Lanix LX700R, Руководство по обслуживанию

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17" CDT Color Monitor Lanix LX700R
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6-3. No Blanking
NG
OK
CHECK THE RELATIVE CIRCUIT OF
BLANKING
CHECK THE RELATIVE CIRCUIT
CHECK R846 ON VIDEO PCB,
CHECK G1 RELATIVE CIRCUIT
FBT PIN 7 ON MAIN PCB
OF IC801
6-4. Hor./OSC/Def/Hv Circuit Fault
1. No Raster (Disconnect With Signal Cable)
NG
OK
OK
OK
NG
NG
NG
CHECK THE COLLECTOR VOLTAGE
CHECK THE COLLECTOR VOLTAGE
RELATIVE CIRCUIT
RELATIVE CIRCUIT
CHECK Q401, T401
CHECK T401, T402, Q401, Q403,
ABOUT 3Vpp
OF Q403 ABOUT 1200Vpp AT FH: 68KHz
D408, C408, C410, H-DY, B+ABOUT133V
CHECK IC401 PIN 26 WAVE FORM
CHECK IC401 PIN 4~7, PIN 13
CHECK IC401 PIN 29 ABOUT 12 VDC
CHECK IC401 PIN 29 RELATIVE CIRCUIT
OF Q401ABOUT 20Vpp