Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
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AOUT_R<br />
C326<br />
4.7µ<br />
From previous page<br />
AOUT_L<br />
C318<br />
4.7µ<br />
From previous page<br />
8.10 Audio Failure – Audio OUT<br />
C327<br />
4.7µ<br />
C325<br />
0.1µ<br />
+5V<br />
CAGND<br />
C646<br />
0.1µ<br />
C324<br />
4.7µ<br />
<strong>8080</strong> N/B Maintenance<br />
No sound from speaker after audio driver is installed.<br />
L530<br />
120Z/100M<br />
JS5<br />
R645<br />
10K<br />
R646<br />
10K<br />
R649<br />
10K<br />
R648<br />
10K<br />
C629<br />
100µ<br />
C649<br />
0.1µ<br />
R650<br />
15K<br />
R651<br />
33K<br />
RHP_IN<br />
RLINE_IN<br />
LHP_IN<br />
C645<br />
0.1µ<br />
LLINE_IN<br />
R653<br />
33K<br />
R652<br />
15K<br />
21<br />
20<br />
7,18<br />
5<br />
4<br />
RLINE IN<br />
RHP IN<br />
LVDD/RVDD<br />
P13<br />
U511<br />
Amplifier<br />
APA2020A<br />
LHP IN<br />
LLINE IN<br />
ROUT+<br />
LOUT+<br />
SE/BTL#<br />
HP/LINE#<br />
14<br />
16<br />
22<br />
15<br />
3<br />
10<br />
C630<br />
100µ<br />
C664<br />
100µ<br />
LOUT+<br />
LOUT-<br />
ROUT+<br />
ROUT-<br />
AGND<br />
+5V<br />
AMP_SHUTDOWN 4<br />
Q23<br />
DTC144WK<br />
R324<br />
1K<br />
5<br />
AVDDAD<br />
R311<br />
15K<br />
C328<br />
100P<br />
L501<br />
600Z/100M<br />
L502<br />
600Z/100M<br />
U18<br />
NC7S32<br />
P22<br />
R330<br />
1K<br />
1<br />
2<br />
C329<br />
100P<br />
J503<br />
L<br />
1<br />
2<br />
J506 J1<br />
46<br />
48<br />
SPK_OFF<br />
AMP_DOWN<br />
+5V<br />
R327<br />
22<br />
R331<br />
22<br />
Q26<br />
DTC144TKA<br />
R347<br />
4.7K<br />
L37<br />
600Z/100M<br />
+5V<br />
R314<br />
4.7K<br />
R1<br />
SPDIFOUT<br />
From previous page<br />
Internal Speaker Connector<br />
45<br />
47<br />
From previous page<br />
L4<br />
600Z/100M<br />
L3<br />
600Z/100M<br />
1<br />
2<br />
DECT_HP#/OPT<br />
DEVICE_DECT#<br />
L533<br />
600Z/100M<br />
L535 600Z/100M<br />
L536<br />
600Z/100M<br />
J4<br />
R<br />
+3V<br />
R346<br />
10K<br />
Q513<br />
DTA144WK<br />
L38<br />
600Z/100M<br />
L531<br />
120Z/100M<br />
L532<br />
120Z/100M<br />
R1 Q31<br />
DTC144TKA<br />
5<br />
4<br />
3<br />
2<br />
1<br />
7<br />
8<br />
9<br />
R343<br />
10K<br />
Transfer Board<br />
Drive<br />
IC<br />
J518<br />
LED<br />
LINE OUT<br />
AVDDAD<br />
128
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