Labels:book | reckoner | sky OCR: KENWOOD ASB- 1042 Service Bulletin Amateur Radio Division Subject: TM-642/742/942A Microprocessor Change Date: March 28 1994 This bulletin supercedes ASB 1033 Symptom Reports of problems with microprocessor lock-up when using S-meter squelch problems with storage/recall of PL tone frequencies 203 5 Hz and/or 114.8 Hz. Of problems with lack transmit on the UHF band during Remote operation can be corrected using the changes noted in this bulletin Notes AIl TM-642A transceivers work fine and op require any changes TM-742/942's that exhibit any of these symptoms with serial numbers between 412XXXX and 509XXXX need only change IC uo X53-3460-21 B/2 TM-742/942's that exhibit any of these symptoms with serial of412XXXX and below must also change 101 on X54 -3130- TM-742's with serial numbers of X ...
.iso/mods/kenwood/servbull/asb1042.jpg){kind=small}
.iso/mods/kenwood/servbull/asb1041.jpg){kind=link}
.iso/mods/kenwood/servbull/asb1043.jpg){kind=link}