Kenwood KR-4070 Service Manual page 5

DISASSEMBLY FOR REPAIR
REMOVING PANEL ASS'Y
1. Remove 10 screws from the top and side of the case. ©
Remove the case. @
Pull knob from shaft. @
2.
3.
4. Remove the screw from the panel ass'y. @
A
@ M3 x 6 (Bi-Tap)
se
|
@Case
(Nut
@ Knob
(K23-0280-04)
Knob
(K23-0281-04)
@Knob
(K21-0342-04)
REMOVING AUDIO BLOCK
1. Remove 3 screws from the sub panel. @
2. Remove the boss from the sub panel. @
3. Remove the 4 screws from the framework. @
~®
=~
i
In case of removing Audio block.
In case of removing heat sink.
D W
7?
Ww
Ue
fo
(5) M3 x 8 (Br-tap)
Soldering iron
@ Boss
(J32-0236-04) M3 x 8 (Br-tap)
ow a
ee —@© Panel ass'y
Soo
5. Remove the nut of the speaker and the selector switch
from panel ass'y. ©
6. Remove the panel ass'y. ©
NOTE:
M3 x 6 (Bi-tap):
M3 x 6 (Br-tap): N87-3006-46
M3 x 8 (Br-tap): N87-3008-46
M3 x 10 (Bi-tap): N89-3010-45
N89-3006-45
(Br-Tap)
REMOVING POWER TRANSISTOR
1. Unsolder the ead of power transistor and thermistor. @
2. Remove 2 screws from heat sink mounting hardware.
®
3. Remove the heat sink.
Power transistor