Service manual

LC-20B1U
29
Chek all the setting on the microprocessor's adjustment process menu.
Card does not playback
Yes
Yes
No
No
Is "PC card does not insert"
displaed on OSD?
Yes
File format is not correct.
Check input/output of IC901,
IC7102 and their peripheral parts.
Is each terminal voltage of pins
(46) and (40) of SC901 normal?
pin(46)....3.3V
pin(40)....5.0V
Is pin(49) of IC2001 at "L"?
Check the line in question.
Yes
Yes
No
Are input and output of each
terminal of pins (15) and (28) of
IC801 normal?
Check the PC card unit.
Check the line in question.