Iv. "B" Series Tracking Adjustment; Instrument Repair Service - BK Precision 1760A Manual De Instruccion

7. Set the "B" Coarse VOLTAGE control for a reading of
approximately 05.0 volts on the "B" LED Display .
8. Set the Left V/A switch to the A position.
9. Connect the external multimeter across the "B" SUPPLY
output terminals to read the output current (so that the meter
causes a short circuit across the terminals) and adjust the "B"
CURRENT control so that 2.00 amps is read on the "B" LED
Display.
10. Adjust R164 ("B" SUPPLY A METER ADJ) so that the
multimeter also reads 2.00 amps.

IV. "B" SERIES TRACKING ADJUSTMENT

4. Set the supply to the TRACKing SERies mode by engaging
the INDEP/TRACK switch and releasing the SER/PAR
switch.
5. Set the "B" VOLTAGE controls (both Coarse and Fine) to
maximum (fully clockwise).
6. Set the "A" VOLTAGE controls (both Coarse and Fine) to
maximum (fully clockwise).
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1. Connect the multimeter to the "A" SUPPLY outputs
and measure the voltage.
2. Disconnect the multimeter from the "A" SUPPLY
outputs and connect it to the "B" SUPPLY outputs.
3. Adjust R119 (SERIES TRACKING ADJ) (located on
the MAIN board) until the voltage read from the
multimeter is the same as it was across the "A"
SUPPLY output terminals. Return the multimeter to
the "A" SUPPLY output terminals and verify that the
output voltage is identical. If not, repeat this step.

INSTRUMENT REPAIR SERVICE

Because of the specialized skills and test equipment
required for instrument repair and calibration, many
customers prefer to rely upon B+K Precision for this
service. We maintain a network of B+K Precision
authorized service agencies for this purpose. To use this
service, even if the instrument is no longer under warranty,
follow the instructions given in the
SERVICE INSTRUCTION section of this manual. There
is a nominal charge for instruments out of warranty.
45
MAINTENANCE
WARRANTY