Sony BKDS-PA3291, Руководство по обслуживанию

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3-5(E)
BVS-A3232
3-4. Test Mode
8
0
4
C
S7
8
0
4
C
S7
3-4-2. DIP Switch and Rotary Switch Test
This test checks the switch circuit of the following switches on the CPU-94 board.
Set S7 to 9 and press S2 to start the test.
The switch setting is displayed in the order of S5
→
S6
→
S7 on ND1.
S5 (STATION ADR)
S6 (UNIT ADR)
S7 (TEST)
S7 Setting: 9
(Press S2 after changing the setting.)
CPU-94 board (A side/component side)
3-4-3. Crosspoint Test B
This test checks all circuits on the MX-82 board.
Set S7 to B and press S2 to start the test.
The crosspoint of the matrix circuit is changed in the following order:
On input CH1: Output CH1
→
Output CH2
→
Output CH3
→
···
→
Output CH32
On input CH2: Output CH1
→
Output CH2
→
Output CH3
→
···
:
S7 Setting: B
(Press S2 after changing the setting.)
The number of the selected (connected) output channel currently is displayed on ND1 (01 through FF). This checks the
signal transmission circuit.
1
2
3
4
32
Output CH
Input CH 1 2 3 4 5 6 7
#[
#]
#\
#;
^]
1
2
3
4
#=
S5
S6
ND1
S7