17
6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
OK
NG
OK
NG
READJUST V-SIZE FUNCTION VALUE
READJUST V-SIZE FUNCTION VALUE
CHECK VERT. OSC CIRCUIT
RELATIVE CIRCUIT
CHECK THE VOLTAGE OF IC101
NG
RELATIVE CIRCUIT
CHECK THE IC601 ABOUT 11.8V PIN 6
CHECK D601, C606 RELATIVE CIRCUIT
CHECK IC401 PIN 20, 21, 22, 23
2. VERTICAL CENTER
READJUST V-CENTER FUNCTION VALUE
NG
CHECK IC401 & IC601 RELATIVE CKT