5 Troubleshooting
5-12
CF21M*
RL601 operation is right?
Q601 base input is right?
Check and replace Q601.
No
Yes
No
Yes
Check D-Coil, POS601.
Yes
IC201 Pin 31 output is right?
Check and replace IC201.
Check user function key.
No
Done.
Check degaussing connector.
5-1-21 Degaussing Failure
5-1-20 User Control Failure
IC201 Pins 11 and 12 inputs are
right at each function?
Check and replace function key.
Check and replace IC201.
Done.
Yes
No
Check connector Ass’y.
Summary of Contents for CF21M
Page 7: ...CF21M 6 1 6 Exploded View and Parts List ...
Page 17: ...10 Schematic Diagrams 10 6 CF21M 1 368 V IC601 1 ...
Page 19: ...10 Schematic Diagrams 10 8 CF21M 19 IC103 5 24 15 CRT Socket Red Green Blue 20 R G B Video ...
Page 21: ...10 Schematic Diagrams 10 10 CF21M Memo ...
Page 22: ...Memo 9 Wiring Diagram 9 2 CF21M ...
Page 23: ...Memo 8 Block Diagrams 8 2 CF21M ...
Page 48: ...Memo 7 Electrical Parts List 7 26 CF21M ...
Page 49: ...7 Electrical Parts List CF21M 7 27 Loc No Code No Description Specification Remarks ...
