View Single Post
Old 7th Jun 2019, 6:53 pm   #80
OldTechFan96
Octode
 
OldTechFan96's Avatar
 
Join Date: Jul 2017
Location: Newcastle Upon Tyne, Tyne & Wear, UK.
Posts: 1,177
Default Re: Hameg HM307-3 Cleaning and Repair

The voltages measured on T352 (BF440 PNP) are all -870V. It tests good using the diode check on my DMM. With the component tester I get curious results. In my experience, if the tester shows anything but a transistor the transistor under test is bad. T352 could be the cause of the low brightness.

I'll have to look for a substitute.

See attached photograph.
Attached Thumbnails
Click image for larger version

Name:	IMG_2118.jpg
Views:	74
Size:	30.2 KB
ID:	184619  
OldTechFan96 is online now