VIEWSONIC CORPORATION
Confidential - Do Not Copy
P76f+-2G
22
6-6 Abnormal Vertical Scanning
6- 6-1. Abnormal Vertical Size
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
RELATIVE CIRCUIT
CHECK VERT. OSC CIRCUIT
RELATIVE CIRCUIT
NG
READJUST V-SIZE FUNCTION VALUE
CHECK THE VOLTAGE OF IC101
RELATIVE CIRCUIT
CHECK IC101 PIN33,34
CHECK THE IC601 PIN1 ABOUT 11.8V
PIN 4 ABOUT -12V
CHECK D601, C605
6- 6-2. Vertical Center
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC101 AND IC601
6-7 Side-Pin Cushion Distortion
NG
READJUST
CHECK IC101, Q406
RELATIVE CKT.
6-8 Poor Focus
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE, CRT SOCKET & CRT
Содержание VS11262
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Страница 38: ...VIEWSONIC CORPORATION Confidential Do Not Copy P76f 2G 35 9 2 CRT Board Layout ...
Страница 39: ...VIEWSONIC CORPORATION Confidential Do Not Copy P76f 2G 36 10 Exploded Diagram and Exploded Parts List ...
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