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SE-DIR800C
30
1234
1234
C
D
F
A
B
E
Connect a player (DIGITAL 1, DIGITAL 2, and analog).
POWER ON
Is sound output?
Switch to analog input.
Switch to DIGITAL 2.
Is sound output?
After three minutes or more
of continuous playback,
does the IR LED
remain lit?
OK
Checking audio detection
Check the peripheries of IC9 and Q1.
Check the peripheries of A/D
(IC7), IC6 and JA1.
Check the peripheries of
IC5 and IC1.
No
No
Is sound output?
Check the peripheries
of IC13 and JA3.
No
No
Ye s
Ye s
Ye s