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Sanyo HEC-DR8700 Service Manual

Chair type massager (massage lounger)
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FILE No.
Chair Type Massager
HEC-DR8700
SERVICE MANUAL
(Massage Lounger)
SM6510607-00
REFERENCE NO.
- 1 -

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  Summary of Contents for Sanyo HEC-DR8700

  • Page 1 FILE No. Chair Type Massager HEC-DR8700 SERVICE MANUAL (Massage Lounger) SM6510607-00 REFERENCE NO. - 1 -...
  • Page 2: Specifications

    Specifications HEC-DR8700 Power source AC Local voltage 50/60 Hz Power consumption 200 - 290 W Power dissipation of electric heating equipment 33 W Rating time 30 minutes (WHOLE BODY SENSOR AUTOMATIC COURSES) FULL AUTO Approx. 17 minutes STIFFNESS, RECOVERY, RELAX Approx.
  • Page 3: Block Chart

    Block Chart HEC-DR8700 For detecting body pressure by Body pressure volume resistance (volume rotary) detection Motor For detecting RPM and rotating Motor for massage Protrusion detection (Massage) direction of motor (strength) (Motor strength) (Hole IC IC-931/932) For detecting pulse of motor...
  • Page 4: Wiring Diagram (For Low Voltage)

    Wiring Diagram (for LOW voltage) HEC-DR8700 Limit Switch (UPPER) Printed board CN904 (Strength) CN931 (Strength Pulse) Volume Rotary CN903 CN902 ( Body Pressure) Printed board Printed board Motor (Elevation) CN911 (Massage Pulse) (Elevation Pulse) Motor (Strength) CN905 Motor (Massage) CN906...
  • Page 5: Wiring Diagram (For High Voltage)

    Wiring Diagram (for HIGH voltage) HEC-DR8700 Limit Switch (UPPER) Printed board CN904 (Strength) CN931 (Strength Pulse) Volume Rotary CN903 CN902 ( Body Pressure) Printed board Printed board Motor (Elevation) CN911 (Massage Pulse) (Elevation Pulse) Motor (Strength) CN905 Motor (Massage) CN906...
  • Page 6 Air Wiring HEC-DR8700 Air pump compressing decompressing Air tank Exhaust 5 Air bag (Foot pinching, inside) 5 Valve Exhaust 1 Air bag (Foot pinching, inside) (Foot shiatsu, middle) 5 Air bag 1 Valve (Foot pinching, inside) (Foot shiatsu, middle) 1 Air bag...
  • Page 7 Air Massage HEC-DR8700 Structure of air massaging component for lower extremities Air hoses Valve ass'y Air tank Valve ass'y Air pump Photo-1 Photo-2 Foot shiatsu, middle Foot pinching, inside Foot shiatsu, back and forth Foot pinching, outside Leg shiatsu Ankle pinching...
  • Page 8 Massage Motors HEC-DR8700 Massage motor Strength motor Tapping motor Elevation motor 1, Tapping motor This motor rotates to move the massage rollers upward and downward alternately via the driving belt coupled to the motor. (The motor revolutions is adjustable in five steps so that the tapping frequency can be changed over to approximately 300-600 cycles/minute.)
  • Page 9 Reclining Motors HEC-DR8700 <BEST POSITION> When press the BEST POSITION button, the seat will move to the inclination of 30 degrees and the back rest, seat and foot rest will move automatically to their preset angles. Press the BEST POSITION button.
  • Page 10 Operation of Stress and Stiffness Detecting Sensors HEC-DR8700 The sensor employs two types of sensors; a STRESS sensor and a STIFFNESS sensor for monitoring two physiological factors (pulse fluctuations and perspiration respectively). STRESS SENSOR Rear of sensor controller Selecting the Full Auto Course and inputting...
  • Page 11 Massaging (WHOLE BODY SENSOR AUTOMATIC COURSES) HEC-DR8700 Course selection of FULL AUTO Automatic massages based on the degrees of stress and stiffness measured by whole body sensors prior to massaging. Press the FULL AUTO button. Stress is measured. *Keep calm during stress measurement.
  • Page 12 Operation of Body Pressure Sensor HEC-DR8700 Detects a pressure applied to the massaging rollers for automatic adjustment to their best position. Detects a pressure applied to the massaging rollers for measuring spine curving to find out body contour and shoulder position.
  • Page 13: Error Message Indication (In Service Mode)

