ViewSonic VS11422 Service Manual page 80

F1 F1
CN3 CN3
AUDIOL+
1
AUDIOL-
2
AUDIOR+
3
AUDIOR-
4
AUDIO_DISABLE_INPUT
5
MUTE_INPUT
6
VOL_ADJ_INPUT
7
12V
8
9
10
11 AUDIO_FUNCTION
12
13
14
INV_ON/OFF_INPUT
15
INV_ADJ_INPUT
16
B4 B4
1 2
B5 B5
1 2
B6 B6
1 2
GND_POWER
[INV_GND]
LP1 LP1
MENU
1
4 MENU
KEY_DOWN 2
4 KEY_DOWN
KEY_UP
3
4 KEY_UP
SOURCE_SELECT
4
4 SOURCE_SELECT
AUTO_ADJ
1
4 AUTO_ADJ
PWR_SW 2
4 PWR_SW
LED_G 3
LED_O
4
AUDIOR- L3 L3 LP2 LP2
AUDIOR+ L2 L2
AUDIOL- L5 L5
AUDIOL+ L4 L4
4 LED_ORG
ViewSonic Corporation
V5A1 V5A1
V5A
V12A
V12V1 V12V1 5.0V
C40 C40 C44 C44 C41 C41
GND_POWER
B2 B2
1 2
4
V33S
R58 R58
Q9 Q9
C47 C47
1
INV_ON/OFF 4
GND_POWER
V33S
R60 R60
Q10 Q10
C52 C52
5
1
INV_ADJ 5
GND_POWER
CN4 CN4
8 MENU
15
7
KEY_DOWN
14
6 KEY_UP
13
5
SOURCE_SELECT
12
8 AUTO_ADJ
11
7 LED_O
10
6
LED_G
9
5 PWR_SW
8
7
6
5
4
3
2
1
CP1 CP1 CP2 CP2
GND_POWER
GND_POWER
V33S
R70 R70 1
4
Q12 Q12
R72 R72
LED_O
Confidential - Do Not Copy
77
V5A 4
R56 R56
V5A
R57 R57
1
Q8 Q8
Q7 Q7 1
MUTE
R59 R59
GND_POWER
V5A
R61 R61
R62 R62
VR
Q11 Q11
1 C53 C53
VOL_ADJ
GND_POWER
1 MENU 1 KEY_DOWN 1 KEY_UP TP14 TP14
TP TP TP
MENU1 MENU1 KEY_DOWN1 KEY_DOWN1 KEY_UP1 KEY_UP1
AUTO_ADJ PWR_SW LED_O
1 1 1
TP TP TP
AUTO_ADJ1 AUTO_ADJ1 PWR_SW1 PWR_SW1 LED_O1 LED_O1 LED_G1 LED_G1
BSTHI FSTHI STV
1 1 1
TP TP TP
BSTHI1 BSTHI1 FSTHI1 FSTHI1 STV1 STV1 CKV1 CKV1
OE POL STB
1 1 1
TP TP TP
OE1 OE1 POL1 POL1 STB1 STB1 VCM_PWM1 VCM_PWM1
GVOFF1 GVOFF1 1 GVOFF 1 GVON
TP TP
GVON1 GVON1
V33S
R71 R71 1
LED_GRN
Q13 Q13
R73 R73
LED_G
VG2230wm-1
V5A
U6 U6
B1 B1
1 2 3
VI(5V) VO(3.3V)
VO(3.3V)
C42 C42 C43 C43
GND_POWER
4
U7 U7
D20 D20
B3 B3
1 2 1 2 3
VI(5V)
C48 C48 C49 C49
V12A
C54 C54 C55 C55
+ +
GND_POWER
V5A
PANEL_ON/OFF
4 PANEL_ON/OFF
DCDC_ON/OFF
4 DCDC_ON/OFF
VCM_PWM
5 VCM_PWM
GVOFF R63 R63
5 GVOFF
GVON
R64 R64
5 GVON
BSTHI
5 BSTHI
BR0N
5 BR0N
BR0P
5 BR0P
BR1N
5 BR1N
BR1P
5 BR1P
1 SOURCE_SELECT BR2N
TP 5 BR2N
BR2P
5 BR2P
LED_G BCKN
1
TP 5 BCKN
BCKP
5 BCKP
BG0N
5 BG0N
BG0P
5 BG0P
CKV BG1N
1
5 BG1N
TP
BG1P
5 BG1P
BG2N
5 BG2N
VCM_PWM BG2P
1
TP 5 BG2P
BB0N
5 BB0N
BB0P
5 BB0P
BB1N
5 BB1N
BB1P
5 BB1P
BB2N
5 BB2N
BB2P
5 BB2P
GND_POWER
V33D
V33D
STV R69 R69
5 STV
CKV
R68 R68
5 CKV
OE R65 R65
5 OE
FR0N
5 FR0N
FR0P
5 FR0P
FR1N
5 FR1N
FR1P
5 FR1P
FR2N
5 FR2N
FR2P
5 FR2P
POL R67 R67
5 POL
STB R66 R66
5 STB
FCKN
5 FCKN
FCKP
5 FCKP
FG0N
5 FG0N
FG0P
5 FG0P
FG1N
5 FG1N
FG1P
5 FG1P
FG2N
5 FG2N
FG2P
5 FG2P
FB0N
5 FB0N
FB0P
5 FB0P
FB1N
5 FB1N
FB1P
5 FB1P
FB2N
5 FB2N
FB2P
5 FB2P
FSTHI FSTHI
5 FSTHI
GND_POWER
TP12 TP12
V33D
(PANEL VCC)
V33D
2
4
C45 C45 C46 C46
TP13 TP13
V33S
2 V33S
VO(3.3V) V33S 3,5
4
VO(3.3V)
(SCALER VCC)
C50 C50
C51 C51
GND_POWER
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
CN1 CN1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32 ViewSonic Corporation
32
33
33
34
34
35
35
36
36 Model
CN2 CN2
I/F
Title
Date Rev: