Acer A231H Service Manual page 84

5
VDDP_33
+3.3V
FB102
60
C150 +
22u/16V
GND
VDDC_18
+1.8V
FB105
60
D
C142 +
22u/16V C143 C144 C145 C146 C147
0.1/16V 0.1/16V 0.1/16V 0.1/16V 0.1/16V
GND
VCC5V
R161
NC/0
Q106
1
LED_B_C
PMBT3906/NC
R162
1K/NC
R163
330/NC
R0603
LED_B R164 NC/0
VCC5V
R177
C
10K
Q107
1
LED_A_C
PMBT3906
R166
1K
LED_A_CC
R186
R178
LED_A_CC
0
NC/30K
LED_A_A
R187
NC/10K
R165
330
R0603
LED_A
R167
R0603 100/NC
VCC5V
R176
10K
Q108
1
LED_G_C
PMBT3906
R169
1K
B
LED_G_CC
R195
LED_G_CC
R183
0 NC/30K
R185
NC/10K
LED_G_G
R168
220
R170
R0603
100/NC
LED_G
R0603
The Green section is added for Touchpad function key
CN104
2x4P 2.0mm
1
2
3
4
5
6
7
8
9
A
10
To Keypad
Board
GND
5
4
AVDD_33
AVDD_18
3 RED+
3 RED-
3 GREEN+
3 GREEN-
R159 470 C152 0.047u/16V
3 SOG
3 BLUE+
3 BLUE-
3 HSYNC
3 VSYNC
3 DDC_SDA_VGA
3 DDC_SCL_VGA
4 RX2+
4 RX2-
4 RX1+
4 RX1-
4 Rx0+
4 RX0-
4 RXC+
4 RXC-
4 DDC_SDA_DVI
4 DDC_SCL_DVI
AVDD_33 R144
390 1%
C148
1u/16V
+3.3V
C165
0.1/16V
R189 R190
10K/NC 10K GND U108
SDO
8 2
VCC SO
SCZ
7 1
HOLD# CS#
WP_FW SCK
3 6
WP# SCK
SDI
4 5
GND SI
R191
R192 1K PM25LV010A-100SCE
10K
GND C157 22p/50V R147
X101
VCC5V 14.31818MHz
1 Q105 R148
VCC5V
C164 1u/16V C158 22p/50V
2,3,4
NC/PMBT3904
C153 0.1/16V
C174
VDDP_33
NC/10u/10V
R149 10K/NC
Q109
1
NC/PMBT3904
C176
NC/10u/10V
CN104 Pin definition
CN104 Pins
1 (KEY1)
2 (ADC_KEY1)
3 (ADC_KEY2)
4 (LED_B)
5 (LED_A)
6 (GND)
MENU
KEY1
RIGHT/LEFT
ADC_KEY1
7 (LED_G)
AUTO
ADC_KEY2
E-Color
8 (KEY2)
LED_B
LED_A
LED_A
LED_G
LED_G
POWER
KEY2
4
3
VDDP_33
AVDD_33 VDDC_18 AVDD_18
U105
28
RIN0P
VCC5V_DET
27 119
RIN0M GPIO_P17/SAR0
25 120 R154
GIN0P GPIO_P00/SAR1
24 121 R155
GIN0M GPIO_P01/SAR2
26 122
SOGIN0 GPIO_P02/SAR3
23 123
BIN0P GPIO_P06
22 124
BIN0M GPIO_P07
32 2
HSYNC0 GPIO_P14/PWM0
33
VSYNC0
34 3
DDCA_SDA/RS232_TX GPIO_P15/PWM0
35 4 R125
DDCA_SCL/RS232_RX GPIO_P16/PWM2
R160
36
GPIO_P23/PWM1
9 48
RX2P GPIO_P41
10
RX2N
R153
12 50
RX1P GPIO_P24/PWM2
13 51
RX1N GPIO_P27/PWM1
15
RX0P
16 73
RX0N GPIO_P03/PWM3
18 109
RXCKP GPIO_P12/PWM3
