ViewSonic VX2000-1 Service Manual page 55

20.1" color tft lcd display
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5
GFB K
R360
L24
GCLK
GCLK
GCLKOUT
K26
GPEN
GPEN
GFBK
L25
GVS
GVS
GREF
J26
GHS
GHS
GBLKSPL
K25
GSOG
GCOAST
L26
GFIELD
GHSFOUT
L23
PLLCLK
GADCCLK
GRE[7:0]
D
GRE0
U26
GRE0
GRE1
V24
GRE1
GRE2
V23
First
GRE2
GRE3
V25
GRE3
V26
GRE4
GRE4
GRE5
W25
GRE5
GRE6
W24
GRE6
GRE7
W23
GRE7
GGE[7:0 ]
GGE0
H23
GGE0
G26
GGE1
GGE1
GGE2
H25
GGE2
GGE3
P23
GGE3
GGE4
P24
GGE4
GGE5
P25
GGE5
GGE6
P26
GGE6
R23
GGE7
GGE7
GBE[7:0]
GBE0
B25
U23A
GBE0
GBE1
A26
GBE1
GBE2
D24
GBE2
GBE3
E23
GBE3
GBE4
C25
Graphics Por t
GBE4
GBE5
B26
C
GBE5
GBE6
C26
GBE6
GBE7
E24
GBE7
GRO[7: 0 ]
GRO0
R24
GRO0
GRO1
R25
GRO1
R26
GRO2
GRO2
GRO3
T23
GRO3
GRO4
T24
GRO4
GRO5
T25
GRO5
GRO6
T26
GRO6
GRO7
U25
GRO7
GGO[7 :0]
GGO0
F23
GGO0
GGO1
D25
GGO1
GGO2
D26
GGO2
GGO3
F24
GGO3
GGO4
E25
GGO4
E26
GGO5
GGO5
GGO6
F25
GGO6
GGO7
F26
GGO7
GBO[7: 0 ]
GBO0
D21
GBO0
GBO1
B22
GBO1
GBO2
C22
B
GBO2
GBO3
A23
GBO3
GBO4
B23
GBO4
GBO5
D22
GBO5
GBO6
C23
GBO6
GBO7
A24
GBO7
V25P
V25X
V25
L17
L16
R124
L12
A
5
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4
M25
H26
J25
R11 3
J23
GBLKS PL
J24
R11 4
GCOAST
R11 5
M24
GHSF OUT
M26
C194
C195
Y2
SDA
SCL
B16
VCLK
VCLK
B18
VPEN
VPEN
A21
VLAV
B21
VVS
VVS
A22
VHS
VHS
C21
VFIELD
VFIELD
VR[7:0 ]
VR0
A9
VR0
VR1
B10
VR1
VR2
A10
VR2
D11
VR3
VR3
VR4
C11
VR4
VR5
B11
VR5
U23B
VR6
A11
VR6
VR7
D12
VR7
VG[7:0]
C12
VG0
VG0
VG1
B12
Video Port
VG1
VG2
A12
VG2
VG3
B13
VG3
VG4
A13
VG4
VG5
D14
VG5
C14
VG6
VG6
VG7
B14
VG7
VB[7:0 ]
VB0
A14
VB0
VB1
D15
VB1
VB2
C15
VB2
VB3
B15
VB3
VB4
A15
VB4
VB5
D16
VB5
VB6
C16
VB6
VB7
A16
VB7
V25X
L18
V33
L13
U23E
Power and Ground
4
ViewSonic Corporation
3
V3P
CPUEN
R108
F2
CPUEN
E1
RESET
RESET
CLKIN
Y2
CLKIN1
CLKIN
AE15
MCKEXT
MCKEXT
AF15
DC KEXT
DCKEXT
UCSRC
F3
UCSRC
XTALI
Y3
XTALI
XTALO
Y4
XTALO
WDTEN
F4
WDTEN
D1
RXD
RXD
D2
TXD
TXD
E3
IRRCVR0
E2
IRRCVR1
C1
PORTA0
C2
PORTA1
B1
DSDA
PORTA2
B2
DSCL
PORTA3
D5
VEDIDEN
PORTA4
B3
EDIDEN
PORTA5
A2
U23 D
DEC OE
PORTA6
A3
BRI
PORTA7
C5
PORTB0
D6
Misc
PORTB1
B4
LVDSON
PORTB2
A4
PON
PORTB3
C6
IC SDAT
PORTB4
B5
IC SCLK
PORTB5
A5
IC SSTD
PORTB6
B6
ICSSTM
PORTB7
A6
PORTC0
EN_DCKEXT
D8
MAR_SE L
PORTC1
C8
PORTC2
DVI_PD
B7
HD CPEN
PORTC3
A7
PIP_BUZZER
PORTC4
B8
AM
PORTC5
D9
BOOT WE
PORTC6
C9
VPPE N
PORTC7
B17
CPUTMS
B9
CPUTCLK
AE4
CPUTDI
V3P
AF2
CPUTDO
R11 6
E4
MODE0
R11 7
AC5
MODE1
R11 8
A8
MODE2
MODE0
MODE1
MODE2
V25X
V25X
V25X
V25X
V25X
V25X
V3P
C209
C210
C211
C212
C213
V25X
V25X
V25X
V25X
V25X
V25X
V25X
C231
C232
C233
C234
C235
C236
V25X
V25X
V25X
V25X
V25X
V25X
C244
C245
C246
C247
C248
3
10-1-6
