Kenwood Service Bulletins

AT-50       AT-50 BLOWS ACCESSORY FUSE IN TS-50
AT-50       BLOWS ACCY FUSE IN TS-50     more
AT-50       MECHANICAL STABILITY OF CASE

AT-930      SERVICE NOTES    MORE

BS-5        SM-220/BS-5 SWEEP INTERFERENCE

BS-8        ALIGNMENT WITH TS-180S/SM220     MORE


DG-1       SERVICE NOTE / BAD SOLDER JOINTS
DG-1       SERVICE NOTES (PC BOARD SOLDER)    MORE

DG-5       REPAIR OF RCA PLUGS/JACKS
DG-5       REPAIR NOTES     MORE
DG-5       THEORY OF OPERATION    MORE
DG-5       SERVICE NOTES (PC BOARD SOLDER)   MORE
DG-5       USE WITH TS-511/TS-900/T/R-599    MORE    MORE

DK-520    USE WITH TS-511/TS-900/T/R-599  MORE    MORE

DRU-2     ERRATIC PLAYBACK/MEMORY LOSS   MORE

DS-2       REPLACEMENT FOR DS-1A IN TS820/TS520

DSP-100    6 PIN CABLE CHANGE

HMC-1      NOT TO BE USED WITH TH-205AT/TH-215A

MC-44DM    INTERMITTENT AUDIO
MC-44DM    INCREASE IN AUDIO LEVEL

MC-45       MODIFICATION FOR USE WITH TR-7400A    MORE

MC-46      DTMF OPERATION WITH OLDER EQUIPMENT

MC-48      MIC ELEMENT CHANGE /INSTALLATION

MC-55       CHANGE IN MIC ELEMENT (T91-0328-08)

QR-666     VFO STABILITY IN SWL RECEIVER

PB-2/PB-12 BATTERY CURRENT LIMITING RESISTOR FAILURE

PS-430     VOLTAGE INCREASE WITH TH-205/215     MORE

PS-50       AVR FAILURE /IMPROVED SURGE PROTECTION

R-599A/D   SERVICE NOTES
R-599A/D   REMOVING CB BAND

R-1000     AGC, AM BANDWIDTH CHANGES     MORE  
R-1000      RF ATTENUATOR 10 DB STEP OPTION
R-1000     MUTING OPERATION - OPS MANUAL UPDATE

R-5000     NO FREQUENCY CHANGE THROUGH COMPUTER

RC-10      HANG UP TIME/TIMEOUT TIMER SETTINGS/XBAND RPT    MORE
RC-10      ALTERNATOR NOISE IN MIC CIRCUIT

RM-76      FREQUENCY ERROR WITH TR-7600/7625
RM-76      BATTERY BACK-UP POWER
RM-76      MICROPROCESSOR FAILURE

SM-220     ALIGNMENT WITH TS-180S/SM220  MORE
SM-220     SM-220/BS-5 SWEEP INTERFERENCE
SM-220     SHIELD INSTALLATION/SWEEP INTERFERENCE
SM-220     FEEDBACK FROM BS-8

SM-230     BANDSCOPE ATTENUATION MOD     MORE
SM-230     RTTY CROSS PATTERN MODIFICATION

SMC-25     MODIFICATION FOR USE WITH THE TR-2400    MORE

SMC-34     DISTORTED/MUFFLED AUDIO      MORE

T-599A/D    SERVICE NOTES
T-599D     REDUCING 120HZ HUM

TH-22AT    MEMORY LOSS WHEN BATTERY RUNS DOWN

TH-25A      TSU-6 ERRATIC TONE ALERT FUNCTION
TH-25A      DISABLE AUTOMATIC POWER OFF FUNCTION   MORE

TH-25AT    KEYPAD OVERLAY REPLACEMENT

TH-26A     INTERNAL BIRDIES    MORE    MORE
 
TH-27A     LOW TX POWER WITH TOSHIBA MODULES

TH-28A     DIFFICULT BATT. INSERTION
TH-28A     CTCSS TONE ERROR - 131.8,136.5,173.8 HZ

TH-42AT    MEMORY LOSS WHEN BATTERY RUNS DOWN

TH-45A      TSU-6 ERRATIC TONE ALERT FUNCTION
TH-45A      DISABLE AUTOMATIC POWER OFF FUNCTION    MORE
TH-45AT   KEYPAD OVERLAY REPLACEMENT

TH-48A     DIFFICULT BATT. INSERTION
TH-48A     CTCSS TONE ERROR - 131.8,136.5,173.8 HZ
TH-48A     MICRO CHANGE - DISABLE 800 MHZ RECEIVE

TH-75A     INTERMITTENT MEMORY LOSS MORE