19 125
RXCKN GPIO_P26/PWM2
5
DDCD_SDA
6 39
DDCD_SCL I2C_MCL/GPIO_P10
38
I2C_MDA/GPIO_P11
7
REXT
R216
49
GPIO_P42
31 47
REFP GPIO_P04
46
GPIO_P05
30 45
REFM GPIO_P22
TSUMU58NHJ-LF-1
RXO0-
100
LVB0M
RXO0+
41 99
SDO LVB0P
RXO1-
42 98
CSZ LVB1M
RXO1+
43 97
SCK LVB1P
RXO2-
44 96
SDI LVB2M
RXO2+
95
LVB2P
RXOC-
94
LVBCKM
RXOC+
108 93
RST LVBCKP
RXO3-
92
LVB3M
91 RXO3+
LVB3P
0 128 86 RXE0-
XIN LVA0M
85 RXE0+
LVA0P
84 RXE1-
LVA1M
0 127 83 RXE1+
XOUT LVA1P
82 RXE2-
LVA2M
102 81 RXE2+
BYPASS LVA2P
80 RXEC-
LVACKM
79 RXEC+
LVACKP
78 RXE3-
LVA3M
37 77 RXE3+
MODE LVA3P
GND
FHX2300(Dual) Maestro 242DX
Auto SDA
MENU SCL
POWER RESET
LEFT +5V
LED_BLUE LED_ORANGE
VLCD
GND GND
LED_YELLOW LED_BLUE
FOR SINGLE LVDS INPUT
RIGHT POWER
R138 R137
4K7 4K7
U106
8
VCC
WP_OSD
7
WP
SCL_OSD R142 100
6
SCL
SDA_OSD R143 100
5
SDA
AT24C16AN
3
2
+3.3V VCC5V
C166 0.1/16V/NC
R182 20K/NC
100
ADC_KEY1
100
ADC_KEY2
R221 0/NC
LED_B_C
LED_A_C
LED_G_C
R157 100
VOLUME
R158 100
MUTE
1K
KEY2
1K
VGA_DET 3
HPD_CTRL 4
100
KEY1
WP_FW
PANEL_ENABLE 2
CCFL_ENABLE 2
R188
4K7
BRIGHTNESS 2
SCL_OSD
SDA_OSD
1K
DVI_DET 4
WP_EDID 3,4
R146 1K WP_OSD
RXO0-
RXO0+
RXO1-
RXO1+
RXO2-
RXO2+
RXOC-
RXOC+
RXO3-
RXO3+
RXE0-
RXE0+
RXE1-
RXE1+
RXE2-
RXE2+
RXEC-
RXEC+
RXE3-
RXE3+
LPIN6
RL111 0/NC
LPIN5
RL112 0/NC
RL113 0/NC
RL114 0/NC
R0603
GND
2 VLCD
CN105
FFC-CON/NC
30
29
28
RXO0-
27
RXO0- RXO0+
26
RXO0+ RXO1-
25
RXO1+
24
RXO1- RXO2-
23
RXO1+ RXO2+
22
21
RXO2- RXOC-
20
RXO2+ RXOC+
19
RXO3-
18
RXOC- RXO3+
17
RXOC+ RXE0-
16
RXE0+
15
RXO3-
14
RXO3+ RXE1-
13
RXE1+
12
11
RXE2-
10
RXE2+
9
RXEC-
8
RXEC+
7
RXE3-
6
RXE3+
5
4
LPIN6
3
LPIN5
2
1
GND
CON--PI-AL230C
2 VLCD
GND
CON--HR-200PHD2X15ST
+3.3V
C140
0.1/16V
1
A0
2
A1
3
A2
4
GND
GND
2
1
2
2
CN103
FFC-CON
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CON--PI-AL230C
CN107
FFC-CON/NC
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
InnoLux TSUMU58NHJ-LF-1
Document Number : SIZE : APPRO BY :
A2
TITLE :
CHECK BY :
SCALER
DATE : 2010-01-25 DRAWN BY :
Rev :
V01
SHEET 5 OF 5
1
D
C
B
A