Sanyo HECSR1000K Service Manual - 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). force more than required to pull the case Photo.3 because connector is connected. Photo.1 PRINTED BOAD ASS'Y(MAIN) SCREW CASE(SWITCH BOX) PRINTED BOAD ASS'Y(FOOTREST) CASE COMP.(PRINTED BOAD) SCREW Photo.1 2, Remove all the cord treatments. 3, Pull out all the connectors connected to PRINTED BOAD ASS'Y (MAIN) and detach PRINTED BOAD ASS'Y (MAIN). Photo.2 4, Unscrew 2 TRANS FORMER ASS'Y set screws and remove TRANS FORMER ASS'Y. Photo.2 5, Unscrew 2 pieces each of REACTOR (3 pieces) set screws and remove REACTOR. Photo.2 Photo.3 (3) Replacement of power switch section 1, Disconnect connector CN1 connected to PRINTED BOAD ASS'Y (MAIN). Photo.2 2, Unscrew two CASE (SWITCH BOX) set screws and detach power supply switch section. Photo.1 3, Open fuse case of current fuses and take out current fuses. Photo.4 4, Unscrew two switch holder set screws and detach switch holder. Photo.4 5, Unscrew one POWER SWITCH fixing screw and detach POWER SWITCH. Photo.4 PRINTED BOAD ASS'Y(MAIN) SCREW REACTOR FUSE POWER SWITCH SCREW TORANS FORMER ASS'Y POWER CORD Photo.2 CASE(SWITCH BOX) SCREW Photo.4 (4) Replacement of POWER CORD 1, Disconnect POWER CORD and remove CORD BUSHING of POWER CORD. Photo.4 - 13 -