JVC KS-F54 Service Manual page 19

Information for using a car audio service jig
1. We're advancing efforts to make our extension cords common for all car audio products.
Please use this type of extension cord as follows.
2. As a U-shape type top cover is employed, this type of extension cord is needed to check operation of the
mechanism assembly after disassembly.
3. Extension cord : EXTKSRT002-18P ( 18 pin extension cord ) For connection between mechanism assembly
and main board.
4. Check for mechanism driving section such as motor ,etc.
Disassembly method
1. Remove the front panel assembly.
2. Remove the bottom cover.
3. Remove the front chassis.
4. Remove the heat sink.
5. Remove the rear panel
6. Remove the main board.
7. Reattach the heat sink with the two screws B. (Refer to Disassembly method.)
8. Reattach the rear panel with the screw E. (Refer to Disassembly method.)
9. Reattach the front panel assembly.
10. Confirm that current is being carried by connecting an extension cord jig.
Note
Available to connect to the CJ601 connector when installing the front panel.
CAUTION :
Be sure to attach the heat sink and rear panel on the power amplifier IC and regulator IC
of a main board when supplying the power.
If voltage is applied without attaching those parts, the power amplifier IC and regulator IC
will be destroyed by heat.
To
Cassette mechanism
EXTKSRT002-18P
All manuals and user guides at all-guides.com
Extension cord
EXTKSRT002-18P
To
Main board
Front panel assembly
Cassette mechanism
Main board
(No.49828)1-19
KS-F54