Acer AL2423 W Service Manual page 50

5
DQ_B_[0..15]
DQ_B_[0..15]
DQ_A_[0..15]
DQ_A_[0..15]
A[0..10]
A[0..10]
+3.3_MEM
D
U9 U9
1
VDD
DQ_A_0
2
DQ0
DQ_A_1
3
DQ1
4
VSSQ
DQ_A_2 5
DQ2
DQ_A_3
6
DQ3
7
VDDQ
DQ_A_4
8
DQ4
DQ_A_5
9
DQ5
10
VSSQ
DQ_A_6 11
DQ6
DQ_A_7
12
DQ7
13
VDDQ
14
DQM LDQM
WE#
15
WE# /WE
CAS# 16
CAS# /CAS
RAS#
17
RAS#
/RAS
R124 R124 2K 2K CS#
18
/CS
BA
19
BA
BA
A10
20
A10
A0 21
A0
A1
22
A1
A2
23
A2
GND A3
24
A3
25
VDD
HY57V161610D / MT48LC1M16A1TG S HY57V161610D / MT48LC1M16A1TG S
MCLK
C
150K 150K
CN4 CN4 R132 R132 FB9 FB9 L1206 L1206
1
left_in
5
4
3 R134 R134 150K 150K FB12 L1206 FB12 L1206
2
ZD005D100 ZD005D100
B
R145 33R R145 33R
STBY
STBY
R153 R153
2K2/NC 2K2/NC
GND_AUD GND_AUD
R165 10K/NC R165 10K/NC
+3.3_DVDD
R218 R218
R167 0R R167 0R R168 100K R168 100K
PWM1
PWM1
R169 4K7/NC R169 4K7/NC
B Q4 Q4
3904/NC 3904/NC
GND_AUD
GND_AUD
A
5
4
+3.3_MEM
+3.3_MEM_Q
IC50TSOPII IC50TSOPII
50
VSS
DQ_A_15 DQ_B_0
49
DQ15
DQ_A_14 DQ_B_1
48
DQ14
47
VSSQ
46 DQ_A_13 DQ_B_2
DQ13
DQ_A_12 DQ_B_3
45
DQ12
44
VDDQ
DQ_A_11 DQ_B_4
43
DQ11
DQ_A_10 DQ_B_5
42
DQ10
41
VSSQ
40 DQ_A_9 +3.3_MEM DQ_B_6
DQ9
DQ_A_8 DQ_B_7
39
DQ8
38
VDDQ
37
NC
WE#
36
UDQM
35 CAS#
CLK
CKE RAS#
34
CKE
CS#
33
NC
A9 R122 R122 BA
32
A9
A8 A10
31 2K 2K
A8
30 A7 A0
A7
A6 A1
29
A6
A5 A2
28
A5
A4 A3
27
A4
26
VSS
HY57V161610D / MT48LC1M16A1TG S HY57V161610D / MT48LC1M16A1TG S
Alternate make:
GND
K4S161622D-TC/L55, 163MHz, Samsung
GND_AUD
SPKRO- SPKRO+
+12V_A +12V_A
LIN
FB10 FB10 FB11 FB11
RIN L1206 L1206 L1206 L1206
C127 C127 C128 C128 C129 C129
22uF/25V 22uF/25V 0.1uF 0.1uF C135 C135 C136 C136 0.1uF 0.1uF
0.01uF 0.01uF 0.01uF 0.01uF
GND_AUD GND_AUD
U11 U11
GND_AUD
1
SD VCLAMPR
RIN C138 1uF_X C138 1uF_X
2
RINN NC
C139 1uF_X C139 1uF_X 3
RINP MUTE
C140 1uF_X C140 1uF_X
4
V2P5 AVCC
C141 1uF_X C141 1uF_X
5
LINP NC
LIN C144 1uF_X C144 1uF_X 6
LINN NC
7
AVDDREF FADE
8
VREF AVDD
R217 R217 0R 0R 9
AGND COSC
0R/NC 0R/NC
10
AGND ROSC
11
VOLUME AGND
12
REFGND VCLAMPL
C150 C150
0.1uF 0.1uF
GND_AUD TPA3003D2 TPA3003D2
+12V_A +12V_A
C151 C151 C152 C152
0.01uF 0.01uF 0.01uF 0.01uF
C153 C153 C154 C154 FB13 FB13 FB14 FB14 C155 C155
22uF/25V 22uF/25V 0.1uF 0.1uF L1206 L1206 L1206 L1206 0.1uF 0.1uF
GND_AUD GND_AUD
SPKLO- SPKLO+
GND_AUD
4
3
+3.3_MEM_Q
U10 U10
IC50TSOPII IC50TSOPII
1 50
VDD VSS
DQ_B_15
2 49
DQ0 DQ15
DQ_B_14
3 48
DQ1 DQ14
4 47
VSSQ VSSQ
5 46 DQ_B_13
DQ2 DQ13
DQ_B_12
6 45
DQ3 DQ12
7 44
VDDQ VDDQ
DQ_B_11
8 43
DQ4 DQ11
DQ_B_10
9 42
DQ5 DQ10
10 41
VSSQ VSSQ
11 40 DQ_B_9
DQ6 DQ9
DQ_B_8
12 39
DQ7 DQ8
13 38
VDDQ VDDQ
14 37
LDQM NC
15 36
/WE UDQM
16 35 09/23 FIX
/CAS CLK
CKE R123 R123
17 34
/RAS CKE
18 33
/CS NC
A9 R125 R125
19 32
+3.3_SDRAM
BA A9
A8
20 31
A10 A8
21 30 A7
