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CIRCUIT DIAGRAM - SUB AMP BOARD
2R306 100k
2C302 150P
U301A
NJM4558
2R302
2R301
2
-
1k
1k
3
+
2C399
10UF/25V
VOL ALC
2Q610
20V+
2R210
10K
2D201 1N4148
2R203
4.7K
2R211 220K
2C204
2R205
2R213
33UF/25V
15K
100K
2R103
+12VA
1001/2W
+
2C133
2C131
470UF/25V
104
2Z101
11.9-12.4
+
2C132
2Z102
104
11.9-12.4
2R105
-12VA
2FB104
100 1/2W
100
2CN301
8
LGND
15
RGND
7
VOL ALC
14
L+
6
+12VA
13
AC 11V
5
MT
12
AC11V
4
75k
CLASSD1
2R303
2R391 24k
11
Lin
ECO
ECO
3
10
R+
2
9
MCU5.6V
Rin
1
2R304 75k
DB15
56k
56k
SW IN
U802D
U802F
8
9
12
13
IC_74HCT04
IC_74HCT04
230V
S1
120V
AC 120V/60HZ 230V/50HZ
8-4
2R328120k
2C317
222P
IC301B
2C305
NJM4558
2R322
2R323
2R307
1
6
-
18k
10k
10k
2R32722k
10UF/25V
5
+
-12V
2R308
2C314
2C315
2C316
2R610
20K
47k
474
474
104
2C308
2C311
104
104
2R611
OPEN
2D612
2R632
1N4148
5.6K
2R611
+
2C611
2C612
2D613
2.4K
OPEN
1N4148
100UF/50V
2R218
+20V
39K
2R290
power mt
2R216
+
2C207
560
0
2R204 4.7K
330UF/25V
2R289
2R217
560
2Z201
2Q203
47K
2Q205
3904
VSSP
3904
2Q208
5.0V-5.2V
2C209
2Z202
3906
2D204 1N4148
5.6V
224
+
2R212
100K
2D203 1N4148
2C411
2C409
Mt
47UF/63V
VDDP
2FB103
+12V
2FB101
VDDP
100
100
+
2FB111 100
2C103
2C109
+
2R101
2C101
104
2C107
100UF/25V
104
10K
470UF/35V
VDDP
+20V
GND
GND
-20V
VSSP
2C108
+
+
470UF/35V
2C104
2R102
104
2FB110
2C102
10K
104
100
-12V
2FB102
VSSP
100
2R315 56k
2R316
2C306
2C303 68P
2R317
4.7k
3k
2R318 56k
0.22UF/25V
U302B
NJM4558
2R319
6
4.7k
2C307
-
2C304 68P
7
2R320
2R321
5
3.3k
15k
+
U302A
0.22UF/25V
2C312
+12V
NJM4558
2
823P
-
2R325
1
2C309
47k
2R324
3
2C376
104
+
15k
2C313
273P
2C377
-12V
2C805
2R803
273P
823P
2R326
33
10K
47k
2L80110UH
2C310
2R392 24k
2C806
2X801
104
2R801
700KHZ
+12V
2C804
2C807
100UF/16V
+
220
B+
100
2Q801
2C880
2R807
2Z801
104
3904
47K
IC802G
5.6V
2R812 6.8K
2R311
2R312
IC_74HCT04
12k
12k
2R811 1M
U802C
U802A
5
6
3
2R802
1
2
10K
2R808
2R804
2R805
IC_74HCT04
FP
FP
10K
IC_74HCT04
2C801
1K
1K
2R809
C802
2Q802
102
3906
102
47K
2R810
R806
C803
2X802
47K
47K
C808 100
102
600KHZ
T1
AC12V
4
F1
3
5
T1.6AL 250V
AC12V
6
10
F2
AC12.5V
2
AC IN
T3.15AL 250V
11
7
1
AC16V
8
AC16V
1
9
2
3
MCM299 55
