Sanyo HEC-DR7700 Service Manual page 26

Replacement Procedure
(19) Replacement of Limit switch (Elevation)
1, Remove one cover (shaft screw) set screw
and take off the cover (shaft screw).
2, Take off the holder (limit switch).
3, Disconnect the limit switch.
Limit switch
Holder (limit switch)
(20) Replacement of Volume rotary
* Take off the motor (strength) in advance.
1, Remove one cam (pressure) set screw and
take off the cam (pressure).
2, Loosen a nut of volume fixation and take
off the volume rotary.
3, Disconnect the volume rotary.
Volume rotary
Photo-36
Photo-36
Photo-36
Cover (shaft screw)
Cover set screw
Photo-36
Photo-37
Photo-37
Photo-37
Cam set screw
Cam (pressure)
Nut
Photo-37
(21) Replacement of Transfommer
1, Disconnect the transformer connector.
2, Remove one cover (transformer) set screw
and cut of two fixed bands.
3, Take off the cover (transformer).
Transformer connector
4, Remove two transformer set serews.
5, Remove cord bushing.
Transformer
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HEC-DR7700
Photo-38
Photo-38
Fixed band
Cover (transformer)
Cover set screw
Photo-38
Photo-39
Photo-39
Transformer set screws
Cord bushing
Photo-39