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1
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FILE No.
SERVICE MANUAL
REFERENCE NO. SM6510564-00
Relaxation Chair
HEC-FX1
HEC-RX1
(U.S.A.)
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2
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Specifications
HEC-FX1/RX1
100 W (LOW voltage) / 110 W (HIGH voltage)
AC Local voltage 50/60 Hz
30 minutes
780 mm (30
11
/
16
") [width] x 1,030 mm (40
9
/
16
") [depth] x 1,230 mm (48
7
/
16
") [height]
* When not reclined (with foot rest retracted)
730 mm (30
11
/16") [width] x 1,740 mm (68
1
/2") [depth] x 715 mm (28
1
/8") [height]
* When reclined (with foot rest set horizontally)
Approx. 50kg (110 lbs.)
Approx. 115 - 155 degrees
Back rest : Motor-driven type (Linked with foot rest and seat)
Foot rest : Motor-driven type (Foot rest only)
Approx. 24 - 36 kPa (3.5-5.2 PSI)
Leather
Power consumption
Power source
Rating time
Dimensions
Weight
Reclining angle
Reclining method
Air pressure
* There is a slight difference according to the part.
Do not use the chair on other than the designated voltage.
Upholstery
Approx. 15 minutesTimer
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Name/Function of Each Part
HEC-FX1/RX1
Arm rest
Pillow
Head rest
Foot rest
Seat
Cord
Power plug
Back rest
Control
Caster
POWER switch
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4
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Wiring Diagram (for LOW voltage)
HEC-FX1/RX1
CN3CN1
CN5 CN10 CN4 CN9 CN11
CN201
CN8CN6CN7
Power Switch
AC
Fuse
(125V 5A)
Reclining Motor (Foot Rest)
Motor
Reclining Motor (Back Rest)
Limit SW
(Back Rest)
Printed board
(Control)
Printed board (Main)
Valve (No.4)
Valve (No.3)
Valve (No.2)
Valve (No.1)
Valve (No.8)
Valve (No.7)
Valve (No.6)
Valve (No.5)
Switch
Motor
Switch
Air Pump
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Wiring Diagram (for HIGH voltage)
HEC-FX1/RX1
Air Pump
CN3CN1
CN5 CN10 CN4 CN9 CN11
CN201
CN2
CN301
CN8CN6CN7
Power Switch
AC
Fuse
(250V 1.6A)
Reclining Motor (Foot Rest)
Motor
Reclining Motor (Back Rest)
Limit SW
(Back Rest)
Printed board
(Control)
Printed board
(Transformer)
Printed board (Main)
Valve (No.4)
Valve (No.3)
Valve (No.2)
Valve (No.1)
Valve (No.8)
Valve (No.7)
Valve (No.6)
Valve (No.5)
Switch
Motor
Switch
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HEC-FX1/RX1
Air-Bag Operation Confirmation Procedure
RECLINIG "DOWN" and LEG "DOWN" buttons
POWER switch "ON"
(Simultaneously press)
ON/OFF button
1
3
2
5
6
7
8
4
Turn ON the POWER switch at the rear of the main body while simultaneously pressing the
RECLINING "DOWN" and LEG "DOWN" buttons on the control.
(This operation should be started with the POWER switch turned OFF).
When the examination mode is started up, both a back rest and a foot rest move slightly and
come to a stop.
1, Start-up of Examination Mode
Press the "ON/OFF" button on the control.
Check if the air-bag inflates sequentially as shown below.
* If there are any problems, check air leakage, breakage of air hoses, and the air-bags.
To remove the examination mode, turn OFF the POWER switch.
2, Air-Bag Operation Confirmation
1, Back rest, center
2, Back rest, right
3, Back rest, left
4, Back rest, upper
5, Back rest, lower
6, Seat, rear
7, Seat, front
8, Foot rest
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HEC-FX1/RX1
Motor Operation Confirmation Procedure
PROGRAM "STRETCH" button
<Seat under><Control>
Reclining motor
(Back rest)
Reclining motor
(Foot rest)
Turn ON the POWER switch at the rear of the main body while simultaneously pressing the
RECLINING "DOWN" and LEG "DOWN" buttons on the control.
(This operation should be started with the POWER switch turned OFF).
When the examination mode is started up, both a back rest and a foot rest move slightly and
come to a stop.
1, Start-up of Examination Mode
Press the "ON/OFF" button on the control.
Press the PROGRAM "STRETCH" button on the control.
Reclinning motor (foot rest/back rest) repeat the expansion and contraction.
Whenever the PROGRAM "STRETCH" button is pushed, the operation starts and stops
alternately.
* After you exchanged the reclining motor or PCB, confirm the movement by this function.
When there is an abnormality, find out the problem and repair.
As for this function, the air pump and the valve also move at the same time.
To remove the examination mode, turn OFF the POWER switch.
