Dell E773c Series User Manual

17
6-3 NO BLANKING
NG
OK
CHECK THE RELATIVE
CIRCUIT OF BLANKING
CHECK THE RELATIVE CIRCUIT
CHECK R879,D706,D863,C873 ON VIDEO
PCB,CHECK G1 RELATIVE CIRCUIT
FBT PIN 4 ON MAIN PCB
OF Q705
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 Q402, T401
CHECK T401, T402, Q402, Q403, D408,
A
BOUT 10Vpp
OF Q403 ABOUT 1200Vpp AT FH:31KHz
C418, C419, H-DY, B+,Q406,C401,D406
CHECK IC401 PIN 26 WAVE FORM
CHECK IC401 PIN 4~6, PIN 13
CHECK IC401 PIN 29 ABOUT 12 VDC
CHECK IC401 PIN 29 RELATIVE
CIRCUIT
OF Q402 ABOUT 20Vpp

Dell E773c Series Specifications

General

Brand	Dell
Model	E773c Series
Category	Monitor
Language	English