A very interesting repair of an Agilent/Keysight U1273AX OLED display multimeter. It had two distinct unrelated faults.

Available for auction from 99cents: https://www.ebay.com.au/itm/225767769508
Ian Scott Johnston on The Amp Hour: https://theamphour.com/643-calibratio...
Thin film ceramic hybrid resistor networks:    • EEVblog #730 - Thin Film Resistor Net...  

Forum: https://www.eevblog.com/forum/blog/ee...

00:00 - Faulty Agilent / Keysight U1273AX OLED display multimeter
01:36 - Battery leakage, OF COURSE!
04:26 - Bottom of PCB
05:47 - The OLED display
10:09 - Annoying voltage measurements
15:14 - At great expense to management, a new OLED
18:18 - Winner Winner Premature Dinner
20:19 - The Repair is over, right? RIGHT?
21:22 - Accuracy fault. Repair time again.
25:23 - Hybrid Thin Film Resistor Dividers
26:56 - Parallel contamination
29:44 - When in doubt, suck it off

If you find my videos useful you may consider supporting the EEVblog on Patreon:   / eevblog  
Or with crypto:
BTC: 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM
ETH: 0x68114e40ff4dcdd384750500501e20acf3875f8c
BCH: 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4
USDC: 0x68114e40ff4dcdd384750500501e20acf3875f8c
LTC: MJfK57ujxy55su4XicVGQc9wcEJf6mAoXF
Web Site: http://www.eevblog.com

Other channels:
EEVblog2:    / eevblog2  
EEVdiscover:    / eevdiscover  

T-Shirts: http://teespring.com/stores/eevblog
#ElectronicsCreators #Repair #Multimeter