Toshiba SD-42HKSB Service Manual page 82

B. Audio abnoraml
AUDIO ABNORMAL
Check Audio jack.
YES (If OK)
Check MPEG_CLK Signal
of MPEG part.
YES (If OK)
Refer to Audio part.
YES (If OK)
Refer to MPEG part.
YES (If OK)
Replace B/D.
D. Open/Close abnormal
Check the connection of MD.
YES
OPEN/CLOSE ABNORMAL
Check Front.
Check the
connection of PMD03.
NO
Check IC301 Pins3, 4.
YES
Refer to SERVO part.
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C. Video abnoraml
VIDEO ABNORMAL
Check Video jack.
Refer to Video part.
Refer to MPEG part.
Replace B/D.
YES (If OK)
NO
YES
YES (If OK)
YES (If OK)
YES (If OK)
Reconnect it.