home *** CD-ROM | disk | FTP | other *** search
/ HamCall (October 1991) / HamCall (Whitehall Publishing)(1991).bin / amateur / kenwood / svcbull / reflst1.doc < prev    next >
Text File  |  1990-10-14  |  12KB  |  223 lines
  1. KENWOOD SERVICE BULLETINS BY NUMBER                    11/21/89
  2.  
  3.  
  4. SB #      MODEL               TITLE
  5.  
  6. 1                             (OBSOLETE)
  7. 2         TS-520              NOVICE OPERATION - 75 WATTS
  8. 3         QR-666              VFO STABILITY
  9. 4         TS-520              AM BROADCAST INTERFERENCE
  10. 5         TS-700A             REPEATER MODIFICATION (EUROPE)
  11. 6         T-599D              CHAIN DRIVE MODIFICATION
  12. 7         T-599A/D            SERVICE NOTES
  13. 8         R-599A/D            SERVICE NOTES
  14. 9         TS-820S             SPEECH PROCESSOR ALIGNMENT
  15. 10        TR-7400A            FINAL UNIT ARCING
  16. 11        TR-2200A            ANTENNA ADAPTER
  17. 12        TS-820              AUX BAND INSTALLATION (RX ONLY)
  18. 13        TS-820              RIT MODIFICATION
  19. 14        TS-820              MICROPHONE INPUT ATTENUATOR
  20. 15        VOX-3               SENSITIVITY AND DELAY
  21. 16        TR-8300             ALIGNMENT
  22. 17        T-599D              REDUCING 120HZ HUM
  23. 18        TR-7400A            SERVICE NOTES
  24. 19        DG-1                NEW DISPLAY TUBE
  25. 20        TS-700A             SERVICE NOTES
  26. 21        TS-520              SERVICE NOTES
  27. 22        TR-2200A            SERVICE NOTES
  28. 23        TR-7200A            SERVICE NOTES
  29. 24        TS-820S             SERVICE NOTES
  30. 25        DG-5                REPAIR
  31. 26        DG-1                SERVICE NOTES
  32. 27        TS-700A             9 VOLT REGULATOR REPLACEMENT
  33. 28        DG-5                REPAIR NOTES
  34. 29        DG-5                THEORY OF OPERATION
  35. 30        TS-820S             GENERAL ALIGNMENT PROCEDURE
  36. 31        R-599A/D            REMOVING CB BAND
  37. 32        TR-7400A            CHANGES IN PD UNIT
  38. 33        RM-76               FREQUENCY ERROR WITH TR-7600/7625
  39. 34        TR-7400A            METER LAMP LONGER LIFE
  40. 35        MC-45               MODIFICATION FOR USE WITH TR-7400A
  41. 36        TS-180S             DFC HUM WITH PS-30
  42. 37        TS-120S             VOX OPERATION PICK-UP TIME
  43. 38        TS-120S             FINAL TRANSISTOR REPLACEMENT
  44. 39        TR-7600/7625        ALTERNATOR WHINE
  45. 40        TS-120S             ANTENNA INPUT TRANSFORMER REPLACEMENT
  46. 41        BS-8                ALIGNMENT WITH TS-180S
  47. 42        TS-180S             IF #2 OUTPUT LEVEL CHANGE
  48. 43        TS-520S             -6VDC SUPPLY FAILURE
  49. 44        TS-120S/180S        PHONE PATCH TERMINAL ADDITION
  50. 45        TR-7600/7625        AUDIO TONE ON TX
  51. 46        TS-520 (S)          CW FREQUENCY SHIFT
  52. 47        TS-180S             INCREASE OF RX AUDIO OUTPUT
  53. 48        TS-120S             HUM IN SSB TX
  54. 49        UHF/VHF             OPTIONAL FILTER LIST
  55. 50        TR-7600/7625        OPTIONAL CERAMIC FILTER
  56. 51        TS-120S             FINAL PROTECTION
  57. 52        TS-520 (S)          BS-5 SWEEP INTERFERENCE
  58. 53        DG-1                STANDARD SERVICE
