![background image](http://html.mh-extra.com/html/viewsonic/vs11422/vs11422_service-manual_1021443038.webp)
38
AMP_SHDN
MUTE
SOURCE_SELECT
R41
0402/10K/5%
R43
0402/10K/5%
YOUT
MCU_VDD
MCU_VDD
GND_POWER
MUTE
1
3
2
Q1
2N7002/RoHS
R106
0402/4.7K/5%
R12
0402/10K/5%
MUTE
R32
0402/10K/5%
MCU_VDD
1
3
2
Q3
2N7002/RoHS
GND_POWER
GND_POWER
1
3
2
Q5
2N7002/RoHS
DVI_HPD
+ 0.8V -
+ 0.24V -
MCU_VDD
GND_POWER
C16
0805/1u/25V/7
R21
0402/1K/5%
R23
0402/10K/5%
+ 0.79V -
+ 0.79V -
INV_ON/OFF
INV_ON/OFF
INV_ON/OFF
INV_ON/OFF
INV_ON/OFF
INV_ON/OFF
R137
0402/1.5K/5%
R136
0402/100R/1%
R138
OPEN/0402/10M/5%
INV_ON/OFF
1
3
2
Q10
BSS84
GND_POWER
MCU_VDD
DCDC_ON/OFF
RESET_MCU
R47
OPEN/0402/1M/5%
R42
0402/10K/5%
R38
0402/22R/5%
R46
BK1608HM121-T
PANEL_ON/OFF
R115
0402/3K/1%
R34
0402/22R/5%
R112
0402/2.2K/5%
1
2
3
D14
BAV70W/RoHS
C21
0402/22p/50V/N
1
2
D28
1N4148WS
NC
6
NC
7
HSDA1/TXD/P3.1
8
P3.3/INT1
10
P
6.3
/A
D
3
23
P6
.4
24
P3.4/T0
11
P
6.0
/A
D
0
20
VSS
17
VC
C
41
P1
.3
37
P6.5
25
VSYNC
28
NC
18
NC
29
NC
30
NC
31
P5.5/PWM5
1
P5.6/HSCL2
2
P5.7/HSDA2
3
RST
4
HSCL1/RXD/P3.0
5
P3.2/INT0
9
P3.5/T1
12
X1
16
P
7.6
/CL
K
O
2
13
P7
.7
14
X2
15
NC
19
P
6.1
/A
D
1
21
P
6.2
/A
D
2
22
P6.6/CLKO1
26
P6.7
27
NC
32
P1.7
33
P1.6
34
P1.5
35
P1.4
36
P1
.2
38
P1
.1
39
P
1.0
/E
T
2
40
NC
42
NC
43
P5
.0
/P
W
M
0
44
P5
.1
/P
W
M
1
45
P5
.2
/P
W
M
2
46
P5
.3
/P
W
M
3
47
P5
.4
/P
W
M
4
48
RTD
2120L
48-pin
LQFP
U3
RTD2120L-LF/RoHS
C19
0603/33P/50v /N/RoHS
1
3
2
Q8
BSS84-F
R39
0402/22R/5%
R114
0402/2.2K/5%
R26
0402/
4.
7K
/5
%
2
Y1
24MHz/RoHS
R27
0402/
4.
7K
/5
%
R14
0402/10K/5%
1
2
3
D19 BAV70W/RoHS
R33
0402/22R/5%
R36
0402/22R/5%
R18
0402/10K/5%
1
2
D29
SX34
R16
0402/10K/5%
R37
0402/22R/5%
R13
0402/10K/5%
R31
0402
/4
.7
K
/5%
1
2
D27
1N4148WS
C20
0402/22p/50V/N
R17
0402/10K/5%
R111
0402/2.2K/5%
R44
0402/10K/5%
C17
1206/10u/16V/Y /RoHS
R35
0402/22R/5%
R116
0402/4.7K/5%
C15
1206/10u/6.3V/5/RoHS
R113
0402/2.2K/5%
R15
0402/10K/5%
DVI_5V
VGA_5V
DVI_SDA
VGA_SCL
+5V
LED_ORG
DVI_SCL
RTD_SDIO3
VGA_SDA
LED_GRN
INV_ADJ
+5V
GND_POWER
GND_POWER
GND_POWER
GND_POWER
MCU_VDD
MCU_VDD
GND_POWER
MCU_VDD
MCU_VDD
MCU_VDD
MCU_VDD
MCU_VDD
GND_POWER
MCU_VDD
GND_POWER
GND_POWER
+5V
Reference Voltage 3.3V
RTD_SCSB
DC5V_Detect
Detect Power DC 5V
IICSDA
GND_POWER
R50
NC/0402/100R/5%
R51
NC/0402/100R/5%
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
SEEPROM
U5
NC/24LC16BT-I/SNG/RoHS
R48
NC/0402/4.7K/5%
IICSCL
R49
NC/0402/4.7K/5%
MCU_VDD
WP
DC5V_Detect
C22
NC/0402/100n/16V/Y
SOURCE_SELECT
SOURCE_SELECT
WP
Serial
Host
Interface
RTD_SCLK
RTD_SCSB
RTD_SCLK
PWR_SW
MENU
IICS
CL
IICS
DA
GND
KEY _UP
GND
RC
筿隔箇痙
,
LPF
ぇノ
,Layout
璶綼
MCU
KEY _DOWN
INV_SW
PWR_SW
AUTO_ADJ
AUTO_ADJ
MENU
MENU
MENU
MENU
SOURCE_SELECT
VOL_PWM
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
PWR_SW
KEY_UP
AUTO_ADJ
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
KEY_DOWN
MENU
COUT
KEY_UP
R40
0402/10K/5%
KEY_DOWN
OEM MODEL
Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬
隔
瓜
絪
腹
A
Custom
4
7
Thursday , June 19, 2008
<
称爹
>
03.MCU
AUTO_ADJ
Summary of Contents for VS11422
Page 6: ...6 2 Specification ...
Page 13: ...13 Block Diagram ...
Page 19: ...19 Application Block Diagram ...
Page 31: ...31 For analog a Double click appear as follow Figs b Click ...
Page 33: ...33 6 Troubleshooting Flow Chart ...
Page 45: ...45 9 PCB Layout Diagrams 9 1 Main Board ...
Page 46: ...46 ...
Page 47: ...47 9 2 Power Board ...
Page 48: ...48 ...
Page 49: ...49 9 3 Key Board ...
Page 50: ...50 10 Exploded Diagram and Spare Parts List 10 1 EPL ...