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15
16
17
SCHEMATIC DIAGRAM - 3
MAIN CIRCUIT
: + B SIGNAL LINE
R753
10
A
D9V
B
B11
C
B12
R751
R752
1K
2R2K
TO MAIN
C220
SECTION (1/4)
50V1
C750
50V1
B13
R755
D750
4R7K
B0ACEL000004
B14
MUTE_B
B15
A
D9V
B16
B
C
B17
A
B18
B
18
19
20
: MAIN SIGNAL LINE
: AUX SIGNAL LINE
R221
R222
15K
68K
C224
R223
R225
C222
C223
100P
100P
6.3 V47
47
47
W585
C225
0
R226
R227
0.01
3.9K
3.9K
5
6
7
8
R224
Q221
Q222
+B
1K
IC700
R426
R427
R424
3.9K
3.9K
1K
GND
Q421
Q422
4
3
2
1
C425
0.01
C422
C423
100P
100P
C424
R423
R425
6.3V47
47
47
Q221, Q222, Q421, Q422
R421
R422
15K
68K
B1ABGC000001
IC700
MUTING SWITCH
C0ABB0000297
OP-AMP IC
W577
0
X320
H0H433400002
R321
2.2K
LB321
C327
C326
C325
47P
47P
16V47
C324
R323
1000P
220
X320
16
15
14
13
12
11
10
9
IC301
IC301
C1AB00002751
RDS IC
LB320, LB321
J0JBC0000015
1
2
3
4
5
6
7
8
C322
C323
16V47
560P
GND
LB320
R322
R325
220
1K
21
22
23
IC300
AN17831A
POWER AMP IC
1
2
C374
50V10
FP352
5A
R285
10K
R251
C254
820 50V0.22
R295
C297
1.5K
2200P
R451
C454
820
50V0.22
R485
10K
R291
R491
10K
10K
R495
C497
R492
1.5K
2200P
R292
3.9K
3.9K
C293
C493
W183
0.018
0.018
0
AGND
PCONT2
HP_SW
W586
0
D3.3V
FL_CS
FL_DATA
FL_CLK
RMT
VOL_JOG1
VOL_JOG2
VREF+
KEY1
KEY2
MP_LCH
D3.3V
GND
MP_RCH
D3.3V
DET
TO MAIN
SECTION (4/4)
67
24
25
26
3
4
5
6
7
8
9
10
11
12
C1
220p
C373
C351
470P
470P
C2
220p
C372
C352
1000P
1000P
C363
C366
0.22u
0.22u
C364
C367
0.22u
0.22u
R380
R617
R614
2.2K
2.2
AGND
AGND
2.2
R616
R615
2.2
2.2
C586
R586
47K
50V10uF
C370
R381
16V22
10K
W590
W568
0
0
B21
B22
1/4
2/4
3/4
4/4
SA-PM45E/EE/EG MAIN CIRCUIT
B20
B20
SA-PM45E / SA-PM45EG / SA-PM45EE
27
28
A
JK501
1
L+
2
L-
SPEAKERS
B
3
R+
4
R-
C
CN901B
1
HP_L
2
AGND
3
HP_R
D
4
HP_SW
5
D3.3V
6
FL_CS
7
FL_DATA
8
FL_CLK
TO
9
AGND
PANEL CIRCUIT
RMT
10
(CN901A) IN
11
VOL_JOG1
SCHEMATIC
DIAGRAM-6
12
VOL_JOG2
13
VREF+3.3V
14
KEY1
15
KEY2
E
16
VREF-
17
MUSICP_LCH
18
AGND
19
MUSICP_RCH
F
G
H
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