============================================================================== K E N W O O D >>> A M A T E U R R A D I O S E R V I C E B U L L E T I N <<< ============================================================================== Kenwood Service Centers Kenwood Service Corporation Kenwood Service Center, East 2201 East Dominguez Street 829 Lynnhaven Parkway, Suite 130 Long Beach, California 90801 Virginia Beach, Virginia 23452 Telephone 1-310-639-5300 Telephone 1-804-340-1702 ============================================================================== AMATEUR RADIO SERVICE BULLETINS BY NUMBER UPDATED January 3, 1995 ASB-0001 DELETED DELETED ASB-0002 TS-520 NOVICE OPERATION - 75 WATTS ASB-0003 QR-666 VFO STABILITY IN SWL RECEIVER ASB-0004 TS-520 AM BROADCAST INTERFERENCE ASB-0005 TS-700A REPEATER OPERATION MODIFICATION (EUROPE) ASB-0006 T-599D CHAIN DRIVE MODIFICATION ASB-0007 T-599A/D SERVICE NOTES ASB-0008 R-599A/D SERVICE NOTES ASB-0009 TS-820S SPEECH PROCESSOR ALIGNMENT ASB-0010 TR-7400A FINAL UNIT ARCING ASB-0011 TR-2200A ANTENNA ADAPTER ASB-0012 TS-820 AUX BAND INSTALLATION (RX ONLY) ASB-0013 TS-820 RIT MODIFICATION ASB-0014 TS-820 MICROPHONE INPUT ATTENUATOR ASB-0015 VOX-3 SENSITIVITY AND DELAY ASB-0016 TR-8300 RECIEVER/TRANSMITTER ALIGNMENT ASB-0017 T-599D REDUCING 120HZ HUM ASB-0018 TR-7400A VARIOUS SERVICE NOTES ASB-0019 DG-1 NEW DISPLAY TUBE ASB-0020 TS-700A SERVICE NOTES ASB-0021 TS-520 SERVICE NOTES ASB-0022 TR-2200A SERVICE NOTES ASB-0023 TR-7200A SERVICE NOTES ASB-0024 TS-820S SERVICE NOTES ASB-0025 DG-5 REPAIR OF RCA PLUGS/JACKS ASB-0026 DG-1 SERVICE NOTE / BAD SOLDER JOINTS ASB-0027 TS-700A 9 VOLT REGULATOR REPLACEMENT ASB-0028 DG-5 REPAIR NOTES ASB-0029 DG-5 THEORY OF OPERATION ASB-0030 TS-820S GENERAL ALIGNMENT PROCEDURE ASB-0031 R-599A/D REMOVING CB BAND ASB-0032 TR-7400A CHANGES IN PD UNIT OF IC'S ASB-0033 RM-76 FREQUENCY ERROR WITH TR-7600/7625 ASB-0034 TR-7400A METER LAMP LONGER LIFE ASB-0035 MC-45/TR-7400A MODIFICATION FOR USE WITH TR-7400A ASB-0036 TS-180S HUM WITH PS-30/ERRATIC DFC ASB-0037 TS-120S VOX OPERATION PICK-UP TIME ASB-0038 TS-120S FINAL TRANSISTOR REPLACEMENT ASB-0039 TR-7600/7625 ALTERNATOR WHINE ASB-0040 TS-120S ANTENNA INPUT TRANSFORMER REPLACEMENT ASB-0041 BS-8/SM220/TS-180 ALIGNMENT WITH TS-180S/SM220 ASB-0042 