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VHF FM TRANSCEIVER
TK-7160
SERVICE MANUAL
© 2004-12 PRINTED IN JAPAN
( )
B51-8705-00 N 1123
Modular jack Key top Panel assy Badge
(E08-0877-05) (K29-9342-01) (A62-1107-13) (B43-1179-04)
RF coaxial receptacle (M)
(E04-0167-05)
DC cord
(E30-3448-05)
CONTENTS
GENERAL .................................................. 2 PACKING ................................................. 27
SYSTEM SET-UP ...................................... 3 ADJUSTMENT ........................................ 28
OPERATING F
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TK-7160 GENERAL 3. PRE-INSTALLATION CHECKOUT INTRODUCTION 3-1. Introduction SCOPE OF THIS MANUAL Each radio is adjusted and tested before shipment. How- This manual is intended for use by experienced techni- ever, it is recommended that receiver and transmitter opera- cians familiar with similar types of commercial grade commu- tion be checked for proper operation before installation. nications equipment. It contains all required service informa- tion for the equipment and is current as of this
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TK-7160 GENERAL / SYSTEM SET-UP 5. INSTALLATION PLANNING – CONTROL STATIONS NOTE 5-1. Antenna system If you do not intend to use the 3.5-mm jack for the external Control station. The antenna system selection depends on speaker, fit the supplied speaker-jack cap to stop dust and many factors and is beyond the scope of this manual. Your sand from getting in. KENWOOD dealer can help you select an antenna system that will best serve your particular needs. 5-2. Radio location Select a convenient loca
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TK-7160 OPERATING FEATURES !4 key 1. Controls and Functions Press to activate its programmable function. The default 1-1. Front Panel setting is None (no function). q we r ty u !5 PTT switch Press this switch, then speak into the microphone to call a station. 1-3. Display io !0 !1 !2 !3 !4 1-2. Microphone Indicator Description !5 Appears when the key programmed as Monitor or Squelch Off is pressed. Appears when the DTMF or 2-tone code of a call matches the code in your transceiver. Appears whil
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TK-7160 REALIGNMENT 3-2. Connection Procedure 1. Modes 1. Connect the TK-7160 to the personal computer with the interface cable. User mode PC mode PC programming mode 2. When the Power is switched on, user mode can be en- tered immediately. When the PC sends a command, the Clone mode PC test mode PC tuning mode radio enters PC mode. When data is transmitted from transceiver, the TX indica- Self programming mode tor blink. When data is received by the transceiver, the BUSY indi- cator blink. Mod
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TK-7160 REALIGNMENT 4-1. Adding the data password. 5. Self Programming Mode If the data password is set in the optional feature menu, Write mode for frequency data and signaling, etc. To be you must enter the password (Master transceiver) to activate used ONLY by the authorized service person maintaining the a clone mode. user’s equipment. After programming, reset the FPU to the You can use 0~9 to configure the password. The maxi- “Self- Programming” disabled mode. Radios CANNOT be mum length
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TK-7160 REALIGNMENT ■ Item Selection Mode ■ Item Setting Mode Display [ ] + Power on Display Current → Self programming mode SELF 1- 1 1. RX frequency 13600000 setting value [ ] Value is not set –––––––– Zone Channel Zone / Channel selection [ ] [ ] [ ] [ ] / [ ] [ ] MHz setting 136 ***** [ ] : Down Zone No. / [ ] [ ] Channel No. selection [ ] : Up [ ] [ ] / [ ] [ ] kHz setting 136 [ ] ***** [ ] [ ] Refer to the [ ] [ ] 1. RX frequency “Item
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TK-7160 REALIGNMENT 3. Insert the KCT-39 cable ( 5 ) into the chassis ( 6 ). The 6. Accessory Connection Cable (KCT-39) wire harness band ( 7 ) must be inside the chassis and The KCT-39 is an accessory connection cable for connect- face down. ing external equipment. The connector has 15 pins and the 4. Connect the KCT-39 to the TX-RX unit as shown in Figure necessary signal lines are selected for use. 5 ( 8 ). Avoid forming the wiring towards 6-1. Installing the KCT-39 in the Transceiver the
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TK-7160 REALIGNMENT / INSTALLATION 7. Ignition Sense Cable (KCT-18) 1. PA/HA Unit (KAP-2 : Option) The KCT-18 is an optional cable for enabling the ignition 1-1. Installing the KAP-2 in the Transceiver function. The ignition function lets you turn the power to the The Horn Alert and Public Address functions are enabled transceiver on and off with the car ignition key. by inserting the KAP-2 relay unit. 7-2. Connecting the KCT-18 to the Transceiver ■ Installation Procedure 1. Install the KCT-39
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TK-7160 INSTALLATION 5. Affix the 20 x 20 x 2.5 mm pad to the 40 x 33 mm transpar- 8. Attach the supplied cable to the CN3 connector of the ent sheet, then attach it to the TX-RX unit printed area as KAP-2 unit and the CN6 connector of the TX-RX unit. shown in Figure 3. 9. Insert the extension cable connector into the CN2 connec- tor of the KAP-2 unit. G11-4353-04 (40 x 33 mm) Note : You must setup using the KPG-99D. IC281 w CN6 q CN3 G13-2065-04 CN2 (20 x 20 x 2.5 mm) CN3 Fig. 3 CN2 E37-1159-05
