Enraf Nonius 1403773, Руководство по обслуживанию

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Enraf-Nonius B.V. Curapuls 670 Service Manual 1403773
Description June 1997 2-2
2.1.2 User interface module (user interface PC Board)
The user interface module enables communication between the application module and
all user controls and display (parameter selection keys and parameter control).
The user Interface module comprises the following circuits:
- Processor circuit ( P)
- Program memory
- LCD display
- LCD display back light inverter
- Indication LED
- Parameter selection keys
- Amplitude/parameter control
- Buzzer
Description of the user interface module:
All treatment parameter settings and user actions are checked by the P and program
memory. The selection switches at the front panel and information from the central
control knob are scanned by the
P. Also the user actions and the sequence of the
actions are checked before these are executed. The therapy settings are send to the
application module. The parameter settings and treatment time are displayed on the
LCD display .
2.1.3 Mains supply circuit
The mains power is fed into the Curapuls 670 via a mains entrance. Inside the mains
entrance two mains fuses are found. The mains power runs via a mains filter and a
mains switch to the primary side of the mains transformer. The mains power is
transformed into 12V, 18.5V, 18.5V, 24V and 160V and fed into the power supply
section of the main PC Board.
2.1.4 Circuplode(s)
To transmit the HF. power into a patient Circuplodes are used. Available Circuplodes
are Circuplode diam. 90mm, Circuplode diam. 140mm and the Circuplode-E (ellipse
shaped).