TS-180S IF #2 OUTPUT LEVEL FOR SM220 OPERATION ASB-0043 TS-520S -6VDC SUPPLY FAILURE ASB-0044 TS-120S/180S PHONE PATCH TERMINAL ADDITION ASB-0045 TR-7600/7625 AUDIO TONE ON TX ASB-0046 TS-520S CW FREQUENCY SHIFT ASB-0047 TS-180S INCREASE OF RX AUDIO OUTPUT ASB-0048 TS-120S HUM IN SSB TX ASB-0049 MANY OPTIONAL FILTER LIST ASB-0050 TR-7600/7625 OPTIONAL CERAMIC FILTER ASB-0051 TS-120S FINAL PROTECTION ASB-0052 TS-520/SM220/BS5 SM-220/BS-5 SWEEP INTERFERENCE ASB-0053 DG-1 SERVICE NOTES (PC BOARD SOLDER) ASB-0054 DG-5 SERVICE NOTES (PC BOARD SOLDER) ASB-0055 TS-180S ALC LOSS OR REDUCTION ON 40 METERS ASB-0056 TS-180S DFC/HUM/INTERMITTANT FREQ STABILITY ASB-0057 SM-220 SHIELD INSTALLATION/SWEEP INTERFERENCE ASB-0058 TR-2400 TONE ENCODER RFI/MOTORBOATING ASB-0059 RM-76 BATTERY BACK-UP POWER ASB-0060 TS-120S REPAIR NOTES ASB-0061 TS-180S TROUBLE SHEET/REPAIR NOTES ASB-0062 DK-520/DG-5 USE WITH TS-511/TS-900/T/R-599 ASB-0063 TS-520 IF OUT FOR SM-220 ASB-0064 TS-120S FULL CW OUTPUT IN SSB MODE (USE SB-944) ASB-0065 TR-7600/7625 RF POWER MODULE RETURNS (OBSOLETE) ASB-0066 SM-220 FEEDBACK FROM BS-8 ASB-0067 TS-180S DFC INSTABILITY ASB-0800 DELETED DELETED ASB-0801 TS-120S TX OSCILLATION (USE SB-844) ASB-0802 RM-76 MICROPROCESSOR FAILURE ASB-0803 TS-180S CW DELAED KEYING DURING CW VOX OPERATION ASB-0804 TR-7625 INTERMITTENT TX ASB-0805 R-1000 MUTING OPERATION - OPS MANUAL UPDATE ASB-0806 TR-7600/7625 MEMORY BATTERY BACK-UP ASB-0807 TR-2400 OPTIONAL CHARGE INPUT PROTECTION ASB-0808 TR-2400 OFFSET FAILURE ASB-0809 TR-2400 UNWANTED NOISE: TONE OR BURST AT TX ASB-0810 TR-2400 DISPLAY OR KEYBOARD TROUBLE ASB-0811 TR-2400 RX LOW, INTERMITTENT, OR DISTORTED ASB-0812 TS-520S/820S CW FILTER SELECT CONTROL ASB-0813 R-1000 AGC, AM BANDWIDTH CHANGES ASB-0814 TR-2400 PLL UNLOCK / LOW CRYSTAL ACTIVITY ASB-0815 TR-2400 PULSE NOISE IN RECEIVE OR TRANSMIT ASB-0816 TS-120S BAND PASS FILTER CHANGE - IMPROVE SELECTIVITY ASB-0817 TS-180S LINEAR AMPLIFIER OPERATION / SWITCHING TIMES ASB-0818 TR-2400 SCRATCHY TX AUDIO ASB-0819 TR-2400 VOLUME CONTROL REPLACEMENT - PRECAUTIONS ASB-0820 TR-7625 FINAL MODULE REPLACEMENT (USE SB-826) ASB-0821 TS-120S TX OSCILLATION (SEE ASB-844) ASB-0822 TR-2400 BATTERY CHARGER FAILURE / REPAIR ASB-0823 R-1000 RF ATTENUATOR 10 DB STEP OPTION ASB-0824 TR-9000 