    Error message indication (in Service Mode) HEC-DR8700 *Abnormal indications detected during operation are stored in a memory up to seven. Seven abnormal indications stored can be confirmed in the service mode (Older indications than the seven abnormal indications will be deleted sequentially).
  • Page 22 Stiffness Sensor/Air-Bag Operation Confirmation Procedure HEC-DR8700 Start-up of Examination Mode Turn ON the POWER switch at the rear of the massager while simultaneously pressing the ROLLER POSITION "UP" and "DOWN" buttons and "STRETCH" button on the remote controller (This operation should be started with the POWER switch turned OFF).
  • Page 23 Motor/Stress Sensors Operation Confirmation Procedure HEC-DR8700 Start-up of Examination Mode Turn ON the POWER switch at the rear of the massager while simultaneously pressing the ROLLER POSITION "UP" and "DOWN" buttons and "STRETCH" button on the remote controller (This operation should be started with the POWER switch turned OFF).
  • Page 24: Replacement Procedure

    Replacement Procedure HEC-DR8700 (1) How to remove Arm Rest, Cover (Arm Rest Lower) and Cover (Under) 1, Remove one holder (cord holder) set screw Stand assembly and take off the holder (cord holder). (remote control) Arm rest Photo-1 Stand set screws...
  • Page 25 Replacement Procedure HEC-DR8700 (2) Replacement of PCB (Main) and PCB (Power) (3) Replacement of Valve 1, Take off the arm rest (left), the cover (arm rest 1, Take off the arm rest (right), the cover (arm lower left) and the covers (under). Photo-1,2,3...
  • Page 26 Replacement Procedure HEC-DR8700 (4) Replacement of Air Pump, Transformer (5) Replacement of Reclining Motor 1, Take off the arm rest (left), the cover (arm rest 1, Cut four bands and remove upside of the lower left) and the covers (under).
  • Page 27 Replacement Procedure HEC-DR8700   (7) Replacement of Power Switch and Power Cord 8, Each reclining motor is fixed at two places 1, Take off the arm rest (right) and the cover on both ends. Therefore, remove E rings or (arm rest lower right).
  • Page 28 Replacement Procedure HEC-DR8700 (8) Replacement of Remote Control (9) Replacement of Sensor Controller 1, Take off the arm rest (right) and the cover 1, Take off the arm rest (right) and the cover (arm rest lower right). Photo-1,2 (arm rest lower right).
  • Page 29 Replacement Procedure HEC-DR8700 (10) How to Remove A Massage Unit 1, Cut four bands and remove upside of the 4, Remove the cord processing of the connector cover (back cover under). Photo-8 (main harness) and disconnect the connectors 2, Remove eight cover (back cover) set screws,...
  • Page 30 Replacement Procedure HEC-DR8700 (11) How to Reassemble the Massage Unit 1, Tape a lever of a micro switch. 7, Turn the pulley (elevation) clockwise, move the For the purpose of preventing the lever of massage unit upwards, and take off a drive the micro switch from being deformed or wheel A from a back frame guide toward you.
  • Page 31 Replacement Procedure HEC-DR8700 (12) Replacement of PCB (Strength pulse) (14) Replacement of PCB (Massage pulse) 1, Disconnect the connector CN931 of the PCB 1, Disconnect five connectors of the PCB (strength pulse). Photo-24 (massage pulse). Photo-26 2, Remove one PCB (strength pulse) set screw 2, Remove two PCB (massage pulse) set screws and take off the PCB (strength pulse).
  • Page 32 Replacement Procedure HEC-DR8700 (16) Replacement of PCB (Tapping pulse) and PCB (Elevation pulse) 4, Disconnect the belt (elevation). 1, Disconnect the connector CN921 of the PCB Photo-30 (tapping pulse). Photo-28 5, Remove two gear box (elevation) set screws, 2, Remove one PCB (tapping pulse) set screw slide the gear box outwards, and turn it and take off the PCB (tapping pulse).
  • Page 33 Replacement Procedure HEC-DR8700 (18) Replacement of Motor (Tapping) * Take off the motor (massage) and motor 7, Remove two holder (shaft tapping) set (elevation) in advance. screws. Photo-34 1, Disconnect the belt (tapping). Photo-32 8, Remove ring E 10. Photo-34 2, Remove ring E 10 and pull out pulley 9, Remove two motor (tapping) set screws.
  • Page 34 Replacement Procedure HEC-DR8700 (20) Replacement of Limit switch (Elevation) (22) Replacement of Transformer 1, Remove one cover (shaft screw) set screw 1, Take off the arm rest (left), the cover (arm rest lower left) and the covers (under) . and take off the cover (shaft screw).
  • Page 35 E ring Air hoses Connector (heater B) Wire (foot rest slide) Fixing pin E ring Foot rest Nuts (wire) Air hoses Air hose joint Connector (heater B) joint Photo-41 SANYO Electric Co.,Ltd - 35- Mar./2010 Printed in Japan Osaka, Japan...