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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U3<br />
I/O<br />
Controller<br />
Hub<br />
P18<br />
P10<br />
82801DBM<br />
ICH4-M<br />
U17<br />
PCMCIA<br />
Controller<br />
8.10 Audio Failure – Audio IN<br />
SPK_OFF<br />
SBSPKR<br />
CARDSPK#<br />
<strong>8080</strong> N/B Maintenance<br />
No sound from speaker after audio driver is installed.<br />
ACRST#<br />
ACSDIN0<br />
ACSYNC<br />
ACSDOUT<br />
ACBITCLK<br />
C620<br />
0.1µ<br />
+5V<br />
AGND<br />
R629<br />
47K<br />
C323<br />
0.1µ<br />
L31<br />
120Z/100M<br />
1<br />
2<br />
3<br />
To next page<br />
U508<br />
JS4<br />
NC7S32<br />
5<br />
4<br />
AGND<br />
L527 120Z/100M<br />
C315<br />
10µ<br />
+5V<br />
R633<br />
10K<br />
R632<br />
R631<br />
R634<br />
2K<br />
AGND<br />
C633<br />
0.1µ<br />
C621<br />
0.1µ<br />
AVDDAD<br />
22<br />
22<br />
AGND<br />
C644<br />
0.1µ<br />
PC_BEEP<br />
25,38<br />
11<br />
8<br />
10<br />
5<br />
6<br />
12<br />
AVDD[1,2]<br />
U509<br />
Audio Codec<br />
STAC9750<br />
PC_BEEP<br />
P12<br />
20<br />
18<br />
48<br />
35<br />
36<br />
C632 0.33µ<br />
C628 0.33µ<br />
SPDIFOUT<br />
AOUT_L<br />
AOUT_R<br />
H8_AVREF<br />
R328<br />
0<br />
C331<br />
4.7µ<br />
R340<br />
4.7K<br />
C665<br />
2.2µ<br />
AGND AGND<br />
21 MIC1<br />
C634<br />
1µ<br />
MIC<br />
R308<br />
6.8K<br />
To next page<br />
R301<br />
6.8K<br />
R654<br />
4.7K<br />
C666<br />
100P<br />
L537<br />
600Z/100M<br />
R309 6.8K<br />
R302 6.8K<br />
L35<br />
600Z/100M<br />
L13<br />
L32<br />
C340<br />
47P<br />
L538<br />
600Z/100M<br />
AGND<br />
AGND AGND CAGND<br />
CDROM_RIGHT<br />
CDROM_LEFT<br />
120Z/100M<br />
120Z/100M<br />
1<br />
2<br />
MIC1<br />
3<br />
5<br />
4<br />
2<br />
1<br />
AGND<br />
J519<br />
External<br />
MIC<br />
19 C631 0.33µ CDROM_COMM 3<br />
L36 120Z/100M<br />
L529 120Z/100M<br />
2<br />
1<br />
Internal<br />
MIC<br />
J509<br />
P11<br />
CDROM<br />
Connector<br />
127
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