Pioneer FX-MG8057ZT/UC Service Manual page 88

1
- Cautions on replacing the CD mechanism unit
The CD mechanism units available as service parts
A
have been set in the shipment mode at the factory.
Before mounting it on the product to be serviced, be
sure to apply the power to a CD mechanism to put it
into the initial mode, where the carriage mech assy
stays at the disc clamp position, in accordance with the
following method:
B
Control Unit(G2T)
CN101
C
D
- Removing the PU Unit(PX1)
1. Set the mechanism to the shipment mode.
E
2. Remove the two screws A and two screws B.
3. Remove the Frame.
F
88
1
2
PCB Unit(Side)
GGD1250
1
FX-MG8057ZT/UC
2
3
<Initial mode setting method>
1. Keep a CD mechanism unit out of the product to be
serviced as shown below. Connect the 50-pin
connector of the control unit (G2T) in the product and
the 50-pin connector of the PCB unit (Side) in the CD
mechanism by using the extension cable (GGD1250).
2. Apply the power (+14V) to the product to move the
CD mechanism until it enters the initial mode and
stops. (Operating time: about 30 seconds)
3. When it is confirmed that the CD mechanism stops in
the initial mode, the setting completes.
3
2
3
4
Fig.9
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