Dip Switch And Rotary Switch Test; Crosspoint Test B - Sony BVS-A3232 Maintenance Manual

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)
S5
S6
ND1
S7
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→···
:
Input CH 1 2
1
2
3
4
#=
The number of the selected (connected) output channel currently is displayed on ND1 (01 through FF). This checks the
signal transmission circuit.
BVS-A3232
3 4 5 6 7
#[
#]
#\
#;
^]
S7 Setting: 9
(Press S2 after changing the setting.)
8
0
S7
Output CH
1
S7 Setting: B
2
3
4
32
3-4. Test Mode
(Press S2 after changing the setting.)
8
0
S7
3-5(E)