Fujitsu 154V 用户手册
3. ABNORMAL HORIZONTAL VIDEO CENTER
NG
4. ABNORMAL HORIZONTAL LINEARITY
6-6 ABNORMAL VERTICAL SCANNING
1. ABNORMAL VERTICAL SIZE
NG
OK
NG
OK
NG
2. VERTICAL CENTER
NG
CHECK IC401 & IC601 RELATIVE CKT
SET H-CENTER TO CENTER
CHECK IC401 PIN 4,7
RELATIVE CIRCUIT
RELATIVE CIRCUIT
CHECK L401,Q408,Q410,C427
& DY IC101 PIN 29 (CS1)
& DY IC101 PIN 29 (CS1)
CHECK D601,C606 RELATIVE CIRCUIT
READJUAT V-SIZE FUNCTION VALUE
CHECK THE IC601 ABOUT 11.8V PIN 6
CHECK THE IC601 ABOUT 11.8V PIN 6
CHECK VERT. OSC CIRCUIT
CHECK THE VOLTAGE OF IC101
RELATIVE CIRCUIT
RELATIVE CIRCUIT
READJUAT V-SIZE FUNCTION VALUE
CHECK IC401 PIN 20,21,22,23
RELATIVE CIRCUIT
RELATIVE CIRCUIT
READJUAT V-CENTER FUNCTION
VALUE
VALUE
Page 19 of 59
4V SERIES MANUAL
05.06.2002
file://D:\PC%20AOC\SERVICE%20MANUAL\FSC\154V\154V-C551.htm