Operation Checks And Main Component Replacement - Panasonic SA-AK66 Service Manual

8 Operation Checks and Main Component Replacement
Procedures
Gear for servicing (jig) information
1. This unit has a gear which is used for checking items (Open/close of disc tray, up/down operation of traverse unit by manually)
when servicing.
2. For preparation of gear (for servicing}, Perform the procedures as follows.
3. In case of re-servicing the same set, the "gear for servicing" may has been taken off because it has been used.
The "gear for servicing" musi be stored,
1. Remove the gear provided with mechanism cover 2. Insert the hexagonal screwdriver (2mm) into the gear,
as shown below. and then project the tip of screwdriver for 1~2mm in length.
Cut these portions to
take the gear off.
Mechanism cover
1~2mm
"ATTENTION SERVICER"
Some chassis components may have sharp edges.
Be careful when disassembling and servicing.
1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the
main components.
2. For reassembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
3. Select items from the following index when checks or replacement are required.
Contents
- Checking Procedure For Each Major P.C.B.
1. Checking of the Main, Panel, Deck and Power P.C.B.
- Main Component Replacement Procedures
1. Replacement of the Traverse Deck.
2. Replacement of the Power Amplifier IC.
- Disassembly and assembly of the Traverse Unit
- Disassembly and assembly of the Disc Tray
Warning:
This product uses a laser diode. Refer to caution statement Precaution of Laser Diode.