Advertisement
Power indicator is green.
Does the B+ output
voltage appear at the
secondary side of 1601?
Yes
Does the output
[i
pulse appear at the
pin 21 of 1C401?
Yes
Does the pulse appear at
the emitter of 0502?
Yes
Does the pulse appear at
the drain of Q503?
Yes
Check horizontal deflection
output part.
Power indicator is orange.
Does H/V sync pulse
appear at pins 27
and 29 of 1C201?
Does H/V sync output
appear at pins 26
and 30 of 1201?
Check 1C401.
Samsung Electronics SyncMaster 17GLi
9 Troubleshooting
WAVE FORMS
No
Check the power
supply circuits.
No
Check IC401.
No
Check 0501,0502 and 0503.
Does the pulse appear at
the gate of 0503?
Yes
No
Check 0501, Q503 and Q508.
Check signal cable connection
and the signal sources.
Check MICOM and 1C201.
9-3
Advertisement
