Removal Of Assehblies; Removing The Top Cover; Removing The Individual Circuit Boards; 2*4 Removing The Player Mechanism - Revox B225 Maintenance Instructions Manual

B ^ O X
B225
SECTION 2/1
2 . REMOVAL OF ASSEMBLIES
Important:
Disconnect the CD player from the AC supply before
removing any parts of the housing.. For certain work
it is necessary to open or close the drawer module.
This can be done manually without damaging the unit.
2.1 Removing the top cover
- Unfasten five screws [Aj on the rear of the CD player.
- Withdraw cover toward the rear.
2.2 Removing the side panels
- Unfasten two screws on each side panel in order to
remove them.
2 . 3 Removing the individual circuit boards
The circuit boards are accessible when the top cover
is removed (Section 2.1).
The circuit boards 1.769.280 (DAC PCB), 1.769.300
(DECODER PCB), and 1.769.330 (SERVO 2 PCB) can be pulled
out of the interconnection board after the fixing screws
[ B] have been unfastened.
Four connectors must be detached before the PCB 1.769.320
(MICROPROCESSOR) is removed. Then unfasten screw [Bj
and withdraw the PCB from the housing toward the rear.
The SERVO 1 PCB 1.769.310 is connected to the chassis
via the cooling plate of the voltage regulators. First
detach all connectors leading to this PCB. Push the
drawer out completely in order to gain access to the
three fixing screws. The three screws [C] can
subsequently be unfastened and the PCB withdrawn toward
the rear .
2 . 4 Removing the player mechanism.
- Remove top cover (Section 2.1)
- Push drawer out part of the way and set the CD player
upside down.
- Now pull the drawer out to the point where the screws
[ Dj ^become accessible.
- Unfasten screw [Dj and set the CD player again in its
- . ~ normal operating position on the fc--^ch (NOTE; hold the
player mechanism with your hand to prevent it from
falling out of the drawer).
- Pull drawer out completely and carefully lift the CD
player.