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5 Troubleshooting
5-4
PN22N*
5-1-4 S_Correction Failure
S1~S6 signals are right at each
frequency block?
Check S1 ~ S6 signal.
Check and replace C451~ C457,
Q451~Q455, and Q456~Q460 .
Yes
5-1-5 H_Lin. Failure
ICS201 Pin 22 voltage varies with
different H_Lin. DAC values?
IC403 Pin 7 and 8 voltage varies
with different H_Lin. DAC values?
Check +12 V line.
Check some parts around IC403.
Check L403.
Yes
Yes
No
Check and replace ICS201.
No
Replace ICS201.
No
5-1-6 Invariable H_Size
ICS201 Pin 20 voltage varies with
different H_Size DAC values?
Check and replace ICS201.
No
Summary of Contents for PN22N series
Page 2: ...Samsung Electronics Co Ltd October 2000 Printed in Korea P N BH68 00362A 01 ...
Page 18: ...Memo 4 Alignment and Adjustments 4 8 PN22N ...
Page 38: ...PN22N 6 1 6 Exploded View and Parts List PN22N ...
Page 39: ...Memo 6 Exploded View Parts List 6 2 PN22N ...
Page 40: ...PN22N 6 Exploded View and Parts List 6 1 Front Cover CRT Ass y 6 3 ...
Page 41: ...6 2 Chassis Stand Ass y 6 Exploded View Parts List 6 4 PN22N ...
Page 42: ...6 3 Rear Cover Ass y 6 Exploded View Parts List PN22N 6 5 ...
Page 83: ...Memo 8 Block Diagrams 8 2 PN22N ...
Page 84: ...9 Wiring Diagram PN22N 9 1 9 Wiring Diagram ...
Page 87: ...10 Schematic Diagrams 10 3 PN22N 10 3 D Convergence Purity Part Schematic Diagram ...
Page 93: ...10 Schematic Diagrams 10 9 PN22N 10 7 Purity Parts Schematic Diagram ...
Page 97: ...10 Schematic Diagrams 10 13 PN22N 10 9 DSP USB Part Schematic Diagram ...