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TR-50 Part List 1 

 

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TR-50 Part List 1 

 

No. 

Part No. 

Description 

Ref. Symbol. 

Location 

Sum. 

01031002 

Resistor 0603

 

10

 

R20 

T1B 

01033932 

Resistor 0603

 

39K

 

R17 

T1B 

01051022 

Resistor 0805

 

1K

 

R3 

T3B 

01051032 

Resistor 0805

 

10K

 

R11 

T1A 

 

01051032 

Resistor 0805

 

10K

 

R6 

T4A 

 

01051032 Resistor 

0805

 

10K

 

J

 

R16 

T1B 

01051202 

Resistor 0805

 

12

 

R21 

T1B 

 

01051202 

Resistor 0805

 

12

 

R18 

T3C 

 

01051202 

Resistor 0805

 

12

 

R19 

T1B 

10 

01051222 

Resistor 0805

 

1.2K

 

 J 

R14 

T5C 

11 

01051532 

Resistor 0805

 

15K

 

R7 

T4A 

12 

01052022 

Resistor 0805

 

2K

    J 

R9 

T2A 

13 

01053022 

Resistor 0805

 

3K

    J 

R22 

T1A 

 

14 

01053022 

Resistor 0805

 

3K

    J 

R10 

T2A 

15 

01054712 

Resistor 0805

 

470

 

R4 

T4B 

16 

01055122 Resistor 

0805

 

5.1K

 

J

 

R5 

T4B 

17 

01061022 

Resistor 1206

 

1K

    J 

R8 

T5A 

18 

0122473H 

Trimmable resistor

 

47K

 

MVR22HXBRN473 

VR1 

T3B 

19 

02051043 

Capacitor 0805

 

0.1uF

 

K

 

25V 

C10 

T1B 

 

20 

02051043 

Capacitor 0805

 

0.1uF

 

K

 

25V 

C11 

T1B 

21 

02054713 

Capacitor 0805

 

470P

 

K

 

50V 

C1 

T4B 

 

22 

02054713 

Capacitor 0805

 

470P

 

K

 

50V 

C2 

T5A 

 

23 

02054713 

Capacitor 0805

 

470P

 

K

 

50V 

C5 

T4A 

 

24 

02054713 

Capacitor 0805

 

470P

 

K

 

50V 

C6 

T4A 

25 

02054733 

Capacitor 0805

 

0.047uF

 

K

 

25V 

C9 

T1B 

26 

02054743 

Capacitor 0805

 

0.47uF

 

K

 

16V 

C7 

T1B 

27 

0417AV70 

Double diode

 

 BAV70 

D4 

T5A 

 

28 

0417AV70 Double 

diode

 

 BAV70

 

D8 

T1B 

29 

0417AW56 

Double diode

 

 BAW56 

D2 

T2A 

30 

0501798D 

PNP

 

2SB798-T1(DK) 

Q3 

T5A 

31 

0506114E 

Bias Resistor, NPN

 

DTC114EE(TL) 

Q5 

T1A 

32 

05173906 

PNP

 

MMBT3906 

Q2 

T5A 

 

33 

05173906 

PNP

 

MMBT3906 

Q4 

T5A 

 

34 

05173906 

PNP

 

MMBT3906 

Q6 

T1A 

35 

07LM3860 

OP Amp NJM386M 

IC2 

T1B 

36 

18002802 

TR-50

 

CNPCB

 

FR4 1.2T/2L/1 

 

 

 

 

Summary of Contents for TR-50 Series

Page 1: ...TR 50 PORTABLE REPEATER ...

Page 2: ... Brief Introduction 2 Theory of Operation 4 Alignment Calibration 6 Part List 1 9 Assembly and Disassembly for Repair 11 Exploded View 12 Part List 2 13 Packing 14 PCB Board View 15 Schematic Diagram 17 Specifications 19 ...

Page 3: ...re verified secure and any open connectors are properly terminated z SHUT OFF and do not operate this equipment near electrical blasting caps or in an explosive atmosphere z When in vehicles with an airbag do not place a repeater in the area over an airbag or in the airbag deployment area z DO NOT expose the repeater to direct sunlight for a long time nor place it close to a heating source z DO NO...

Page 4: ...turns red when the power is on Rotate counter clockwise to turn the repeater off until a click is heard When the repeater is on turn the Knob to adjust volume Suggestion adjust volume to the lowest while Monitoring is unnecessary 3 RJ45 Programming I O Port Used by the dealer to program the repeater s receiver and transmitter respectively 4 Speaker Used to monitor the communication status of curre...

Page 5: ...n on the switch to enter AC power supply mode 8 AC Power Switch 9 DC Power Inlet The float charging function will operate in AC power supply mode with external gel cell batteries connected When AC mains power is lost it will auto revert to the back up battery supply without mechanical relay ...

Page 6: ...is used to adjust the receive audio output to the proper level for transmit audio deviation III Float Charging Function The TR 50 provides selectable AC 100 240V ac power supply Normally users can equip battery back up system connected to the external DC jack with floating charge function in the mean time This provides auto revert to DC battery once the AC mains fails IV Fan Control This repeater ...

Page 7: ...urrent channel VI Definition for control ports The definition of all the pins goes as follows 1 J3 1pin NC 2pin TLED 3pin MIC Transmitter 4pin PTT 5pin TLED 6pin RLED 7pin SP 8pin RLED Receiver 9pin Rx AF 10pin COR 2 J6 1pin ETxD 2pin ERxD Transmitter 3pin ATxD 4pin ARxD Receiver 3 RJ45 EXT 1pin ARxD 2pin MIC 3pin ATxD 4pin ERxD 5pin GND 6pin ETxD 7pin EXT PTT 8pin SB 8V ...

