Kenwood TK-480 Service Manual Download Page 18 | Manualshive

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17

TK-480

PACKING

C

D

1

2

3

50 Battery assy
(W09-0900-45)

Insulation sheet

28 Packing fixture
(H12-3014-02)

47 Whip antenna
(T90-0636-25)

29 Item carton case
(H52-1096-12)

9 Instruction manual
(B62-1771-00)

4 Cap (SP/MIC)
(B09-0363-03)

42 Screw set
(N99-2004-05)

32 Hook
(J29-0658-05)

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Summary of Contents for TK-480

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any t...

Page 2: ...5 Knob ENC K29 5232 03 Knob VOL K29 5231 03 Panel assy A62 0981 04 Cabinet assy A02 3659 13 Knob PTT K29 5157 03 Badge B43 1139 04 Packing G53 0841 02 This service manual has new information that is not covered by the TK 480 481 REVISED II service manual B51 8408 20 Refer to the TK 480 481 REVISED II service manual B51 8408 20 for items not provided in this service manual CAUTION When using an ext...

Page 3: ...re and any open connectors are properly terminated SHUT OFF this equipment when near electrical blasting caps or while in an explosive atmosphere This equipment should be serviced by only qualified tech nicians SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and align ment procedures contained within Model Unit Frequency range Remarks C...

Page 4: ... such as the system and group are stored in memory When the power is switched on again the sys tem returns to the previous conditions Auxiliary orange key Programmable Battery pack release catch Push down to release the battery pack See Installing the Ni Cd Battery Pack MONITOR key Programmable PTT Push To Talk key Press this key then speak into the microphone to call a station LAMP key Programmab...

Page 5: ...sed each time the group number to be selected is incremented decremented and repeats if held for one second or longer Home group Each pressing of the key selects a preset system group Key lock Pressing this key causes the transceiver to accept entry of only the Function Key Lock PTT Lamp Monitor A Monitor B Monitor C Monitor D and Emergency keys The locked keys also include the tuning control Lamp...

Page 6: ... selective call alert LED is set up the orange LED will flash While option signalling matches or if option signalling is deactivated when you are transmitting you can mute or unmute ID QT DQT Carrier AND OR You can select AND or OR for option signalling match conditions Alert Transpond AND QT DQT ID DTMF Option matches Action OR QT DQT ID DTMF Option matches Action AF mute open AND QT DQT ID DTMF ...

Page 7: ...ed block ID setting affects each fleet group 4 5 Status Message Using a 2 digit number you can send and receive a Sta tus message which may be decided in your talk group Each Status may be displayed with 16 alphanumeric characters if programmed in the radio A maximum of 9 received mes sages can be stored in the stack memory and it can be re viewed after reception If the message memory becomes full...

Page 8: ... to the Data System Group of the current sys tem Increase this item to make sure the called radio unit moves to the Data System Group Random Access Contention When a channel is busy radio unit will not transmit de pending on its Busy Channel Lockout setting As soon as a channel is cleared some transmissions may crash Random access is used to avoid this by employing a random trans mission sequence ...

Page 9: ...y to modify the destination data be cause their values are determined automatically when the frequency range frequency type is set The values should be modified only if necessary Data can be programmed into the flash memory in RS 232C for mat via the universal connector KPG 49D M2 instruction manual parts No B62 1358 XX 2 Firmware Programming Mode 2 1 Preface Flash memory is mounted on the TK 480 ...

Page 10: ...the access speed is too slow 2 4 Function 1 If you press the MON switch top of left side while PROG 57600 is displayed the checksum is displayed If you press the MON switch again while the checksum is displayed PROG 57600 is redisplayed 2 If you press the LAMP switch bottom of left side while PROG 57600 is displayed the display changes to PROG 19200 to indicate that the write speed is low speed 19...