2, Air-Bag Operation Confirmation
3, Motor Operation Confirmation
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HEC-FX1/RX1
Problem Diagnosis Chart
Check item
Troubled portion
Counteraction method
Check the current fuse for fusion.
Check the power cord for disconnection.
The POWER switch failure.
The connection confirmation of Printed board (main) CN1.
*HIGH Voltage only
The connection confirmation of Printed board (main) CN2.
Check the connector assembly (Printed board) for disconnection.
The connection confirmation of Printed board (transformer) CN301.
The Printed board (transformer) failure.
The connection confirmation of Printed board (main) CN8.
The connection confirmation of connector assembly C/B/A.
Check the connector assembly C for disconnection.
Check the connector assembly B for disconnection.
Check the connector assembly A for disconnection.
The connection confirmation of Printed board (control) CN201.
The Printed board (control) failure.
The Printed board (main) failure.
The connection confirmation of Printed board (main) CN5, CN10.
The reclining motor (foot rest) failure.
The connection confirmation of Printed board (main) CN4, CN9.
The reclining motor (back rest) failure.
The connection confirmation of Printed board (main) CN3.
The air pump failure.
The connection confirmation of Printed board (main) CN6, CN7.
Check the line of the valve for disconnection.
The valve failure.
The Printed board (main) failure.
The connection confirmation of air hoses.
Check the air leakage, breakage of air hoses.
Check the air leakage, breakage of air bags.
An abnormal power supply. (The ON/OFF lamp flash on and off)
Replace the current fuse.
Replace the power cord.
Replace the POWER switch.
Insert the connector.
*HIGH Voltage only
Insert the connector.
Replace the connector assembly (Printed board).
Insert the connector.
Replace the Printed board (transformer).
Insert the connector.
Insert each connector.
Replace the connector assembly C.
Replace the connector assembly B.
Replace the connector assembly A.
Insert the connector.
Replace the Printed board (control).
Replace the Printed board (main).
Insert each connector.
Replace the reclining motor (foot rest).
Insert each connector.
Replace the reclining motor (back rest).
Insert the connector.
Replace the air pump.
Insert each connector.
Replace the valve.
Replace the valve.
Replace the Printed board (main).
Insert each air hose ,correct each air hose position.
Replace each air hose.
Replace the air bags.
Replace the Printed board (main).
POWER
AIR MASSAGE
OTHER
RECLINING
FOOT REST
RECLINING
BACK REST
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HEC-FX1/RX1
Replacement Procedure
(1)
Replacement of Arm Rest Assembly
and Cover (Arm Rest Lower) Right
1, Remove two arm rest set screws on the back
of main body. Photo-1
5, Remove two arm rest set screws, disconnect
the connector between the arm rest (right)
and main body and take off the arm rest
(right). Photo-3
* In case of removing the arm rest set
screws, pay attention to the arm rest
falling down from the main body.
2, Lay down the main body with the back rest
underneath, a foot rest becomes the top.
Photo-2
3, Lift up the foot rest and bind the reclining
motor (foot rest) and the frame (foot rest)
with a string tightly. Photo-2
4, Remove two arm rest set screws and take
off the arm rest (left). Photo-2
* In case of removing the arm rest set
screws, pay attention to the arm rest
falling down from the main body.
6, Take off three ornament (cover screw).
Photo-2
7, Remove three cover (arm rest lower) right
set screws and take off the cover (arm rest
lower) right. Photo-4
Photo-1
Arm rest set screws
Cover (back cover)
Cover set screws
Cover set screws
Arm rest (left)
Arm rest (right)
Arm rest
set screws
Arm rest
Bind reclining motor and
frame with a string
Photo-2
Photo-4
Cover (arm rest lower) right
Cover set screws
Photo-3
Connector
Arm rest (right)
Frame (foot rest)
Cover (front upper)
Cover (front lower)
Reclining motor
(foot rest)
Ornament (cover screw)
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HEC-FX1/RX1
Replacement Procedure
(2) Replacement of PCB (Main)
1, Remove three cover (back cover) set screws
and take off the cover (back cover).
Photo-1
2, Lay down the main body with the back rest
underneath, a foot rest becomes the top.
Photo-2
3, Lift up the foot rest and bind the reclining
motor (foot rest) and the frame (foot rest)
with a string tightly. Photo-2
4, Remove seven cover (front) set screws and
take off the cover (front upper) and the
cover (front lower). Photo-2
5, Remove one cover (PCB) set screw and take
off the cover (PCB). Photo-5
6, Disconnect connectors connected to the
PCB (main). Photo-6
7, Unfix nine stoppers (PCB) from the bottom
side of the main body and take off the PCB
(main). Photo-6
(3) Replacement of Valve
1, Take off the cover (back cover) and the arm
rest (right). Photo-1,2,3
2, Take off the cover (front upper), the cover
(front lower), the cover (arm rest lower)
right and the cover (PCB).
