ViewSonic VX2235wm-4, Service Manual

Page: 43 / 68

40
ViewSonic Corporation
Confidential - Do Not Copy
VX2235wm-4
Model
Title
Date Rev:
ViewSonic Corporation
SCALER
8 . 3 . SCALER
Closed to Scaler
Pin3.Host interface location
--> 1:112~115,118,119 ;
0:52~57
Pin5 host interface SEL
--> 1:Parallel ;
0:Serial
R137
R136
HSD220MKW1-A:
R135 NC R136 137
0R
AUO M220EW01:
R135 137 NC
R136 NC
CMO
M220Z1-L01:
R135 137 0R
R136 NC
R135
L107 value:80R
7/6
RXCN
XI
33VRST_REF
RX2P
RST_OUT
RX2N
RX0N
RX1N
RX0P
B1-
B1+
G1+
G1-
SOG1
R1+
R1-
RXO2+
RXO3-
RXE0-
RXEC-
RXE3+
RXEC+
PLL_GND
DGND
DGND
DGND
RXCP
ADC_GND
TMDS_VDD
RX1P
RXEC+
RXEC-
RXE3+
RXE0-
RXO1-
RXO2-
RXO0-
RXO0+
RXO3-
RXO1+
RXOC+
RXO3+
RXO3+
RXOC+
RXOC-
RXOC-
RXE0+
RXE0+
RXE1-
RXE1+
RXE3-
RXE3-
RXE2+
RXE2+
RXE2-
RXE2-
XI
AVS1
AHS1
BJT_B
RXE1+
RXE1-
RXO2-
RXO2+
RXO1+
RXO0+
RXO1-
RXO0-
3.3DVCC 1,4,5
RTD_SCLK 4
RTD_SCSB 4
SDA_D1 2,4
SCL_D1 2,4
RX1N 2
RX2P 2
RX2N 2
RX0P 2
RX0N 2
RXCN 2
RESET_MCU 4
XO_24M 4
SCL_D2 2,4
SDA_D2 2,4
B1- 2
B1+ 2
G1+ 2
G1- 2
SOG1 2
R1+ 2
R1- 2
RTD_SD2 4
RTD_SD1 4
RTD_SD0 4
RXCP 2
RX1P 2
LCDVDD 1
AVS1 2
AHS1 2
VDA_1V8 1,2
DGND 1,2,4,5
VDA_1V8
3.3DVCC R3.3DVCC
R3.3DVCC
R3.3DVCC
R3.3DVCC
R1.8AVCC
3.3DVCC
VDA_1V8
GND POWER
DGND
GND POWER
GND POWER
GND POWER
GND POWER
GND_SIGNAL
GND POWER
GND POWER GND_SIGNAL
LCDVDD
DGND
DGND
GND POWER
R148 0R
C139
100nF
C138
100uF/16V
+ C135
10uF_16V
P104
LVDS_CON30
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
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
C128
100nF
C136
100nF
R150 0R
C127
100nF
L105 80R 0805
C137
100nF
R151 22
R152 22
C124
NC/22pF
C121
100nF
C133
100nF
R149 NC
L107 80R 0805/NC
RTD2553V
I104
22
21
23
24
37
25
26
27
38
28
29
31
39
40
5
10
7
6
13
8
9
16
11
12
14
15
17
18
127
128
126
125
2
3
4
1
47 46 59 72 83 95 108 60 71 84 96 107
50 51 57 55 54 53 52 48 58 61 62 63 64 65 66 67 68 69
121
120
73
74
75
76
77
78
79
80
81
82
85
86
87
88
89
90
91
92
93
94
97
98
99
100
101
102
103
104
105
114
115
118
119
122
123
124
113
112
19
20
30
33
32
36
35
34
56 49
106
109
110
111
116 117
70
ADC_GND
ADC_VDD
B0+
B0-
ADC_GND
SOG0
G0+
G0-
ADC_VDD
R0+
R0-
B1+ / V6
AHS1 / V0
AVS1 / VCLK
TMDS_TST / PWM0 / TCON2
TMDS_GND
TMDS_VDD
REXT
TMDS_VDD
RX2P
RX2N
TMDS_GND
RX1P
RX1N
RX0P
RX0N
RXCP
RXCN
XO
XI
DPLL_GND
DPLL_VDD
APLL_VDD
PLL_TEST1 / TCON0 / TCON3
PLL_TEST2 / TCON1 / TCON12
APLL_GND
VCCK G
NDK
PVCC PVCC PVCC PVCC PVCC PGND PGND PGND PGND PGND
DDCSCL1 / T
C
O
N
4
DDCSDA1 / T
C
O
N
9
SCLK / T
C
ON3
SDIO[3] / T
C
ON0
SDIO[2] / T
C
ON11
SDIO[1] / T
C
ON7
SDIO[0] / T
C
ON13
PWM1 / T
C
ON0 / COUT
BJT_B BB3P/BBLU7 BB3N/BBLU6 BB2P/BBLU5 BB2N/BBLU4 BB1P/BBLU3 BB1N/BBLU2 BCLKP/BGRN7 BCLKN/BG
RN6
BG
3P/BG
RN5
DDCSCL2 / VCLK / TCON4
DDCSDA2 / V7 / TCON6
BG2P / TXE3+
BG2N / TXE3-
BG1P / TXEC+
BG1N / TXEC-
BR3P / TXE2+
BR3N / TXE2-
BR2P / TXE1+
BR2N / TXE1-
BR1P / TXE0+
BR1N / TXE0-
AB3P / TXO3+
AB3N / TXO3-
AB2P / TXOC+
AB2N / TXOC-
AB1P / TXO2+
AB1N / TXO2-
ACLKP / TXO1+
ACLKN / TXO1-
AG3P / TXO0+
AG3N / TXO0-
AG2P
AG2N
AG1P
AG1N
AR3P
AR3N
AR2P
AR2N
AR1P
SDIO[2] / V3 / TCON5
SDIO[3] / V4 / TCON9
SCSB / V5 / TCON7
SCLK / V6 / TCON3
TCON9 / PWM0
RESET_OUT
33VRST_REF
SDIO[1] / V2 / TCON8
SDIO[0] / V1 / TCON10/PWM2
AVS0
AHS0
B1- / V7
G1+ / V4
G1- / V5
R1+ / V1
R1- / V2
SOG1 / V3
SCSB / TCON12 PWM
2
/
TC
ON
1
/TC
ON
7
AR1N
33VPNLOUT
TCON13 / COUT
V0 / TCON2/PWM1
VCCK G
NDK
BG
3N/BG
RN4
C123
100nF
R147
1K
R136
15K
R137
4.7K
R138
4.7K
R135 0
R145
4.7K
C134
100nF
L106 80R 0805
R144
NC/4.7K
+
C122
10uF_16V
R142 22
C130
100nF
R143
NC/4.7K/
R141
30K R140 22
C120
100nF
R146
NC/4.7K
R185
1K
C129
100nF
+
C126
10uF_16V
C119
100nF
C132
100nF
C131
100nF
R139 0
RTD_SD3/SDI 4