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Z
Sound Processor Board
TO J-BOARD
Z8
J8
Q2408
L
17
L AMP
Q2410
R
19
R AMP
Q2406
100Hz LPF
LPF
SCL3
10
SDA3
11
RESET
14
9V
Q2306
POWER ON MUTE
MUTE
15
SLOT9V
1
SLOT5V
3
SLOT3.3V
5
SLOT3.3V
6
DR15V
12
TH-42PHD6/TH-42PHW6
Z-BOARD and H3-BOARD Block Diagram
IC2401
IC2302
SOUND PROCESSOR
AUDIO AMP
L IN
L OUT
Q2302
32
20
11
AUDIO
L AMP
OUT(L)
AMP STB SW
SW REG
4
22
23
M
#
IC2301
AUDIO AMP
R IN
R OUT
Q2301
1
12
11
AUDIO
R AMP
OUT(R)
AMP STB SW
SW REG
4
28
B IN
22
23
M
29
ADD
#
VCC
31
9V
27
MS IN
SCL
SDA
PORT
15
16
17
D2308
Q2305
MUTE
9V
SOUND12V
IC2304
Q2303
MUTE
9V
H3
Z6
H37
L+
16
1
1
+
L-
17
4
3
-
20
21
24
SOUND12V
Q2330
H3
Z7
H37
R+
16
1
1
+
R-
17
3
3
-
20
21
24
SOUND12V
Q2330
Q2333
ERROR
Q2334
DETECT
TO P-BOARD
Q2370
P5
Z5
7
SOUND12V
8
SOUND12V
3
5V
AVR 9V
2
1
4
STB5V
IC801
REG 9V
4
1
1
DIG12V
2
DIG12V
IC802
REG 5V
2
1
IC803
REG 3.3V
7
11
11
DR15V
JK8500
SPEAKER
TERMINAL
(L)
JK8500
SPEAKER
TERMINAL
(R)
TH-42PHD6/TH-42PHW6
Z-BOARD and H3-BOARD Block Diagram
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