Sanyo HEC-DR8700 Service Manual Download Page 1 | Manualshive

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FILE No.

SERVICE MANUAL

REFERENCE NO.

SM6510607-00

Chair Type Massager
(Massage Lounger)

HEC-DR8700

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Summary of Contents for HEC-DR8700

Page 1: ... 1 FILE No SERVICE MANUAL REFERENCE NO SM6510607 00 Chair Type Massager Massage Lounger HEC DR8700 ...

Page 2: ...consumption Powerdissipationofelectricheatingequipment Power source Rating time Dimensions Cord length Approx 90 kg 198 lbs Weight Massager rollers up down range Height adjustment of massaging rollers Reclining angle Reclining method Lower body massaging Air pressure There is a slight difference according to the part Accessories Upholstery Vertical movement speed Partial stretching Partial Repetit...

Page 3: ...the end of upper and lower of reclining motor seat For detecting the end of upper and lower of reclining motor back rest For detecting the end of upper and lower of reclining motor foot rest For detecting the upper end of massage unit For detecting abnormal inclination of back rest frame For detecting temperature of heater sole Thermistor Room temperature For detecting temperature of room LOW mode...

Page 4: ...assage Pulse Printed board Elevation Pulse Printed board Strength Pulse Printed board Tapping Pulse Volume Rotary Body Pressure Limit Switch UPPER Strength Motor Elevation Stiffness Sensor Stress Sensor Sensor Controller Remote Control Printed board SensorController Printed board Remote Control Printed board Main Heater Sole Thermistor Printed board Power Motor Strength Motor Massage Motor Tapping...

Page 5: ...oard Massage Pulse Printed board Elevation Pulse Printed board Strength Pulse Printed board Tapping Pulse Volume Rotary Body Pressure Limit Switch UPPER Strength Motor Elevation Stiffness Sensor Stress Sensor Sensor Controller Remote Control Printed board SensorController Printed board Remote Control Printed board Main Heater Sole Thermistor Printed board Power Motor Strength Motor Massage Motor T...

Page 6: ...ir bag Leg shiatsu 9 Air bag Seat left 2 Valve Foot shiatsu back and forth 3 Valve Leg shiatsu 9 Valve WaistandSeat left 4 Valve Leg pinching inside outside Exhaust Exhaust Exhaust Exhaust Exhaust Exhaust Exhaust Exhaust 4 Air bag Leg pinching inside outside 4 Air bag Leg pinching inside outside 5 Air bag Foot pinching inside 5 Air bag Foot pinching inside 6 Air bag Foot pinching outside 6 Air bag...

Page 7: ...ed by changing the air bags elasticity due to operating the air pump to three stages strong medium weak Structure of air massaging component for lower extremities 1 Soles massaging has the two process 1 foot is pinched by airbags 2 Foot pinching inside 3 Foot pinching outside and 2 foot is pushed by air bags foot shiatsu 2 Your foot is moved by swelling air bags 2 Foot pinching inside 3 Foot pinch...

Page 8: ...ately 63 140 mm 3 Strength motor This motor rotates to transmit its rotating torque to the shaft screw via the driving belt whereby the massage unit is moved forward and backward and the massage rollers is moved forward and backward This motor rotates clockwise and counterclockwise to thereby move the massage unit forward and backward When gripping tapping kneading shiatsu and spine stretching the...

Page 9: ...otor seat When the BEST POSITION button is pressed the seat the back rest and the foot rest will move in conjunction It is not possible to adjust only the seat Excluding AUTOMATIC COURSES STRETCH course when the RECLINING buttons up down is pressed with the seat raised the seat is lowered Reclining motor foot rest The foot rest will raise and lower by the reclining motor foot rest The foot rest ca...

Page 10: ...When felt stiffened the perspiration tends to increase 4 When feeling a pain the perspiration tends to significantly increase In the massage position display the position where stiffness is detected the point needs to be massaged will be displayed How to measure stress Grip the stress sensor with both hands to measure your pulse fluctuations of R R intervals as seen in an electrocardiogram and det...

Page 11: ...esponding to your age Grip the sensor controller with your fingers with both hands so that four sensors are touched Stiffness is measured Grip the sensor controller with your fingers with one hand so that three sensors are touched Measure the position of shoulder Sensor massaging will start Massage according to detected stress and stiffness The STRESS indicator disappears Course selection of STIFF...