+20V
2L980
2.2UH
2R605 470 1/2W
2SW601
20V+
1
+12VA
2C601
2
2FB601
104
2R219
FAN
1K
2.2UH
2Q209
2Q602
2R606
2SA3906
R221
7
8550
2R220
2R222
1K
2.2K
470
2R305
10K
2D207 1N4148
+12V
2Q207
1K
2C603
2N3904
2C210
+
2Z203
100UF/25V
2R329
7.5V
100UF/25V
10K
VDDA
VDDP
VSSA
VSSP
2C503
2C504
2C505
2C501
2R330
104
104
104
5.6K
104
IC501MUTE
IC501MUTE
2C320
474
8
VSSP
IN+
BOOT1
2C512
330
9
IN-
2C511
11
2C410
2C513
2C509
2C510
474
SGND1
TDA8922TH
104
104
2R501
104
104
2
47UF/63V
5.6K
SGND2
5
IN2+
VDDP
4
IN2-
BOOT2
2C961
2C518
47UF/50V
2R106
224
68
2C508
VDDA
2C502
10
104
104
104
104
2R107
VSSA
10 1/2W
VSSA VDDA
VSSP
VDDP
2C960
47UF/50V
VDDA
VDDP
VSSP
VSSA
2C403
2C405
2C401
2C404
104
104
104
104
2R314
2R331
2C319
1k
5.6K
OSC
100P
2C321
2R313
2C318
474
8
1k
IN+
BOOT1
100P
2C414
2R401
2C412
330
9
2R332
IN-
5.6K
474
5.6K
11
SGND1
TDA8922TH
2
SGND2
5
IN2+
2C415
2C322
2C413
2R402
330
4
100
474
IN2-
BOOT2
5.6K
474
2C417
2C420
U802B
U802E
224
68
2C406
2C407
2C402
2C408
4
11
10
CLK
104
104
104
IC_74HCT04
IC_74HCT04
VSSA VDDA
VSSP
VDDP
2F908
T1AL/250V
2C901
2C903
2D901
2D903
104
104
1N4001
1N4001
2CN902
AC12V A
2C902
2D902
2D904
2C904
104
104
1N4001
1N4001
2F909
T1AL/250V
AC12V B
AC11V A
AC11V B
AC IN
2C911
2C915
2CN903
2D914
2D916
2C933
104
104
1N5402
1N5402
3
4700UF/35V
2
2F904
1
T4AL/250V
2C912
2C916
2D915
2D917
104
1N5402
1N5402
104
T4AL/250V
2F905
8-4
2CN701
2R701
1
2
1.8K
CN2/20
ZD701
OPEN
2D601
2D602
2D603
2R604
1N4148
1N4148
1N4148
2Q601
4.7K
+
2D604
1N4148
2R601
2R602
2R603
1K
1K
1K
SW1
L+
R+
VDDP
VSSP
2R503
2R504
5.6
5.6
224
IC501
15
2C525
2C521
2C526
153
560
SW1
153
560
M824
16
2L501
OUT1
SW1
30uH
1
2L502
2
21
OUT2
30uH
2C524
22
2C527
2C528
153
560
M824
2C523
560
153
2R505
2R506
5.6
5.6
224
VDDP
VSSP
CLK
U801B
U801A
4013
4013
VSSP
7
14
2R814
Gnd
Vcc
22
2C809
100
2C889
104
VDDP
VSSP
2R404
2R405
5.6
5.6
2C418
224
U502
15
2C421
2C424
2C427
2C428
2C423
560
M824
560
153
153
2L401
16
L+
OUT1
30uH
2L402
21
R+
OUT2
2C425
30uH
2C426
2C430
2C429
2C422
153
22
560
560
M824
153
2C419
2R406
2R407
224
5.6
5.6
104
VDDP
VSSP
VSSP
+12VA
-12VA
AC11V
AC11V
+20V
GND
-20V
ECO
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