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B&K
700-707
th
CALIBRATION GUIDE – May 17
2021
WWW.GARAGE1217.COM
WARNING:
Calibration requires knowledge of AC electrical systems, repair of said systems and restoration of said systems. If proper
safety measures are not taken, severe injury or death may result. Only a qualified electronics technician should upgrade
and calibrate their tube tester. Please – BE SAFE!
GARAGE1217.COM IS NOT RESPONSIBLE OR LIABLE FOR INJURY, PROPERTY LOSS OR DAMAGE AS THE RESULT OF ASSEMBLY OR USE OF THIS PAR TS KIT OR CALIBRATION SET
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Summary of Contents for B&K 700
- Page 1 B&K 700-707 CALIBRATION GUIDE – May 17 2021 WWW.GARAGE1217.COM WARNING: Calibration requires knowledge of AC electrical systems, repair of said systems and restoration of said systems. If proper safety measures are not taken, severe injury or death may result. Only a qualified electronics technician should upgrade and calibrate their tube tester.
- Page 2 700-707 Thank you for purchasing the our resistor calibration set. This set requires AC electronics and soldering knowledge. Please make sure to follow the instructions outlined in this guide to properly calibrate your B&K 700 or 707 tube tester. We HIGHLY recommend you restore and clean your tester electrically prior to calibration. Replacing resistors as needed and replace all capacitors period –...
- Page 3 B&K Calibration 700-707 Locations of pots / trimmers to be adjusted. Several are accessed from the front panel of the tester through the center of certain tube sockets. If a socket number is indicated, access from the front panel. The size of certain potentiometers such as R20 changed over the years. Do not panic if photos do not match exactly.
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Page 4: Calibration Steps
B&K Calibration 700-707 Recommended or Required to have available: - Magnifying glass (recommended but not required) - Thick Rubber Gloves can help prevent electrocution (recommended but not required) - Digital Multi Meter (DMM or DVOM) - #2 Phillips screwdriver (insulated) - Full set of calibration resistors &... - Page 5 B&K SS #83 CONVERSION 700-707 Recommended Parts for the #83 SS conversion: - 2qty Diodes P/N: 1N4007 - 2qty Vishay CPF series 10R resistors P/N: CPF310R000FEE14 - 1qty 200mA fast blow fuse P/N: BK/GMA-200-R - 1qty 5x20mm PCB fuse holder P/N: 64600001003...