mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
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P13<br />
U20<br />
South<br />
Br<strong>id</strong>ge<br />
VT8235<br />
8.15 Audio Failure<br />
8355 N/B MAINTENANCE<br />
Symptom:<br />
No sound from speaker after <strong>au</strong>dio driver is installed.<br />
Output Of Audio Subsystem<br />
SPKR_MUTE#<br />
R859<br />
0<br />
AC97_RST#<br />
AC97_SDOUT<br />
AC97_SDIN0<br />
AC97_SYINC<br />
AC97_BITCLK<br />
SPDIFOUT<br />
R781<br />
0<br />
L78<br />
600Z/100M<br />
+AMP_5V<br />
P20<br />
U518<br />
AOUT_R<br />
AC’97<br />
CODEC<br />
ALC202<br />
+3V<br />
AOUT_L<br />
+5VS<br />
36<br />
35<br />
C823<br />
10U<br />
4<br />
VR1<br />
1<br />
C816<br />
10U<br />
Q528<br />
DTA144WK<br />
1 3<br />
L534<br />
120Z/100M<br />
5<br />
2<br />
7<br />
6<br />
3<br />
+AMP_5V<br />
R752<br />
4.7K<br />
R749<br />
10K<br />
C783<br />
1U<br />
3<br />
2<br />
2<br />
1 Q26<br />
Q27<br />
3 DECT_HP#/OPT<br />
2<br />
DTC144TKA DTC144TKA<br />
1<br />
DEVICE_DECT#<br />
C392 2.2U<br />
C806 0.1U<br />
C810 4.7U<br />
C749 0.1U<br />
C383<br />
100U<br />
R771<br />
12.1K<br />
R770<br />
12.1K<br />
R730<br />
12.1K<br />
R729<br />
12.1K<br />
C804<br />
0.1U<br />
C757<br />
0.1U<br />
7<br />
18<br />
20<br />
21<br />
5<br />
4<br />
R765 15K<br />
R764 20K<br />
R735 15K<br />
R734 20K<br />
P21<br />
U517<br />
AMPLIFIER<br />
TPA0202<br />
22<br />
15<br />
3<br />
10<br />
+AMP_5V<br />
R748<br />
15K<br />
ROUT+<br />
ROUT-<br />
LOUT+<br />
LOUT-<br />
C365<br />
100U<br />
SE/BTL#<br />
HP/LINE#<br />
16<br />
14<br />
3<br />
DEVICE<br />
_DECT#<br />
2<br />
C797<br />
0.1U 1 Q529<br />
DTC144TKA<br />
GNT_Code<br />
R312<br />
1K<br />
R313<br />
1K<br />
C370<br />
100U<br />
L505<br />
L506<br />
L509<br />
L508<br />
L537 5<br />
GNT_Code L82 4<br />
R311 22 L76 2<br />
R314 22 L81 3<br />
L536 1<br />
DECT_HP#/OPT 8<br />
7<br />
9<br />
L80<br />
600Z/100M<br />
J4<br />
R Internal<br />
Speaker<br />
1<br />
2<br />
J5<br />
L Internal<br />
Speaker<br />
1<br />
2<br />
J17<br />
Head Phone<br />
Drive<br />
IC<br />
L78<br />
600Z/100M<br />
LED<br />
156
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