RELM Wireless Service Bulletins

 

 

 

Service Bulletins

Discontinued Product Bulletins

BK Radio Bulletins  |   RELM/BK Bulletins   |  Firmware Page

Bulletin#

Date Model Issue File Size

TSB-249

11-14-2002

SMH250 

Parts Correction in Service Manual

43K

TSB-248

04-11-2002

SMH1525 -

SMU 4525 

Dwell Time Disables Monitor Function

45K

TSB-000

09-29-2000

Software

Programming Software Versions

7K

TSB-002

06-14-2001

MITSUBISHI

POWER MODULE  

BMOY013800

43K

TSB-247

06-14-2001

SMU250KTST 

Alternator Whine/ PTT Popping

57K

TSB-246

04-11-2002

SMU250KTST 

Trident Controlled Trunking Systems

43K

TSB-245

01-17-2001

APX140PS & APX141PS 

Uniden AC Adapters

43K

TSB-244

01-12-2001

SMU250KTST

 DTMF and Function Tones

44K

TSB-243

01-05-2000

IMH4100DT

Receiver Front End Overload

36K

TSB-242

11-15-1999

AMX105A

Microphone Hang-up Button

24K

TSB-241

04-08-1999

SMS301TSD, SMS316TSD, SMS318ED

Microphone Gain

25K

TSB-240

03-31-1999

SPH516D, SPU416K

Replacement Parts

26K

TSB-239

03-19-1999

SPH155DT, SPU454KT, SPS801TS, SPS802TS, SPS801TSE, SPS802TSE

Improved Battery Contacts

74K

TSB-238

03-11-1999

SPS801TS, SPS802TS, SPS801TSE, SPS802TSE

SUB PCB ASSEMBLY

122K

TSB-237A

03-13-2000

AT280, AT325, AT281, AT326

Antenna Center Pin Breakage

27K

TSB-237

03-05-1998

AT 280,  AT 281

Antenna Center Pin Breakage

25K

TSB-236

08-22-1998

BDEY2923001

PART SUBSTITUTION FOR BDEY1268001

26K

TSB-235

11-20-1996

SPH155, SPU454, SPS801/802

PARTS REPLACEMENTS

41K

TSB-234

02-26-1996

MRS804ZX Repeaters - ARX800B Logic Board

Software version Mis-shipment

26K

TSB-233A

12-30-1997

IMH4100DT / IMU3100KT

Receiver Front-End RF Overloading

62K

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