Board Replacement; Setting Of Dip Switches - Sony DNW-A22 Maintenance Manual

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6-5. SS-63 Board Replacement
For the board replacement, refer to "6-1-3. Pulling out/
Insertion of Plug-in Board".
However, the following service operations are required in
before and after the SS-63 board replacement.
n
The SS-63 board of the board numbers 1-661-127-11 and
1-661-127-12 cannot be used to DNW-A22/A22P.
Be sure to confirm the suffix of board number. The board
number is indicated on the left margin (A-6) of side A.
Before replacement
. Check the setting of setup menu (Main menu and
Extended menu of 525/60 and 625/50 systems)
Record the setting of setup menu to a copy of the setting
check sheet in Appendix A, if possible.
. Setting of the DIP switches
Set the DIP switches (S101, S1100, S1102, and S1900)
according to the model.
Refer to Section 6-5-1 for detail.
After replacement
. Setting of setup menu (Main menu and Extended menu
of 525/60 and 625/50 systems)
Reset the setup menu as recorded setting on the setting
check sheet (copy).
. Error logging data clear and Calendar/Clock setting
There is a possibility that the SS-63 board to be installed
has the another error logging data in its NV-RAM.
Therefore, clear the error logging data.
And, the calendar/clock are required to indicate of the
day and time at error occurrence. There is a possibility
that the date and time are wrong. Set the calendar/clock
to the correct day and time.
Refer to Section 6-5-2 for detail.
n
The NV-RAM on the SS-63 board has the calendar and
clock data.
DNW-A22/A22P

6-5-1. Setting of DIP Switches

m
. The "
" mark shows the knob position.
. For detailed description of each DIP switch, refer to
Section 1-10-5.
(1) Setting the DIP switch S1102 (F-2) as follows:
n
Setting is different according to the model.
Model
Setting
DNW-A22
ON
OFF
DNW-A22P
ON
OFF
(2) Confirm that the DIP switches S101(A-1), S1100(J-1),
and S1900(P-1) are following settings.
Ref. No.
Setting
S101
ON
OFF
S1100
ON
OFF
S1900
ON
OFF
m
. After completing the setting of setup menu, be sure to set
the switch No. 1 of S1100 to identical setting as the SS-
63 board that is removed.
. Be sure to set the switch No. 2 of S1100 to identical
setting as the SS-63 board that is removed.
6-5. SS-63 Board Replacement
Remakes
This setting is the
factory setting.
See below notes.
All OFF
6-75

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