Akai TX-500 - Page 17

3-3-3. Removal of the OPERATION PCB
1) Remove the SYSTEM-FLD PCB (refer to section 3-3-2).
2) Remove the “VOLUME” control knob by pulling it out and
then remove the VOLUME control retaining nut.
3) Remove the “BALANCE” and “MIXING” control volume
knobs by pulling them out.
4) Remove the ten © screws and remove the OPERATION
PCB.
FO SCREW
MAIN VR
PCB
=
OPERATION PCB
Fig. 3-27
5) Re-assemble in the reverse order for installation. When
reattching the SYSTEM-FLD PCB onto the OPERATION
PCB, carefully align the position of the three connectors.
NOTE :The BALANCE volume and J3 connector are for AC-
600 series models only.
3-3-4. Removal of the SURROUND-FLD PCB.
(AC-600/603R/605K models only)
1) Remove the TAPE-! and TAPE-Il MECHANISM BLOCK
(refer to section 3-2-1).
2) Remove the SYSTEM-FLD PCB and disconnect the J10
connector if necessary.
3) First, disengege the left DOOR STOPPER from the holder
on the FRONT PANEL.
= p =
LEFT < RIGHT
DOOR FLAT DOOR
STOPPER CABLE STOPPER
Fig. 3-28
Next, disengage the right DOOR STOPPER very carefully
from the holder while moving the left DOOR STOPPER in
the lower outward direction and remove the DOOR BLOCK
from the FRONT PANEL BLOCK.
SERVICE MANUAL
4) Remove the five retaining screws on the DOOR COVER
then remove the DOOR COVER.
DOOR COVER
Fig. 3-29
5) Remove the SURROUND-FLD PCB from the DOOR PART.
6) Proceed in the reverse order for installation. When placing
the SURROUND-FLD PCB on the DOOR PART, align the
two holes on the SURROUND-FLD PCB with their
corresponding bosses on the DOOR PART.
BOSS
CASSETTE DOOR PANEL
SURROUND-FLD PCB
Fig. 3-30
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