SOUND MAIN MUTE
15
SLOT9V
1
SLOT5V
3
SLOT3.3V
5
SLOT3.3V
6
DR15V
12
TH-50PHD6/TH-50PHW6
Z and H3-BOARD Block Diagram
Z
Sound Processor Board
SOUND PROCESSOR
Q2408
32
L AMP
Q2410
1
R AMP
Q2406
28
100Hz LPF
29
LPF
27
9V
Q2306
POWER ON MUTE
IC2401
L IN
L OUT
Q2302
20
L AMP
R IN
R OUT
Q2301
12
R AMP
B IN
ADD
VCC
31
9V
MS IN
SCL
SDA
PORT
15
16
17
D2308
Q2305
MUTE
9V
Q2303
MUTE
IC2302
AUDIO AMP (L)
11
16
AUDIO
OUT(L)
17
AMP STB SW
20
SW REG
4
21
22
23
24
M
SOUND12V
#
Q2331
IC2301
AUDIO AMP (R)
11
16
AUDIO
OUT(R)
17
AMP STB SW
20
SW REG
4
21
22
23
24
M
SOUND12V
#
Q2330
Q2333
ERROR
Q2334
DETECT
Q2370
SOUND12V
IC2304
AVR 9V
9V
2
1
IC801
REG 9V
4
1
IC802
REG 5V
2
1
IC803
REG 3.3V
7
11
H
Z6
H37
L+
1
1
L-
4
3
H
Z7
H37
R+
1
1
R-
3
3
TO P-BOARD
P5
Z5
7
SOUND12V
8
SOUND12V
3
5V
4
STB5V
1
DIG12V
2
DIG12V
11
DR15V
120
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