ViewSonic N2635w-1M Service Manual page 73

8.10. AUDIO CODEC AND LINE OUT
AUDIO L/R OUTPUT
C431
10uF/10V/Y5V
C0805
RCA_OUTL R293 470
R0603
RCA_OUTR R294 470
R0603
C432
10uF/10V/Y5V
C0805 C495 C496
4700pF 4700pF
C0603 C0603
2SD2653K
SOT-23
NEARLY MT537x
YPBPR0R_IN C436 R305
10uF/50V CE025050 33K R0603
YPBPR0L_IN C437 R306
10uF/50V CE025050 33K R0603
VGAR_IN C442 R309
10uF/50V CE025050 33K R0603
VGAL_IN C443 R310
10uF/50V CE025050 33K R0603
AV1R_IN C444 R311
10uF/50V CE025050 33K R0603
AV1L_IN C445 R312
10uF/50V CE025050 33K R0603
C509 C508
15pF NC
C0603 C0603
1
2
3
AO1BCK RN31
1 8 4
AO1LRCK
2 7 5
AO1MCLK 3 6 6
AO1SDATA4 4 5 7
C450 33x4 RN8P4R-I 8
NC(22pF) AO1SDATA3 R381 33 9
C0603 R0603 10
11
I2SIN_DATA R316 33 12
R0603
TWO WIRE SERIAL CONTROL
DEVICE ADDRESS 0x34H
DV33
R323
1K
R0603
R324
100
MUTE R325 1 Q123 R0603
2N3904
1K
R0603 SOT-23
ViewSonic Corporation
RCA1X2
AUD_LOUT AUD_LOUT
2
AUD_ROUT
AUD_ROUT
3
MUTE
1
R296
Q114 1K D147 D148
2SD2653K R0603
SOT-23 NC(EZJZ0V800AA) NC(EZJZ0V800AA)
Q113 1 MUTE
R295
1K
R0603
DV33 L149 DV33_CODEC
FB/120R/3A
L0603
C438 +
470uF/16V/LowESR
CE050080
DV33_CODEC
DV33_CODEC
C446
0.1uF
C0603
VMIDADC
C448
36 +
AIN6L ADCGND
DV33_CODEC 100uF/16V
35
AIN7R ADCREFP
CE025063
34
AIN7L ADCREFN
VMIDADC
33
BCLK0 VIMDADC
DV33_CODEC
I124 32
LRCK0 DAV33
31 DV33_CODEC
MCLK0 DACREFP
MT8291 30
DIN0 DACREFN
HPVDD
29
DIN1 DACGND
LQFP48 28 VMIDDAC
BCLK1 VMIDDAC
27
LRCK1 AVDD
26 RCA_OUTR
MCLK1 VOUT1R
25 RCA_OUTL
DOUT VOUT1L
R319
NC
R0603
R320
10K
OFF_MUTE Q120
1
2SD2653K
R0603 SOT-23
C455
0.1uF
C0603 HPVDD
+12V L150
FB/120R/3A
L0603
C456 + C457
470uF/16V/LowESR 0.1uF
CE050080 C0603
70
N2635w-1M
Confidential - Do Not Copy
MUTE CIRCUIT
+12V
P111
+5V
R298
5.1K
R0603
W
D144
R NC
R301
R398 R397 10K
NC NC R0603
R0603 R0603 R392
1K
R0603
OPCTRL7 1 Q117
2N3904
SOT-23
DV33SB R302
1K
R0603
R414
4.7K
R0603
GPIO_19=" L": Normal Operation
GPIO_19=" H": Mute
R400
C439 470
0.1uF
R0603
C0603
GPIO_19 MUTE_N
C447
0.1uF
C0603 VO0R C434 R303 470
10uF/50V CE025050 R0603
VO0L C435 R304 470
10uF/50V CE025050 R0603
C449
0.1uF
C0603
AO1AUXR
R313
1K
MUTE 1 Q118
2SD2653K
SOT-23
R0603
VMIDDAC
C453 C454 R315
+
+5V
22uF/16V 0.1uF 10K
CE025063 C0603 R0603
HPOR C451 R390 20
330uF/16V CE050080 R0603
HPOL C452 R391 20
330uF/16V
CE050080 R0603
R317
1K
R0603
C458
0.1uF
C0603
HPOUTR
R321
1K
MUTE Q121
1
2SD2653K
R0603 SOT-23
HPOUTL
R322
1K
MUTE Q122
1
2SD2653K
SOT-23
R0603
R297
2,4,5,6,7,13
1K
2,4,5,6,9,12,13,14
R0603
2,3,4,5,6,7,8,9,10,12,13,14
2 3
Q115
2N3906
2,3,4,5,6,7,8,9,10,12,13,14
SOT-23
R299
2K,1%
R0603 C433
+
330uF/16V
CE050080
1 Q116
2N3906
SOT-23
OFF_MUTE MUTE
D143
R396 1N4148 R300
100K 100K
R0603 R0603
AO1AUXR
AO1AUXL
C440 C441 R307 R308
3300pF 3300pF 47K 47K
C0603 C0603 R0603 R0603
AO1AUXL
R314
1K
MUTE 1 Q119
2SD2653K
SOT-23
R0603
HEAD PHONE OUTPUT
P109B
2SJ-ST30-003_2
HPOUTR
9
8
HPDET 7
HPOUTL 6
1
R318
1K
R0603
AU-JACK
D145 D146
NC(EZJZ0V800AA) NC(EZJZ0V800AA)
+12V
2,13 +12V
+5V
2,6,13 +5V
DV33
DV33
DV33SB
DV33SB
GND
GND
AGND_AFE
AGND_AFE
AV1R_IN
8 AV1R_IN
AV1L_IN
8 AV1L_IN
AV / SV AUDIO INPUT
YPBPR0R_IN
8 YPBPR0R_IN
YPBPR0L_IN
8 YPBPR0L_IN
YPBPR AUDIO INPUT
VGAR_IN
9 VGAR_IN
VGAL_IN
9 VGAL_IN
VGA /DVI AUDIO INPUT
I2SIN_DATA
4 I2SIN_DATA
AO1SDATA4
4 AO1SDATA4
AO1SDATA3
4 AO1SDATA3
AO1MCLK
4 AO1MCLK
AO1BCK
4 AO1BCK
AO1LRCK
4 AO1LRCK
AUDIO I2S INTERFACE
AO1AUXR
12 AO1AUXR
AO1AUXL
12 AO1AUXL
SIF_SDA
3,6 SIF_SDA
SIF_SCL
3,6 SIF_SCL
HPDET
12 HPDET
GPIO_0
3,4 GPIO_0
GPIO_2
4,10 GPIO_2
OPCTRL7
4 OPCTRL7
GPIO_19
4 GPIO_19
MUTE
12 MUTE