Kenwood KR-4070 Service Manual page 6

KR-A070
DISASSEMBLY FOR REPAIR
REMOVING TUNER BLOCK
1. Pull out the mini-connector from Pin ass'y. ©
2. Remove the dial pulley from variable capacitor. @
NOTE: Make sure the string of dial pulley is not raved
3. Remove the 9 black screws from the rear panel and
separate the rear panel from the framework. @
Mini-connector
(E31-0100-05)
t
@ Boss
(J32-0237-04)
a
Tuner unit
REPLACING THE ROTARY WAFER
Speaker switch and selector switch are employed Rotary
switch on each unit.
In case of the wafer being poor contact, it is easy to replace
the defective wafer as the following.
1. Pull out the rotary switch shaft. ©
2. Loose the hook fixing the wafer. @
3. Pull out the defective wafer and replace with new one.
@
NOTE: Before repalcement, turn the shaft of the new and
the old rotary switch to the fully counterclockwise
and unsolder the legs of water from a PC board.
® ©M3 x 8 (Br-tap)
4. Remove the boss from the subpanel. @
5. Remove 5 screws from the PC board. ©)
Terminal board
(E29-0088-05)
@M3 x 10 (Bi-tap)
Wafer
Rotary switch
Shaft