Page 11: ... ENC B 3B N30 2605 46 PAN HEAD MACHINE SCREW ANT C 3A N30 2610 46 PAN HEAD MACHINE SCREW CASE D 2A N67 2606 46 PAN HEAD SEMS SCREW W P MODULE F 3A N79 2025 46 PAN HEAD TAPTITE SCREW TERMINAL E 2A 1B N83 2005 46 PAN HEAD TAPTITE SCREW UNIT 42 2C N99 2004 05 SCREW SET ACSY 44 3B R31 0617 05 VARIABLE RESISTOR POWER SW VOL S300 S70 0414 05 TACT SWITCH 46 1A T07 0714 05 SPEAKER 47 2C T90 0636 25 WHIP A...

Page 12: ...C16 17 CC73GCH1H101J CHIP C 100PF J C18 CK73GB1C104K CHIP C 0 10UF K C19 23 CC73GCH1H101J CHIP C 100PF J C24 C92 0507 05 CHIP TAN 4 7UF 6 3WV C25 CK73FB1A105K CHIP C 1 0UF K C26 CK73GB1E123K CHIP C 0 012UF K C27 CK73GB1C104K CHIP C 0 10UF K C28 30 CC73GCH1H101J CHIP C 100PF J C31 CK73GB1C104K CHIP C 0 10UF K C32 CK73GB1H472K CHIP C 4700PF K C33 CK73GB1H471K CHIP C 470PF K C34 C92 0560 05 CHIP TAN ...

Page 13: ...F J C158 CC73GCH1H270J CHIP C 27PF J C159 CK73FB1H563K CHIP C 0 056UF K C160 161 CC73GCH1H101J CHIP C 100PF J C162 CC73GCH1H270J CHIP C 27PF J C163 CK73FB1C474K CHIP C 0 47UF K C164 165 CC73GCH1H101J CHIP C 100PF J C166 CC73GCH1H010C CHIP C 1 0PF C C167 CC73GCH1H101J CHIP C 100PF J C168 CC73GCH1H020C CHIP C 2 0PF C C169 172 CC73GCH1H101J CHIP C 100PF J C173 CC73GCH1H020C CHIP C 2 0PF C C174 CC73GC...

Page 14: ... R33 RK73GB1J123J CHIP R 12K J 1 16W R34 RK73GB1J334J CHIP R 330K J 1 16W R35 RK73GB1J101J CHIP R 100 J 1 16W R36 RK73GB1J472J CHIP R 4 7K J 1 16W R37 RK73GB1J104J CHIP R 100K J 1 16W R38 RK73GB1J151J CHIP R 150 J 1 16W R39 RK73GB1J560J CHIP R 56 J 1 16W R40 RK73GB1J272J CHIP R 2 7K J 1 16W R41 RK73GB1J471J CHIP R 470 J 1 16W R42 43 RK73GB1J102J CHIP R 1 0K J 1 16W R44 R92 0670 05 CHIP R 0 OHM R45...

Page 15: ... 162 RK73GB1J184J CHIP R 180K J 1 16W R163 RK73GB1J104J CHIP R 100K J 1 16W R164 RK73GB1J473J CHIP R 47K J 1 16W R165 RK73GB1J150J CHIP R 15 J 1 16W R167 RK73GB1J123J CHIP R 12K J 1 16W R168 RK73GB1J333J CHIP R 33K J 1 16W R169 RK73GB1J223J CHIP R 22K J 1 16W R170 RK73GB1J473J CHIP R 47K J 1 16W R171 RK73GB1J823J CHIP R 82K J 1 16W R200 207 RK73HB1J102J CHIP R 1 0K J 1 16W R211 RK73HB1J103J CHIP R...

Page 16: ...ion New Desti parts nation Q18 2SK1824 FET Q19 2SC4617 S TRANSISTOR Q20 DTC144EE DIGITAL TRANSISTOR Q21 23 2SK1824 FET TH2 157 503 65001 THERMISTOR TX RX UNIT X57 5630 10 Ref No Address Parts No Description Ref No Address Parts No Description ...

