Panasonic NV-FJ623EC, Service Manual

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1. INTRODUCTION
This service manual contains technical information which will allow service personnel to
understand and service this model.
If the circuit is changed or modified, this information will be followed by supplementary service
manual to be filed with original service manual.
Note:
Adjustment procedures, Disassembly Procedures and Assembly Procedures for Mechanism
Chassis are separate volume from this service manual.
Please refer to the service manual for Z-Mechanism Chassis. (Order No. VRD9802005C2)
2. GENERAL DESCRIPTIONS
2.1. SERVICE CAUTION
2.1.1. REPLACING IC7702/EEPROM
When the EEPROM: IC7702 is replaced, applicable model code, option code and electrical
adjustment data will not be available.
Therefore, enter and/or adjust the necessary data after replacing IC7702 by referring following
procedure.
STEP1.REPLACE THE IC7702
1. Remove the C.B.A. with Mechanism unit by referring the
Disassembly procedure.
2. Disconnect the AC plug and replace the IC7702.
STEP2.INPUT THE MODEL & OPTION CODE
1. Set up the applicable model code and option code by ordering the
following table.
2