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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:
1. 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. The Model No. is indicated on the Schematic Diagram and Circuit
Board Diagrams as follows.
NV-HS825EG
NV-HS825B
NV-HS825EC
2. GENERAL DESCRIPTIONS
2.1. SERVICE CAUTION
2.1.1. REPLACING IC6002/EEPROM
When the EEPROM: IC6002 is replaced, applicable model code, option code, tuning channel
data and electrical adjustment data will not be available.
Therefore, enter and/or adjust the necessary data after replacing IC6002 by referring following
procedure.
STEP1.REPLACE THE IC6002
1. Take a note that stored TV broadcast channels.
2. Remove the C.B.A. with Mechanism unit by referring the
Disassembly procedure.
3. Disconnect the AC plug and replace the IC6002.
Model No.
2
Indication Mark
(EG)
(B)
(EC)
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