Acer V173 Service Manual page 52

MCU_VCC
1 VBRI
1 VOLUMN
1 INVON
1 MUTE
LED2
R129 100
LED1
R130 100
R131 100
3 DDC1_SCL
R133 100
3 DDC1_SDA
Power R134 100
1 Key3
Key/LED
R135 100
IICSCL
IICSDA
WP
AUTO R141 100
1 Key2
3.3VCC
Q107 1
PMBT3906
Q108 1
R143 100 PMBT3906
1 LED_G
R145 100 Q109
1 LED_A
PMBT3906/NC
MENU R146 220
1 Key1
MCU_VCC
C116
0.1/16V
U103
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
AT24C04N
MCU_VCC
C112
C111
+
10u/25V 0.1/16V
MCU_RESET
44
P5.0/PWM0
45
P5.1/PWM1
46
P5.2/PWM2
47
P5.3/PWM3
48
P5.4/PWM4
1
P5.5/PWM5
2
DSCL/P5.6
3
DSDA/P5.7
5
ASCL/P3.0/RXD
8
ASDA/P3.1/TXD
9
RTD2120_LQFP48
P3.2/INT0
10
P3.3/INT1
R136 100 11
P3.4/T0
R137 100 12
P3.5/T1
R139 100 13
P7.6/CLKO2
14
P7.7
U102
RTD2120
LED2
LED1
Key/LED
1
X101
24.000MHz
R147 0
C113 C114
10p/50V 10p/50V
Closed to MCU
WP
IICSCL
IICSDA
MCU_VCC 3.3VCC 3 DSUB_5V
32
NC
31
NC
30
NC
29
NC
28
VSYNC
27
P6.7
26 R170 100
P6.6/CLKO1
25
P6.5
24
P6.4
23
P6.3/ADC3
22 R138
P6.2/ADC2
21 R140
P6.1/ADC1
20
P6.0/ADC0
R142
10K
MCU_VCC
InnoLux
Document Number :
C115
???
+
10u/25V
TITLE :
MCU_RESET
R148
10K
DATE :
SHEET 3
51
MCU_VCC
D101 D102
SN4148 SN4148
2 3
Q105
PMBT3906
R107
3.3VCC
4K7
2
PANELPOWER_ON/OFF 1
RTD_SD3/SDI 4
RTD_SCLK 4
Add
R170/C138
CRYSTAR_OUT 4
DSUB_CONNECT 3
100
LEFT (AUTO)
ADC_key2 1
100
RIGHT (MENU)
ADC_key1 1
C138
10p/50V
BV173
SIZE : APPRO BY :
A4
CHECK BY :
MCU
2007-10-09
DRAWN BY :
Rev :
OF 8 V01
3
Q106
PMBT3906
R128
4K7