Sanyo HEC-DR7700 Service Manual page 18

Replacement Procedure
6, Disconnect connectors connected to the
PCB (power).
7, Unfix nine stoppers (PCB) and take off the
PCB (power).
8, Remove three stay (PCB) set screws and
take off the stay (PCB).
* There is a set screw around under a reclining
motor at the left side.
9, Disconnect the connectors connected to the
PCB (main).
10, Unfix nine stoppers (PCB) from the bottom
side of the massager and take off the
PCB (main).
Stay (PCB)
PCB (main)
Stay(PCB) set screws
(3) Replacement of Valve
1, Take off the arm rest and cover(arm rest
lower).
2, Take off the cover (under front )
3, Disconnect each air hose.
*When taking off the air hoses, indicate a
mark such as number, symbol
(Exercise care so as not to make a
mistake in connecting the hoses).
4, Remove the cord processing of a valve.
5, Remove one holder(valve) set screws and
take off the valve assembly and holder(valve).
6, Remove two valve set screws and take off
the valve assembly.
Photo-5
Photo-5
Photo-5
Photo-5
Photo-5
PCB(power)
(4) Replacement of Air Pump,
Stopper
1, Take off the arm rest and cover(arm rest
2, Take off the cover (under front )
3, Remove two cover(air pump) set screws and
4, Take off the cord processing of an air pump.
5, Remove four fixing rubbers of the air pump
Photo-5
6, Take off the cord processing of a transformer.
7, Remove two transformer set screws and
Photo-1,2
Photo-3
Photo-6
Photo-6
Photo-6
Photo-6
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Valve
Holder set screw
Cover (air pump) set screws
Transformer
lower).
take off the cover(air pump).
and take off the air pump.
take off the transformer.
Transformer
HEC-DR7700
Holder (valve)
Cover (air pump)
Photo-6
Photo-1,2
Photo-3
Photo-7
Photo-7
Photo-7
Set screws
Air pump
Photo-7