Photo-2,4,5
3, Disconnect each air hose. Photo-7
*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 the valve
assembly. Photo-7
5, Remove two cover (air pump) set screws,
take off latches of libs at the rear of the
cover (air pump) and take off the cover
(air pump). Photo-7
6, Remove two valve set screws and take off
the valve assembly. Photo-7
Photo-5
Valve
Cover (PCB)
PCB (main)
Photo-6
Air hose
Cover (air pump)
Cover set screw
Cover (air pump)
Photo-7
Stopper (PCB)
Valve
Valve set screws
Cover set screws
Valve set screws
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HEC-FX1/RX1
Replacement Procedure
(4) Replacement of Air Pump and
PCB (Transformer)
1, Take off the cover (back cover) and the arm
rest (right). Photo-1,2,3
2, Take off the cover (front upper), the cover
(front lower) and the cover (arm rest lower)
right.
Photo-2,4
3, Take off the cover (PCB) and the cover (air
pump). Photo-5,7
4, Take off the cord processing of an air pump.
Photo-8
5, Remove four fixing rubbers of the air pump
and take off the air pump. Photo-8
(5) Replacement of PCB (Transformer)
* HIGH Voltage only
1, Take off the cord processing of a PCB
(transformer). Photo-8
2, Unfix five stoppers (PCB) from the bottom
side of the main body and take off the PCB
(transformer). Photo-8
(6) Replacement of Reclining Motor
1, Take off the cover (back cover) and the arm
rest (left/right). Photo-1,2,3
2, Take off the cover (front upper), the cover
(front lower) and the cover (arm rest lower)
right. Photo-2,4
3, Remove two cover assembly (back rest) set
screws on the back of foot rest. Photo-9
4, Unzip the fastener of the cover assembly
(back rest) and uncover the part of foot rest
of cover assembly (back rest). Photo-9
5, Disconnect each cord processing and cords.
Photo-10
6, Lay down the main body with its left side
facing downward. Photo-10
7, Each reclining motor is fixed at two places
on both ends. Therefore, remove E rings
on both ends and pull out fixing pins.
Photo-10
Photo-8
PCB (transformer)
Air pump
Fastener
Stopper (PCB)
Fixing rubber
Photo-9
Cover set screws
Cover assembly (back rest)
Reclining motor
(back rest)
Reclining motor
(foot rest)
Photo-10
E rings & fixing pins
E rings & fixing pins
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HEC-FX1/RX1
Replacement Procedure
(7) Replacement of Control
1, Take off the arm rest (right). Photo-1,2,3
2, Remove two control set screws on the rear
of a stay (control), disconnect a connector
connected to the PCB (control) and take off
the control. Photo-11,12
3, Remove three case (control lower) set
screws, take off latches of two libs and take
off the case (control lower). Photo-11
4, Remove two PCB (control) set screws and
take off the PCB (control). Photo-13
5, Remove eleven cover (arm rest) right set
screws and take off the cover (arm rest)
right. Photo-12
6, Disconnect the processing of connector
assembly B. Photo-14
7, Remove eight stay (arm rest front / rear)
right set screws and take off the part of arm
rest (upper). Photo-14
8, Remove two stay (control) set screws and
take off the stay (control). Photo-11
9, Remove seven arm rest assembly (upper)
set screws and take off the arm rest
assembly (upper). Photo-15
10, Remove one stay (arm rest rear) right set
screws and take off the stay (arm rest rear)
right. Photo-15
11, Take off the connector assembly B.
Photo-15
Photo-11
Case set screws
Control set screws
Stay (control)
Case (control lower)
Photo-14
Stay (arm rest front)
Stay (arm rest rear)
Stay set screws
Stay set screws
Stay set screws
Photo-15
Cover set screws
Arm rest assembly (upper)
Photo-12
Conector assembly B
Conector assembly B
Cover set screws
Conector
Control
Photo-13
PCB set screws
PCB (Control)
Stay (arm rest front) right
Stay (arm rest rear) right
Stay set screw
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HEC-FX1/RX1
Replacement Procedure
Nov./2007 Printed in Japan
SANYO
Electric Co.,Ltd
Osaka, Japan
(8) Replacement of Power Switch and
Current Fuse
1, Open a fuse cover of current fuse and take
out a current fuse. Photo-16,17
2, Take off the cover (back cover). Photo-1
3, Take off the cover (front upper), the cover
(front lower) and the cover (PCB).
Photo-2,5
4, Remove each cord processing and disconnect
the cords. Photo-16
5, Remove two power supply box set screws
and take off the power supply box.
Photo-16
6, Remove four case (power supply box upper)
set screws and take off the case (power
supply box upper). Photo-17
7, Take off latches of upper and lower libs and
take off the POWER switch. Photo-18
Photo-18
POWER switch
Power cord
Photo-16
Power supply box set screws
Fuse cover
Power supply box
Photo-17
Case set screws
Case (power supply box upper)
Current Fuse
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Sanyo HEC-FX1 User manual
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