Pioneer FX-MG9337ZT Service Manual page 106

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- Cautions on replacing the CD mechanism unit
The CD mechanism units available as service parts
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:
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L 13942296513
Control Unit(G2T)
- Removing the PU Unit(PX1)
1. Set the mechanism to the shipment mode.
2. Remove the two screws A and two screws B.
3. Remove the Frame.
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<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.
PCB Unit(Side)
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