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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...
TK-290-11B GENERAL INTRODUCTION PERSONNEL SAFETY SCOPE OF THIS MANUAL The following precautions are recommended for person- nel safety : This manual is intended for use by experienced techni- • DO NOT transmit until all RF connectors are verified se- cians familiar with similar types of commercial grade commu- cure and any open connectors are properly terminated.
TK-290-11B CIRCUIT DESCRIPTION 1. PLL Frequency Synthesizer The PLL IC consists of a prescaler, fractional divider, refer- The frequency synthesizer consists of the VCXO (X1), ence divider, phase comparator and charge pump. This PLL VCO (L800), PLL IC (IC5) and buffer amplifiers. The VCXO IC is a fractional-N type synthesizer and performs in the 80 or generates a 16.8MHz signal.
Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Other Areas Teile ohne Parts No. werden nicht geliefert. TK-290-11B (Y50-5322-70) FINAL UNIT (X45-3592-71) CONTROL UNIT (X53-3932-71) Desti- Desti- Ref.
TK-290-11B PARTS LIST CONTROL UNIT (X53-3932-71) TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CK73GB1H471K CHIP C 470PF NJM2904V-ZB MOS-IC C45,46 CK73GB1H471K CHIP C 470PF IC4-6 TC7SH08FU-F MOS-IC ✽...
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TK-290-11B PARTS LIST TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C66,67 CK73GB1H471K CHIP C 470PF C240 CC73GCH1H060D CHIP C 6.0PF CC73GCH1H070D CHIP C 7.0PF C242 CK73GF1A105Z CHIP C 1.0UF...
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TK-290-11B PARTS LIST TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C451,452 CK73GB1H102K CHIP C 1000PF C671 CK73HB1H222K CHIP C 2200PF C454 CC73GCH1H101J CHIP C 100PF C672...
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TK-290-11B PARTS LIST TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation X400 L77-1863-05 CRYSTAL RESONATOR (12.0MHZ) RK73GB2A102J CHIP R 1.0K 1/10W X600 L77-1708-05 CRYSTAL RESONATOR (3.579545MHZ) RK73HB1J101J...
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TK-290-11B PARTS LIST TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R405 RK73GB2A332J CHIP R 3.3K 1/10W R493 RK73GB2A100J CHIP R 1/10W R406 RK73GB2A100J CHIP R 1/10W...
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TK-290-11B PARTS LIST TX-RX UNIT (X57-6132-70) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R684 RK73HB1J473J CHIP R 1/16W 2SC4649(N,P) TRANSISTOR ✽ R685 RK73HB1J394J CHIP R 390K 1/16W 2SC5110-F(O) TRANSISTOR...
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TK-290-11B EXPLODED VIEW Control unit (B/6) Control unit (F/6) 67x2 Control unit (A/6) Control unit (D/6) TX-RX unit 26x2 Control unit (E/6) IC801 Final unit : N14-0835-04 : N14-0836-04 M2.6 x 8 : N30-2608-43 D M2.6 x 6 : N67-2606-48...
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TK-290-11B ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator Frequency Range Maximum 600MHz or more. (SSG) Modulation Frequency modulation and external modulation. Output –133dBm/0.05µV to 7dBm/501mV Power Meter Input Impedance 50Ω. Operation Frequency Up to 600MHz.
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TK-290-11B ADJUSTMENT • Panel tuning • PC tuning Connect the wires to the PCB in the connector case of interface cable. For output the wires out of the connector case, need to process the connector case. KPG-36 2: RED (RX AF OUTPUT)
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TK-290-11B ADJUSTMENT Key operations in Panel test mode are as follows. How to Remove the Flat Cable [Selector switch] : Use to select the test channel. 1. Gently draw out both sides of the connector lever uni- [PTT] : For transmit.
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TK-290-11B ADJUSTMENT • Panel tuning mode Note: Different sample displays are shown. Press [Tone 1] in Panel test mode to set Panel tuning mode. Function name Display Remarks Varicap shift voltage (Mid) VSWM 75 VCO –3V adj. [Tone 2] Varicap shift voltage (High) VSWH146 VCO –6V adj.
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TK-290-11B ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.1V 1. Varicap shift 1) Set panel tuning mode DC VTVM TX-RX TP2 Panel SW A/ –3V voltage Push Tone 2 to select SW B VSWM ∗∗...
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TK-290-11B ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.1W 3. TX high 1) Set panel test mode Power meter Panel Panel SW A/ 4.50W power CH No. : 3 SW B 2.3A or less adjustment Signaling No.
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TK-290-11B ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.05kHz 7. Maximum 1) Set panel test mode Power meter Panel Panel SW A/ 3.2kHz deviation CH No. : 3 Deviation SW B (According to the adjustment Signaling No.
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TK-290-11B ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.05kHz 11. DQT 1) Set panel test mode Power meter Panel Panel SW A/ 0.6kHz deviation CH No. : 3 Deviation SW B adjustment Signaling No. : 1 meter Select DQDV∗∗∗...
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TK-290-11B ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 1. AF level 1) Set panel test mode Panel Check 0.55V± 0.3V (VOL. 2) check CH No. : 3 5% or less Signaling No. : 1...