A0 A7
A6
22 29
A1 A6
A5
23 28
A2 A5
A4
24 27
A3 A4
25 26
VDD VSS
GND
MPWR
MPWR
+12V_A
R129 R129
10K/NC 10K/NC
R130 33R/NC R130 33R/NC
MUTE
R131 4K7/NC R131 4K7/NC
Q3 Q3
B
MUTE
3904/NC 3904/NC
R133 R133
10K/NC 10K/NC
C130 C130
22uF/25V 22uF/25V
GND_AUD
+3.3_DVDD
C137 1uF_X C137 1uF_X
36
GND_AUD
R151 R151 0R 0R R152 R152
35
6K8/NC 10K/NC 10K/NC
34 MUTE
33
+12V_A
32
R162 R162 0R/NC 0R/NC C142 C142 C143 C143
31 0.1uF 0.1uF 22uF/25V 22uF/25V
R164 R164
0R/NC 0R/NC
30
29 C145 0.1uF C145 0.1uF GND_AUD
28 C146 220pF C146 220pF
R166 R166 120K 120K GND
27
26
25 C149 1uF_X C149 1uF_X
GND_AUD
CN6 CN6
SPKRO+
1
SPKRO-
2
SPKLO+
3
SPKLO-
4
4501-04-04P-R 4501-04-04P-R
C156 C156
+12V_A +12V
22uF/25V 22uF/25V
FB15 L1206 FB15 L1206
FB16 L1206 FB16 L1206
GND_AUD GND
3
2
3 3
1 2 1 2
3904 SI2301
Component Component
top view top view
0R 0R Q1 Q1
SI2301DS/NC SI2301DS/NC FB7 FB7 L1206 L1206
0R/NC 0R/NC
S D
C106 C106 C107 C107 C108 C108
C111 C111 R126 R126 C112 C112
4K7/NC 4K7/NC 47uF/10V 47uF/10V 0.1uF 0.1uF 0.1uF 0.1uF
47uF/25V/NC 47uF/25V/NC 0.1uF/NC 0.1uF/NC
GND
FB8 FB8 L1206 L1206
R127 R127
470R/NC 470R/NC C114 C114 C116 C116 C117 C117
C113 C113 C115 C115
47uF/10V 47uF/10V 0.1uF 0.1uF 47uF/10V 47uF/10V 0.1uF 0.1uF 0.1uF 0.1uF
R128/NC 1K R128/NC 1K
B
C124 C124 Q2 Q2
3904/NC 3904/NC
0.1uF/NC 0.1uF/NC
GND
LV_O[0..9]
LV_O[0..9]
LV_E[0..9]
LV_E[0..9]
CN5 CN5
LV_O0 R137 R137 0R 0R TXO0- TXO0+ R138 R138
1 2
LV_O2 R139 R139 0R 0R TXO1- TXO1+ R140 R140
3 4
LV_O4 R141 R141 0R 0R TXO2- TXO2+ R142 R142
5 6
7 8
LV_O6 R143 R143 0R 0R TXOC- TXOC+ R144 R144
9 10
LV_O8 R146 R146 0R 0R TXO3- TXO3+ R147 R147
11 12
LV_E0 R148 R148 0R 0R TXE0- TXE0+ R149 R149
13 14
15 16
LV_E2 R154 R154 0R 0R TXE1- TXE1+ R155 R155
17 18
LV_E4 R156 R156 0R 0R TXE2- TXE2+ R157 R157
19 20
LV_E6 R158 R158 0R 0R TXEC- TXEC+ R159 R159
21 22
LV_E8 R160 R160 0R 0R TXE3- TXE3+ R161 R161
23 24
25 26
27 28
29 30
1841-30P 1841-30P
Panel_Power GND
PNL_PWR
C147 C147 C148 C148
100uF/25V 100uF/25V 0.1uF 0.1uF
GND
Title Title Title
02. SDRAM/AMP/OUTPUT
Size Size Size Document Number Document Number Document Number
SCHEMATIC1
1
Tuesday, December 13, 2005
Sheet Dheet T
2
1
D
+3.3_MEM
C109 C109 C110 C110
0.1uF 0.1uF 0.1uF 0.1uF
+3.3_MEM_Q
GND
C118 C118 C119 C119 C120 C120 C121 C121 C122 C122 C123 C123
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
C
GND
B
0R 0R LV_O1
0R 0R LV_O3
0R 0R LV_O5 +3.3_DVDD
0R 0R LV_O7
0R 0R LV_O9
0R 0R LV_E1 R150 R150
10K/NC 10K/NC
0R 0R LV_E3
0R 0R LV_E5
0R 0R LV_E7
0R 0R LV_E9
R163 R163
0R/NC 0R/NC
GND
A
PROJECT PROJECT : WDTB
Techview Inc. Techview Inc.
Rev Rev Rev
WDTB
C2A C2A
2 of 8
2 2 of of 8 8
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