Text preview for : hfe_toshiba_d-r4s_kr4s_service_partial_en.pdf part of TOSHIBA hfe toshiba d-r4s kr4s service partial en TOSHIBA DVD D-KR4S hfe_toshiba_d-r4s_kr4s_service_partial_en.pdf
Back to : hfe_toshiba_d-r4s_kr4s_se | Home FILE NO. 810-200531SERVICE MANUAL DIGITAL VIDEO DVD VIDEO RECORDER D-R4SU D-R4SC D-KR4SU Mar., 2005 5 DOCUMENT CREATED IN JAPAN, Jul., 2005LASER BEAM CAUTION LABELWhen the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a lasermay be received.PREPARATION OF SERVICINGPickup 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. toprotect 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 .