Contents
Intro
This is AC/DC thermal transfer box just like Fluke 792A, but automatic and with wider frequency range.
Image 1: Ballantine 1605B front panel
Disclaimer
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Manuals and documentation
Ballantine 1605B Operators Manual
Image 1: Ballantine 1605B
Teardown and preventive repairs
Before we start, unit was checked to be operating correctly.
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Digital controller
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
A2 board
Image 1: Ballantine 1605B
A3 board
Image 1: Ballantine 1605B
A4 board
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
A5 board
Image 1: Ballantine 1605B
A6 board
Image 1: Ballantine 1605B
A7 board
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
A8 board
Image 1: Ballantine 1605B
A9 board
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Thermal AC/DC transfer unit and low-voltage front end
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
A16 High-voltage attenuator assembly
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Damaged N input connectors replacement
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Image 1: Ballantine 1605B
Test results and benchmarks
TBD..
Summary
To be continued.
Modified: June 10, 2020, 3:55 p.m.