4.40 PCB RR-120 MOTHERBOARD REF
5010-120
Voltage 12 V
DC
of halogen lamp
1. Before adjustment switch the Photometer
5010 V5+
off. Open the device. Open the photometer
regarding safety rules of chapter 1 of this service manual (chapter 5.1 Opening).
2. Switch the device on.
3. Use DVM for measuring 12 V
DC
.
4. Connect the negative lead of DVM to pin 2 of plug ST4.
5. Connect the positive lead of DVM to pin 1 of plug ST4.
6. Check the v12.0 V
DC
(tolerance
±
50 mV
DC
).
7. If necessary adjust the v12.0 V
DC
(tolerance
±
5 mV
DC
) with potentiometer P2.
Turning clockwise increases voltage.
Turning counter-clockwise decreases voltage.
Potentiometer P2
Fuses F1, F2, and F3
Name Protection
Specification
F1
VCC (+ 5 V
DC
)
T 3.15 A / 250 V
F2
+ 15 V
DC
/ + 12 V
DC
T 6.3 A / 250 V
F3
Power supply p 5 V
DC
T 6.3 A / 250 V
RIELE BERLIN
Photometer 5010 V5+
4.40.5
17.03.2009
