Page 2 - INTRODUCTION; SCOPE OF THIS MANUAL; ORDERING REPLACEMENT PARTS; LICENSING REQUIREMENTS; GENERAL
TK-7150 2 INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced techni- cians familiar with similar types of commercial grade commu-nications equipment. It contains all required service informa-tion for the equipment and is current as of this publicationdata. Changes which...
Page 3 - SERVICE
TK-7150 3 5-2. Radio location Select a convenient location for your control station radio which is as close as practical to the antenna cable entry point.Secondly, use your system’s power supply (which suppliesthe voltage and current required for your system). Make suresufficient air can flow around...
Page 4 - OPERATING FEATURES; Controls and Functions
TK-7150 4 OPERATING FEATURES 1. Controls and Functions 1-1. Front Panel q w e r !0 t y u o i !1 !2 1-2. Microphone !3 q Volume Control Rotate to adjust the volume level. Clockwise increasesthe volume and counterclockwise decreases the volume. w Display (See right.) e Selector Rotate to select a Zone...
Page 5 - REALIGNMENT; How to Enter Each Mode
TK-7150 5 REALIGNMENT 1. Modes 3. Panel Test Mode Setting method refer to “ADJUSTMENT”. 4. Panel Tuning Mode Setting method refer to “ADJUSTMENT”. 5. PC Mode 5-1. Preface The transceiver is programmed by using a personal com- puter, programming interface (KPG-46) and programmingsoftware (KPG-79D). T...
Page 7 - Installing Name Plate; • Extracting tool; INSTALLATION
TK-7150 7 1. Installing Name Plate Punch out the name plate card. Then insert the plates onto the relative function keys. You can reconfigure the name plates at any time. 3. External Speaker (KES-5) The external speaker output from the accessory connector (6 pin) on the rear of the transceiver is 13...
Page 8 - Use as Public Address Speaker
TK-7150 8 4. Use as Public Address Speaker 1. Remove the short plug from the 6-pin accessory connec- tor on the rear of the radio. (Remove the jumpers as de-scribed in Section 3-1.) 2. Cut off the end of the protective cover, insert the speaker cable into the protective cover, and insert it into pin...
Page 10 - Horn Alert Function; Wiring of the Cable for Installing the
TK-7150 10 INSTALLATION 8. Horn Alert Function The HR1 and HR2 pin of the accessory connector (25-pin) on the rear of the transceiver is a relay and maximum currentis 1A. 8-1. Modification 1. Remove the cabinet and shielding cover from the trans- ceiver. 2. Remove the panel.3. Remove the short plug ...
Page 11 - Special Instructions for Replacing the
TK-7150 11 INSTALLATION 9. Special Instructions for Replacing the Final Amplifier Q5 To replace the Final Amp Q5, ensure to follow the instruc- tions given below: 9-1. C89 and C90 Positions 1. Ensure to solder C89 and C90 to securely contact Q5. Note : The TX power may vary depending on the position...
Page 12 - CIRCUIT DESCRIPTION; Receiver circuit
TK-7150 12 CIRCUIT DESCRIPTION 1. Outline The TK-7150 is a VHF/FM transceiver designed to operate in the frequency range of 136 to 174MHz. Transmission out-put power is 50 watts. The maximum channel capacity is128. The unit consists of receiver, transmitter, phase-locked loop (PLL) frequency synthes...
Page 13 - Transmitter Circuit; -3. Driver and Final Power Amplifier Circuit
TK-7150 13 2-4. Audio Amplifier The recovered audio signal obtained from IC201 is ampli- fied and anti-aliasing filtered by IC712 (A/2), inputted to theAINR terminal of CODEC IC (IC713), and audio processed byDSP (IC710). The processed audio signal from AOUTR termi-nal of IC713 is amplified and filt...
