Disassembly - JVC KB-700 Service Manual

<B-700 B/N/H
Disassembly
1. Removal of the base cover
1) Remove the battery cover first, then take out bat- 4)
Remove
2 tapping screws C .
ies ° 5) Remove the cover taking special care.
2) Remove 10 tapping screws A .
3) Remove 4 screws with washers B .
2. Checking up voltages on the PC board
■
In case of checking up almost all parts of boards ex¬
cept a part of the CP board, remove 4 screws fixing
the RS board as shown in Fig. 1.
m When checking up the innermost part of the CP
board, remove the board, transformer and battery
holder first.
TR Q29
P. Transformer
Fig. 11
Note:When re-assembling the boards and parts removed once, take great care not to make a mistake in applying screws.
Screws for plastics have larger pitches while smaller pitches for steel goods.
3. Removal of volume control knobs and switch knobs
1) Knobs of volume controls can be removed by pulling outwards.
2) To remove switch knobs place the board as shown in Fig. 11 and push out them with a minus screwdriver or the like
through the square hole of the board. When fitting knobs again, take care about colors of knobs. (Refer to page 19.)
8