Service manual

ViewSonic Corporation Confidential - Do Not Copy
58
Model
Title
Date Rev:
ViewSonic Corporation
SCALER
UP
LED_A
LED_G
2
PA6
PA0
PB18
PB21
PB12
PA13
PA3
PB[12..21]
PB20
PA12
PA[0..7]
PB13
PA4
PB14
PA1
PA[12..13]
PB19
PA7
PB15
PB16
PA2
PB17
PA5
LED_A
LED_G
DOWN
POWER
2
DOWN
UP
1
POWER
1
BINP1
GNDBP1
GINP1
GNDGP1
RINP1
GNDRP1
HSYNCP1
VSYNCP1
DDCA_SDAP1
DDCA_SCLP1
VCTRL P2
PA[0..7] P4
PA[12..13] P4
PB[12..21] P4
on_PANEL P2
adj_BACKLIGHT P2
on_BACKLIGHT P2
AUDIO_STANBY P6
Volume P6
VCC3V3
AVDDVPLL
VCC3V3
VCC3V3
VDDC
VCC1V8
AVDD
VPLL
VCC3V3
VCC3V3
VDDP
VCC3V3
5V_3V3
VMPLL
VDDC
AVDD
VCC3V3
VCC3V3
VDVI
VMPLLVDVI VDDP
VCC3V3
5V_3V3
5V_3V3
VCC3V3
VCC3V3
5V_3V3
R155 NC
C135
0.1u
RP02
100
1
2
3
45
6
7
8
R194
10K
R172470
+
C140
10u 50V
R153
10K
C1320.1u
I105
TSUM16AK
59
56
57
54
58
55
53
63
64
51
62
61
70
72
71
73
79
21
108
32
33
109
110
111
112
113
114
118
119
120
121
122
123
124
125
126
127
107
106
105
41 47
39
40
42
43
44
45
46
48
49
38 96 116
67 12
104
102
11
14 68
65
66
36
37
29
50 97
69
78
20
22
23
24
27
28
30
31
35
76
77
19
100
101
98
99
93
94
91
92
89
90
9
10
15
16
17
18
2
3
5
6
7
8
128
1
80
81
88
87
86
85
84
83
82
25
75
74
52 34 4 95 103 115 117 60
13
26
BIN0P
GIN0P
SOGIN0
RIN0P
BIN0N
GIN0N
RIN0N
HSYNC0
VSYNC0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
GPIO_P27/PWM1
PWM1/GPIO_P25
NC/LVACKM
XIN
XOUT
RA1P/LVA2P
RA1N/LVA2M
RA2P/LVA1P
RA2N/LVA1M
RA3P/LVA0P
RA3N/LVA0M
CLKAP/LVB3P
CLKAN/LVB3M
CLKBP/LVBCKP
CLKBN/LVBCKM
NC/LVB2P
NC/LVB2M
BB1P/LVB1P
BB1N/LVB1M
BB2P/LVB0P
BB2N/LVB0M
NC/LVACKP
GA3N/LVA3M
GA3P/LVA3P
GND GND
RX2P
RX2N
RX1P
RX1N
AVDD_DVI
RX0P
RX0N
RXCKP
RXCKN
GND GND GND
VDDP
VDDC
MODE[1]
MODE[0]
VCTRL
VDDP
VDD_OTP
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
PWM0/GPIO_P26
AVDD_DVI
VDDC
GPIO_P15
PWM2/GPIO_P24
GPIO_P16
GPIO_P17/SAR0
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P16
DDCROM_SDA
DDCROM_SCL
RST
GA2P/NC
GA2N/NC
GA1P/NC
GA1N/NC
BA3P/NC
BA3N/NC
BA2P/NC
BA2N/NC
BA1P/NC
BA1N/NC
RB1P/NC
RB1N/NC
RB2P/NC
RB2N/NC
RB3P/NC
RB3N/NC
GB1P/NC
GB1N/NC
GB2P/NC
GB2N/NC
GB3P/NC
GB3N/NC
BB3P/NC
BB3N/NC
ESP
OSP
GPO0
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPIO_P02/SAR3
GPIO_P22
GPIO_P23
AVDD_PLL
AVDD_MPLL AVDD_MPLL
VDDP VDDP VDDP
VDDC
AVDD_ADC
GND
GPIO_P03
C126
0.1u
R173
10K
R164
10K
R165
10K
RP01
10K
1 2 3 4 5
6 7 8
R175470
C127
0.1u
R168
10K
X101
14.318MHZ
C136
0.1u
R210
10K
+
C146
10u 50V
C137
0.1u
R16920K
L108
3.5X9*0.8
+
C149
10u 50V
R204 100
R170
10K
I106
SST25VF010
1
2
3
4 5
6
7
8
CE#
SDO
WP#
VSS SDI
SCK
HOLD#
VDD
L107
3.5X9*0.8
I107 24C16
1
2
3
45
6
7
8
A0
A1
A2
GNDSDA
SCL
WP
VCC
+
C157
47u16V
C139
0.1u
C141
0.1u
C131
0.1u
C142
0.1u
C143
0.1u
C144
0.1u
R166100
+
C138
10u 50V
+
C151
10u 50V
R154
1M
C145
0.1u
C153
0.1u
R211
4K7
+
C156
47u16V
R213
5K6
Q109
2SA733
3
1
2
C150
0.1u
R212
4K7
Q110
2SA733
3
1
2
+
C172
10u50V
R157
10K
C128
10u 50V
C13022p
D127
1N4148
R167 100
+
C134
4.7u 50V
L103
3.5X9*0.8
R158
10K
L104
3.5X9*0.8
L105
3.5X9*0.8
L106
3.5X9*0.8
C12922p
R1634K7
R156 NC
R152390 1%
R1624K7
P103
JST-PH8P-2.0-90
8
7
6
5
4
3
2
1
SELECT
DOWN
UP
MENU
GND
LED_GREEN
LED_AMBER
LCD_ONOFF
C148
0.1u
VCC3V3P1,2
VCC1V8P2
5V_3V3 P2
Q9b-3