![background image](http://html1.mh-extra.com/html/viewsonic/va503b-1/va503b-1_service-manual_1020926077.webp)
ViewSonic Corporation
Confidential - Do Not Copy
VA503b-1_ VA503m-1
74
Model
Title
Date
Rev:
ViewSonic Corporation
KEY PAD
KEY_AUTO
GND
KEY_RIGHT
LED_Y
KEY_MENU
KEY_LEFT
POWER_KEY
LED_G
GND
KEY_RIGHT
POWER_KEY
KEY_MENU
LED_Y
LED_G
KEY_AUTO
KEY_LEFT
A_GND
GND
A_GND
GND
GND
A_GND
1
2
CN4
SPK-L
CN4
SPK-L
C01
100pF
C01
100pF
2
4
6
8
10
12
1
3
5
7
9
11
CN001
CONN
CN001
CONN
1
2
CN3
SPK-R
CN3
SPK-R
SW4
KEY_LEFT
SW4
KEY_LEFT
C02
100pF
C02
100pF
R003
0 1/16W
R003
0 1/16W
SW3
POW
E
R
_KEY
SW3
POW
E
R
_KEY
SW1
KEY_MEN
U
SW1
KEY_MEN
U
1
3
2
DP1
LED
DP1
LED
FB2
120 OHM
FB2
120 OHM
FB01
120 OHM
FB01
120 OHM
SW5
KEY_R
IGH
T
SW5
KEY_R
IGH
T
SW2
KEY_AU
TO
SW2
KEY_AU
TO
Summary of Contents for VA503b-1
Page 25: ...Circuit Diagram ViewSonic Corporation VA503b 1_ VA503m 1 22 Confidential Do Not Copy...
Page 44: ...ViewSonic Corporation VA503b 1_ VA503m 1 41 Confidential Do Not Copy...
Page 51: ...Picture 17 ViewSonic Corporation VA503b 1_ VA503m 1 48 Confidential Do Not Copy...
Page 63: ...ViewSonic Corporation VA503b 1_ VA503m 1 60 VA503m Confidential Do Not Copy...
Page 78: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 75 11 PCB Layout Diagram...
Page 79: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 76...
Page 81: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 78 POWER PCB VIEW...
Page 82: ...ViewSonic Corporation Confidential Do Not Copy VA503b 1_ VA503m 1 79...