Service manual

3.3V_7120
3.3V_7120
3.3V_DSP 3.3V_7120
3.3V_DSP 1V_7120
1V_7120 3.3V_7120
EP_HS21
EP_VS21
EP_DCLK21
EP_SDAT11,21,22,26
EP_SCLK11,21,22,26
EP_SCS11,21,22
EP_RST17,21,22,26
1000mA
C1
0.01uF
C1
0.01uF
C344
0.01uF
C344
0.01uF
R310 NC/100KR310 NC/100K
C408
0.01uF
C408
0.01uF
C400
0.01uF
C400
0.01uF
C383
0.01uF
C383
0.01uF
C415
0.01uF
C415
0.01uF
R303 NC/0RR303 NC/0R
+
C381
47uF/6.3V
+
C381
47uF/6.3V
C3351uF C3351uF
C364
0.01uF
C364
0.01uF
+
C357
100uF/6.3V
+
C357
100uF/6.3V
R307 100KR307 100K
C342
10uF/10V
C342
10uF/10V
C92
0.1uF
C92
0.1uF
TP2 VRSTOTP2 VRSTO
C74
0.01uF
C74
0.01uF
C370
0.01uF
C370
0.01uF
C399
0.01uF
C399
0.01uF
C65
10uF/10V
C65
10uF/10V
C414
0.01uF
C414
0.01uF
C376
0.01uF
C376
0.01uF
C349
0.01uF
C349
0.01uF
+
C406
47uF/6.3V
+
C406
47uF/6.3V
FB10
FB_120OHM_0805
FB10
FB_120OHM_0805
R312 100KR312 100K
C353
0.01uF
C353
0.01uF
R305 100KR305 100K
FB34 0.12uHFB34 0.12uH
C413
0.01uF
C413
0.01uF
C64
0.1uF
C64
0.1uF
C390
0.01uF
C390
0.01uF
C409
0.01uF
C409
0.01uF
C3360.1uF C3360.1uF
C411
0.01uF
C411
0.01uF
C392
0.01uF
C392
0.01uF
R309 100KR309 100K
C348
0.01uF
C348
0.01uF
R311 0RR311 0R
R308 100KR308 100K
C351
0.01uF
C351
0.01uF
C346
0.01uF
C346
0.01uF
R306 100KR306 100K
C352
0.01uF
C352
0.01uF
VI
1
ADJ
2
VO
3
NC
4
GND
5
U16
PQ010GN01ZPH
U16
PQ010GN01ZPH
C356
0.01uF
C356
0.01uF
C419
2.2uF
C419
2.2uF
C360
0.01uF
C360
0.01uF
C412
2.2uF
C412
2.2uF
GND
N14
GND
P16
GND
U15
GND
U16
GND
U17
GND
P13
GND
U13
GND
K15
GND
P15
GND
AC4
GND
AC23
GND
P17
GND
Y22
GND
AB5
GND
R12
GND
R13
GND
U14
GND
N16
GND
N17
GND
P10
GND
P12
GND
M14
GND
P14
GND
P11
GND
E22
GND
N15
GND
L10
GND
D4
GND
L11
GND
A2
GND
B26
GND
U10
GND
D23
GND
B25
GND
C23
GND
C3
GND
C2
GND
C24
GND
E6
GND
E5
GND
E21
GND
F5
GND
K10
GND
K11
GND
K12
GND
K13
GND
K14
GND
K16
GND
K17
GND
L12
GND
L13
GND
L15
GND
L16
GND
L14
GND
L17
GND
M12
GND
M13
GND
M16
GND
M17
GND
M10
GND
M11
GND
M15
GND
N10
GND
N11
GND
N12
GND
N13
GND
R10
GND
R11
GND
R14
GND
R15
GND
R16
GND
R17
GND
T10
GND
T11
GND
B24
GND
B3
GND
B2
GND
B1
GND
A1
GND
A25
GND
A26
GND
T15
GND
T16
GND
T17
GND
T12
GND
T13
GND
T14
GND
U11
GND
U12
GND
AA22
GND
AB22
GND
AD3
GND
AE2
GND
AE25
GND
AF1
GND
AF25
GND
AF26
GND
AE26
GND
AF2
GND
AD24
GND
AE1
VDD10
J22
VDD10
H22
VDD10
E7
VDD10
L22
VDD10
E23
VDD10
F22
VDD10
G22
VDD10
K22
VDD10
E9
VDD10
M22
VDD10
N22
VDD10
R5
VDD10
E20
VDD10
Y5
VDD10
AA5
VDD10
E8
VDD10
E11
VDD10
E12
VDD10
AC22
VDD10
AB17
VDD10
AB21
VDD10
AB20
VDD33
E14
VDD33
J5
VDD33
H5
VDD33
AB6
VDD33
M5
VDD33
E15
VDD33
G5
VDD33
AB10
VDD33
AB11
VDD33
K5
VDD33
L5
VDD33
E13
VDD33
AB7
VDD33
AB8
VDD33
AB9
VDD33
T22
VDD33
U22
VDD33
V22
VDD33
W22
VDD33
P22
VDD33
R22
VDD10
AB14
VDD10
AB12
VDD10
AB13
VDD10
AB15
VDD10
AB16
VDD10
AB18
VDD10
AB19
VDD10
V5
VDD10
N5
VDD10
P5
VDD10
T5
VDD10
U5
VDD10
W5
VDD10
E16
VDD10
E17
VDD10
E18
VDD10
E19
VDD10
E10
RESET
D17
SCLK
C25
SCS
D24
SDATA
E24
SELECT
F1
TCK
C15
TDI
D15
TEST1
AF23
TEST2
AD23
TEST3
AE23
TEST4
AE22
TEST5
AD22
TEST6
C16
TEST7
C22
TMS
B16
TRST
A17
VDDP
A15
VSEL
D16
VSYN C
C26
HPLL
E1
H RESETO
C1
NRG
AC21
PLLLOCK
D22
GNDP
B15
HSYNC
A24
DCLK
A16
EN
C17
OSDBIN0
E4
OSDBIN1
F4
OSDGIN0
E3
OSDGIN1
F3
OSDRIN0
E2
OSDRIN1
F2
OSDSW
D3
TDO
B17
VRESETO
D1
CLP1
D2
CLP2
AC24
SH ENB
AF22
DIRY
AE21
U2A
L3E07120K0A
U2A
L3E07120K0A
R302 100KR302 100K
+
C398
100uF/6.3V
+
C398
100uF/6.3V
C401
0.01uF
C401
0.01uF
FB2
FB_120OHM_0805
FB2
FB_120OHM_0805
C99
10uF/10V
C99
10uF/10V
C404
0.01uF
C404
0.01uF
C350
0.01uF
C350
0.01uF
C410
0.01uF
C410
0.01uF
R304 100KR304 100K
C347
0.01uF
C347
0.01uF
TP1 HRSTOTP1 HRSTO
FB1
FB_60OHM_0805
FB1
FB_60OHM_0805
C345
2.2uF
C345
2.2uF
Model
Title
Date Rev:
ViewSonic Corporation
LCD_SCALER_PWR
90
ViewSonic Corporation Confidential - Do Not Copy PRO8100-1