Realistic TRC- 9A/1 1 Скачать руководство пользователя | Manualshive

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Содержание TRC- 9A/1 1

Страница 1: ...Service Manual TRC 9A 1 1 3 CHANNEL 6 CHANNEL C B MOBILE TRANSCEIVER Catalog Number 21 139 141 CUSTOM MANUFACTURED FOR RADIO SHACK A TANDY CORPORATION COMPANY ...

Страница 2: ...OSITION 4 6 BLOCK DIAGRAM 5 7 WIRING DIAGRAM 5 8 P C BOARD TOP VIEW 6 9 P C BOARD BOTTOM VIEW 6 10 TROUBLE SHOOTING 7 11 PARTS LIST 8 12 12 SUB P C BOARD 12 13 SUB P C BOARD PARTS LIST 13 14 SEMICONDUCTOR LEAD IDENTIFICATION 13 15 SCHEMATIC DIAGRAM FOR SUB P C BOARD 13 16 SCHEMATIC DIAGRAM TRC 9A 14 17 SCHEMATIC DIAGRAM TRC 11 15 ...

Страница 3: ...30 dB at 10 KHz Intermediate frequency 455 kHz with ceramic filter Signal to noise ratio More than 40 dB at 1mV input Squelch sensitivity Threshold less than 1AV Tight 50AV 3mV Tight 5000 Audio output 1 2 watts More than 0 8 watt Max power 10 distortion More than 0 65 watt 1 watt RF output 3 watts 2 5 watts Power input 5 watts max Modulation Below 100 Antenna impedance 50 ohms unbalanced Speaker i...

Страница 4: ... DISASSEMBLY Removal of the cavinet Step 1 Remove 2 mounting braCket screws A as shown and remove the mounting bracket Step 2 Remove 2 screws B as shown from the rear Step 3 Pull out the chassis from the front ...

Страница 5: ...Max counter clockwise CH A position 27 065 MHz TRC 9A 27 085 MHz TRC 11 V T V M Parallel with 8 ohm dummy load connected to J2 Signal generator through 100 pF to the base of Q2 2SC371 Freq 455 kHz Mod 1 kHz 30 T3 YEL T4 WHT T5 B LK Max output on voltmeter 2 fl V T V M Parallel with 8 ohm dummy load connected to J2 Signal generator to J1 Freq 27 065MHz TRC 9A 27 085MHz TRC 11 Mod 1 kHz T1 2 Max out...

Страница 6: ...3 8 volts 2 Press the P T T SW II T9 10 Max power output 3 L5 6 Peak on the Power meter and dip on the ammeter to get 3 watts output at J1 or max output 4 Power meter 50 ohms to J1 1 A ammeter in series with lead between modulation winding of T8 and collector of Q14 Vary supply voltage from 15 to 12 volts T9 If no output adjust T 9 to assure output at both voltage extremes 5 Audio frequency genera...

Страница 7: ...RAM ANT Q1 RF RX XTAL Q2 MIX Q5 RX OSC Q3 1st IF Q7 Q4 2nd IF D3 D4 DET ANL VOL SQ SQ Q10 AF POWER Q6 Q8 Q9 MIC MIC AMP AF AF Q11 AF POWER TRC 9A and TRC 11 WIRING DIAGRAM Note 6 crystal sockets with lead wires wires color BRN RED and ORG are TRC 9A 5 ...

Страница 8: ...P C BOARD TOP VIEW 1 R64 is used for TRC 11 only 2 Crystal socket D E and F used for TRC 11 only P C BOARD BOTTOM VIEW ...

Страница 9: ...t light A Defective pilot lamp or resistor R63 B TRC 11 only Defective channel indicator lamp or resistor R64 C Short circuit in the B Circuit 4 Pilot lamp comes on but no sound on any channel A Faulty EXT Speaker jack J2 B Poor crystal socket contact or crystal loose in socket C Defective zener diode D5 D Weak crystal 5 Transmitter does not operate or no modulation A Faulty P T T switch B Defecti...

Страница 10: ...Knob TRC 11 only K 1074 GE 18D 4433 Lamp 1 Pilot Lamp 7V 50mA L 190mm L 0263 Lamp 2 Channel indicator lamp TRC 11 only L 0263 7V 50mA L 190mm Lamp Jewel HB 0706 GE 17D 3438 Lamp Holder TRC 11 only LH 141 Fuse 2A P C Board X 4269 GE 18C 4305 J1 Antenna jack connector J 6244 SO 239 273 J2 Speaker Jack J 0592 JA C 011 SPK Speaker S 4335 P0642AA Line cord strain relief HB 0705 SR 3P 4 Rubber bushing G...

Страница 11: ...CITORS C62 C63 C64 Electrolytic 4 7 AF 16WV Ceramic 0 001µF Ceramic 0 04µF CE04W IC470B MC 60 MC 100 RESISTORS R66 69 R67 R68 Carbon film 10KS2 1 4W 5 Carbon film 47K2 1 4W 5 Carbon film 1K2 1 4W 5 ELR 1 4 103J ELR 1 4 473J ELR 1 4 102J SEMICONDUCTORS Q15 D10 Transistor Silicon Toshiba Diode Silicon 2SC373 1N60 MISCELLANEOUS P C Board GE 19D 4788 ...

Страница 12: ...EL SW 2 SW2 POWER SW W VR1 3 RESISTANCE VALUES IN OHMS K 1000 4 CAPACITANCE VALUES IN MF P MMF 5 VOLTAGES ARE MEASURED WITH V T V M UNDER FOLLOWING CONDITIONS VOLUME MINIMUM SQUELCH MAXCLOCKWISE TRC 9A CAT No 21 139 ...

Страница 13: ...L CONT 3 RESISTANCE VALUES IN OHMS unless otherwise indicated K 1000 4 CAPACITANCE VALUES IN MF unless otherwise indicated P MMF 5 VOLTAGES ARE MEASURED WITH V T V M UNDER FOLLOWING CONDITIONS VOLUME MINIMUM SQUELCH MAX CLOCKWISE TRC 11 CAT No 24 141 ...

Страница 14: ... FORT WORTH TEXAS 76107 CANADA BARRIE ONTARIO CANADA L4M 4W5 TANDY CORPORATION AUSTRALIA BELGIUM 280 316 VICTORIA ROAD PARC INDUSTRIEL DE NANINNE BILSTON ROAD RYDALMERE N S W 2116 5140 NANINNE WEONESBURY STAFFS WF10 7JN 6A4 4000 Printed in Japan U K ...

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