Service manual

AVOUTL
AGNDC
SC4R
SC3R
SC2L
AXTALI
AUD_R
AUD_L
AVREF
ACPM
ACPA
SC1R
SC1L
SC2R
SC3L
AXTALO
ANI2
ANIM
ANI1
SC4L
AVOUTR
AVOUTL
LINEL
LINER
AVOUTR
AUD__R
AUD__L
AUD_R
AUD_L
AUD__R AUDR
AUD__L AUDL SPIDF_OPT
SPDIF_COAX
AUD__R
AUD__L
SDAP{4,9,14}
SCLP{4,9,14}
RESETnP{9}
I2S_DOP{9}
T1SNDP{2}
AV1RP{7}
AV1LP{7}
I2S_DI2P{4}
HDMI_CLP{4}
HDMI_WSP{4}
I2SSELP{9}
HDMI_MCLKP{4}
I2S_DI3 P{17}
I2S_WS3 P{17}
I2S_CL3 P{17}
I2SOCLKP{9}
I2SODP{9}
I2SOWSP{9}
ACK18P{14}
I2S_CLP{9}
I2S_WSP{9}
MCLK P{17}
MUTE2P{14}
MUTE1P[14]
AUDR P{13}
AUDL P{13}
AMP_MUTE P{13}
PCLP{6}
PCRP{6}
AV3LP{5}
AV3RP{5}
AV2RP{7}
AV2LP{7}
PWSPDIFP{17}
SPDIF SELECTP{9}
VCCAD VCCAUV8AUD
V8AUD
V33
VCCAD
V5AU
V5AU
V12IN V8AUD
V8AUD
V8AUD
Vsub
V8AUD
V8AUD
VCCAU
V5AU
Vsub
Vsub
VCC
V33
V33
1
2
3
45
HSP-242V2
BOTTOM VIEW
Lo=MUTE
Hi=MUTE
SPDIF Output
HI=DTV
LO= OTHERS
C294
471
D351N4148
A K
R196
220
R184 1K
C326
56p
C315
471
R190
100K
C331
10U
1 2
C341101
C289
471
C301
0.68
R18710K
R170
1K
+
C338 10U
C306
102
R358
10K
C334 .1
R189
1K
C296
100U
12
C321
0.68
R182 100
U25
QS3257
A1
2
A2
5
A3
11
A4
14
B1
3
B2
6
B3
10
B4
13
GND
8
VCC
16
OE
15
A/B
1
Y1
4
Y2
7
Y3
9
Y4
12
C313 .33
R200 10K
R174
47K
R176
100K
R1831K
R169
47K
C309 .33
U24
78D08A
Vo
O
GND
G
Vin
I
C333
22P
C298
.1
C319
.1
C329
47U
12
R177 68
Q12
MMBT3904
B
E C
R181
100K
Q13
3904
CE
B
C300
.1
J6
EARPHONE OUT
1
2
3
4
5
C332
10U
1 2
C314 .33
C297
.1
C299
100U
12
Q11
3904
B
E C
C325
471
R173 220
U26
LD117A-5.0-SOT223
GND
G
VO
O
VI
I
TAB
O1
C308
.1
C327
33P
R172 68
L82 SBK16-102
L79 SBK16-102
C307
0.68
C303
102
U38
74LVC1G126
74LVC1G126-S353
1
2 4
3 5
+
C33522U
C318 .33
R364
0_NC
C316 .33 R185
470K
R19510K
R180
1K
C328
33P
R171
100K
R199
10K
C292
.1
L81 SBK16-102
R188
100K
C339101
L78 SBK16-102
C311 .33
R197
120
C286
471
R175
1K
C288
100U
12
C317 .33
C323
10U
1 2
R193 1K
R18610K
C322 56p
+
C336 10U
C312
10U
1 2
L83 SBK16-102
C320 .33
C302
.1
C324 56p
P4
RCA_Black_V
1
2
3
6
U27
MSP4450G
NC1
1
SCL
2
SDA
3
I2S_CL
4
I2S_WS
5
I2S_DO
6
ADR_DA
8
I2S_DI1
7
ADR_WS
9
ADR_CL
10
DVSUP1
11
DVSUP2
12
DVSUP3
13
DVSS
14
DVSS2
15
DVSS3
16
I2S_DI2
17
NC2
18
I2S_WS3
20
I2S_CL3
19
RESETn
21
I2S_DI3
22
I2S_DI4
23
DACA_R
24
DACA_L
25
VREF2
26
DACM_R
27
DACM_L
28
NC3
29
DACM_SUB
30
NC4
31
NC5
32
SC2_OR
33
SC2_OL
34
VREF1
35
SC1_OR
36
SC1_OL
37
CAPL_A
38
AHVSUP
39
CAPL_M
40
NC6
41
NC7
42
AHVSS1
43
AHVSS2
44
AGNDC
45
NC8
46
SC4_IL
47
SC4_IR
48
ASG3
49
SC3_IL
50
SC3_IR
51
ASG2
52
SC2_IL
53
SC2_IR
54
ASG1
55
SC1_IL
56
SC1_IR
57
VREFTOP
58
NC9
59
MONO_IN
60
AVSS1
61
AVSS2
62
NC10
63
NC11
64
AVSUP1
65
AVSUP2
66
ANA_IN1p
67
ANA_INm
68
ANA_IN2p
69
TESTEN
70
XTALI
71
XTALO
72
TP
73
AUD_CLO
74
NC12
75
NC13
76
DCTR_IO1
77
DCTR_IO2
78
ADR_SEL
79
STDBYn
80
R363
100
R194
470K
C310
0.68
C291
100U
12
C290
.1
Q10
MMBT3904
B
E C
R191 100
C340101
Q7
3904
B
E C
+
C33722U
C287
.1
U47
74LVC1G126
74LVC1G126-S353
1
2 4
3 5
C330
.1
D361N4148
A K
P5
TOTX179
VCC
2
IN
1
GND
3
R179
100K
Q25
3904
CE
B
C295
.1
CON8
HSP-242V2
1
3
2
R1921K
C305
102
Y3
XTAL18.432
1 2
3
R178 220
R198 0
C304
102
L80 SBK16-102
Q9
3904
B
E C
C293
100U
12
Q8
3904
B
E C
ViewSonic Corporation Confidential - Do Not Copy N4261w-1M
38
AUDIO PROCESSOR9.8