Service Manual
Installation Instructions
Siemens Ltd. Med Division India Version 4.0
Page 9 of 12
On D936 keyboard PCB,
1. Press DL-SERV switch once, the display will indicate the present Voltage on the
Capacitor bank.
2. Press once again DL-SERV switch, the display will indicate Pr.1
3. Press again the DL-SERV switch the CS contactor will hold and the
Capacitors will start charging in described steps as follows:
0V – 50 – 100 – 150 – 225 – 300 – 342 V .
Each step will take about 6 minutes, so total procedure of Capacitor bank
Forming will take 36 minutes.
4. Now switch OFF the unit and remove the ST link (jumper pin) on D915 PCB.
2.2 Collimator :
Switch the unit ON
Switch ON the collimator lamp. The collimator lamp will glow for 30 sec ± 5 sec.
Open collimator flaps to the maximum. The light will show square, sharp edges and
clear cross wires.
Close the flaps fully. The light field will show a small square.
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