CW/SSB TX INSTABILITY / FM'ING / CHIRP ON CW ASB-0825 TR-9000 TX PULSE NOISE IN SSB TRANSMISSION ASB-0826 TR-7625 HYBRID AMPLIFIER MODULE SUBSTITUTION ASB-0827 TS-120S VFO INSTABILITY AND DRIFT ASB-0828 TR-7800 TONE PAD CONVERSION FOR 4TH COLUMN (ABCD) ASB-0829 TR-7800 INTERMITTANT LOSS OF MEMORY ASB-0830 TR-2400 EXCESSIVE BACKGROUND NOISE ON XMIT ASB-0831 TS-120S ANT INPUT TRANSFORMER REPLACEMENT (NEW PART) ASB-0832 TS-120S FULL CW OUTPUT IN SSB MODE (SEE ALSO ASB-844) ASB-0833 TR-7800/9000 OPTIONAL FILTERS TO IMPROVE SELECTIVITY ASB-0834 TR-7800 PULSE NOISE AND SPKR BUZZ DURING XMIT ASB-0835 DELETED DELETED ASB-0836 TR-7800 CONTINUOUS CHARGE FOR INTERNAL BATTERIES ASB-0837 TS-830S OPERATION ON 240V AC ASB-0838 VFO-230 OPERATION ON 240V AC ASB-0839 TS-180S VFO INSTABILITY / DRIFT IMPROVEMENT ASB-0840 TS-830S INTERMITTANT FREQUENCY SHIFT ASB-0841 TR-7800 DISPLAY FAILURE CAUSED BY FAILURE OF CLOCK ASB-0842 DS-2/TS-520/820 REPLACEMENT FOR DS-1A IN TS820/TS520 ASB-0843 TR-8400 SUB-AUDIBLE ENCODER INSTALLATION ASB-0844 TS-120S TX OSCILLATION ESPECIALLY ON 10-15-20 METERS ASB-0845 TR-8400 RX INTERNAL SPURIOUS SIGNALS ASB-0846 TR-7850 RF LED METER DISPLAYS LOW READING ASB-0847 TS-830S LOW VOLTAGE SUPPLY DRIFT/IMPROVEMENTS ASB-0848 TS-530S LOW VOLTAGE SUPPLY / OPTIONAL IMPROVEMENTS ASB-0849 TR-9000 XMIT SIDEBAND DISTORTION / CARRIER BALANCE ASB-0850 TS-180S ALC LEVEL IMPROVEMENT / LPF CHANGES ASB-0851 TS-830S NOISE BLANKER IMPROVEMENTS / CROSS MODULATION ASB-0852 MC-46 DTMF OPERATION WITH OLDER EQUIPMENT ASB-0853 TR-8400 TRANSMITTER FREQUENCY RESPONSE VOICE AND DTMF ASB-0854 TR-7730 TRANSMITTER FREQUENCY RESPONSE VOICE AND DTMF ASB-0855 TR-8400 TRANSMIT/RECEIVE SWITCH TIME / PLL LOCKUP ASB-0856 TS-660 MICROPROCESSOR LATCH-UP ASB-0857 TS-830S TRANSMITTER "TALKBACK" FROM RF INTRUSION ASB-0858 TR-2500 RX IMD IMPROVEMENT ASB-0859 TR-9000 STABILITY IMPROVEMENT / PLL UNLOCK ASB-0860 TR-7800/7850 MEMORY CH. 7 INDICATOR ERRATIC ASB-0861 TR-7800/7850 MEMORY RETENTION IMPROVEMENTS ASB-0862 VFO-120 DIAL LAMP SWITCHING CIRCUIT ASB-0863 TS-930S INCORRECT LINE VOLTAGE SETTING ASB-0864 SMC-25 MODIFICATION FOR USE WITH THE TR-2400 ASB-0865 TS-430S 500 KHZ HETERODYNE ASB-0866 TS-930S CW HETERODYNE TONE WITH VBT CONTROL ASB-0867 TS-930S SSB TX AUDIO TONE QUALITY SN < 3080001 