Samsung HCN5527WX/XAA Service Manual page 52

5. Troubleshooting
5-1 Convergence Misaligned
Check the voltage of CNZ03
on the CG-AMP board and
the waveform of CNZ01
Nomal
Check FD101S,FD102S
on the CG-AMP board
Nomal
Check the input/output
of ICZ103,ICZ104
on the CG-AMP board
Nomal
Check the output from
CNZ02,CNZ04,CNZ05
on the CG-AMP board
Nomal
Check DY
Samsung Electronics
Check the input
Nomal
voltage of main
CNZ02 and sub CN803
Abnomal
Check connectors
MAIN ↔ CG-AMP
SUB ↔ CG-AMP
Abnomal
Replace FD101S,FD102S
and check associate circuits
Abnomal
Check the circuits
related to ICZ103,ICZ104
Abnomal
Check the circuits related to
CNZ02,CNZ04,CNZ05
Abnomal
Check the output from
CG-MDL and FD855S,
FD802S on the SUB PCB
Troubleshooting
5-1