Sony HCD-FR1 Service Manual page 136

HCD-FR1/FR8/FR9
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The part numbers of the TACTILE SWITCH on the CONTROL KEY board, DISC KEY board and PW KEY board are depended on a suffix
of each board. Please select a TACTILE SWITCH after it refers at the time of a TACTILE SWITCH replacement.
This section describe the response table of a suffix on each board and TACTILE SWITCH.
So,it describe the method for differentiating a suffix of each board.
• RESPONSE TABLE
a suffix of a board
(on CONTROL KEY board, DISC
KEY board, PW KEY board)
-11,-12
-13,-14
CONTROL KEY board, DISC KEY board and PW KEY board changed
Part number of printed wiring board changed to suffix-12,-13,-14 from suffix-11 in order.
• How to distinguish
Location of part number on changed printed wiring board.
1-861-985-
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SERVICING NOTE
Part No. for
TACTILE SWITCH
1-771-884-31
1-786-763-11
1-851-984-
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