ASB-0868 TS-930S LOSS OF RX SENSITIVITY ASB-0869 TS-930S PLL UNLOCK / BLANK DISPLAY ASB-0870 TR-7930/7950 RX INTERFERENCE FROM FM/TV BROADCAST ASB-0871 TR-9130 LOW DRIVE LEVEL / LOW OUTPUT POWER ASB-0872 TS-930S CW PITCH TONE SHIFT WHEN MONI SWITCH IS ON ASB-0873 TS-930S CW VBT - SIMPLIFIED ALIGNMENT ASB-0874 TS-930S RF FEEDBACK WHEN USING EXTERNAL SPEAKER ASB-0875 TS-930S RX AUDIO OSCILLATION ASB-0876 TS-930S RF FEEDBACK INTO MIC CIRCUIT ASB-0877 AT-930 SERVICE NOTES ASB-0878 TS-530S IF UNIT Q2, Q7 PROTECTION ASB-0879 TS-930S ALC LEVEL DRIFT AT 28 MHZ ASB-0880 TM-201/401 INCREASED TX AUDIO / MIC GAIN ASB-0881 TS-930S POWER SUPPLY SURGE PROTECTION ASB-0882 TS-430S NOTCH CONTROL/BETTER ADJUSTMENT ASB-0883 TS-430S AM WIDE/NARROW FILTER SELECTION ASB-0884 TS-930S 15 MTR INTERNAL BEAT NOTE ASB-0885 TS-430S INTERNAL BEAT AT 28.415 & 21.526 ASB-0886 TS-930S INTERMITTENT TX POWER OUTPUT ASB-0887 TS-430S NOISE BLANKER IMPROVEMENTS ASB-0888 TS-430S INTERMITTENT PLL UNLOCK IN FM/AM ASB-0889 INTERNAL DELETED ASB-0890 INTERNAL DELETED ASB-0891 TS-430S DELETED, SUPERCEDED BY #0895 ASB-0892 TM-411 LOW/NO RECEIVER SENSITIVITY ASB-0893 TS-930S NOISY POWER SUPPLY FAN ASB-0894 INTERNAL DELETED ASB-0895 TS-430S PLL UNLOCK AT HIGH TEMPERATURE ASB-0896 TS-940S LCD CLOCK DISPLAY ERRATIC OPERATION ASB-0897 TM-211/411 AF GAIN CONTROL PART CHANGE ASB-0898 INTERNAL DELETED ASB-0899 INTERNAL DELETED ASB-0900 TS-940S PLL UNLOCK ASB-0901 TR-2600A PLL UNLOCK (TROUBLESHOOTING) ASB-0902 TS-430S LOW/INTERMITTENT RX / LPF RELAYS ASB-0903 TR-2600A PLL UNLOCK CAUSED BY OSC FAILURE ASB-0904 TM-2550 DCL CALL SIGN DATA LOSS ASB-0905 MANY COAX CABLE WITH PLUG LIST ASB-0906 TM-2570 LOW TX POWER OUTPUT WITH GOOD VSWR ASB-0907 TS-940S ANTENNA TUNER RELAY DAMAGE / MODIFICATION ASB-0908 TS-940S PLL UNLOCK DUE TO LOW LEVELS ASB-0909 TS-940S AVR UNIT CAPACITOR CHANGE / FAILURE ASB-0910 TS-940S AGC CIRCUIT IMPROVEMENTS ASB-0911 TS-940S DELETED, SUPERCEDED BY #0917 ASB-0912 TS-940S TRANSMITTER HUM IN SSB ASB-0913 TS-940S SIGNAL TO NOISE RATIO IMPROVEMENT WITH NB ASB-0914 HMC-1 NOT TO BE USED WITH TH-205AT/TH-215A ASB-0915 INTERNAL DELETED ASB-0916 PS-50 AVR FAILURE /IMPROVED SURGE PROTECTION ASB-0917 TS-940S VCO/CARRIER TO NOISE RATIO IMPROVEMENTS ASB-0918 TS-940S SQUELCH SWITCHING NOISE SN < 711XXXX ASB-0919 