  59. 54        DG-5                STANDARD SERVICE
  60. 55        TS-180S             LOW 40 MTR ALC
  61. 56        TS-180S             DFC
  62. 57        SM-220              SHIELD INSTALLATION
  63. 58        TR-2400             TONE ENCODER RFI
  64. 59        RM-76               BATTERY BACK-UP POWER
  65. 60        TS-120S             REPAIR NOTES
  66. 61        TS-180S             TROUBLE SHEET
  67. 62        DK-520/DG-5         USE WITH TS-511/TS-900/T/R-599
  68. 63        TS-520              IF OUT FOR SM-220
  69. 64        TS-120S             FULL CW OUTPUT IN SSB MODE (USE SB-944)
  70. 65        TR-7600/7625        RF POWER MODULE RETURNS (OBSOLETE)
  71. 66        SM-220              FEEDBACK FROM BS-8
  72. 67        TS-180S             DFC INSTABILITY
  73. 801       TS-120S             TX OSCILLATION (USE SB-844)
  74. 802       RM-76               MICROPROCESSOR FAILURE
  75. 803       TS-180S             CW DELAY DURING VOX MEMORY OPERATION
  76. 804       TR-7625             INTERMITTENT TX
  77. 805       R-1000              MUTING
  78. 806       TR-7600/7625        MEMORY BATTERY BACK-UP
  79. 807       TR-2400             OPTIONAL CHARGE INPUT PROTECTION
  80. 808       TR-2400             OFFSET FAILURE
  81. 809       TR-2400             UNWANTED NOISE: TONE OR BURST AT TX
  82. 810       TR-2400             DISPLAY OR KEYBOARD TROUBLE
  83. 811       TR-2400             RX LOW, INTERMITTENT, OR DISTORTED
  84. 812       TS-520/820          CW FILTER SELECT CONTROL
  85. 813       R-1000              AGC, AM BANDWIDTH CHANGES
  86. 814       TR-2400             UNLOCK
  87. 815       TR-2400             PULSE NOISE
  88. 816       TS-120S             BAND PASS FILTER CHANGE
  89. 817       TS-180S             USE WITH A LINEAR AMPLIFIER
  90. 818       TR-2400             SCRATCHY TX
  91. 819       TR-2400             VOLUME CONTROL REPLACEMENT
  92. 820       TR-7625             FINAL MODULE REPLACEMENT
  93. 821       TS-120S             TX OSCILLATION (USE SB-844)
  94. 822       TR-2400             BATTERY CHARGER FAILURE
  95. 823       R-1000              RF ATTENUATOR 10 DB STEP OPTION
  96. 824       TR-9000             CW/SSB TX INSTABILITY
  97. 825       TR-9000             TX PULSE NOISE IN SSB
  98. 826       TR-7625             HYBRID AMPLIFIER MODULE SUBSTITUTION
  99. 827       TS-120S             VFO STABILITY
  100. 828       TR-7800             TONE PAD CONVERSION FOR 4TH COLUMN           
  101.                               FUNCTION
  102. 829       TR-7800             LOSS OF MEMORY
  103. 830       TR-2400             TX NOISE
  104. 831       TS-120S             ANTENNA INPUT TRANSFORMER REPLACEMENT
  105. 832       TS-120S             FULL CW OUTPUT IN SSB MODE (USE SB-844)
  106. 833       TR-7800/9000        OPTIONAL CERAMIC FILTERS
  107. 834       TR-7800             PULSE NOISE
  108. 836       TR-7800             OPTIONAL CONTINUOUS CHARGE FOR INTERNAL      
  109.                               BATTERY
  110. 837       TS-830S             OPERATION ON 240V AC
  111. 838       VFO-230             OPERATION ON 240V AC
  112. 839       TS-180S             VFO STABILITY
  113. 840       TS-830S             FREQUENCY SHIFT
  114. 841       TR-7800             CLOCK AND DISPLAY FAILURE
  115. 842       DS-2                REPLACEMENT FOR DS-1A
