Fujitsu C551 Abnormal Vertical Scanning, Abnormal Horizontal Video Center, Abnormal Vertical Size

3. ABNORMAL HORIZONTAL VIDEO CENTER

SET H-CENTER TO CENTER

NG

CHECK IC401 PIN 4,7 RELATIVE CIRCUIT

4. ABNORMAL HORIZONTAL LINEARITY

CHECK L401,Q408,Q410,C427 & DY IC101 PIN 29 (CS1)

6-6 ABNORMAL VERTICAL SCANNING

1. ABNORMAL VERTICAL SIZE

READJUAT V-SIZE FUNCTION VALUE CHECK THE IC601 ABOUT 11.8V PIN 6

NG

OK

CHECK VERT. OSC CIRCUIT

NG

OK

NG

READJUAT V-SIZE FUNCTION VALUE

2. VERTICAL CENTER

READJUAT V-CENTER FUNCTION VALUE

CHECK D601,C606 RELATIVE CIRCUIT

CHECK THE VOLTAGE OF IC101

RELATIVE CIRCUIT

CHECK IC401 PIN 20,21,22,23

RELATIVE CIRCUIT

NG

CHECK IC401 & IC601 RELATIVE CKT