Page 8: ...Adjustment 1 Power supply Measurement Adjustment Item Condition Test Instrument Test Point Part Method Specification Remarks DC output voltage Digital Voltmeter DC output terminal Potentiometer in Switch power supply Use ceramic adjuster to adjust till the voltage is within requirement 13 8 0 2V 2 Power Supply for receiver and transmitter Measurement Adjustment Item Condition Test Instrument Test ...

Page 9: ...5 0125MHz CTCSS 67 0Hz 3CH 455 0125MHz CDCSS 025 Transmitter 1CH 465 0125MHz 2CH 465 0125MHz CTCSS 67 0Hz 3CH 465 0125MHz CDCSS 025 Relay deviation Turn to CH1 and enter duplex mode With Transmitter connected to RF in port and receiver to Dual out port Align the output of RF GEN to 455 0125MHz BPF 0 3 3KHz AF OUT 1KHz 150mV Antenna VR3 Use ceramic adjuster to rotate VR3 until the deviation is with...

Page 10: ...0 Alignment Calibration 8 Duplex sensitivity Turn to CH1 and operate in duplex mode BPF 0 3 3KHz AF OUT 1KHz 150mV Antenna Check Sensitivity squelch on transceiver 119 3dBm Sensitivity squelch off 120 3dBm ...

Page 11: ...6 01055122 Resistor 0805 5 1KΩ J R5 T4B 1 17 01061022 Resistor 1206 1KΩ J R8 T5A 1 18 0122473H Trimmable resistor 47KΩ MVR22HXBRN473 VR1 T3B 1 19 02051043 Capacitor 0805 0 1uF K 25V C10 T1B 20 02051043 Capacitor 0805 0 1uF K 25V C11 T1B 2 21 02054713 Capacitor 0805 470P K 50V C1 T4B 22 02054713 Capacitor 0805 470P K 50V C2 T5A 23 02054713 Capacitor 0805 470P K 50V C5 T4A 24 02054713 Capacitor 0805...

Page 12: ...10155 1206 TMCSA1A155MTR 1 5UF 10V M C3 T3C 1 38 T0616106 Ta capacitor1206 TMCMA1C106MTR 10uF 16V C8 T1B 39 T0616106 Ta capacitor1206 TMCMA1C106MTR 10uF 16V C13 T1B 2 40 T0635104 Ta capacitor1206 TMCSA1V104MTR 0 1uF 35V M C4 T3C ...

Page 13: ...ews on the rear side of main unit and the four on the bottom of the main unit together with the rubber gasket Pull out the outer cover 2 Remove the four screws fixing the duplexer and then remove those fixing the transceiver 3 Remove the screws fixing transmitter power supply and control board 4 Remove the accessories such as fan and Jack ...

Page 14: ...TR 50 Exploded View 12 Exploded View ...

Page 15: ...3 6 Screw zinc plated black 12 0950100710 TR50 Control Board 13 1413201A TR50 Machine case 14 1513000A TR50 Knob vol 15 1713008A Sponge gasket SP 16 13130805 Speaker 17 1713009A Fast bar washer 18 14026010 Screw M3 6 19 1904020A MC 500N Switching power supply 20 14090360 M3 6 Screw zinc plated black 21 14090360 M3 6 Screw zinc plated black 22 08MODUP10000 TR 50 duplexer 23 14090430 M4 Hex nut 24 1...

Page 16: ...TR 50 Packing 14 Packing ...

Page 17: ......

Page 18: ......

Page 19: ... 8 9 10 J3 CON10 1 2 D6 1 2 3 Q5 DTC114EUA C9 0 047uF C8 10uF R11 10K R16 10K 1 2 D7 1 2 3 4 5 6 7 8 RJ45 EXT C7 0 47uF C10 0 1uF R14 1 2K 3 2 1 Q6 MMBT3906 C11 0 1uF R20 10Ω R21 12Ω VR3 47K R17 10K 47K C12 220uF R12 12Ω SP SP GND GND GND GND GND GND 8V 13V RLED NC TLED TLED SP 0Ω R23 39K R22 8V 1 2 3 4 J6 CON4 ATxD ARxD ETxD ERxD EXT MIC EXT PTT R15 12Ω GND REPEATER INTERFACE COMMUNICATION BOARD ...

Page 20: ... CON2 C5 470p R8 1K 1 4W VR1 10K Q1 PSS8550D 1 2 J1 CON2 R6 10K R2 1KΩ 2W VR2 10K 负温 3 1 2 Q2 MMBT3906 D4 BAV70 C2 470pF F1 3A C1 470pF R9 2K C6 470p 3 1 2 Q3 2SB798 3 1 2 Q4 MMBT3906 VIN 3 ADJ 1 VOUT 2 U1 LM317T R4 470Ω R1 0 22Ω 2W C4 1 5uF 10V C3 0 1uF D3 9 1V 1A 4 1 2 3 D1 KBPC606 1 2 3 J4 CON3 R3 270Ω R7 15K 1 2 3 J5 CON3 GND GND GND GND GND GND GND GND GND GND PTT 8V 12V DC 13 8V SW1 POWER MA...

Page 21: ...wer 5W Transmitter Spurious Radiation 50uW Modulation Limit 5 0KHz Occupied Bandwidth 8 5KHz Adjacent Channel Power Rejection 55dB Modulation AF Distortion 5 Receive Sensitivity 0 3uV 12dB SINAD Co channel Rejection 8dB Blocking 85dB Inter modulation Rejection 50dB Adjacent Channel Selectivity 50dB Receiver Spurious Radiation 20nW Receive AF Distortion 5 ...

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