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TK-7160 INSTALLATION / DISASSEMBLY FOR REPAIR 1. When you remove the panel, turn the transceiver up side 2. External Speaker (Option) down. Detach the panel by lifting the tabs as shown be- 2-1. KES-3 low. The KES-3 is an external speaker for the 3.5-mm-diameter Tabs speaker jack. ■ Connection Procedure 1. Connect the KES-3 to the 3.5-mm-diameter speaker jack on the rear of the transceiver. 2-2. KES-5 External speaker KES-5 can be installed for KAP-2. If KES- 5 is installed, it can be set by ch
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TK-7160 CIRCUIT DESCRIPTION ■ IF Amplifier Frequency Configuration The first IF signal is amplified by Q351, and the enters The receiver utilizes double conversion. The first IF is IC321 (FM processing IC). The signal is heterodyned again 49.95MHz and the second IF is 450kHz. The first local oscil- with a second local oscillator signal within IC321 to create a lator signal is supplied from the PLL circuit. 450kHz second IF signal. The second IF signal is then fed The PLL circuit in the trans
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TK-7160 CIRCUIT DESCRIPTION ■ Wide/Narrow Switching Circuit ■ Squelch Circuit The Wide port (pin 23) and Narrow port (pin 22) of the CPU The detection output from the FM IF IC (IC321) passes is used to switch between ceramic filters. When the Wide through a noise amplifier (Q301) to detect noise. A voltage is port is high, the ceramic filter SW diodes (D332, D331) cause applied to the CPU (IC101). The CPU controls squelch ac- CF301 to turn on to receive a Wide signal. cording to the voltage (S
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TK-7160 CIRCUIT DESCRIPTION ■ Unlock Circuit Transmitter System During reception, the 8RC signal goes high, the 8TC signal ■ Outline goes low, and Q44 turns on. Q43 turns on and a voltage is The transmitter circuit produces and amplifies the desired applied to the collector (8R). During transmission, the 8RC frequency directly. It FM-modulates the carrier signal by signal goes low, the 8TC signal goes high and Q46 turns on. means of a varicap diode. Q45 turns on and a voltage is applied to 8T
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TK-7160 CIRCUIT DESCRIPTION ■ Key Matrix Circuit Control Circuit The TK-7160 front panel has function keys. Each of them The CPU carries out the following tasks: is connected to a cross point of a matrix of the KMI1 to KMO3 1) Controls the WIDE, NARROW, TX/RX outputs. ports of the IC1 LCD driver. The KMO1 to KMO3 ports are 2) Controls the AQUA IC (IC241). always high, while the KMI1 to KMI3 ports are always low. 3) Controls the PLL (IC401). The microprocessor monitors the status of the KMI1 to
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TK-7160 CIRCUIT DESCRIPTION ■ Decode Power Supply Circuit The signal goes to EXTLIMIN (pin 5) of AQUA IC (IC241). When the power switch on the display unit is pressed, the The QT/DQT signal will pass through the low-pass filters in power port on the display unit which is connected port 17 the AQUA IC (IC241) and be decoded within the AQUA IC (POWER), goes low, then port 78 (SBC) goes high, Q42 turns (IC241). The DTMF signal will be decoded within the AQUA on, SB SW (Q41) turns on and power (SB)
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TK-7160 SEMICONDUCTOR DATA Microprocessor : 30622MEP-A01GP (TX-RX unit IC101) ■ Pin Function Pin No. Name I/O Function Pin No. Name I/O Function 1 QT/DQT O QT/DQT output 52 AMPSW O AF AMP SW H : SW off, L : SW on 2 DTMF/MSK O HSD/MSK/BEEP output 53 DT O Common data 3 PLLE O PLL IC chip select 54 CK O Common clock 4,5 NC O 55,56 NC I 6 GND - GND 57 DST1 I Destination 1 H : 25W, L : 50W 7 CNVSS - CNVss for flash 58 DST2 I Destination 2 8 EVLLD O E-Volume LD 59 DST3 I Destination 3 9 BSHIFT O Beat
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TK-7160 COMPONENTS DESCRIPTION Display Unit (X54-3510-10) Ref. No. Parts name Description Ref. No. Parts name Description Q242,243 Transistor AQUA beat shift IC1 IC LCD controller Q281 Digital transistor AF mute Q1 Transistor Dimmer function switch Q282 Transistor AF mute Q2 Transistor LCD backlit switch Q301 Transistor SQL amplifier Q3 Transistor KEY backlit switch Q341 Transistor Buffer amplifier Q4 Transistor DC switch Q351 Transistor IF amplifier Q7,8 Transistor DC switch Q352 FET Mixer D1~6
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TK-7160 PARTS LIST ✽ New Parts. indicates safety critical components. L : Scandinavia K : USA P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Europe 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-7160 (Y51-5060-XX) DISPLAY UNIT (X54-3510-10) TX-RX UNIT (X57-7080-10) New Desti- New Desti- Ref. No. Address Parts No. Description Ref. No.
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TK-7160 PARTS LIST TX-RX UNIT (X57-7080-10) New Desti- New Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C46,47 CK73GB1H221K CHIP C 220PF K C256 CK73GB1H331K CHIP C 330PF K C48 CK73GB1H102K CHIP C 1000PF K C257 CC73HCH1H090B CHIP C 9.0PF B C49 C92-0721-05 ELECTRO 330UF 25WV C259 CK73HB1H221K CHIP C 220PF K C50-53 CK73GB1H102K CHIP C 1000PF K C260 CK73GB1A474K CHIP C 0.47UF K C54,55 CK73GB1C104K CHIP C 0.10UF K C261 CK73HB1A104K CHI
