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SERVICE MANUAL
MODEL
Power source
Power consumption
Rated time
Personal sensor course
Automatic course
Kneading rate
Tap rate
Tap range
Back stretch settings
Vertical motion rate
Massage sphere vertical reach
Reclining angle
Leg massage
Roller rotation
Timer
Dimensions (W x D x H)
Weight
Massage chair
HEC-DR21
AC 110 V 60Hz
165 W
30 minutes
Recovery / Relax
Four (neck / shoulders, upper torso, lower back, legs)
Approx. 16,22,30 pulses/min. (3 speeds)
Approx. 300,480,600 times/min. (3 positions)
Approx. 70,100,130mm (3 positions)
Approx. 70,100,130mm (3 positions)
Approx. 30sec./up-and-down cycle
Approx. 635mm (straight line)
Back: approx. 120-170 degrees, Leg: approx. 0-100 degrees
Rotating roller (Manual course: approx. 15 min., Automatic course: approx. 12 min.)
Higher speed: 100 times/min., Lower speed: 70 times/min.
Approx. 13 min. (Automatic Sensor course)
Approx. 12 min. (Automatic course)
Approx. 15 min. (Manual course)
Approx. 670 x 1,000 x 1,050 mm (When footrest is stored)
Approx. 670 x 1,550 x 550 mm (When footrest is in horizontal position)
Approx. 670 x 1,700 x 550 mm (When footrest is fully opened)
Approx. 55 kg
HEC-DR21
PRODUCT CODE NO.
REFERENCE NO.
- 1 -
FILE No.
(TAIWAN)
1 - 383 206 51 ( K )
1 - 383 206 52 ( H )
SM6510406-00

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   Summary of Contents for Sanyo HECSR1000K - Stiffness Sensor - Multi Roller Massage Chair

  • Page 1

    FILE No. Massage chair HEC-DR21 SERVICE MANUAL (TAIWAN) PRODUCT CODE NO. MODEL HEC-DR21 Power source AC 110 V 60Hz 1 - 383 206 51 ( K ) Power consumption 165 W 1 - 383 206 52 ( H ) Rated time 30 minutes Personal sensor course Recovery / Relax...

  • Page 2: Remote Control

    Block Diagrams HEC-DR21 (TAIWAN) Back rest massage unit Remote control Foot rest massage unit Control unit Body contour detection (coil) Body contour detection Top end position detection of Top end position detection back massage section (microswitch) Massaging motor Rotation detection of massaging Back rest massage unit Massaging pulse detection motor (Hall IC IC-202)

  • Page 3

    Wiring Diagram HEC-DR21 (TAIWAN) - 3 -...

  • Page 4

    Circuit Diagram HEC-DR21 (TAIWAN) - 4 -...

  • Page 5

    Circuit Diagram HEC-DR21 (TAIWAN) - 5 -...

  • Page 6

    Operation of Stiffness HEC-DR21 (TAIWAN) Detecting Sensor To the remote controller sensor section, three kinds of sensors (skin electric resistance, photo sensor, thermistor) are assembled, and measure three kinds of physiological amounts (perspiration, pulse, skin temperature). When stiff portions are subject to massage stimulus of detection massage, changes are observed in the perspiration rate, number of pulses, and skin temperature.

  • Page 7

    Sensor-automated HEC-DR21 (TAIWAN) Massage Sensor-automated massage judges stiffness feeling by measuring changes of physiological amounts of perspiration, pulses, skin temperature during detection massage, displays the degree of stiffness feeling in three colors, and carries out massage suited for stiffness feeling. Method and action of sensor-automated massage 1.

  • Page 8

    Massage Motors HEC-DR21 (TAIWAN) 2, Massage motor 4, Leg massage motor roller 1, Tapping motor 3, Elevation motor Screw bar 1, Tapping motor This motor rotates to move the massage balls upward and downward alternately via the driving belt coupled to the motor. (The motor revolutions is adjustable in three steps so that the patting frequency can be changed over to approximately 360, 480 and 600 cycles/minute.) 2, Massage motor...

  • Page 9

    Problem Diagnosis Chart HEC-DR21 (TAIWAN) - 9 -...

