Acer 390 Series Service Manual page 196

+5V
1
+5V
2
C290
ST4D7U
1
RZ13
10KR3
2 U27
1 16
3 ENAUDIO# SH_DOWN HP-IN
2 15
GND GND
+OUTL 3 14
+OUTA +OUTB
4 13
VDD VDD
-OUTL 5 12
-OUTA -OUTB
-INL 6 11
-INA -INB
7 10
GND BYPASS
8 9
+INA +INB
LM4863
C291
SC1U25V5MY
CN14
11 1
12 2 LINE_OUT_L
13 3 LINE_OUT_R
14 4 OP_HP_IN
15 5
16 6 LINE_IN_L
17 7 LINE_IN_R
18 8 MIC_IN
19 9
20 10
MOLEX-CON10-2
AUDIO JACK BOARD FOR 390
-INL
R80
1 2
17 SOUND_L
33KR3
OP_HP_IN
OP_HP_IN 23
+OUTR 1
R76
-OUTR 100KR3
-INR
2
-INR
R77
1 2
17 SOUND_R
33KR3
+5VA
LINE_OUT_L 23
LINE_OUT_R 23
+5V
LINE_IN_L 17,23
LINE_IN_R 17,23
MIC_IN 17,23
C68 R36
1 2
21 MODEM_SPKR
SCD1U 20KR3
C310 R23 R26
1 2 1 2
12 BCAUDIO
SCD1U 10KR3 10KR3
3
1 Q10
3 ZVB_ON
2N7002
1 2
R141
100KR3
2
C271 R40 R39
1 2 1 2
12 ACAUDIO
SCD1U 10KR3 10KR3
3
1 Q11
3 ZVA_ON
2N7002
1 2
R120
100KR3
2
R85
1 2 -OUTL
47KR3
CZ5 C308
1 2 LINE_OUT_L
SC150P ST100U10VDM
R73
1 2 -OUTR
47KR3
CZ6 C299
1 2 LINE_OUT_R
SC150P ST100U10VDM
1
R214
20KR3
2
OP_VREF
1
R215 C43
20KR3 SC1U25V5MY
2
+5VA
OP_VREF
+5VA
1 C42
R37 C63 SCD1U
20KR3 SCD1U
U5B
2
5
C265 R216 7
1 2 6
SCD1U 20KR3 SLM1458
1
R29 C37
20KR3 SC3300P50V3KX
2
R35
1 2
20KR3
C260
SC330P
CN13
-OUTL
1
+OUTL
2
CON2-10
CX28 CX29
SC1KP SC1KP
CN15
-OUTR
1
+OUTR
2
CON2-10
CX30 CX31
SC1KP SC1KP
+5VA
OP_VREF
C264
SCD1U
C259
SCD1U
U5A
8
3
C75 R218 1
1 2 2
MIC_IN
SCD1U 20KR3 SLM1458
4
R219
1 2
47KR3
C263
SC150P
RDATA_RACE
RDATA_RACE 17
C50
MODEM_MIC 21
SCD1U
C54
A_VS2
A_VS2 11,12
SCD1U
C38
B_VS2
B_VS2 11,12
SCD1U
ACER TAIPEI TAIWAN R.O.C
OP AMP LM4863 & DATARACE & JACK
Title
390 ACERNOTE LIGHT
Size Document Number REV
A2 96183 SD
Date: August 15, 1997 Sheet 18 of 23