R-5000 NO FREQUENCY CHANGE THROUGH COMPUTER ASB-0920 TH-205/215 PROTECTION FUSE REPLACEMENT WITH DIODE ASB-0921 TS-940S SSB TALK POWER IMPROVEMENT S/N 601XXX-708XXX ASB-0922 RC-10 HANG UP TIME/TIMEOUT TIMER SETTINGS/XBAND RPT ASB-0923 INTERNAL DELETED ASB-0924 INTERNAL DELETED ASB-0925 TM-3530A NOISY TRANSMIT AFTER WARMUP ASB-0926 TW-4100A REPEATER STOP SCAN ON THE UHF BAND ASB-0927 RC-10 ALTERNATOR NOISE IN MIC CIRCUIT ASB-0928 TS-140S INTERMITTENT LOSS OF TRANSMIT POWER ASB-0929 TS-140S MOMENTARY TRANSMISSION WHEN VOX IS TURNED ON ASB-0930 TM-721A MICROCOMPUTER LOCK-UP ASB-0931 TM-721A LOW/NO VHF TRANSMIT POWER ASB-0932 TH-25/45 TSU-6 ERRATIC TONE ALERT FUNCTION ASB-0933 TM-221A NO TX IN HIGH POWER DUE TO VOLTAGE DROP ASB-0934 TM-221A FINAL MODULE/LOW POWER OUTPUT HINTS ASB-0935 TM-321A LOSS OF TX AUDIO WITH MC-48B ASB-0936 TM-721A S-METER DEFLECTION DUE TO PULSE NOISE ASB-0937 TM-721A AF PA WHITE NOISE WITH UNIT SQULCHED ASB-0938 PS-430 VOLTAGE INCREASE WITH TH-205/215 ASB-0939 TH-25/45 DISABLE AUTOMATIC POWER OFF FUNCTION ASB-0940 INTERNAL DELETED ASB-0941 MANY SERVICE MANUAL RX SECTION LEVEL DIAGRAMS ASB-0942 MANY SERVICE MANUAL TX SECTION LEVEL DIAGRAMS ASB-0943 INTERNAL DELETED ASB-0944 TH-205/215/415 VOLUME/SQUELCH CONTROL IMPROVEMENTS/BRACKET ASB-0945 TH-205 RCV SIGNAL TO NOISE RATIO IMPROVEMENTS ASB-0946 TH-215/415 TX SIGNAL TO NOISE RATIO IMPROVEMENT ASB-0947 TS-440S OPERATION WITH THE MC-85 ASB-0948 TS-440S NOTCH FILTER LOW FREQUENCY IMPROVEMENTS ASB-0949 TS-440S PROTECTING Q33 FROM SHORT ON REMOTE PLUG ASB-0950 TS-440S CASE SCREWS BINDING IN THE HEAT SINK ASB-0951 TS-940S ERRATIC DISPLAY (REMOVE THE ROM SOCKET) ASB-0952 TS-440S INTERMITTENT OPERATION/ROM SOCKET ASB-0953 MC-55 CHANGE IN MIC ELEMENT (T91-0328-08) ASB-0954 TS-820S TA7201P SUBSTITUTION PARTS KIT ASB-0955 INTERNAL PARTS ORDER DESK FOR DEALERS ASB-0956 TM-531A 20 MHZ OFFSET MODIFICATION ASB-0957 TH-75A NO TX ON VHF WHEN IN VEHICLE ASB-0958 MC-44DM INCREASE IN AUDIO LEVEL ASB-0959 TS-950SD SPEECH PROCESSOR NOISE ASB-0960 TS-950SD LOW VS-2 AUDIO ASB-0961 TS-950SD N.B.GATE SWITCHING NOISE ASB-0962 TS-950SD RX-TX SWITCHING TIME WITH AMP ASB-0963 TS-950SD RX DIGITAL NOISE ON 10 & 15 METERS ASB-0964 TS-950SD TWO SECOND TX DELAY WITH MONI SWITCH ON ASB-0965 TM-731A DELETED ASB-0966 