![background image](http://html1.mh-extra.com/html/omega/871a/871a_user-manual_737648014.webp)
Figure 4-4. Removing the Cover
Figure 4-5. Disassembled Model 871A and Model 872A
4.5 TROUBLESHOOTING
GUIDE
The troubleshooting information is intended to be used by qualified elec-
tronic maintenance personnel who are familiar with the proper use of stan-
dard electronic test equipment.
To gain access to the PC board, refer to the first three paragraphs of the
disassembly instructions. Utilize the Parts List, Schematic and Component
Layout for identifying parts and checkpoint locations. The following checks
should be made with the Models 871A and 872A set to the 200ºC Range.
11
Содержание 871A
Страница 21: ...SCHEMATIC MODEL 871A DIGITAL THERMOMETER 18 ...
Страница 22: ...SCHEMATIC MODEL 872A DIGITAL THERMOMETER 19 ...