Page 14 - PLL Frequency Synthesizer; PLL circuit
TK-7150 14 3-4. Automatic Power Control, Circuit and Transmitter The automatic power control (APC) circuit stabilizes the transmitter output power at a predetermined level, and con-sists of forward/reflected power detector circuits. The for-ward/reflected power detector circuits detects forward RFpo...
Page 16 - SEMICONDUCTOR DATA
TK-7150 16 1-1. Pin Function Pin No. Name I/O Function 1 I/O Go to port check mode L : Port check mode, H : User mode 2 WN O Wide/Narrow H : Narrow, L : Wide 3 8RC O 8R Control H : 8R on, L : 8R off 4 INTx O INT Request to DSP L : INT request 5 STR O VCO TX/RX H : TX VCO, L : RX VCO 6 BYTE +5V 7 CNV...
Page 20 - COMPONENTS DESCRIPTION
TK-7150 20 1. Display Unit (X54-3400-10) Ref. No. Part Name Description IC901 IC Voltage regulator IC902 IC Voltage detector IC904 IC CPU Q901 FET MIC switch Q902 FET DC switch Q903 Transistor Current driver Q904~908 Transistor DC switch Q909,910 Transistor Inverter Q911 Transistor DC switch D902~90...
Page 22 - PARTS LIST; CAPACITORS
TK-7150 22 PARTS LIST Chip capacitor Code L W T Empty 5.6 ± 0.5 5.0 ± 0.5 Less than 2.0 A 4.5 ± 0.5 3.2 ± 0.4 Less than 2.0 B 4.5 ± 0.5 2.0 ± 0.3 Less than 2.0 C 4.5 ± 0.5 1.25 ± 0.2 Less than 1.25 D 3.2 ± 0.4 2.5 ± 0.3 Less than 1.5 E 3.2 ± 0.2 1.6 ± 0.2 Less than 1.25 F 2.0 ± 0.3 1.25 ± 0.2 Less t...
Page 32 - EXPLODED VIEW; Pats with the exploded numbers larger than 700 are not supplied.
TK-7150 32 EXPLODED VIEW A B 1 2 3 Black Red 1 28 26 27 27 25 25 22 36 23 19 25 14 30 12 15 8 29 6 13 101 W1 S1 41 11 45 40 31 40 31 2 48 (A/2) 48 (B/2) C G 701 G G G E E E E E E C E Ex2 Cx2 Ex2 TX-RX unit E 706 704 D B 705 G G A A Fx2 F Fx3 Fx3 702 703 E 24 A : N09-2409-05 B M7 : N10-2070-46 C M3 x...
Page 33 - PACKING
TK-7150 33 Pats with the exploded numbers larger than 700 are not supplied. PACKING C D 1 2 3 5 Instruction manual (B62-1619-00) 33 Item carton case (H52-1894-02) 46 Microphone (T91-0621-15) 4 Name plate (B11-1297-04) 9 DC cord assy (E30-3478-05) 37 Bracket (J29-0697-03) 43 Screw set (N99-2033-05) 3...
Page 34 - ADJUSTMENT; When the Function is Off (
TK-7150 34 ADJUSTMENT 1. Key Functions 1-1. Front Panel SCN SP OP OS A B MON CALL Volume Display Selector Power switch PF5 PF1 PF2 PF4 PF3 PF6 1-2. Panel Test Mode ■ When the Function is Off ( does not appear) Controls Function PF1 Test channel down PF2 Test channel up PF3 Test mode/Tuning mode chan...
Page 37 - Test Equipment Required for Alignment
TK-7150 37 4. Test Equipment Required for Alignment Test Equipment Major Specifications 1. Standard Signal Generator Frequency Range 136 to 174MHz (SSG) Modulation Frequency modulation and external modulation Output 0.1 µ V to greater than 1mV 2. Power Meter Input Impedance 50 Ω Operation Frequency ...
Page 38 - Warnings When Removing or Installing
TK-7150 38 ADJUSTMENT 5. Warnings When Removing or Installing the Shielding Cover 1. When handling with the shielding cover, do not damage the components on the TX-RX unit. 2. When installing the shielding cover, insert the cover from the rear side. 3. When removing the shielding cover, squeeze the ...