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TK-290-11B ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 6. Squelch 1) Set panel test mode Panel Panel SW A/ Adjust to point of adjustment CH No. : 3 SW B opening squelch Signaling No. : 1...
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TK-290-11B PC BOARD FINAL UNIT (X45-3592-71) Component side view (J79-0071-09) Vcont Ref. No. Address IC801 C802 J79-0071-09 Component side IC801 Layer 1 Layer 2 Foil side FINAL UNIT (X45-3592-71) Foil side view (J79-0071-09) J79-0071-09 Component side Layer 1 Layer 2...
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TK-290-11B PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Component side view (J79-0073-09) J79-0073-09 A/6 (B/6) Ref. No. Address D102 D103 D104 TOP1 TOP2 (SW A) (SW B) J79-0073-09 B/6...
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TK-290-11B PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Component side view (J79-0073-09) – MIC2 INT MIC (N/C) (D/6) (E/6) J79-0073-09 D/6 CN501 CN502 (F/6) Component side J79-0073-09 E/6 TOGGLE SW Layer 1 J79-0073-09 F/6 Layer 2 Layer 3 Layer 4 Foil side...
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TK-290-11B TK-290-11B PC BOARD PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Component side view (J79-0073-09) CONTROL UNIT (X53-3932-71) (A/6) Component side view (J79-0073-09) – J79-0073-09 A/6 MIC2 INT MIC (N/C) (D/6) (E/6) J79-0073-09 D/6 (B/6) CN501 Ref. No. Address D102 D103...
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TK-290-11B PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Foil side view (J79-0073-09) PTTE – Ref. No. Address Ref. No. Address (E/6) (D/6) IC10 J79-0073-09 D/6 (F/6) Component side J79-0073-09 E/6 Layer 1 Layer 2 J79-0073-09 F/6 Layer 3 Layer 4 Foil side...
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TK-290-11B PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Foil side view (J79-0073-09) J79-0073-09 A/6 Ref. No. Address IC101 D101 DGND TOGGLE (B/6) DGND TOGGLE IC101 J79-0073-09 B/6 R104 LAMP R103 TXLED BLED R108 R106...
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TK-290-11B TK-290-11B PC BOARD PC BOARD CONTROL UNIT (X53-3932-71) (A/6) Foil side view (J79-0073-09) CONTROL UNIT (X53-3932-71) (A/6) Foil side view (J79-0073-09) PTTE – J79-0073-09 A/6 Ref. No. Address Ref. No. Address (E/6) (D/6) Ref. No. Address IC101 IC10 D101...
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TK-290-11B PC BOARD TX-RX UNIT (X57-6132-70) Component side view (J79-0070-09) C471 C467 DATI CODE4 C466 C469 CODE3 DATO C465 C470 CODE2 IC404 TCNT C464 CODE1 STONE C462 TXOUT AUDIH C461 RXOUT C468 MUTE C456 IC403 C610 SCALL C457 PTTIO C458...
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TK-290-11B TK-290-11B PC BOARD PC BOARD TX-RX UNIT (X57-6132-70) Component side view (J79-0070-09) TX-RX UNIT (X57-6132-70) Component side view (J79-0070-09) C471 C467 DATI CODE4 C466 C469 DATO CODE3 C465 C470 C234 R215 CODE2 IC404 TCNT C464 STONE CODE1 CN401 R404...
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TK-290-11B SCHEMATIC DIAGRAM TX-RX UNIT (X57-6132-70) C442 1000p GREEN LED ON:4.2V CN404 RED LED OFF:0V D409 ON:4.2V CURRENT DRIVER OFF:0V Q409 VOLTAGE DC SWITCH Q411 2SC4617(S) REFERENCE 2SB1132(Q,R) Q414 Q415 7.5V Q408 2SK1824-A DC SWITCH 2SJ517-E 2SC4617(S) BATT. REVERSE CURRENT CN405 7.5V...
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TK-290-11B SCHEMATIC DIAGRAM TX-RX UNIT (X57-6132-70) Q406 DTA123JE DC SWITCH RXOUT RXIN RXIN IC415 ADDRESS DECODE LATCH IC415 REVERSE CURRENT R437 TC7S02F-F PREVENTION R466 1 INB D404 2 INA 1SS301F 4.9V 3 GND oUTY CLOCK R483 FREQUENCY SHIFT R491 SELF...
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TX-RX UNIT (X57-6132-70) C442 GREEN LED 1000p IC801 ON:4.2V RA07M1317M101 CN404 RED LED ON:4.2V OFF:0V D409 CURRENT DRIVER FIANL UNIT OFF:0V Q409 VOLTAGE DC SWITCH 2SC4617(S) REFERENCE Q411 (X45-3592-71) Q408 7.5V 2SB1132(Q,R) Q414 Q415 2SC4617(S) 2SK1824-A DC SWITCH 2SJ517-E BATT. CN405 REVERSE CURRENT 7.5V...
TK-290-11B TECHNICAL DATA Output power ..........1W Multiple channel mode ......Channel 1~92 and 101~125, (TR-BOS) Few channel mode ........Programmable channels between 1 and 117 Weight ............600g (including battery, antenna and belt clip) ICT approval number ......... D810 143L Battery life ..........
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Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...