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A
B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM-2
U002
SPEAKER TERMINAL PC BOARD BAAF-0278
(PART-6)
1
2
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
S301
IPM OFF
IPM ON
4
S302
12Vtrg OFF
12Vtrg ON
P303
2
10
12Vtrg_OUT
1
HSJ1002-01-6020
22
24
12Vtrg_IN
21
w w w
5
.
C
47/50
3
NE5532AP
C303
47/50
1
Q301A
2
C307
3
R301
4
5
330
3
4
1
2
10
5
330
9
8
R302
1
12
2
47/50
RL301
1
Q302A
47/50
D301
3
C308
C304
1SS352
NE5532AP
C326
104J
R368
100K
2SC1815-GR
2SC1815-GR
Q318
Q317
Q316
R370
R364
R362
2SA1015-GR
2.2K
680K
270K
R366
2.2M
1SS352
D415
47K
47K
R335
3
1
R322
R324A
47K
50K
6
4
2
R321
1
50K
Q303A
R324B
3
NJM4556A
NJM4556A
5
C309
3
R333
5
4
22/50
7
22/50
Q305B
C311
2.2K
3
6
4
1
2
10
2
5
2.2K
8
9
22/50
1
Q305A
C312
R334
12
1
3
C310
NJM4556A
22/50
RL302
1SS352
D302
C327
104J
NSS-22203
7
1
2
3
4
5
6
8
C338
R378
10/50
C337
100K
2SC1815-GR
2SC1815-GR
2SC1815-GR
10/50
Q321
Q320
Q319
Q329
R380
2SA1015-GR
R374
R373
2.2K
680K
330K
Q328
2SC1815-GR
R376
2.2M
NSS-22203
7
1
2
3
H
4
12
11
L
12
5
H
13
13
6
8
Q409
H
9
F401
2SB1240
10
L
9
8
nanoSMDC016F
10
H
2SC1815-GR
R408
Q408
12VTRGOUT
H
560
R409
H
4
1K
1
6
H
3
5
2
R407
L
H
10K
TC74AC00FT
Q405A
R417
R416
33K
33K
x
a o
y
i
http://www.xiaoyu163.com
D
E
8
Q311
78M15
220(2W)
3
1
O
I
R353
R311
470
C341
2
5
Q312
NE5532AP
79M15
7
C305
R317
47/50
Q301B
3
2
R354
O
I
6
47/50
560
220(2W)
6
3
2
C306
R318
7
Q302B
C342
5
5
47/50
560
4
1
470
NE5532AP
P305
47/50
TRM-423
R312
22
22/50
C316
D305
R340
1SS352
10K
5
NJM4556A
10K
R339
7
6
Q303B
22
6
R338
7
22/50
Q304B
5
C317
D306
R341
1SS352
NJM4556A
56K
R336
D303
D304
UDZS5.1B
UDZS5.1B
Q310
78M09
O
I
3
G
1
2
2
R357
1
Q304A
10
3
NJM4556A
Q
Q
3
7
6
3
R350
100K
Q308
2SA1015-GR
Q307
2SC1815-GR
R343
R346
390K
470K
R347
D307
120K
1SS352
R348
10K
Q306
2SC1815-GR
10K
4
6
R393
5
L
Q324
100/25
RN1402
C335
TC74AC00FT
Q404A
11
H
D417
1
H
3
1SS352
2
8
L
Q415
Q416
RN2402
RN2402
Q401
1
14
1CLR
Vcc
2
13
1D
2CLR
R403 10K
3
12
1CK
2D
4
11
1PR
2CK
5
10
1Q
2PR
6
9
1Q
2Q
Q402
7
8
220/25
RN1402
GND
2Q
C402
22/50
TC74VHC74
C404
Q403
RN1402
u 1 6 3
.
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F
G
2
4
9
9
3
2
4
1
P304
TRM-423
GND_LCH1
7
LCH
6
GND
5
RCH
4
U0021
POWER INDICATOR
GND_RCH1
3
-B_RCH_Pre
2
+B_RCH_Pre
1
PC BOARD
BAETC-0279
1
1
2
2
3
3
4
4
5
5
POFF
5
APOWER
4
+12VS
3
GND_DG
2
GND_RL
1
1
5
1
5
0
8
9
2
PROTECT
GND_RL
Q322
78L05
1
3
+12VS
O
I
SPB_RL
CSD
R432
2SC1815-GR
100K
Q419
R427
R428
Q420
2SA1015-GR
330K
680K
R430
2.2M
2SA1015-GR
R424
100K
2SC1815-GR
Q417
Q418
R419
R420
330K
680K
R422
2.2M
m
c o
ADM-30.1
H
2
8
9
9
Q412
Q413
RN2402
RN2402
Q411
Q414
RN1402
RN1402
2
4
9
8
2
9
9
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