Confidential – Do Not Copy
2
DCLK
DVS
A[1 9:0]
DHS
U2
A0
A0
DENR
V1
A1
A1
DENG
A2
V2
A2
DENB
W1
A3
A3
V3
A4
First
A4
DRE0
A5
V4
A5
DRE1
A6
W3
A6
DRE2
W4
A7
A7
DRE3
A8
AA1
A8
DRE4
AB2
A9
A9
DRE5
AA3
A10
A10
DRE6
AC1
A11
A11
DRE7
A12
AB3
A12
AD1
A13
A13
DGE0
AE1
A14
A14
DGE1
AD2
A15
A15
DGE2
AB4
A16
A16
DGE3
AC3
A17
A17
DGE4
A18
AF1
A18
DGE5
AE2
A19
A19
DGE6
D[1 5:0]
DGE7
H3
D0
D0
H2
D1
D1
DBE0
J4
U23C
D2
D2
DBE1
D3
J3
D3
DBE2
K1
D4
D4
DBE3
K2
D5
D5
DBE4
D6
L1
Display P ort
D6
DBE5
L2
D7
D7
DBE6
L3
D8
D8
DBE7
L4
D9
D9
D10
M3
D10
DRO0
M4
D11
D11
DRO1
N1
D12
D12
DRO2
N2
D13
D13
DRO3
N3
D14
D14
DRO4
N4
D15
D15
DRO5
DRO6
T3
RD
RDn
DRO7
T4
WR
U1
BHEN
BHENn
DGO0
R2
ROMOE
ROMOEn
DGO1
R1
ROMWE
ROMWE n
DGO2
P2
RAMOE
DGO3
P1
RAMWE
DGO4
R3
CS0n
CS0n
CS0
DGO5
R4
CS1n
CS1
CS1n
DGO6
T1
CS2n
CS2N1
CS2
DGO7
T2
CS3n
CS3
CS3N1
EINT0
G2
EINT1
EXTINT0
DBO0
G1
EXTINT1
DBO1
H1
EINT2
EINT2
EXTINT2
DBO2
F1
NMI
NM I
DBO3
DBO4
DBO5
DBO6
R120
DBO7
R121
R122
R123
V3P
C196
V25X
V25X
V25X
V25X
V25X
C214
C215
C216
C217
C218
C219
V25X
V25X
V25X
V25X
V25X
C237
C238
C239
C240
C241
C242
Title
V25X
V25X
V25X
V25X
Size
C249
C250
C251
C252
C253
Date:
2
VX2000
1
R107
AD13
RDK
DCLK
AD15
1
8
DVS
AC15
2
7
DHS
AF17
3
6
AC16
4
5
DENG
RN40
AD16
RN41
DRE[7:0]
Y25
RRE0
1
8
DRE0
RRE1
DRE1
AA26
2
7
RRE2
DRE2
AA25
3
6
AB26
RRE3
4
5
DRE3
AA24
RRE4
1
8
DRE4
AA23
RRE5
2
7
DRE5
AC26
RRE6
3
6
DRE6
AC25
4
5
RRE7
DRE7
RN43
RN42
DGE[7:0]
AB23
RGE0
1
8
DGE0
AC24
RGE1
2
7
DGE1
AD26
RGE2
3
6
DGE2
AD23
RGE3
4
5
DGE3
AC22
1
8
RGE4
DGE4
RGE5
DGE5
AE24
2
7
AF25
RGE6
3
6
DGE6
AF24
RGE7
4
5
DGE7
RN45
RN44
DBE[7:0]
AE23
RBE0
1
8
DBE0
AF23
2
7
RBE1
DBE1
RBE2
DBE2
AD21
3
6
AE22
RBE3
4
5
DBE3
AE19
RBE4
1
8
DBE4
RBE5
DBE5
AE18
2
7
AD18
RBE6
3
6
DBE6
AE17
RBE7
4
5
DBE7
RN47
RN46
DRO[7:0 ]
RRO0
DRO0
AF13
1
8
AC12
RRO1
2
7
DRO1
AD12
RRO2
3
6
DRO2
AE12
RRO3
4
5
DRO3
AF12
RRO4
1
8
DRO4
AE11
2
7
RRO5
DRO5
RRO6
DRO6
AF11
3
6
AE10
RRO7
4
5
DRO7
RN49
RN48
DGO[7: 0 ]
AF10
RGO0
1
8
DGO0
AD9
RGO1
2
7
DGO1
AC9
3
6
RGO2
DGO2
RGO3
DGO3
AE9
4
5
AD8
RGO4
1
8
DGO4
AC8
RGO5
2
7
DGO5
AF8
RGO6
3
6
DGO6
AF7
RGO7
4
5
DGO7
RN51
RN50
DBO[7:0 ]
RBO0
DBO0
AE7
1
8
AF6
RBO1
2
7
DBO1
AE6
RBO2
3
6
DBO2
AC6
RBO3
4
5
DBO3
AE5
RBO4
1
8
DBO4
RBO5
DBO5
AD5
2
7
AF4
RBO6
3
6
DBO6
RBO7
DBO7
AE3
4
5
RN52
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
C197
C198
C199
C200
C201
C202
C203
C204
C205
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
V3P
C220
C221
C222
C223
C224
C225
C226
C227
C228
ViewSonic Corporation
VX2000
Document Number
B
PW171
6
Sheet
of
M04-3005F1 RE
1
V3P
C206
V3P
C229
R
11

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