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HOW TO REPLACE THE MAIN PCB UNIT ASSY
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Service Part for the MAIN PCB UNIT ASSY
MAIN PCB: (Part No. :919639100330D)
1.1. Devices Used
(1) PC
(2) USB - 232C (TTL) conversion jig (Model: DUT-06635 by GeeeTech) (Do not supply)
(3) 4P RE-PH CONN CORD (1000mm) (Part No. : 61205000300AS)
(4) Write software (5.12.71(8550+KES470)_1Dscan.zip)
1.2. Replacement Overview
(1) Replace the MAIN PCB UNIT ASSY. (Disconnected J2 45P FFC)
(2) Writing Mecha's data to the replacement MAIN PCB UNIT.
(3) Turn off the unit, then connect 45P FFC of J2.
(4) To confirm the operation.
1.3. Before replacing
[Preparation]
(1) The unit of before replacement.
(2) Replacement MAIN PCB UNIT ASSY
(3) PC with write software (5.12.71(8550+KES470)_1Dscan.zip) installed
(4) USB - 232C (TTL) conversion jig
1.4. Replace the MAIN PCB UNIT ASSY
(1) Replacement MAIN PCB UNIT ASSY. (Refer to "DISASSEMBLY 3. MAIN PCB UNIT ASSY ")
(45P FFC J2 does not connect at this time.)
(2) Remove the MECHA COVER.
(3) Fixed to the MECHA UNIT to prevent short circuit. (J2 45P FFC)
1.5. Connection and Writing optical pick-up data
(1) Refer to "HOW TO REPLACE THE MAIN PCB & BD MECHA OR BD MECHA,
[Connection] and [Writing new optical pick-up data ]"(P.18) , then writing new optical
pick-up data to MAIN PCB UNIT.
J2 45P FFC
J2 45P FFC BASE