Page 45 - PC BOARD
A B C D E F G H I J K L M N O P Q R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Q901 G S D Q903 E B C Q904 Q908 Q909 Q910 Q911 L901 L902 R902 R904 1 ME MIC E RESET TXD RXD E PSW SB IRS ES2 11 R905 R906 R907 R913 R914 R915 R916 R917 R918 R919 CN901 CN902 R920 1 E VCC CE CL DI DO DISP LEDA LEDK NC 10 CN905 CN9...
Page 50 - SCHEMATIC DIAGRAM; SP OP; SCN
A B C D E F G H I J K L M N O P Q R S T 1 2 3 4 5 6 7 58 SCHEMATIC DIAGRAM TK-7150 Note : Components marked with a dot (•) are parts of layer 1. 4.76V 13.20V 13.49V 4.76V 4.67V ON:1.76V 8.29V 4.76V 8.29V 4.94V 7.48V 4.76V 8.88V 4.76V 5.96V 5.96V 4.76V ON:1.90V CN901 E40-5538-05 1 2 C916 100p C915 10...
Page 52 - BLOCK DIAGRAM
TK-7150 TK-7150 64 BLOCK DIAGRAM 4.9152MHz PC TV APC MA4PH633 XB15A709 2SC3357 Mixer 2SK508NV(K52)x4 2SC3357 2SC3357 HVC131 TA75W01FU 1SV228 RD70HVF1 PD55003S 12.0dB Pout= 48.5dBm Idø=1.5A 19.0dB Idø=150mA 36dBm 17.0dBm 17.0dBm 10.0dB Idø=10mA 10dBm ± 2dB 50 Ω 50 Ω 50 Ω 50 Ω BATT TA31136FN DET AMP 1...
Page 53 - WIRING
T K-715 0 65 WIRING IRS ES1 ES2 OS1OS2 IGN 1 6 +B GND CN102 NC RXD2 TXD2 MI2 AO3 E DI RXD3 AI4 SB AO2 E AI2 TXS TXD3 HR1 AFO E AI1 DEO AO1 AO4 ME HR2 AI3 J700 1 BUSYEMG AUX KEY INH E TCNT STON 8C DATA PTOADETONCNC 14 CN700 NC RXI 14 BC2 TXI 8C BC3 1 RXOPTOS NC CN701 AC TXO BC4 E BC1 IRS E 11 RXD ME ...
Page 54 - TERMINAL FUNCTION
TK-7150 66 TERMINAL FUNCTION 1. Display Unit (X54-3400-10) (A/2) Pin No. Name Description CN901 (To remote speaker) 1 IRS BTL output for remote speaker output. 2 ES2 BTL output for remote speaker output. CN902 (To TX-RX unit) 1 ME MIC ground. 2 MIC MIC signal output. 3 E Ground. 4 RESET Reset signal...
Page 56 - TERMINAL FUNCTION / OPTIONS
TK-7150 68 Pin No. Name Description 14 SB Power output after power switch. 13.6V ± 15%, 1.1A max. at 25 ° C, 0.8A max. at 60 ° C 15 TXS TX sense signal output. Active high with 10k Ω pull-up to 5V. L ≤ 0.3V, H ≥ 4.8V 16 HR1 Horn alert signal output 1. 1A max. 17 AFO Filtered audio output (DC coupled...
Page 57 - SPECIFICATIONS; RECEIVER
TK-7150 69 SPECIFICATIONS GENERAL Frequency Range ............................................ 136~174MHz (K)Number of Channels (Zone) ............................ Conventional CH : Max.128 (1 zone x 128ch~128 zones x 1ch) Trunking ID : Max. 250/zone (max. 32 zones) Channel Spacing ....................
Page 58 - KENWOOD CORPORATION
KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, Japan KENWOOD SERVICE 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 DEUTSC...