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ADMINISTRATIVE INFORMATION 

[[]] Calibration Required 
  X   Calibration NOT Required   

PRODUCT LINE: GM 
AUTHOR: WY 

ADDITIONAL INFORMATION: 
 

 
 

 © Keysight Technologies 2015-2019 

                              Information Only Service Note 

    Version 1.2 | October 10, 2019| Page 1 of 7 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Information Only 

Service Note 

U1273AX-06 

U1273AX Handheld Digital Multimeter, 4½ Digit, IP54, OLED Display, -40

°

 
Serial Numbers:  ALL  
 
The Problem 

 Instructions to replace the OLED (Organic LED) display board for U1273AX.  

 
 
Parts Required:  
P/N 

                 Description 

                       Qty. 

 

 

 

U1273-66501     Display Board, U1273AX     1 

Supersedes: 

NONE

 

Summary of Contents for u1273ax

Page 1: ...rmation Only Service Note Version 1 2 October 10 2019 Page 1 of 7 Information Only Service Note U1273AX 06 U1273AX Handheld Digital Multimeter 4 Digit IP54 OLED Display 40 C Serial Numbers ALL The Problem Instructions to replace the OLED Organic LED display board for U1273AX Parts Required P N Description Qty U1273 66501 Display Board U1273AX 1 Supersedes NONE ...

Page 2: ...disabled previously you may connect your HHDMM to a PC by using an IR USB cable U1173B to check whether the unit can be detected by the Keysight Handheld Meter Logger software If the PC can detect the HHDMM replacing the OLED display board will bring back the bright display Follow the instructions below to replace the OLED display board Solution Action 1 Turn the knob of the rotary switch to OFF a...

Page 3: ...ologies 2015 2019 Information Only Service Note Version 1 2 October 10 2019 Page 3 of 7 3 Loosen the 2 screws as shown below to remove the battery casing 4 Loosen the 4 screws as shown below to remove the bottom cover ...

Page 4: ...rmation Only Service Note Version 1 2 October 10 2019 Page 4 of 7 5 Remove the bottom cover carefully and unplug the buzzer wire 6 To remove the PCA from the top cover use a flat head screwdriver and carefully remove the PCA from the latch ...

Page 5: ... 2015 2019 Information Only Service Note Version 1 2 October 10 2019 Page 5 of 7 7 Replace OLED display board by unscrewing the 4 screws 8 Carefully assemble the PCA back to the top casing Remember to plug in the buzzer wire ...

Page 6: ...mation Only Service Note Version 1 2 October 10 2019 Page 6 of 7 9 Install the back cover and the 4 screws to lock the compartment Then install batteries 10 Install the battery cover and the two screws to lock the battery cover compartment ...

Page 7: ...rvice Note Version 1 2 October 10 2019 Page 7 of 7 After the OLED display board replacement switch on your DMM and you will notice a bright display Revision History Date Service Note Revision Author Reason for Change 10 October 19 01 WanYee As Published ...

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