Bkdm-7070 - Sony BKDM-3020 Maintenance Manual

1-8-5. BKDM-7070

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The addresses on the board are shown by ( ) marks.
SKP-1 board
2
1
D1
D2~D9
A B C D E
S2
S1
F G H J K L M
A side ( Component side )
1-8. Switch Settings on Boards and LEDs Description
[Switch]
S1(J-1) : Reset switch
Resets the CPU and the all registers on the SKP-1 board.
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Do not press this switch in normal times.
S2(J-1) : System debugging switch
When this switch is pressed, the board enters the system
debugging mode.
And the LEDs (D2 through D9) display the program
version number.
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Do not press this switch in normal times.
To exit the system debugging mode, press the reset switch
S2 (J-1) on CPU-196 board.
1-23 (E)