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Ranger Communications RCI-2950 DX, Manual

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Ranger Communications RCI-2950 DX Manual Download Page 16

 

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Summary of Contents for RCI-2950 DX

Page 1: ...Introduction 11 4 1 Frequency Selection 11 4 2 Frequency Scanning 11 4 3 Offset Frequency Operation 13 CHAPTER 5 CIRCUIT DESCRIPTION 5 0 Introduction 14 5 1 PLL Circuit 14 5 2 Receiver Circuit 14 5 3...

Page 2: ...2950 DX RCI 2970 DX 7 3 4 W x 10 3 4 L x 2 3 8 H 7 3 4 W x 10 3 4 L x 3 7 8 H Weight For RCI 2950 DX RCI 2970 DX 4 lb 3 oz 7 lb 6 oz 1 1 TRANSMITTER RF Power Output RCI 2950DX AM FM CW 10 W SSB 25 W...

Page 3: ...des The 10 most commonly used frequencies can be pre programmed by the user for easy channel access 2 1 RCI 2950 DX RCI 2970 DX FEATURES 25 Watts PEP of Output Power RCI 2950 DX 150 Watts PEP of Outpu...

Page 4: ...ove Figure 3 1 for the location of the following controls 1 FREQUENCY SELECTOR This control is used to select a desired transmit and receive frequency 2 RF POWER CONTROL This control allows the user t...

Page 5: ...TCH This switch allows you to select one of the following operating modes FM AM USB LSB CW PA 9 NB ANL BUTTON NB ANL In the NB ANL position the RF Noise Blanker and Aotumatic Noise Limiter in the audi...

Page 6: ...ntrol 20 LOCK BUTTON LOCK This button is used to lock a selected frequency Press it to activate the switch In this position it disables the Frequency Selector Control up down buttons on the front cont...

Page 7: ...switch in the CW position 3 EXT SP This jack accepts 4 to 8 ohms 5 watts external speaker When the external speaker is connected to this jack the built in speaker will be disabled 4 PA SP This jack i...

Page 8: ...ating mode position FM AM USB or LSB modes are for your voice communications In the CW position you can transmit CW if you have connected an external key to the accessory jack provided on the back of...

Page 9: ...utton will advance the channel number from 0 to 9 4 Select the desired frequency you wish to store in memory 5 Press the ENT button 6 Repeat the same procedure to program other memory channels 3 3 7 M...

Page 10: ...nuous Tone Coded Squelch System encoding device installed 3 3 10 PROCEDURE TO RECEIVE 1 Be sure that power source microphone and antenna are connected to the proper connectors before going to the next...

Page 11: ...Proceed to rotate the frequency select knob clockwise to increase the frequency Rotate the frequency select knob counterclockwise to decrease the frequency 3 The third method of selecting the operatin...

Page 12: ...ram the desired frequencies into the radio memory This can be accomplished by performing the following steps 1 With the radio operating in the manual mode press the PRG Program key 2 Press the MEM Mem...

Page 13: ...Press the SPLIT key The LCD display window will display 00000 with PRG and SPLIT being displayed in the lower left hand corner 3 Using the SHF key and the Up and Down arrows as described earlier progr...

Page 14: ...then filtered by L8 L9 and L10 then into the AM FM IF section of the receiver depending on the mode of operation The signal is then detected by either the AM detector FM detector and then fed to the a...

Page 15: ...15...

Page 16: ...16...

Page 17: ...17 RCI 2950 DX RCI 2970 DX CPU CIRCUIT DIAGRAM...

Page 18: ...MEASUREMENT PLL 2 VCO Voltage Set radio to 24 890 MHz AM RX mode Frequency setting at 29 699 MHz Connect Multimeter to TP10 L14 1 0 VDC 0 1 4 5 VDC PLL 1 VCO Voltage Set radio to 24 890 MHz AM RX mod...

Page 19: ...50 mA 50 mA 100 mA AM TX Power Set radio to 28 000 MHz AM TX mode Modulation off Connect short PCB to TP7 and TP9 Set RF PWR Fully Counter Clockwise Connect RF Power Meter to antenna jack VR15 VR19 1...

Page 20: ...V Mod off L11 L12 Audio Output 2V S N 10 dB FM Distortion Set radio to 28 000 MHz FM RX mode Set MODE switch to FM mode RF SG setting 28 000 MHz 1mV Mod 3KHz L4 Audio Output 3V Distortion 10 NB Adjust...

Page 21: ...21 Figure 6 2 Receiver test setup...

Page 22: ...cted without periodic inspection and maintenance Important points to be checked regularly are as follows Check Item Action Whip antenna option If cracked or broken replace it Coaxial cable If sheath i...

Page 23: ...al and mechanical parts is included in the parts list The reference designators are in alphanumeric order 8 1 ORDERING REPLACEMENT PARTS Parts orders should be referred to the parts department at Rang...

Page 24: ...SW P C B ITEM REFERENCE NUMBER RANGER PART NUMBER DESCRIPTION 1 EPT295090A CH SW P C B 2 PCB CONN S 3PIN COPPER SIDE CC0501037L 0 01 F 50WV 3 CH SW P C B EWRT32051S ROTARY SW 4 CH SW P C B EX07N41216...

Page 25: ...NUMBER RANGER PART NUMBER DESCRIPTION 1 EPT360041Z SWR P C B 2 R402 RCP141014Z 100 OHM 1 4W 3 R401 RCP141214Z 120 OHM 1 4W 4 C401 C402 CC0501037L 0 01 F 50WV 5 D401 D402 ED1N00060P DIODE 1N60P 6 JP2...

