Sony HDS-7150 Installation Manual page 54

BKDS-7017
4-7. Description of Switches and LEDs on Boards
S4 (L-11) : MAIN CPU switch
This switch is used to select the operation of MAIN CPU. After changing the selection, press S1 of the
RESET switch on the CPU-246 board or turn off/on the power again.
Factory setting : All OFF
n
indicates the knob position.
. Selection 1 under normal status
When starting up the system, the diagnosis program does not run. Just after turning on the power, the
system starts up.
. Selection 2 under normal status
When starting up the system, diagnosis program runs. After turning on the power, it is necessary for
about ten seconds until the system starts up.
S5 (N-1) : SUB CPU switch
This switch is used to select the operation mode of SUB CPU.
Factory setting : All OFF
n
indicates the knob position.
(1) Selection under normal status
Set this switch as follows for normal operation.
4-8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
HDS-7150/7100