Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD D-KR4S hfe_toshiba_d-r4s_kr4s_service_partial_en

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hfe_toshiba_d-r4s_kr4s_service_partial_en


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                                    FILE NO. 810-200531




SERVICE MANUAL


            DIGITAL VIDEO




    DVD VIDEO RECORDER
                D-R4SU
                D-R4SC
               D-KR4SU




                                                  Mar., 2005 5
                            DOCUMENT CREATED IN JAPAN, Jul., 2005
LASER BEAM CAUTION LABEL




When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser
may be received.




PREPARATION OF SERVICING
Pickup Head consists of a laser diode that is very susceptible to external static electricity.
Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement,
its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to
protect the laser diode from damage by static electricity.
And also, the LSI and IC are same as above.

                                                                    Ground conductive

                                                                    wrist strap for body.




                           Soldering iron

                           with ground wire

                           or ceramic type




                                                                                               1M   9
                                              Conductive mat
                                                                              The ground resistance

                                                                              between the ground line

                                                                              and the ground is less than 10         9   .







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