Service manual

Model
Title
Date Rev:
ViewSonic Corporation
RTD_2523
93
ViewSonic Corporation
Confidential
-
Do N Copyot VX922-1
U7
C43.C44.C45 IC
盡量靠近
Near to Chip
AHS
AVS
XO
RX2P
RX1P
RX1N
RX0P
RXCP
RXOIN1-
RXECKIN-
RXEIN3+
RXEIN0+
RXOIN0+
RXECKIN+
RXEIN2+
RXOIN0-
RXOIN1+
RXEIN1-
RXEIN3-
RXEIN2-
RXEIN0-
RXEIN1+
RXOIN2+
RXOIN3-
RXOCKIN-
RXOIN3+
RXOIN2-
RXOCKIN+
AG2P
AR3N
AR1P
AR2P
AR3P
AG1N
AR1N
AR2N
BG3N
BCLKP
BB1N
BB1P
BB2N
BB3N
BB3P
BG3P
BCLKN
BB2P
AG1P
AG2N
TCON5 TCON8
TCON10
XO
XI
XI
TCON5
FXDIO
TCON6 XSTB
TCON7 POL
TCON8 BXDIO
TCON9
YCLK
TCON10 YDIO
TCON11 YOE
TCON7 TCON9 TCON11 TCON6
R-
SOG
B-
B+
G+
G-
R+
RX2N
RX0N
RXCN
PLL_GND
ADC_GND
AHS
AVS
3AVCC1
RTD_SCSB
2.5DVCC
3AVCC2
3PVCC
RESET
VBRI
RTD_SCLK
RTD_SDO/SDI
SDIO1
SDIO2
SDIO3
VOLUME
DDC_SCL
DDC_SDA
BLUE+
BLUE-
GREEN-
GREEN+
SOGIN
RED-
RED+
TXC+
TXC-
TX2+
TX2-
TX1+
TX1-
TX0+
TX0-
2.5DVCC
3PVCC
R2.5DVCCR3DVCC
TMDS_AVCC
ADC_VCC3AVCC1
3AVCC2 TMDS_AVCC
3DVCC
+
C59
22uF/16V
C37
0.1u/6
C63
0.1u/6
C39
0.1u/6
R56 1K/6
22/6R60
L12
FEB_0805
+
C53
22uF/16V
C49
0.1u/6
L19 FEB_0805
C45
0.1u/6
22/6R61
C57
0.1u/6
C61
0.1u/6
L14 FEB_0805
NCR72
C46
10uF/16V
L15 FEB_0805
22/6R62
C50
10uF/16V
C42
0.1u/6
C62
0.1u/6
C33 22pF/6
22/6R63
C56
0.1u/6
L13 FEB_0805
C54
0.1u/6
C48 22pF/6
22/6R64
C34
10uF/16V
C60
0.1u/6
C52
0.1u/6
R66 100/6
RTD2523
108
128
54 50 111 56
42
43
124
9
10
11
12
13
14
15
123 118
40
29
30
31
33
35
37
27
38
41
39
28
32
6
7
1
2
4
3
5
8
114 115 116 117 119 122 47 126 125
109 120 69 71 121 49 72 57 58
26
97 83 95 96 84 98
113
110
112
127
25
24
21
22
23
20
19
18
17
16
78
79
80
81
82
85
86
87
88
89
90
106
107
91
51 52 53
55
59
60
61
62
63
64
65
66
67
68
73
74
75
76
77
104
93
102
103
101
100
94
99
92
36
34
105
46
44 45 70 48
AR1N
2.5V Ground
SDIO[0] SCLK SCSB RESET#
AHS
AVS
TCON[0]/VCLK
TMDS_TST/PWM1
TMDS_GND
TMDS_VDD
EXT_RES
TMDS_VDD
RX2P
RX2N
TCON[1]/V[7] TCON[7]/V[4]
ADC_GND
ADC_VDD
B+
B-
SOG/ADC_TEST
G-
R+
ADC_GND
R-
ADC_VDD
ADC_GND
ADC_REFIO
ADC_GND
PLL_TEST1
PLL_TEST2
XO
XI
DPLL_VDD
DPLL_GND
APLL_VDD
APLL_GND
TCON[11]/V[0] TCON[10]/V[1] TCON[9]/V[2] TCON[8]/V[3] TCON[6]/V[5] TCON[5]/V[6] DDCSDA DDCSCL2 DDCSDA2
3.3V Ground 3.3V Ground
2.5V Power 3.3V Power 3.3V Power 3.3V Power
3.3V Ground 3.3V Ground
3.3V Power
TMDS_VDD
2.5V Ground
3.3V Power 3.3V Power
3.3V Ground 3.3V Ground
2.5V Power
TCON[12]/COUT/PWM2
3.3V Power
PWM0/REFCLK
2.5V Power
TMDS_GND
RXCN
RX0N
TMDS_GND
RXCP
RX0P
TMDS_VDD
RX1N
RX1P
TMDS_GND
BR3N/TOCN
BR2P/TOBP
BR2N/TOBN
BR1P/TOAP
BR1N/TOAN
AB3P/TEDP
AB3N/TEDN
AB2P/TECLKP
AB2N/TECLKN
AB1P/TECP
AB1N/TECN
AR2N/TCON[1]
AR1P/TCON[0]
ACLKP/TEBP
TCON[2]/SDIO[3]/PWM2 TCON[3]/SDIO2] TCON[4]/SDIO[1]
TCON[13]/COUT/PWM2
BB3P
BB3N
BB2P
BB2N
BB1P
BB1N
BCLKP
BCLKN
BG3P
BG3N
BG2P/TODP
BG2N/TODN
BG1P/TOCLKP
BG1N/TOCLKN
BR3P/TOCP
AR3N/TCON[6]
AG3P/TEAP
AG1N/TCON[8]
AR3P/TCON[7]
AG1P/TCON[9]
AG2N/TCON[10]
AG3N/TEAN
AG2P/TCON[11]
ACLKN/TEBN
ADC_VDD
G+
AR2P/TCON[5]
DDCSCL
2.5V Ground
2.5V Power
2.5V Ground 3.3V Ground
C55
0.1u/6
22/6R65
R53
NC
Y1
24.576MHz
C58
0.1u/6
C51
0.1u/6
C44
0.1u/6
R54 4.7K/6
R57
NC
R55
4.7K/6/NC
TP2
TEST POINT
1
C40
0.1u/6
C47
0.1u/6
C43
0.1u/6
C41
0.1u/6
NCR71
C38
0.1u/6
C64 0.1u/6
R58
4.7K/6
C35
0.1u/6
C36
0.1u/6
22/6R59