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MAIN PCB CIRCUIT DIAGRAM
AUDIO CIRCUIT DIAGRAM
I2S DAC (option)
+5V
L88
L88
NC/FB220/100mA
NC/FB220/100mA
C133
C133
C134
C134
NC/10uF
NC/10uF
NC/0.1uF
NC/0.1uF
I2S_DATA-OUT
RP28
RP28
NC/22RX4
NC/22RX4
7
I2S_DATA-OUT
I2S_SCLK
7
I2S_SCLK
I2S_LRCLK
7
I2S_LRCLK
I2S_MCLK
7
I2S_MCLK
C135
C135
C198
C198
NC/10uF
NC/10uF
NC/0.1uF
NC/0.1uF
SPEAKER-AMP1
4580+5V
R7
R7
C126
C126
5
47uF
47uF
R184
R184
AMP-L
1K
1K
7
AMP-L
6
C127
C127
R121
R121
3K9(19)/4K7(32)
3K9(19)/4K7(32)
C124
C124
3
47uF
47uF
R308
R308
AMP-R
1K
1K
2
7
AMP-R
C128
C128
R182
R182
3K9(19)/4K7(32)
3K9(19)/4K7(32)
ViewSonic Corporation
U13
U13
NC_CS4344
NC_CS4344
C86
C86
NC/2.2uF
NC/2.2uF
10
AOUTLR
1
SDATA
2
DEM/SCLK
3
7
C87
C87
NC/2.2uF
NC/2.2uF
LRCK
AOUTL
4
MCLK
5
6
VQ
FILT
R333
R333
R395
R395
C202
C202
NC_10K
NC_10K
NC_10K
NC_10K
NC/10uF
NC/10uF
R310
R310
R332
R332
NC_270K
NC_270K
NC_270K
NC_270K
-5V
22
22
VCC1_OP+
R186
R186
4.7
4.7
C182
C182
0.1uF
0.1uF
R309
R309
10
10
HP-L
CA4
CA4
+
+
AMP_LIN
AMP_LIN
7
-
-
U52B
U52B
220uF/16V
220uF/16V
NJM4558
NJM4558
VCC1_OP-
330p
330p
C180
C180
CA7
CA7
0.1uF
0.1uF
100uF
100uF
VCC1_OP+
R329
R329
10
10
HP-R
AMP_RIN
CA5
CA5
+
+
AMP_RIN
1
-
-
U36A
U36A
100uF/16V
100uF/16V
NJM4558
NJM4558
VCC1_OP-
330p
330p
50
Confidential - Do Not Copy
N2201w-1M
AVOUT-AMP
7
AVOUT-RAMP
071014
R420
R420
NC_470
NC_470
AVOUT-RAMP
R421
R421
NC_470
NC_470
AVOUT-LAMP
C346
C346
C349
C349
NC_18n
NC_18n
NC_18p
NC_18p
7
AVOUT-LAMP
R322
R322
3K9(19)/470(32)
3K9(19)/470(32)
SPK_LIN
R325
R325
SPK_RIN
3K9(19)/470(32)
3K9(19)/470(32)
+12V
D54
D54
R290
R290
NC/BAV99
NC/BAV99
2.2M
2.2M
R284
R284
Q12
Q12
10
10
3904
3904
D60
D60
+
+
CA16
CA16
R336
R336
OPEN_MUTE
R292
R292
C241
C241
1K
1K
2.2M
2.2M
220uF/16V
220uF/16V
2.2uF
2.2uF
1SS355
1SS355
R331
R331
1K
1K
Q10
Q10
3904
3904
R441
R441
POWER_ON/OFF
R440
R440
12
POWER_ON/OFF
7
+5V
-5V
L82
L82
10uH
10uH
4580+5V
R442
R442
22
22
AU+5V
R546
R546
4.7
4.7
CA3
CA3
C303
C303
C376
C376
R497
R497
100uF
100uF
10uF
10uF
0.1uF
0.1uF
U4B
U4B
C88
C88
R423
R423
10K
10K
5
+
+
47uF
47uF
R495
R495
100K
100K
AVOUT-ROUT
7
AVOUT-RAMP
5.1K
5.1K
R494
R494
3.9K
3.9K
6
-
-
C379
C379
NJM4580
NJM4580
R492
R492
2.7n
2.7n
AU-5V
10K
10K
C378 30p
C378 30p
C380
C380
C377 100p
C377 100p
0.1uF
0.1uF
R493
R493
30K
30K
AU+5V
R181
R181
U4A
U4A
NJM4580
NJM4580
C97
C97
R189
R189
10K
10K
5
+
+
47uF
47uF
R188
R188
100K
100K
7
AVOUT-LOUT
AVOUT-LAMP
5.1K
5.1K
R426
R426
3.9K
3.9K
6
-
-
C216
C216
R486
R486
AU-5V
2.7n
2.7n
10K
10K
C350 30p
C350 30p
C375 100p
C375 100p
R425
R425
30K
30K
SPK_LIN
R311
R311
SPK_RIN
R312
R312
U31
U31
TDA7266SA
TDA7266SA
C52
C52
2.2uF
2.2uF
12
2IN+
C85
C85
2.2uF
2.2uF
4
1IN+
22
22
9
+12V
SGND
L76
L76
6
AMUTE
FB
FB
7
Standby
21
21
3
VCC1
19
19
13
VCC2
+
+
24
24
CA33
CA33
R280
R280
R283
R283
1000uF/16V
1000uF/16V
NC/10K
NC/10K
NC/10K
NC/10K
8
PWGND
OPEN_MUTE
D52
D52
1N4148
1N4148
Q25
Q25
R286
R286
3906
3906
470
470
R289
R289
D53
D53
1N4148
1N4148
22K
22K
R303
R303
4.7K
4.7K
+
+
Q28
Q28
+5V
CA60
CA60
1
3904
3904
2.2uF/16V
2.2uF/16V
+5V
R321
R321
10K
10K
R320
R320
R326
R326
10K
10K
10K
10K
NC/0
NC/0
R387
R387
4.7K
4.7K
Q27
Q27
1
+
+
3904
3904
CA64
CA64
10uF/16V
10uF/16V
4.7K
4.7K
Q34
Q34
1
3904
3904
+5V
R323
R323
10K
10K
R324
R324
0
0
Q30
Q30
1
NC/3904
NC/3904
MUTE_AMP
R294
R294
1K
1K
1
Q26
Q26
MUTE_AMP
3904
3904
AVOUT-ROUT 2
AVOUT-LOUT 2
100
100
HP-L
HP-L
3
100
100
HP-R
HP-R
3
15
2OUT+
SP_L+
25
25
1
SP_L-
5
NC1
2
20
20
3
11
NC3
4
23
23
14
CON14
CON14
2OUT-
CON4-2.54
CON4-2.54
SP_R+
1
1OUT+
18
18
10
NC2
SP_R-
2
1OUT-
+5V
R314
R314
NC/10K
NC/10K
Q33
Q33
1
R317
R317
NC/1K
NC/1K
HP-MUTE-IN
HP-MUTE-IN
3,7
NC/3904
NC/3904
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