Philips 107B7 ユーザーズマニュアル
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17” CDT Color Monitor 107B7
33
7-6 Abnormal Vertical Scanning
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
RELATIVE CIRCUIT
CHECK IC101 PIN33, 34
CHECK THE IC601 PIN1 ABOUT 11.8V
PIN 4 ABOUT -12V
CHECK D601, C605
2. Vertical Center
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC101 AND IC601
7-7. Side-Pin Cushion Distortion
NG
READJUST SIDEPIN
CHECK IC101, Q406
RELATIVE CKT.
7-8. Poor Focus
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE, CRT SOCKET & CRT