TOA Electronics TOAEXES-5OOO manuals

Communications > Intercom System

When we buy new device such as TOA Electronics TOAEXES-5OOO we often through away most of the documentation but the warranty. Very often issues with TOA Electronics TOAEXES-5OOO begin only after the warranty period ends and you may want to find how to repair it or just do some service work. Even oftener it is hard to remember what does each function in Intercom System TOA Electronics TOAEXES-5OOO is responsible for and what options to choose for expected result. Fortunately you can find all manuals for Intercom System on our side using links below.

TOA Electronics TOAEXES-5OOO Manual

14 pages112.42 Kb

2,
- CPU off ?
- 3-61-
  - on HCU li t as Fig. 1
  - CPU-
  - P54 P56
- Before power supply check, confirm the following three
- points to eliminate elementary faults:
  - charged.
1. Is voltage selector set correctly?
- 2. Is AC power supplied? 3. Is power switch O N ?
Start checking after disconnecting all wiring connected
4to DC output of the power supply unit.
- Faulty power transformer.
- operate.
- 51. Turn off the privacy switch on all stations in the
- 61-1
  - 1-2 1-3 1-4
    - 1-5
      - 8-3. FAULT IN SPECIFIC STATION ONLY
  - Find the cause according to the following table if the fault
    - party.
  - 8lies with a specific station only, not with all stations.
    - be made at privacy
    - Specific Lamp
    - normal.
    - make sure that
    - is not faulty.
      - Calling tone can
    - not be heard.
      - Sound from the
      - Becomes normal
    - if the station is replaced.
      - mitted to the other
    - is replaced.
    - if the station
    - the station is replaced.
      - Becomes normal
      - matrix circuitry.
    - (Check LM-380, MT-547.)
      - Disconnection of R-Line or im-
        proper connection of the station
    - connector.
    - MIC AMP. (Faulty bypass capaci- tor)
      - is replaced.
      - the station
      - if the station
      - case.
      - 9Fault in photo coupler PC-504
  - the speech test for each station can then take place.
  - 10The sound volume can be adjusted by the volume on the
  - The Press-To-Talk bar on the station keyboard must be
    - in high noise areas (more than 60dB noise).
    - tone quality, etc.) must be tested with each line in
  - 11Secretary Transfer: Is transfer made correctly
    - sure that the switch works.

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