Service manual
D
TO BUTTON BOARD
DEBUG PORT
PARAMETER
EEPROM
2.0mm pitch
90° E&T
modify debug port
DISPLAY
MCU & BUTTON
58
Thursday, February 19, 2004
B
Title
Size Document Number
Rev
Date:
Sheet of
PWR_O MENU_O
INVCTRL
SDA-VGA
SDA_O
SCL_O
SCL-VGA
LED_G
LED_R
SS0003
UP_O
MUTE
INVCTRL
PWR_SEL
LED_G
LED_R
SEL_O UP_O DOWN_O
MENU_O
SEL_O
PWR_O
DOWN_O
SCL_1
SDA_1
DOWN
UP
MH0001
MH0003
MH0002
MENU
SEL
PWR
SCL_1
SDA_1
PWR_SEL
RIGHT_O
LEFT_O
RIGHT
LEFT
MENU
SEL
PWR
DOWN
UP
RIGHT
LEFT
RIGHT_O LEFT_O
PC5V_OFF
PC5V_OFF
INT4
RESET 4
CSZ4
SDA4
SCL4
STBY 7
HP-MCU 3
MUTE7
BRIGHTNESS 4
XTAL4
VDDCTRL_2 6
VDDCTRL_1 6
SCL-VGA3
SDA-VGA3
DDC_VS3
VDD3V3 VDD3V3
VCPU
VCPU
VDD3V3
VDD3V3
VDD3V3
VDD3V3
VCPU
VCPU
VCPU
VDD3V3
VDD3V3
VDD3V3
VCPU
DSUB_5V
VDD3V3
GND
VDD3V3
VDD3V3 VDD3V3 VDD3V3
VCPU
VDD3V3 VDD3V3
VDD3V3
VCPU
VCPU
VDD3V3
VCC12
12Vin
R59 22/6
L22
10K/6
12
C45
0.1U/6
C53 22P/6
D25
DAN217K/NC
12
3
L19
0/8/NC
1 2
Q10
MMST3906
D30
3.3V
2 1
R69
10K/6/NC
R45
NC
Q5
2N3904
2
31
R50 22/6
R39
33K/6
R90
10K/6
R112
2K/6
R40
33K/6
R61 10K/6
L17 200/6
1 2
C460.1U/6
C64
0.1U/6
Q3
MMST3906
R44
10K/6
R36
2K/6
R56
10K/6
R99
33K/6
R57 0/6/NC
R91
4.7K/6
R88
10K/6
R100
33K/6
C101
1U/6
R101
33K/6
R58 NC
R37
10K/6
L40 1K/6
1 2
X2
11.0592MHz
R43
NC
L41 1K/6
1 2
R92
2K/6
CN4
4501-10-10P-R
1
2
3
4
5
6
7
8
9
10
R46 100/6
R70
1K/6
C54 0.1U/6/NC
R106
33K/6
D33
DAN217K/NC
12
3
R105
33K/6
U4
24LC08B
1
2
3
4 5
6
7
8
A0
A1
A2
VSS SI
SCK
WP
VCC
R98 33/6
Q2
MMST3906
R55
10K/6
R47 100/6
D34
DAN217K/NC
12
3
R41
82K/6
R97 4.7K/6
D35
DAN217K/NC
12
3
R93
1K/6
D36
DAN217K/NC
12
3
R113 2K/6
R49 22/6
D37
DAN217K/NC
12
3
C56
0.1u/6
C50
22P/6
R52
10K/6
R19 100/6
R71 4.7K/6
R42 NC
L15 1K/6
1 2
C920.1U/6
C470.1U/6
C52 22P/6
C930.1U/6
R681K/6
C44
0.1U/6
Q12
2N3904
2
31
R94
6.8K/6
R54 2K/6
C55
0.1u/6
C48
0.1U/6
R111 47/6
R18 100/6
L14 1K/6
1 2
L16 200/6
1 2
R62 2K/6
D24
DAN217K/NC
12
3
C51
22P/6
R96 4.7K/6
R38
10K/6
C820.1U/6
C49
22U/25V
R35
2K/6
R48 22/6
R89 100/6
L39 1K/6
1 2
D23
1N4148/NC
CN5
JWT-A2001WV2-06/NC
1
2
3
4
1
2
3
4
L37 1K/6
1 2
CN6 CONN 4x2-R
4
5 6
1 2
3
8
Q11
MMST3906
L38 1K/6
1 2
R53 2K/6
Q1
MMST3906
R114
3.3/6
C950.1U/6
C940.1U/6
C65
1U/8
U5
MTV312
17
18
20
21
22
23
24
25
7
29
28
19
4
13
14
5
6
11
12 10
43
44
30
31
32
33
37
36
41
15
40
42
1
2
3
9
16
26
27
8
39
38
35
34
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0/RXD/HSCL
P3.1/TXD/HSDA
P3.2/INT0
VDD3
P3.4/T0/ISDA
P3.5/T1/ISCL
NC
NC
X2
X1 VSS
HSYNC
VSYNC
P6.4/DA10
P6.5/DA11
P6.6/DA12
P6.7/DA13
P4.1/HBLANK
P4.0/VBLANKK
P5.4/DA4
P4.2/STOUT
P5.5/DA5
P5.3/DA3
P5.2/DA2
P5.1/DA1
P5.0/DA0
P6.3/AD3
P6.2/AD2
P6.1/AD1
P6.0/AD0
VDD
HALFV/DA8
HLFHO/DA9
HCLAMP/DA7
P5.6/DA6
R65
10K/6
R60 100/6
62
ViewSonic Corporation
Confidential
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Do Not Copy VX912