  • Page 10

    Problem Diagnosis Chart HEC-DR21 (TAIWAN) - 10 -...

  • Page 11

    Problem Diagnosis Chart HEC-DR21 (TAIWAN) - 11 -...

  • Page 12

    Operation Check of HEC-DR21 (TAIWAN) Remote Controller and Sensor 1. With reclining "ERECT" and "RECLINE" on remote controller held depressed, turn ON power supply switch. 2. Red LEDs (41 places) go on for 1 second (Fig. 1). Red LEDs go on for 1 second (Fig. 1) Red's lighting-up Red's lighting-up Red's lighting-up...

  • Page 13

    Replacement Procedure HEC-DR21 (TAIWAN) (1) Replacement of PRINTED BOAD ASS'Y (MAIN) (2) Replacement of substrate (electrically-operated foot) 1, Remove one case set screw and detach CASE 1, Remove connections of three connectors connected (SWITCH BOX). to PRINTED BOAD ASS'Y (FOOTREST). Photo.3 Take care not to apply unnecessarily strong 2, Detach PRINTED BOAD ASS'Y (FOOTREST).

  • Page 14

    Replacement Procedure HEC-DR21 (TAIWAN) (6) How to detach COVER (BACK COVER) (5) Replacement of remote control section 1, Unscrew four COVER (BACK COVER) set screws 1, Disconnect connector CN11 connected to and remove COVER (BACK COVER). PRINTED BOAD ASS'Y (MAIN). Photo.7 2, Detach bushing of remote control cord and remove remote control section.

  • Page 15

    Replacement Procedure HEC-DR21 (TAIWAN) (8) Replacement of elevating motor section (9) Replacement of tapping motor section 1, Disconnect connectors of tapping motor. 1, Disconnect elevating motor lead wires (CN404). 2, Detach BELT (TATAKI). 2, Detach BELT (ROLLING). Photo.11 Photo.9 3, Unscrew 1 motor fixing screw. 3, Detach PULLEY (SM) from elevating motor shaft, Photo.11 4, Unscrew two STAY A (MOTOR T) set screws and...

  • Page 16

    Replacement Procedure HEC-DR21 (TAIWAN) (10) Replacement of massaging motor section (11) Replacement of gear box section 1, Disconnect connectors of massaging motor cord. 1, Detach massaging belt. Photo.15 2, Detach BELT (MOMI). 2, Unscrew two STAY (HARNESS) set screw and Photo.13 3, Unscrew one motor fixing screw.

  • Page 17

    Replacement Procedure HEC-DR21 (TAIWAN) (12) Replacement of PRINTED BOAD ASS'Y (RELAY)(PULSE) (14) How to remove backrest section 1, Disconnect three connectors connected to 1, Turn off power switch of main body with massage PRINTED BOAD ASS'Y (RELAY). unit moved to the position of Photo 19 by adjusting Photo.17 2, Unscrew two PRINTED BOAD ASS'Y (RELAY) set UP/DOWN by the use of remote control.

  • Page 18

    Replacement Procedure HEC-DR21 (TAIWAN) (16) Replacement of PRINTED BOAD ASS'Y (SAHPE) 3, Fix magnetic section with pliers, etc., unscrew 1, Disconnect three connectors connected to PULLEY (S) fixing nut on the back, and remove PRINTED BOAD ASS'Y (SHAPE). Photo.21 PULLEY (S) from SHAFT ASS'Y. Photo.23 2, Unscrew 2 substrate holder set screws and 4, Unscrew two elevating ball fixing holder set...

  • Page 19

    Replacement Procedure HEC-DR21 (TAIWAN) (20) Replacement of leg roller motor 1, Open fasteners of FOOT REST COVER A / B, 3, Unscrew seven foot case set screws and and remove FOOT REST COVER A / B. remove CASE (CENTER UPPER). Photo.27 4, Disconnect cords of MOTOR GEAR BOX ASS'Y.

  • Page 20

    Trans cover Photo.29 2. Unscrew fixing screws to remove the folder and pull out a connector. 3. Unscrew fixing screws to remove the transformer. Photo.30 Screws Transfomer Photo.30 SANYO Electric Co.,Ltd - 20 - Oct./2002 Printed in Japan Osaka, Japan...

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