2.ABNORMAL VIDEO LEVEL ON SCREEN
CHECK THE VOLTAGE OF IC801
PIN 2,16 ABOUT 8V
NG
OK
CHECK THE SIGNAL INPUT OF
R.G.B. ABOUT 0.7Vpp
NG
OK
CHECK IC801 PIN 11 ABOUT 10Vpp
CHECK 8V RELATIVE CIRCUIT
CHECK SIGNAL CABLE OR INTERFACE CARD.
NG
OK
CHECK THE VIDEO OUTPUT OF
IC801 PIN 13,15,18 ABOUT 3Vpp
NG
OK
R.G.B. APPROACH STANDARD
3. ABNORMAL DDC (PLUG & PLAY)CHECK THE RELATIVE CIRCUIT OF Q813,Q814 OR CLAMP.
CHECK IC801,Q813,Q814
CHECK IC101 PIN 5 VOLTAGE
ABOUT 5V
CHECK IC102 GOOD OR FAIL
NG
OK
CHECK SIGNAL CABLE