Page 17: ...2 64 64 66 10 61 12 65 49 44 2 26 34 24 17 19 40 31 25 MIC300 46 18 22x2 21x2 A C C A Ex2 Display unit A 2 Ex2 Ex2 F F 701 Chassis S No label E E 703 E D D E E E E Bx2 TX RX unit Display unit B 2 When you repair or exchange the square socket 19 please exchange FPC 34 as well When you repair or exchange the display unit please exchange the sheet 24 as well 67 Parts with the exploded numbers larger ...

Page 18: ...attery assy W09 0900 45 Insulation sheet 28 Packing fixture H12 3014 02 47 Whip antenna T90 0636 25 29 Item carton case H52 1096 12 9 Instruction manual B62 1771 00 4 Cap SP MIC B09 0363 03 42 Screw set N99 2004 05 32 Hook J29 0658 05 ...

Page 19: ...ghts at RF Power Low P Unused MON Lights at moniter ON SVC Unused Lights at MSK 2400 bps LED indicator Red LED Lights during transmission Blinks at the low battery voltage warning Green LED Lights when there is a carrier Sub LCD indicator FCN Appears at Function ON Frequency and signalling The set has been adjusted for the frequencies shown in the following table When required re adjust them follo...

Page 20: ... C TMAX H TMAX C C C A A L NMAX C NMAX H NMAX C C C A A IC30 IC14 VC 1 1 Group No System No Transceiver tuning To place transceiver in tuning mode System appears on LCD Set system according to tuning requirements LCD display Test mode Press S now in tuning mode Use B button to write tuning data through tuning modes and channel selector knob to adjust tuning requirements 1 to 256 appears on LCD Use...

Page 21: ... GRP 1 7 Check 2 0 3 0W power check TA mode OFF and ON Press A key then C key 1 7A or less PTT ON 6 TX low 1 SYS GRP 4 Panel Encoder 1 0W 0 1W power Select LPOW knob 1 2A or less adjustment in tuning mode PTT ON 7 TX T A 1 SYS GRP 4 low power Select TLPW adjustment in tuning mode PTT ON 8 TX low 1 SYS GRP 1 7 Check 0 5 1 5W power check Low power Press B key 1 2A or less TA mode OFF and ON Press A ...

Page 22: ...ting LPF 15kHz HPF OFF Adjustment item L MAX C MAX H MAX PTT ON 11 T A MAX 1 SYS GRP 4 DEV Select TMAX adjustment in tuning mode AG 1kHz 150mV Deviation meter filter setting LPF 15kHz HPF OFF Adjustment item L TMAX C TMAX H TMAX PTT ON 12 NPSPAC 1 SYS GRP 10 2 9kHz 50Hz MAX DEV Select NMAX According to the adjustment in tuning mode larger AG 1kHz 150mV Deviation meter filter setting LPF 15kHz HPF ...

Page 23: ...justment Select FLTR in tuning mode Deviation meter filter setting LPF 3kHz HPF OFF PTT ON 18 DTMF DEV 1 SYS GRP 4 3 00kHz 0 15kHz adjustment Select DTMF in tuning mode Deviation meter filter setting LPF 15kHz HPF OFF PTT ON 19 MSK DEV 1 SYS GRP 4 adjustment Select FMSK in tuning mode Deviation meter filter setting LPF 15kHz HPF OFF PTT ON 20 TONE DEV 1 SYS GRP 4 2 5kHz 0 1kHz adjustment Select TO...

Page 24: ... Note 2 SSG output OFF Squelch must be closed Note When squelch is adjusted the microcomputer simultaneously reads and writes the RSSI level Do not write adjustment values without the SSG connected Measurement Test equipment Unit Terminal Adjustment Unit Parts Method Specifications Remarks Condition Item Receiver Section 22 BATT 1 SYS GRP 4 1 Power meter Panel ANT Panel Encoder Check Can not trans...

Page 25: ... FM Noise 45dB Audio Distortion 5 0 or less Frequency Stability 0 00025 30 C to 60 C Channel Spread 64MHz KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH...

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