Acer Extensa 390 Service Guide

Date:   August 21, 1997Sheet    3of   23SizeDocument NumberREV
A296183SDTitle
390 ACERNOTE LIGHT         M1533 ACER TAIPEI TAIWAN R.O.C
21
13,14,17,19,214,17 4,17
4,14,17
4,14,1714,17,19,21
13,19
19 1
2
R90
10KR3
C124
SCD1U
  12R89
0R3
1
2C123
ST10U16VBM
1
2
RX27
27KR3
1
2
X2
XTAL-32.768KHZ 1
2R117
10MR3C328
SC10P
C329
SC10P
$OSC32KI
$OSC32KII $OSC32KI $RSM#
+3.3V
8
4,14
17,21 4,13,19,21 19 19
19 4,162019 19,21 19,21
20
TCAENBALE
LA[17..23]SA[0..16]
DACK#[0..3]DACK#[5..7]...

Date:   August  7, 1997Sheet    4of   23SizeDocument NumberREV
A296183SDTitle
390 ACERNOTE LIGHTISA PULL HIGH & PULL LOW ACER TAIPEI TAIWAN R.O.C
3,14
3,14,17
3,11,17  1
  2
  3
  45 6 7 8
RP67
SRN10K
  1
  2
  3
  45 6
7
8
RP66
SRN10K
  12
R328
0R3
IRQ3IRQ4IRQ5IRQ6
IRQ7IRQ9IRQ10IRQ11IRQ11 IRQ10 IRQ9 IRQ7 IRQ6 IRQ5
IRQ4 IRQ3
+3.3V
3
33,11,14,17,21
3,11,14,21
3,11,14,17,21
3,11,14,17,21
3,11,14,17,21 3
3  12R116
DUMMY-R3
  12
R110
DUMMY-R3
SMEMW#
SMEMR#
SYSCLK
$AMSTAT#
USE3
3,14 3,14
3,14 3,14   1
  2...

Date:   August 21, 1997Sheet    5of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHT   CACHE RAM & TAG RAM ACER TAIPEI TAIWAN R.O.C
C378
SCD1U
CY2
SCD1U
  1
  2 3 1
4
7U47A
TSHCT08
  4
  5 6 1
4
7
U47B
TSHCT08 D   2
CLK   3Q 5
Q 6 VCC  14
P
R4
GND   7
C
L
1
U43A
SOAC74
D  12
CLK  11Q 9
Q 8 VCC  14
P
R1
0
GND   7
C
L
1
3
U43B
SOAC74
+5V
+5V
+5V
1,2$CPUD[0..63]
$
C
P
U
D
1
7$
C
P
U
D
1
8$
C
P
U
D
1
9$
C
P
U
D
2
0$
C
P
U
D
2
1$
C
P
U
D
2
2$
C
P
U
D
2
3$
C
P
U
D
2
4$
C
P
U
D
2
5
$CPUD26...

Date:   August  4, 1997Sheet    6of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHT      DIMM SOCKET-1 ACER TAIPEI TAIWAN R.O.C
  1
  3
  5
  7
  9
 11
 13
 15
 17
 19
 21
 23
 25
 27
 29
 31
 33
 35
 37
 39
 41
 43
 45
 47
 49
 51
 53
 55
 57
 59
 61
 63
 65
 67
 69
 71
 73
 75
 77
 79
 81
 83
 85
 87
 89
 91
 93
 95
 97
 99
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141 2
 4
 6
 8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54...

Date:   August  7, 1997Sheet    7of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHT       DIMM SOCKET-2 ACER TAIPEI TAIWAN R.O.C
C389
SCD1UC383
SCD1UC384
SCD1UC387
SCD1UC382
SC4D7U16V6ZY
  1
  3
  5
  7
  9
 11
 13
 15
 17
 19
 21
 23
 25
 27
 29
 31
 33
 35
 37
 39
 41
 43
 45
 47
 49
 51
 53
 55
 57
 59
 61
 63
 65
 67
 69
 71
 73
 75
 77
 79
 81
 83
 85
 87
 89
 91
 93
 95
 97
 99
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141 2
 4
 6
 8
10
12
14
16...

