Onkyo DX-7555, Service Manual

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DX-7555
SERVICE PROCEDURE-2
FL display
--->
0 0:00 NO DISC
--->
FL display
MA 050830A SRV 5805A MODEL00 00
--->
Front panel
--- Bottom view ---
Lever
NO DISC
--->
1. Initialize the unit.
(1) Press and hold down the
STOP [ ]
button, then press the
FF (fast forward) [ ]
button. All segments light up.
(2) Press and hold down the
STOP [ ]
button, then press the
PUSH TO ENTER (JOG)
button.
(3) Press the
POWER
button to turn off the unit.
(4) Disconnect the AC power cord from a wall outlet.
2. Check the version of Main microprocessor (Q8005) and Servo microprocessor (Q1001).
(1) Connect the AC power cord into a wall outlet.
(2) Press the
POWER
button to turn on the unit.
(3) Change into the state of
"NO DISC"
.
(4) Press and hold down the
STOP [ ]
button, then press the
FF (fast forward) [ ]
button twice.
The first press lights up all segments.
Main microprocessor version ---> Servo microprocessor version
(5) Press the POWER button to turn off the unit.
(6) Disconnect the AC power cord from a wall outlet.
3. Setting position before shipment.
(1) POWER button : OFF
(2) PHONES LEVEL : MIN.
4. Take out the Disc.
If cannot take out the disc, please take out disc as follows.
(1) The lever in the direction of the arrow.
(2) The tray is slowly drawn out by the hand.