19
6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
RELATIVE CIRCUIT
READJUST V-SIZE FUNCTION VALUE
ND CHECK IC601 PIN1,7
NG
CHECK IC601 PIN5 OUTPUT
CHECK IC401 PIN19,20,21,22,23
RELATIVE CIRCUIT
CHECK IC601 OUTPUT AND CRT
RELATIVE CIRCUIT OR DY
CHECK THE IC601 PIN 2 ABOUT 11.8V
PIN 4 ABOUT -12V
CHECK D601, C605
2. VERTICAL CENTER
NG
READJUST V-CENTER
RELATIVE CKT
CHECK IC401 AND IC601
6-7 SIDE-PIN CUSHION DISTORTION
NG
READJUST SIDEPIN
CHECK IC401,Q404,Q405,Q406
RELATIVE CKT
6-8 POOR FOCUS
NG
READJUST FOCUS CONTROL
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE,CTR SOCKET&CTR
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