Change Of Ic4501; Schematic Diagrams - Sony DCR-TRV360 Service Manual

DCR-TRV360/TRV361/TRV460/TRV460E/TRV461E
1-5.

CHANGE OF IC4501

Due to the change of IC4501 (mechanism control), there are two
types of versions A and B.
The EEPROM data are different according to respective versions.
Also, the IC4501 version can be checked by a discrimination method
by the model name or by the adjusting remote commander.
Note 1: Changing the version does not make any changes in
schematic diagrams and the rest.
Note 2: Make it sure to confirm the version after replacing IC4501.
1. Discrimination method by the model name of
IC4501 (mechanism control)
VC-345 BOARD (SIDE B)
IC4501
156 : A
164 : B
2. Discrimination method by adjusting remote
commander
Version check method:
1) Select page: 3, and address: FF.
2) The version of IC4501 can be checked from the displayed data.
Data Version
11 A
12 B
Data change method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 1C, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each
time to set the data.
3) Select page: 0, address: 01, and set data: 00.
Version
Address
D0
1-6E
A B
00 42