Date:   August  7, 1997Sheet    8of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHT CY2272 CLOCK GENERATOR ACER TAIPEI TAIWAN R.O.C
3 21
1
2RX33
DUMMY-C31
2RX34
DUMMY-C31
2RX35
DUMMY-C3 M
O
D
E
M
1
4
MG
1
4
.
3
1
8
MK
B
D
1
4
M 9,23
3  12R102
33R3
  12
R272
33R3   12
R271
33R3C325
SCD1U
CY1
SCD1U A   1BE# 4 GND   3VCC 5
B   2
UY1
NC7SZ384-2
  1
2 3
QZ1
2N7002
  12RZ6
10KR3
  5 6 1
44
7
U38B
SSAHCT125
$VGA14M
G14.318M
MODEM14M
TV_EN
+5V
+5V
+5V
  12R310
33R3
  12
R312
33R3
1
2R265
22R3
1
2...

Date:   August  7, 1997Sheet    9of   23SizeDocument NumberREV
A296183SDTitle
390 ACERNOTE LIGHTVGA CONTROLLER CHIP 65555 & VRAM     ACER TAIPEI TAIWAN R.O.C
C49
SCD1UC62
SCD1U
VCC   1
DQ0   2
DQ1   3
DQ2   4
DQ3   5
VCC   6
DQ4   7
DQ5   8
DQ6   9
DQ7  10
N.C  11
N.C  12
N.C  13
N.C  14
WE 15RAS 16
N.C  17
A0  18
A1  19
A2  20
A3  21
VCC  22VSS44
DQ1543
DQ1442
DQ1341
DQ1240
VSS39
DQ1138
DQ1037
DQ936
DQ835
N.C34
N.C33
N.C32LCAS31UCAS30OE29
A828
A727
A626
A525
A424
VSS23
U4
S256K16-50 $VMAD0
$VMAD1...

Date:   August 21, 1997Sheet   10of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHT      CRT & LCD CONN ACER TAIPEI TAIWAN R.O.C
4
5
1
5
2
 2 4 6 8101214161820222426283032343638404244464850
  1  3  5  7  9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
CN9
AMP-CONN50A
CX23
SC1KP$DISPLAY
$LCD_HSYNC$R0
$R1
$R3 923 2323 2323
 16
 17   5
 10
 14
  3
  8
 12
  1
  6  15
  4
  9
 13
  2
  7
 11CN4
VIDEO-15-4-D
$P[0..23]
DOCK_DDC_CLKDOCK_VSW3DOCK_VSYNC$DOCK_BDOCK_HSYNC
9
94
C235...

Date:   August  4, 1997Sheet   11of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHTPCMCIA CONTROLLER CHIP PCI 1250    ACER TAIPEI TAIWAN R.O.C
VCCP BYPASS CAP
1212 12 12
12
12
12
12
12
12
C149
SCD1UC163
SCD1UC162
SCD1UC157
SCD1U
BCAD[0..31]BCCBE#[0..3]BCCLK
BCAUDIOBCBLOCK#BCDEVSEL#BCFRAME#BCGNT#BCINT#BCIRDY# B
C
A
D
5B
C
A
D
4B
C
A
D
3B
C
A
D
2B
C
A
D
1B
C
A
D
0
+3.3V
  12R144
33R3
B
C
A
D
3
1B
C
A
D
3
0B
C
A
D
2
9B
C
A
D
2
8B
C
A
D
2
7B
C
A
D
2
6B
C
A
D
2
5B
C
A
D
2
4B
C
A
D
2
3B
C
A
D
2...

Date:   August  7, 1997Sheet   12of   23
SizeDocument NumberREV
A396183SD
Title
390 ACERNOTE LIGHTPCMCIA SOCKET & POWER CONTROLLER TPS2206          ACER TAIPEI TAIWAN R.O.C
11
B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20B21B22B23B24B25B26B27B28B29B30B31B32B33B34B35B36B37B38B39B40B41B42B43B44B45B46B47B48B49B50B51B52B53B54B55B56B57B58B59B60B61B62B63B64B65B66B67B68B69B70B71B72B73B74B75B76...