Page 12: ...r Automatic Course or the Automatic Course the body pressure sensor will work to stop the operation by pulling back the massaging rollers for safety In such a case begin the operation again from the start 10 buttons flash on and off and the massage stops Corrects the positions automatically if the posture varies when reclining a seat The ADJUST lamp of the remote control is flickering while measur...

Page 13: ...o delete all abnormal indication memory When the STIFFNESS and TIMER indicators are disappeared all abnormal indication memory have been deleted When the massager is placed in the service mode the latest abnormal indication is displayed The ROLLER POSITION DOWN button of the remote control is used to display older abnormal indications one by one and UP to display newer abnormal indication one by o...

Page 14: ...in CN15 2 The connection confirmation of Printed board Sensor controller CN701 3 Check the Connector A B Sensor controller for disconnection or shorting 4 Others 1 The connection confirmation of Printed board Main CN15 2 The connection confirmation of Printed board Sensor controller CN701 3 Check the Connector A B Sensor controller for disconnection or shorting 4 Others 1 The connection confirmati...

Page 15: ...ain CN2 output approx DC60 100V 1 The connection confirmation of Printed board Main CN9 Printed board Massage pulse CN901 CN906 Printed board Taping pulse CN921 2 Check turning on confirmation main harness 3 Check the magnet for the tapping detection 4 Check the Printed board Tapping pulse IC921 for inclination 1 Check the tapping motor belt for dislocation and cut off Insert the connectors Insert...

Page 16: ...Printed board Massage pulse CN901 CN902 and Printed board Strength pulse CN931 2 Check turning on confirmation main harness 3 Check the magnet for the strength detection 4 Check the Printed board Strength pulse IC931 C932 for inclination 1 Check the strength motor belt for dislocation and cut off 1 The connection confirmation of Printed board Main CN5 and the junction connector 2 Check the Printed...

Page 17: ...ction confirmation of Printed board Main CN9 Printed board Massage pulse CN901 CN905 and Printed board Elevation pulse CN911 2 Check turning on confirmation main harness 3 Check the magnet for the elevation detection 4 Check the Printed board Elevation pulse IC912 for inclination 5 Check the limit switch elevation 6 The connection confirmation of Printed board Main CN11 1 The connection confirmati...

Page 18: ...t the connector Insert the connectors Replace the reclining motor foot rest Replace the Printed board Main Insert the connector If output Replace the reclining motor foot rest If no output Replace the Printed board Power Insert the connector Insert the connectors Replace the reclining motor foot rest Replace the Printed board Main Insert the connector If output Replace the reclining motor foot res...

Page 19: ...t the connector Insert the connectors Replace the reclining motor back rest Replace the Printed board Main Insert the connector If output Replace the reclining motor back rest If no output Replace the Printed board Power Insert the connector Insert the connectors Replace the reclining motor back rest Replace the Printed board Main Insert the connector If output Replace the reclining motor back res...

Page 20: ... the Printed board Power Insert the connector Insert the connectors Replace the reclining motor seat Replace the Printed board Main Insert the connector If output Replace the reclining motor seat If no output Replace the Printed board Power Insert the connector Insert the connectors Replace the reclining motor seat Replace the Printed board Main Insert the connector Replace the Connector A B heate...

Page 21: ...the power supply of an power point 2 Others Replace the volume rotary body pressure Insert the connectors Replace the main harness Replace the Printed board Main Replace the Printed board Main Replace the Printed board Main Up to seven abnormal indications are stored in a memory In case of less than seven since there are not any abnormal indications the STIFFNESS and TIMER indicators are disappear...

Page 22: ... The Grip the Sensor on the remote control will be illuminated if your fingers hand are not placed on the sensors If there are any problems find out the problems and repair To remove the examination mode turn OFF the POWER switch Stiffness Sensor Operation Confirmation Press either UP or DOWN button of the LOWER BODY adjustment on the remote controller Check if the air bag inflates sequentially as...

Page 23: ...PEAT button again and again After you exchanged the massage unit reclining motors or PCB confirm the movement by this function When there is abnormality the operation of the examination mode stop and display abnormal indication find out the problem and repair As for this function the sole warmer the air pump the valve also move at the same time Grip the Sensor on the remote control will be turned ...

Page 24: ...t screws and take off the cover arm rest lower right Photo 2 8 Take off the ornament cover side arm rest assembly left and the cover arm rest lower left in the same way Photo 1 2 9 Rotate main body of the chair so the back of the head rest is on the floor and the foot rest is in the air Photo 3 10 Lift up the foot rest and insert a screwdriver and so forth into the link to fix the link Photo 3 11 ...

