LG PE/PL-43 Service Manual page 25

9. INCORRECT CONVERGENCE
Check the input vlotage
at P201
YES
Check pulse pin125
of IC2051(4Mhz)
YES
Check/Replace
IC2051
YES
Check / Replace
IC2002
Does the static convergence
correct?
NO
NO
Check voltage on the
SMPS PCB
NO
Check V,H at
Pin 2,4 of P404
NO
Check H,V
on the DEF PCB
YES
Re-adjust static convergence
by remote controller
Not controlled
Are there pulse signal
at pin121 of IC2051
NO
Are there V,H pulse
at Pin 3,4 of P404
NO
Check V,H signal
on the DEF PCB
- 25 -
Controlled
OK
YES
Check / Replace
Q2201
YES
Check /Replace
IC2051