Page 26: ...C B 2 R904 RCU141094Z 1 OHM 1 4W 3 R905 R906 RCU142204Z 22 OHM 1 4W 4 R902 RCM141024A 1K OHM 1 2 W 5 R911 RCP121034Z 10K OHM 1 2W 6 L902 RCP101004Z 10 OHM 1W 7 R903 RCP202204Z 22 OHM 2W 8 R910 RE1030...

Page 27: ...CD5005614Z 560PF 500WV 21 C909 CD5008214Z 820PF 500WV 22 C919 CX0071037Z HV DISC C 0 01Uf 23 C922 CE0162277Z 220 F 16WV 24 C938 CE0352277Z 220 F 16WV 25 TR903 T2SD02531Z TR 2SD2531 26 TR901 TR902 T2S...

Page 28: ...PART NUMBER DESCRIPTION 1 EPT295050Z VR P C B A 2 C501 C505 CC0501027L 0 001 F 50WV 3 RF MIC RV10203451 VR 1KA 5KB 4 VOL SQ RV50303453 VR 50KB 50KA 5 J501 J505 EX07N41226 PCB CONN S 2PIN 6 J502 J504...

Page 29: ...R P C B B ITEM REFERENCE NUMBER RANGER PART NUMBER DESCRIPTION 1 EPT295060Z VR P C B B 2 C601 CC0501027L 0 001 F 50WV 3 RF CAL RV10203456 VR 1KB 20KB 4 J601 J602 EX07N41216 PCB CONN S 3PIN REMARK LEFT...

Page 30: ...ANGER PART NUMBER DESCRIPTION 1 EPT295070Z MIC P C B 2 C701 C703 CCM501025T 0 001 F 50WV 3 J702 J703 EX07N48152 PCB CONN S 2PIN 4 J701 EX07N48244 PCB CONN S 3PIN 5 MIC P C B EX06N41111 MIC JACK REMARK...

Page 31: ...REFERENCE NUMBER RANGER PART NUMBER DESCRIPTION 1 EPT295090Z BAND P C B 2 BAND P C B EWRT32053S ROTARY SW 3 J402 EX07N41216 PCB CONN S 3PIN 4 J401 EX07N41261 PCB CONN S 7PIN 5 J403 WX01070706 JUMPER W...

Page 32: ...T NUMBER DESCRIPTION 1 EPT295031Z KEY SW P C B 2 R701 R708 RCP161524Z 1 5K OHM 1 16W 3 KEY SW P C B x 14pc EWPS33042X TACT SW 4 D701 D708 EX01N40064 LED WHITE 5 KEY SW P C B x 2pc EX07N48441 PCB CONN...

Page 33: ...33...

Page 34: ...19 C608 C609 CK1102AB7L 0 001 F 50WV 20 C610 C617 C605 CK1104AB7L 0 1 F 50WV 21 C602 C603 CK5105AB7R 1 F 50WV 22 COPPER SIDE RCY011014Z 100 OHM 0 1W 23 R607 RCY014724Z 4 7K OHM 0 1W 24 R605 RCY018224...

Page 35: ...35 RCI 2950 DX RCI 2970 DX MAIN PCB REMARK SMD COMPONENT SIDE BLUE...

Page 36: ...36 RCI 2950 DX RCI 2970 DX MAIN PCB REMARK COMPONENT SIDE BLUE...

Page 37: ...37 RCI 2950 DX RCI 2970 DX MAIN PCB REMARK COPPER SIDE WHITE...

Page 38: ...34 62 63 99 132 175 198 229 234 319 200 RCY014734Z 47K 0 1W R45 RCY018234Z 82K 0 1W R12 44 48 49 51 53 76 77 106 109 114 169 176 195 197 232 238 284 285 295 303 312 125 156 RCY011044Z 100K 0 1W R183 R...

Page 39: ...4A 47PF 50WV C209 CC0508204A 82PF 50WV C215 CC0501215A 120PF 50WV C216 CC0501815A 180PF 50WV C221 223 CC0503915G 390PF 50WV C220 CC1001037L 0 01 F 100WV C219 CD3005614Z 560PF 300WV C13 24 27 28 52 63...

Page 40: ...DOW PT2950100A SH PLATE MT2970020A BOTTOM HOUSING MT2950031A TOP HOUSING MT2950011P FRONT CHASSIS UP DOWN MT3600080T D SPRING A VR MT3600090T D SPRING B VR MT3600100T D SPRING D SP MT2970050X ML120011...

Page 41: ...132 175 198 229 234 319 200 RCY014734Z 47K 0 1W R26 107 112 181 RCY016834Z 68K 0 1W R45 RCY018234Z 82K 0 1W R12 44 48 49 51 53 76 77 106 109 114 169 176 195 197 232 238 284 285 303 312 125 156 RCY0110...

Page 42: ...50WV C209 CC0508204A 82PF 50WV C215 CC0501215A 120PF 50WV C216 CC0501815A 180PF 50WV C221 223 CC0503915G 390PF 50WV C220 CC1001037L 0 01 F 100WV C219 CD3005614Z 560PF 300WV C13 24 27 28 52 63 72 102 1...

Page 43: ...50090A LCD WINDOW PT2950100A SH PLATE MT2970020A BOTTOM HOUSING MT2950031A TOP HOUSING MT2950011P FRONT CHASSIS UP DOWN MT3600080T D SPRING A VR MT3600090T D SPRING B VR MT3600100T D SPRING D SP MT297...

Page 44: ...44 Figure 6 3 Main PCB Adjustment Location...

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