Acer AT2231 Service Manual Page 49
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49
R155
12K OHM 1/10W
R144
75 OHM 1/8W
TV CVBS Output
R156
47K OHM 1/10W
+5V
R167
4.7K OHM 1/10W
C120
0.047uF
AUR1 8
C139
NC
R162
1.5K OHM 1/10W
SC_CVBS 8
AUDIO_OUT_L
close
to
audio
amp
FB109
300 OHM
1 2
C152
4.7uF
D113
BAV99
3
1
2
C144
4.7uF
R181
100K OHM 1/10W
R161
100 OHM 1/10W
C147 4.7uF
AUL1 8
SC_FSW
C136
47pF
Placement Near
MST.IC DAC
output Pad
SCB+ 8
C128
47pF
R165
680 OHM 1/10W
SCART OutL0 10
R170
33K OHM 1/10W
C153
2.2uF
LineMute10
C135
2.2uF
R138
47 OHM 1/16W
R145
75 OHM 1/10W
R142
75 OHM 1/8W
R174
100K OHM 1/10W
C119
0.047uF
Audio L-Out
SC_FS 8
R179
100 OHM 1/10W
D115
BAV99
3
1
2
Blue I/O
+
C142
100uF/16V
C118
0.047uF
R163
75 OHM 1/8W
Switch
R182
NC
C154
1uF
C131
0.001uF
AUDIO_OUT_R
C148
100pF
C133
560pF
Q103
PMBS3906
R178
680 OHM 1/10W
Gainx2
R150
12K OHM 1/10W
+
C129
100uF/16V
SCART
CN106
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
R180
4.7K OHM 1/10W
C151
4.7uF
SCG+
C132
NC
C125
47pF
R177
47K OHM 1/10W
R152
NC
SC_FS
C146
0.001uF
R154
10K OHM 1/10W
C122
47pF
R141
75 OHM 1/8W
R148 10K OHM 1/10W
C121
0.047uF
R140
47 OHM 1/16W
R164
100K OHM 1/10W
1.0
Acer AT1930/2230
A3
412Tuesday , July 22, 2008
715T2849-1
<
称爹
>
04 SCART & YPbPr Input
OEM MODEL Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬
隔
瓜
絪
腹
CLOSE TO CHIP
R149
75 OHM 1/16W
LineMute
+
C127
10UF16V
C150
0.01uF
LineMute
R160
47K OHM 1/10W
C145
4.7uF
R146
470 OHM 1/16W
R169
4.7K OHM 1/10W
D116
BAV99
3
1
2
R185
33K OHM 1/10W
Red I/O
SCART OutR0 10
+
C140
10UF16V
C137
47pF
Blanking I/O
D114
BAV99
3
1
2
VIDEO_OUT3
R157
10K OHM 1/16W
R175
22K OHM 1/10W
Audio R-Input
C138
0.001uF
SCR+ 8
Q106
PMBS3904
CVBS INPUT
SCR+
C149
0.001uF
Audio L-Input
2Vp-p
C141
560pF
R171
10K OHM 1/10W
R172
100 OHM 1/10W
C123
47pF
C157
100pF
R158
10K OHM 1/10W
Q105
PMBS3904
FB110
300 OHM
1 2
Green I/O
SC_CVBS
R173
100K OHM 1/10W
C156
0.01uF
SCART_ARin1
R184
47K OHM 1/10W
C143
1uF
R137
47 OHM 1/16W
C124
47pF
CVBS OUT
TVOUT2
Q104
PMBS3904
R186
10K OHM 1/10W
R166
NC
+
-
-
+
4.0V
U102
LM358D
3
2
1
4 8
5
6
7R168
100 OHM 1/10W
V8AUD
SCB+
FB105
600 OHM
12
SC_FSW 8
R183
22K OHM 1/10W
C155 4.7uF
SCG+ 8
C130
2.2uF
R143
75 OHM 1/8W
R176
47K OHM 1/10W
C134
0.1uF
+5V
Audio R-Out
R151
10K OHM 1/16W
R159
75 OHM 1/16W
C126
0.1uF
R139
47 OHM 1/16W
- Acer AT2230 & AT2231 1
- Service Guide 1
- Preface 4
- Notice: 4
- Warning: 4
- Precautions 5
- General Specifications 7
- Precautions And Notices 8
- D-SUB PIN Distribution 9
- Analog RGB Signal Timing 10
- Panel Features 11
- Test Conditions 12
- Optical Specifications 12
- Chapter 2 13
- Chapter 3 14
- Teletext 15
- Using the OSD Menus 16
- Chapter 4 23
- Disassemble the back cover 24
- Remove the Shielding-EMI 24
- Disassemble the speaker 25
- Remove the main frame 26
- Disassemble the IR board 26
- Chapter 5 27
- Abnormal display 28
- No sound 29
- No Power (No LED indicator) 30
- W / LED, No Backlight 31
- Key Board 32
- 2. Run the program ISP_Tool 33
- “Connect” again 34
- PC mode display adjustment 39
- Pattern-1 39
- Chapter 8 40
- Part List 41
- EDID Data 43
- Chapter 9 44
- IR board 47
- Main Board 48
- TV CVBS Output 49
- Key Component 50
- To scaler 51
- 8 bit LVDS 52
- R/B SWAP 53
- MST99980CLD-LF 53
- 2M X 16bit X 4BK 54
- System Standby Power 56
- ISP PORT 57
- ( Front ) 60
- PCB key location 60
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