Figure 3.3.2.2 Troubleshooting flow chart when opening/closing disc tray
Vibration occurs
when disc in/out
Check whether TC305
and Tc306 are normal
Check whether socket
on frame and XS302
has been oxidated
Whether detector
switch on frame is
normal
Check whether the resistor and
capacitor related to disc open/
close is rosin joint and joint welding
Change frame
Open disc tray
automatically
Close disc tray
automatically
Change frame
Check whether
V306 V307 V308
V309 V310 are
normal
Check whether
frame is normal
Change frame
Well insert flat cable
Change socket or
use alcohol to clean
Change the
corresponding triode
N
Disc tray
not close
Disc tray
not open
Open/close disc
tray automatically
Check whether flat
cable is inserted fully
N
Y
N
Y
N
Y
N
Y
Opening disc
tray not fully
Noise occurs in
disc tray door
Change abnormal capacitor
Trouble when opening/
closing disc tray
Y
2. Troubleshooting process is shown as the following figure 3.3.2.2:
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