Alinco DJ-C1 Service Manual Download | Manualshive

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MAIN Unit side B(DJ-C4)

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Summary of Contents for DJ-C1

Page 1: ...ICONDUCTOR DATA 9 EXPLODED VIEW 17 PARTS LIST 19 ADJUSTMENT 23 PCBOARD VIEW 27 CIRCUIT DIAGRAM 34 BLOCK DIAGRAM DJ C1 43 BLOCK DIAGRAM DJ C4 44 ALINCO INCORPORATED TWIN 21 M I D TOWER BUILDING 23F 1 61 2 CHOME SHIROMI CHUO KU OSAKA 540 8580 JAPAN Tel 81 6 6946 8150 fax 81 6 6946 8175 e mail export alinco co jp ...

Page 2: ...A Approx 180mA Reception Approx 30mA Reception Approx 40mA Approx 40mA Rx squelched Rx squelched Rx squelched Ground Negative Microphone input impedance Approx 2k ohm Dimensions Without projections 94 H x 56 W x 10 6 D Weight With battery 75g Transmitter Power output 300mW 10mW Modulation system Reactance modulation Max frequency deviation 5kHz Spurious emission Max 60dB Typ 50dB Receiver Receivin...

Page 3: ...put to pin 1 of the IC207 These two signals are mixed by the demodulator s internal mixer and converted to a 450 kHz second IF signal The converted second IF signal is output from pin 3 of IC207 to a ceramic filter FL201 where adjacent signals are eliminated The resulting signal is then sent back to pin 5 of IC207 FM The second IF signal input to pin 5 of IC207 is demodulated by the internal limit...

Page 4: ...ompares phases between the two If a difference is detected in the comparison the charge pump in pin 9 outputs a pulse signal The pulse is converted to DC voltage by the PLL loop filter and input to the cathode of the VCO varicaps D203 and D207 in order to eliminate the difference This enables stable oscillation at the desired frequency 2 Transmission 1 Microphone Amplifier The microphone amplifier...

Page 5: ...ated by the crystal X201 and IC202 and is input to pin 1 of the IC206 These two signals are mixed by the demodulator s internal mixer and converted to a 450 kHz second IF signal The converted second IF signal is output from pin 3 of IC206 to a ceramic filter FL202 where adjacent signals are eliminated The resulting signal is then sent back to pin 5 of IC206 The second IF signal input to pin 5 of I...

Page 6: ...D205 in order to eliminate the difference This enables stable oscillation at the desired frequency 2 Transmission 1 Microphone Amplifier The microphone amplifier IC205 has two operating amplifiers Sound is converted to an electric signal and input to IC205 The input signal is amplified for pre emphasis and then output The output signal is regulated for maximum frequency deviation by VR202 and inpu...

Page 7: ...analog input UNLOCK 8 SQL I Noise level input for squelch analog input SQL ON 9 AM O AM power for short wave DJ C1 AM ON 10 BEEP O Beep tone output 11 STB1 O Strobe for PLL 12 TBST O Tone burst output 13 BP5 I Band plan5 14 BP4 I Band plan4 15 16 17 CLK O Serial clock output for PLL 18 DATA O Serial data output for PLL 19 CTX O Clone data transmission output 20 CRX I Clone data reception input Pag...

Page 8: ...3 45 VR2 O Volume leveI2 46 VR1 O Volume levell 47 CLSW O Clone switch CLONE 48 P3C O PLL power switch ON 49 T3C O TX power switch ON 50 R3C O 145 M band power switch DJ C1 ON 43C 430 M band power switch DJ C4 ON 51 TON4 O Tone output 4 52 TON3 O Tone output 3 53 TON2 O Tone output 2 54 TONl O Tone output 1 55 SEG15 O LCD SEG15 56 SEGl4 O LCD SEG14 57 SEG13 O LCD SEG13 58 SEG12 O LCD SEG12 59 SEG1...

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Page 17: ...EXPLODED VIEW 17 ...

Page 18: ...EA61 ...

Page 19: ...1 EXBV8V103JV 1 1 1 A C240 CU3029 C1608JB1H331KTA 1 1 B C311 CU3111 C1608JB1C104M 1 1 1 B RA103 RA0010 EXBV8V472JV 1 1 1 A C241 CU3006 C1608CH1H050CTA 1 1 1 A C312 CS0376 TMCMA0G226MTR 1 1 1 B RA104 RA0009 EXBV8V102JV 1 1 1 A C242 CS0394 TMCMB0J476MTR 1 1 1 A C313 CU3047 C1608JB1H103KTA 1 1 1 A RA105 RA0008 EXBV4V102JV 1 1 1 A C243 CU3035 C1608JB1H102KTA 1 1 1 B C314 CS0378 TMCMC0G107MTR 1 1 1 B R...

