DCR-TRV255E, DCR-TRV260, DCR-TRV265, DCR-TRV265E (serv.man3) - Sony Movie Service Manual (repair manual). Page 9

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DCR-TRV255E/TRV260/TRV265/TRV265E
6-7
IC4501
VC-344 BOARD (SIDE A)
154 : A
155 : B
1-2.
INITIALIZATION  OF  8,  A,  C,  D,  E,  F,  1C,  1F
PAGE  DATA
Note:
If reading/writing data on pages 1C, 1F, set data: 01 to
page: 0, address: 10, and then select pages C, F. By this
data setting, the pages 1C, 1F can be selected.
After the data reading/writing finished, return the data on
page: 0, address: 10 to “00”.
1-2-1.
Version Check
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 sche-
matic 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)
Fig. 6-1-6
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
01
A
02
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
A
B
Address
D0
40
42
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