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Prestigio Cavaliere 141
8.13 Audio Failure
Symptom:
No sound from speaker after audio driver is installed.
Output Of Audio Subsystem
P
16
P
20
AC97_RESET#
U522
AC97_SDOUT
AC'97
AC97_SDIN0
CODEC
U516
AC97_SYINC
ALC202
AC97_BITCLK
South
Bridge
SiS961
SPK_OFF
R714
C269
10K
AOUT_R
4.7U
36
C264
4.7U
R713
C774 4.7U
10K
R205
C265
AOUT_L
10K
4.7U
C266 4.7U
35
R206
10K
C267 4.7U
+5V
+3V
Q35
R216
DTC144TKA
100K
1
3
L540
120Z/100M
+5V
P
21
C779
C809
100U
0.1U
R717
15K
R716
33K
R209
15K
R210
33K
22
15
20
21
U521
3
5
10
AMPLIFIER
4
APA2020ARI
MUTE_IN
LINE_IN#
16
SE/BTL#
14
HP/LINE#
7
18
C785
0.1U
126
Technical Service Manual
J3
J1
P
32
ROUT+
ROUT+
46
ROUT-
ROUT-
44
Charge Board
L502
LOUT+
L501
LOUT-
C796
C795
100U
100U
+5V
R224
R223
L42
22
100K
3
5
R225
4
R222
L41
22
100K
2
1
L38
R218
R217
600Z/100M
1K
1K
J502
L503
1
L502
2
R Internal
Speaker
1
J501
L Internal
2
Speaker
P
21
J514
Head Phone
P
21
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