General Remarks - Sanyo JJ-P4 Service Manual

GENERAL REMARKS
@ Before.disassembling the unit, spread a soft rubber mat or a
cloth on the workbench to avoid scratches and grease stains.
@ Do not use a material which is likely to cause static ©
electricity because transistors and ICs may be easily
damaged by it. | ) :
@ Reassemble the unit, noting the kinds of screws, the
soldering and arrangement of the leads. Refer to "Circuit
Diagram and Exploded Views" for correct assembly. .
@ Before disassembling the unit, take out the cassette tape
and the batteries. | |
e Reassemble in reverse order.
CABINET BOTTOM REMOVAL |
1. Remove the four screws (1 ~ 4) fastening the CAbinet
Bottom and open the battery compartment lid.
2. Detach the Cabinet Bottom by lifting it in the direction of the
arrow. tte ts |
Cabinet Bottom
P.C.BOARD REMOVAL 7
1. Detach the Cabinet Bottom, and unsolder the lead wires
(black and red) from the battery terminals and the Reverse
switch leads (red and blue) from the switch.
2. Remove the screw (5) detach the P.C.Board by lifting it in the
directionofthearrow. = = # © — - oe
_ DISASSEMBLY INSTRUCTIONS
3. Turn over the P.C.Board toward the back of the unit with
caution not to damage the FPCs of the Motor and Head.
1. Detach the P.C.Board, and remove the five screws (6 ~ 10).
ae | Detach the Frame by pulling it in the direction of the arrow.
CASSETTE LID REMOVAL |
1. Detach the P.C.Board and Frame adn remove the screw (11)
_ todetach the Hinge Bracket.
2, Remove the two screws (12 and 13) and detach the Cassette
Compartment Lid after opening the Lid by pressing the
STOP/EJECT button.
Cassette Compartment Lid