Filter
Top Products
– 38 –
MD-MT877/MD-MT877C
TROUBLESHOOTING
Use the test mode which indicates trouble causes before repairing the unit. This mode records maximum 2 past error
causes as codes. Refer them for repairing.
Preparations
If dusts and foreign materials are accumulated on the pickup lens, playback sounds can be skipped or the TOC (Table of Contains)
can't be displayed. Clean the object lens and check the playback. When lens are dirty, do the following.
Turn off the power and wipe lens softly with a cleaning paper and a little marketing so as not to damage them.
Do not touch lens with bare hands.
If the unit doesn't work.
If the unit doesn't start after cleaning the pickup objects lens lens, check the unit as follows.
Is the power supply turned on when the remote control
button or main unit button is pressed ?
No
Perform the check stated in item "Power is not turned on
when the / button is pressed".
Perform the check stated in item "Abnormal display".
No
Yes
Does the display operate normally ?
Is playback state set ?
Yes
Perform the check stated in item "Playback state cannot be
set".
No
Is audio output normal ?
Yes
Perform the check stated in item "Audio playback circuit".
No
Is recording/playback operation normal ?
Yes
Perform the check stated in item "Recording/playback
operation".
No
• Power is not turned on when the / button is
pressed.
No
Yes
Is operation normal when the main body button is pressed ?
Is power turned on when the remote control button is
pressed ?
No
Does the pin 63 of IC401 oscillate ?
Replace XL401.
Check the remote control, headphone terminals on the
main unit (J703), IC401 and IC404.
• If "HOLD" appears, press and hold down STOP on
the main unit and cancel the HOLD mode.
No
No
Normal.
Yes
Yes