TM-231A INTERMITTENT MEMORY LOSS ASB-0967 TM-701A INTERMITTENT MEMORY LOSS ASB-0968 TH-25AT/TH-45AT KEYPAD OVERLAY REPLACEMENT ASB-0969 INTERNAL DELETED ASB-0970 SM-230 BANDSCOPE ATTENUATION MOD ASB-0971 TS-950SD RECEIVER NOISE WITH VOLUME AT MINIMUM ASB-0972 TM-631/TM-731 MEMORY LOSS ASB-0973 TS-440S PLL UNLOCK IN VCO'S DUE TO GLUE ASB-0974 TS-440 PLL UNLOCK / PLL #1 ASB-0975 SM-230 RTTY CROSS PATTERN MODIFICATION ASB-0976 TH-26A INTERNAL BIRDIES ASB-0977 TM-731/TM-631 144MHZ FINAL BOARD CHANGE ASB-0978 TH-75A INTERMITTENT MEMORY LOSS ASB-0979 INTERNAL DELETED ASB-0980 TM-941A BPF ALIGNMENT TOOL ASB-0981 TH-77A MEMORY LOSS WITH LOW BATTERY VOLTAGE ASB-0982 TS-950SD TX IMAGE ON 18.115 MHZ CAUSING DISTORTION ASB-0983 MC-48 MIC ELEMENT CHANGE /INSTALLATION ASB-0984 TS-950SD 80 METER SPURIOUS EMMISION ON 80 METERS ASB-0985 PB-2/PB-12 BATTERY CURRENT LIMITING RESISTOR FAILURE ASB-0986 TS-440S S/M ALIGNMENT PROCEDURE UPDATES ASB-0987 TH-205/215/315/415 NEW PTT KNOB INSTALLATION ASB-0988 TS-940 MRF-485 DRIVER TRANSISTOR CHANGES (BLUE DOT) ASB-0989 DRU-2 ERRATIC PLAYBACK/MEMORY LOSS ASB-0990 TS-950S FINAL AMP.BIAS CIRCUIT CHANGE ASB-0991 TS-950S REAR COOLING FAN / POWER DOWN ASB-0992 DSP-100 6 PIN CABLE CHANGE ASB-0993 TH-27A LOW TX POWER WITH TOSHIBA MODULES ASB-0994 TS-450/TS-690 DISTORTED TX AUDIO WITH PACKET TERMINAL ASB-0995 TS-450/TS-690 CALIBRATION CABLE CHANGE ASB-0996 TM-732A 440 RECEIVE INTERFERENCE FROM 2 METER XMIT ASB-0997 TH-78A CLONE FAILURE W/ME-1 ASB-0998 TS-950SDX RANDOM TRANSMIT WHEN MODE IS CHANGED ASB-0999 TS-950SDX NO BEEP IN HEADPHONE WHEN USING MONO PHONES ASB-1000 TS-850S DISTORTED TX WITH PACKET TERMINAL ASB-1001 TS-950SDX DISTORTED DRU-2 TRANSMIT AUDIO ASB-1002 TS-450/TS-690 DISTORTED TX WITH PACKET TERMINAL ASB-1003 TS-950SDX K1EA VER.8 PROGRAM PROBLEMS - NEW EPROM ASB-1004 TS-450S POOR TRANSMIT AUDIO FREQUENCY RESPONSE ASB-1005 TM-732A CHANGE IN VALUE OF CHIP FUSE ASB-1006 TS-850S LOW OR NO RECEIVE SENSISTIVITY/NO AUDIO ASB-1007 TS-950SDX SPEECH PROCESSOR ADJ / EXCESSIVE NOISE ASB-1008 TH-78A CALL CH. TONE FREQ PROBLEM WITH TSU-7 ASB-1009 TS-950SDX 3RD ORDER IMD IMPROVMENTS ASB-1010 AT-50 AT-50 BLOWS ACCESSORY FUSE IN TS-50 ASB-1011 TM-732A LOW CROSS-BAND REPEAT AUDIO ASB-1012 TS-950SDX KEY CLICK WITH BUG TYPE KEY ASB-1013 TH-78A LEFT