  116. 843       TR-8400             SUB-AUDIBLE ENCODER INSTALLATION
  117. 844       TS-120S             TX OSCILLATION
  118. 845       TR-8400             RX INTERNAL SPURIOUS SIGNALS
  119. 846       TR-7850             RF LED METER (LOW READINGS)
  120. 847       TS-830S             LOW VOLTAGE SUPPLY OPTIONAL IMPROVEMENTS
  121. 848       TS-530S             LOW VOLTAGE SUPPLY OPTIONAL IMPROVEMENTS
  122. 849       TR-9000             TRANSMITTER SIDEBAND CARRIER BALANCE
  123. 850       TS-180S             LOW PASS FILTER OPTIONAL CHANGES
  124. 851       TS-830S             NOISE BLANKER OPTIONAL IMPROVEMENTS
  125. 852       MC-46               DTMF OPERATION WITH OLDER EQUIPMENT
  126. 853       TR-8400             TRANSMITTER FREQUENCY RESPONSE VOICE OR      
  127.                               DTMF
  128. 854       TR-7730             TRANSMITTER FREQUENCY RESPONSE VOICE OR      
  129.                               DTMF
  130. 855       TR-8400             TRANSMIT DELAY TIME
  131. 856       TS-660              MICROPROCESSOR LATCH-UP
  132. 857       TS-830S             TRANSMITTER "TALKBACK"
  133. 858       TR-2500             RX IMD IMPROVEMENT
  134. 859       TR-9000             TEMPERATURE STABILITY IMPROVEMENT
  135. 860       TR-7800/7850        MEMORY CH. 7 INDICATOR ERRATIC
  136. 861       TR-7800/7850        MEMORY IMPROVEMENTS
  137. 862       VFO-120             DIAL LAMP SWITCHING CIRCUIT
  138. 863       TS-930S             INCORRECT LINE VOLTAGE SETTING (OBSOLETE)
  139. 864       SMC-25              MODIFICATION FOR USE WITH THE TR-2400
  140. 865       TS-430S             500KHZ HETERODYNE
  141. 866       TS-930S             CW HETERODYNE TONE
  142. 867       TS-930S             SSB TX TONE QUALITY
  143. 868       TS-930S             LOW RX SENSITIVITY
  144. 869       TS-930S             PLL UNLOCK
  145. 870       TR-7930/7950        RX INTERFERENCE
  146. 871       TR-9130             LOW DRIVE LEVEL
  147. 872       TS-930S             CW PITCH TONE SHIFT
  148. 873       TS-930S             CW VBT
  149. 874       TS-930S             RF FEEDBACK
  150. 875       TS-930S             RX AUDIO OSCILLATION
  151. 876       TS-930S             RF FEEDBACK INTO MIC CIRCUIT
  152. 877       AT-930              SERVICE NOTES
  153. 878       TS-530S             IF UNIT Q2, Q7 PROTECTION
  154. 879       TS-930S             INCREASED TX AUDIO
  155. 880       TM-201/401          INCREASED TX AUDIO
  156. 881       TS-930S             POWER SUPPLY SURGE PROTECTION
  157. 882       TS-430S             NOTCH CONTROL
  158. 883       TS-430S             AM WIDE/NARROW FILTER SELECTION
  159. 884       TS-930S             15 MTR INTERNAL BEAT NOTE
  160. 885       TS-430S             RECEIVER INTERNAL BEAT
  161. 886       TS-930S             INTERMITTENT TX POWER OUTPUT
  162. 887       TS-430S             NOISE BLANKER IMPROVEMENTS
  163. 888       TS-430S             INTERMITTENT PLL UNLOCK IN FM/AM
  164. 892       TM-411              LOW/NO RECEIVER SENSITIVITY
  165. 893       TS-930S             NOISY POWER SUPPLY FAN
  166. 895       TS-430S             PLL UNLOCK AT HIGH TEMPERATURE
  167. 896       TS-940S             LCD CLOCK DISPLAY ERRATIC OPERATION
  168. 897       TM-211/411          AF GAIN CONTROL PART CHANGE
  169. 900       TS-940S             PLL UNLOCK