Page 20: ...3GSYJ151V 1 1 1 B L214 QA0070 QA0070 T 1 1 1 B R234 RK3034 ERJ3GSYJ471V 1 1 1 A R304 RK3024 ERJ3GSYJ680V 1 1 1 B L215 QC0420 LL1608 F15NK 1 1 1 B R235 RK3040 ERJ3GSYJ152V 1 1 1 A R305 RK3022 ERJ3GSYJ470V 1 1 1 B L216 QC0442 MLF1608A1R0KTA00 1 1 1 B R236 RK3062 ERJ3GSYJ104V 1 1 1 A R306 RK3030 ERJ3GSYJ221V 1 1 1 A L217 QC0534 LQN21A47NJ04 1 1 1 A R237 RK3062 ERJ3GSYJ104V 1 1 1 A R307 RK3050 ERJ3GSY...

Page 21: ...211 CU3031 C1608JB1H471KTA 1 1 1 B C285 CU8042 C2012JB1C104KTA 1 1 1 A R118 RK3026 ERJ3GSYJ101V 1 1 1 A C212 CU3031 C1608JB1H471KTA 1 1 1 B C286 CU3039 C1608JB1H222KTA 1 1 1 A R119 RK3038 ERJ3GSYJ102V 1 1 1 A C213 CS0376 TMCMAC6226NTR 1 1 1 B C287 CU3035 C1608JB1H102KTA 1 1 1 B R120 RK3038 ERJ3GSYJ102V 1 1 1 A C214 CU3035 C1608JB1H102KTA 1 1 1 B C288 CU3027 C1608CH1H221JTA 1 1 1 B RA102 RA0011 EXB...

Page 22: ...3046 ERJ3GSYJ472V 1 1 1 A R290 RK3034 ERJ3GSYJ471V 1 1 1 A L202 QC0532 LQN21A33NJ04 1 1 1 A R222 RK3038 ERJ3GSYJ102V 1 1 1 B R291 RK3045 ERJ3GSYJ392V 1 1 1 A L203 QC0277 NL252018TR12J 1 1 1 A R223 RK3059 ERJ3GSYJ563V 0 1 1 B R292 RK3078 ERJ3GSYJ225V 1 1 1 B L204 QC0422 LL1608 F22NK 1 1 1 B R223 RK3062 ERJ3GSYJ104V 1 0 0 B R293 RK3040 ERJ3GSYJ152V 1 1 1 A L205 QC0421 LL1608 F18NK 1 1 1 B R224 RK306...

Page 23: ...tion With 1kHz 50mV AF signal 4 5 kHz 0 2 kHz Same as on left With 67 250 4 Hz tone frequency 0 4 1 2kHz Same as on left With 1750 Hz tone burst E EA specification only 2 4 3 6 kHz Same as on left 4 Spurious emission On 145 05 MHz transmission frequency Max 55 dB Same as on left 5 Transmission S N On 145 05 MHz transmission frequency Min 33dB Same as on left Measuring instrument s audio filter OFF...

Page 24: ...ation On F1 transmission frequency With 1 kHz 50 mV AF signal Same as on left 4 5 kHz 0 2 kHz With 67 250 4 Hz CTCSS tone frequency 0 4 1 2kHz Same as on left With 1750 Hztone burst E EA versions only 2 4 3 6 kHz Same as on left 4 Spurious emission On F1 transmission frequency Max 55 dB Same as on left 5 Transmission S N On F1 transmission frequency Min 33 dB Same as on left Measuring instrument s...

Page 25: ...PC BOARD VIEW CPU Unit side A DJ C1 CPU Unit side A DJ C1 27 ...

Page 26: ...CPU Unit side A DJ C4 CPU Unit side B DJ C4 28 ...

Page 27: ...MAIN Unit side A DJ C1 29 ...

Page 28: ...MAIN Unit side B DJ C1 30 ...

Page 29: ...MAIN Unit side A DJ C4 31 ...

Page 30: ...MAIN Unit side B DJ C4 32 ...

Page 31: ...PTT Unit side A DJ C1 PTT Unit side B DJ C1 PTT Unit side A DJ C4 PTT Unit side B DJ C4 33 ...

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