ENCODER INOPERATIVE ASB-1014 TM-732A NOISE AT SQULECH ON/OFF ON OTHER BAND ASB-1015 TS-50S LITHIUM BATT. REPLACMENT CAUTION ASB-1016 TS-950 HUM WITH MONITOR ON S/N < 1060XXX ASB-1017 TS-950 NOISE WHEN NB1 ON FOR SUB RECEIVER ASB-1018 TS-950 14.200 MHZ TRANSMIT SPUR S/N <1010XXX ASB-1019 TS-950 LOW PWR.OUTPUT AFTER TEMPERATURE PROTECT ASB-1020 TS-950 INFINITE SWR AT BEGINNING OF TRANSMISSION ASB-1021 TS-950 SMOKE FROM ANTENNA TUNER ASB-1022 MC-44DM INTERMITTENT AUDIO ASB-1023 TM-732A S-METER SQUELCH SCAN IMPROVEMENT ASB-1024 TS-950SD TRANSMIT SPURS ASB-1025 AT-50 BLOWS ACCY FUSE IN TS-50 ASB-1026 TS-950SDX CLICK NOISE WHEN NOTCH IS ON ASB-1027 TM-732A PROT OF Q201 (FIRST RF AMP) 440 SIDE ASB-1028 TH-78/28/48 DIFFICULT BATT. INSERTION ASB-1029 TM-742/942 28MHZ/50MHZ R/C XMIT FAILURE ASB-1030 TS-50 "HELLO" DISPLAYED DURING TRANSMIT ASB-1031 SMC-34 DISTORTED/MUFFLED AUDIO ASB-1032 TS-450/TS-690 LOW MIC GAIN W/DSP-100 ASB-1033 TM-742/942 MICRO LOCKUP WHEN IN REMOTE OPERATION ASB-1034 TS-850/VS-2 NO AUDIO FROM VS-2 ASB-1035 TS-50 ANTENNA LEAD WIRE CONNECTION ASB-1036 TS-450 PARTS CHANGES FOR DRIVER TRANSISTORS ASB-1037 TH-28/TH-48 CTCSS TONE ERROR - 131.8,136.5,173.8 HZ ASB-1038 TH-78 MICRO CHANGE - DISABLE 800 MHZ RECEIVE ASB-1039 TH-48 MICRO CHANGE - DISABLE 800 MHZ RECEIVE ASB-1040 TM-642/742/942 MICRO CHANGE - DISBALE 800 MHZ RECEIVE ASB-1041 TM-411 MICRO CHANGE - DISABLE 800 MHZ RECEIVE ASB-1042 TM-642/732/942 MICRO CHANGE - SUPERCEDES ASB-1033 ASB-1043 TS-950SDX INSTALLATION OF YG-455S1 ASB-1044 TS-50 MECHANICAL NOISE FROM FINAL UNIT ASB-1045 TS-950SDX NO VFO B AFTER SPLIT OPERATION / MICRO CHANGE ASB-1046 TS-850 S METER ADJUSTMENT ASB-1047 TS-950SDX CARRIER POINT ADJUSTMENT ASB-1048 TH-78A IMD IMPROVEMENT ASB-1049 TS-850 CLICK NOISE WITH NOTCH ON ASB-1050 TS-950SDX SUB BAND RESIDUAL NOISE ASB-1051 TM-732A CONTROL PCB FOIL DAMAGE ASB-1052 TS-950SD SPUR ON 18.115 ASB-1053 TS-950SDX CHANGE OF FINAL GATE RESISTOR TYPE ASB-1054 AT-50 MECHANICAL STABILITY OF CASE ASB-1055 MANY USE OF HEATSINK COMPOUND ASB-1056 TM-732 APC CIRCUIT MODIFICATION ASB-1057 TH-22/42 MEMORY LOSS WHEN BATTERY RUNS DOWN ASB-1058 TM-455A CHANGE IN PIN DIODE ASB-1059 TS-450S CHANGE OF NOISY ENCODER ASB-1060 TM-733A PL TONE DISTORTION/AUDIBLE ASB-1061 TM-733A PL TONE BLEED THRU TO SPEAKER