  170. 901       TR-2600A            PLL UNLOCK (TROUBLESHOOTING)
  171. 902       TS-430S             LOW/INTERMITTENT RX
  172. 903       TR-2600A            PLL UNLOCK
  173. 904       TM-2550             DCL CALL SIGN DATA
  174. 905                           COAX CABLE WITH PLUG LIST
  175. 906       TM-2570             LOW TX POWER OUTPUT
  176. 907       TS-940S             ANTENNA TUNER RELAYS
  177. 908       TS-940S             PLL UNLOCK
  178. 909       TS-940S             AVR UNIT CAPACITOR CHANGE
  179. 910       TS-940S             AGC CIRCUIT IMPROVEMENTS
  180. 912       TS-940S             TRANSMITTER HUM IN SSB
  181. 913       TS-940S             SIGNAL TO NOISE RATIO IMPROVEMENT
  182. 914       HMC-1               NOT TO BE USED WITH TH-205ST/TH-215A
  183. 916       PS-50               IMPROVED VOLTAGE SURGE PROTECTION
  184. 917       TS-940S             VCO CARRIER TO NOISE RATIO IMPROVEMENTS
  185. 918       TS-940S             SQUELCH SWITCHING NOISE
  186. 919       R-5000              NO FREQUENCY CHANGE THROUGH COMPUTER         
  187.                               INTERFACE
  188. 920       TH-205/215          PROTECTION FUSE REPLACEMENT WITH DIODE
  189. 921       TS-940S             SSB TALK POWER IMPROVEMENT
  190. 922       RC-10               HANG UP TIME/TIMEOUT TIMER SETTINGS
  191. 925       TM-3530A            NOISY TRANSMIT
  192. 926       TW-4100A            REPEATER STOP SCAN ON THE UHF BAND
  193. 927       RC-10               ALTERNATOR NOISE
  194. 928       TS-140S             INTERMITTENT LOSS OF TRANSMIT POWER
  195. 929       TS-140S             MOMENTARY TRANSMISSION WHEN VOX IS TURNED
  196.                               ON
  197. 930       TM-721A             MICROCOMPUTER LOCK-UP
  198. 931       TM-721A             LOW/NO VHF TRANSMIT POWER
  199. 932       TH-25/45            W/TSU-6 TONE ALERT IMPROVEMENTS
  200. 933       TM-221A             NO TX IN HIGH POWER DUE TO VOLTAGE DROP
  201. 934       TM-221A             FINAL MODULE HINTS
  202. 935       TM-321A             LOSS OF TX AUDIO WITH MC-48B
  203. 936       TM-721A             S-METER DEFLECTION DUE TO PULSE NOISE
  204. 937       TM-721A             AF PA WHITE NOISE WITH MC-48B
  205. 938       PS-430              VOLTAGE INCREASE WITH TH-205/215
  206. 939       TH-25/45            AUTOMATIC POWER OFF FUNCTION
  207. 941                           SERVICE MANUAL RX SECTION LEVEL DIAGRAMS
  208. 942                           SERVICE MANUAL TX SECTION LEVEL DIAGRAMS
  209. 944       TH-205/215          VOLUME/SQUELCH CONTROL IMPROVEMENTS
  210. 945       TH-205              SIGNAL TO NOISE RATIO IMPROVEMENTS
  211. 946       TH-215/415          TX SIGNAL TO NOISE RATIO IMPROVEMENT
  212. 947       TS-440S             OPERATION WITH THE MC-85
  213. 948       TS-440S             NOTCH FILTER LOW FREQUENCY IMPROVEMENTS
  214. 949       TS-440S             PROTECTING Q33
  215. 950       TS-440S             CASE SCREWS BINDING IN THE HEAT SINK
  216. 951       TS-940S             ERRATIC DISPLAY (REMOVE THE SOCKET)
  217. 952       TS-440S             INTERMITTENT OPERATION (REMOVE THE           
  218.                               SOCKET)
  219. 953       MC-55               CHANGE IN MIC ELEMENT (T91-0328-08)
  220. 954       TS-820S             TA7201P SUBSTITUTION PARTS KIT
  221.  
  222.  
  223.