Page 25: ... from the bottom side of the main body and take off the PCB main Photo 5 3 Replacement of Valve 1 Take off the arm rest right the cover arm rest lower right the arm rest left the cover arm rest lower left and the covers under Photo 1 2 3 2 Take off the cover PCB and disconnect the connectors CN6 CN7 connected to the PCB main Photo 4 5 3 Disconnect each air hose 4 Remove the cord processing of a va...

Page 26: ...d take off the transformer Photo 7 5 Replacement of Reclining Motor 1 Cut four bands and remove upside of the cover back cover under Photo 8 2 Remove eight cover back cover set screws take off the cover back cover upper and the cover back cover lower Photo 8 3 Take off the arm rest right the cover arm rest lower right the arm rest left the cover arm rest lower left and the covers under Photo 1 2 3...

Page 27: ...13 7 Disconnect the connector of the power cord and take off the power cord Photo 13 8 Each reclining motor is fixed at two places on both ends Therefore remove E rings or R pins on both ends and pull out fixing pins Photo 10 6 Replacement of Current Fuse 1 Open the fuse cover of the current fuse and take out the current fuse Photo 11 Current fuse Fuse cover Power supply box set screws Case power ...

Page 28: ...r 1 Take off the arm rest right and the cover arm rest lower right Photo 1 2 2 Take off the power supply box Photo 11 12 3 Take off the case power supply box upper and disconnect the connector sensor A Photo 12 13 4 Remove four sensor case set screws and take off the sensor case upper Photo 16 5 Remove one PCB sensor controller set screws Photo 17 6 Take off the PCB sensor controller and disconnec...

Page 29: ...nal line Photo 19 Remove one earthing set screw and cut each cord band black Cut the cord bands with a nipper so that the cords do not get scratched In order to restore the wiring processing after reassembling the massage unit indicate a mark on the cords before disconnecting the wiring 5 Remove one spring A main harness set screw and take off a spring A main harness Photo 19 6 Remove two screws s...

Page 30: ... unit from the massager body Photo 21 11 How to Reassemble the Massage Unit 1 Tape a lever of a micro switch For the purpose of preventing the lever of the micro switch from being deformed or damaged by incidentally hitting it when installing the massage unit After installing the massage unit peel the tape Photo 22 2 Fit the massage unit in parallel so that the first right and left gear rack teeth...

Page 31: ...isconnect five connectors of the PCB massage pulse Photo 26 2 Remove two PCB massage pulse set screws and take off the PCB massage pulse Photo 26 15 Replacement of Motor Massage 1 Remove each cord processing 2 Disconnect the belt massage Photo 26 3 Remove two motor massage set screws Photo 26 4 Remove two stay under the motor massage set screws and take off the motor massage and the stay under the...

Page 32: ...ation set screws Photo 29 4 Disconnect the belt elevation Photo 30 5 Remove two gear box elevation set screws slide the gear box outwards and turn it clockwise as shown in Photo 31 Photo 30 31 6 Remove two stay motor elevation set screws Photo 30 7 Remove two motor elevation set screws and take off the motor elevation Photo 31 Exercise care so as not to adhere grease to the driving portions such a...

Page 33: ...gear box massage set screws and pull out gear box massage from shaft Photo 35 7 Remove two holder shaft tapping set screws Photo 34 8 Remove ring E 10 Photo 34 9 Remove two motor tapping set screws Photo 34 5 Remove two stay motor massage set screws Photo 33 6 Remove seven stay A set screws Photo 33 10 Move stay A along a shaft Photo 35 11 Take out the motor tapping Photo 35 Photo 34 Holder set sc...

Page 34: ...tary Photo 37 3 Disconnect the volume rotary Photo 37 22 Replacement of Transformer 1 Take off the arm rest left the cover arm rest lower left and the covers under Photo 1 2 3 2 Remove one cover transformer set screw and cut of two fixed bands Photo 38 3 Take off the cover transformer Photo 38 4 Disconnect the transformer connectors 5 Remove transformer set screws and take off the transformer Phot...

Page 35: ...t connector heater B Photo 41 5 Loosen nuts of the wire foot rest slide and remove the wire foot rest slide Photo 41 6 Cut the bands and unzip the fastener between the foot rest section and seat section Photo 42 7 After lower the foot rest lay down the main body with its left side facing downward 8 Remove E rings and pull out fixing pins and take off the foot rest Photo 42 Photo 41 Connector heate...

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