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DJ-190

Service Manual

CONTENTS
+SPECIFICATIONS

+CIRCUIT DESCRIPTION

+SEMICONDUCTOR DATA

+EXPLODED VIEW

+PARTS LIST

+ADJUSTMENT

+PCBOARD VIEW

+CIRCUIT DIAGRAM

+BLOCK DIAGRAM

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: [email protected]

Содержание DJ-190

Страница 1: ...DUCTOR DATA 9 EXPLODED VIEW 15 PARTS LIST 18 ADJUSTMENT 21 PCBOARD VIEW 26 CIRCUIT DIAGRAM 36 BLOCK DIAGRAM 43 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 ...

Страница 2: ...pm Microphone Input Impedance 2kohm nominal Signal Type F3E FM Offset Range 0 99 995MHz Deviation 15kHz max TX Output supply voltage 1 5W 4 8V 3 5W 7 2V 5W 9 6 13 8V RX Sensitivity 12dB SINAD better than 16dBu RX Selectivity 6dB 12kHz I F 1st 21 25MHz 2nd 450kHz Power Supply Requirements 4 8 13 8V DC 4 8V DC standard Current Consumption Transmitting Approx 1 2 Amp in High Power at 13 8V DC Setting...

Страница 3: ...ator IC IC104 The second local signal of 21 25 MHz shared with PLL IC reference oscillation which is oscillated by the internal oscillation circuit in IC102 and crystal X101 is input through pin 1 of IC104 Then these two signals are mixed by the internal mixer in IC104 and the result is converted into the second IF signal with a frequency of 450 kHz The second IF signal is output from pin 3 of IC1...

Страница 4: ...om pin 2 of the power module IC101 to maintain the transmission power constant 3 PLL Synthesizer Circuit The dividing ratio is obtained by sending data from the CPU IC5 to pin 2 1 PLL and sending clock pulses to pin 3 of the PLL IC IC102 The oscillated signal from the VCO is amplified by the buffer Q117 and input to pin 6 of IC102 Each programmable divider in IC102 divides the frequency of the inp...

Страница 5: ...n 45 of CPU IC5 to the bases of Q1 then turn ON and the LEDs D1 D3 Bight 3 Reset and Backup When the power from the DC jack or external battery increases from 0 V to Circuits 2 5 or more H level reset signal is output from the reset IC IC2 to pin 35 of the CPU IC5 causing the CPU to reset The reset signal however waits at C6 and R98 and does not enter the CPU until the CPU clock X1 has stabilized ...

Страница 6: ...5 CPU Terminal Functions M38267M8L XA413 Page 6 ...

Страница 7: ...TXD1 UTX O Pulse UART data transmission output 71 P31 SEG19 S19 O 22 P44 RXD1 URX I Pulse UART data reception input 72 P30 SEG18 S18 O 23 P43 D TOUT TBST O Pulse Tone burst 1750Hz output European version 73 SEG17 S17 O 24 P42 INT2 RE2 I Activelow 74 SEG16 S16 O 25 P41 1NT1 RE1 I Activelow Rotary encoder lnput 75 SEG15 S15 O 26 P40 PTT I Activehigh PTT input 76 SEG14 S14 O 27 P77 DSW O Activelow 77...

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Страница 17: ... RK3058 Chip R ERJ3GSYJ473V C701 CU3015 Chip C C1608CH1H220JTA C31 CS0063 Chip Tantal TMCSA1V104MTR R3 RK3028 Chip R ERJ3GSYJ151V R65 RK3058 Chip R ERJ3GSYJ473V C702 CU3015 Chip C C1608CH1H220JTA C32 CU3035 Chip C C1608JB1H102KTA R4 RK3050 Chip R ERJ3GSYJ103V R66 RK3055 Chip R ERJ3GSYJ273V C703 CU3023 Chip C C1688CH1H101JTA C33 CU3035 Chip C C1608JB1H102KTA R5 RK3038 Chip R ERJ3GSYJ102V R67 RK3046...

Страница 18: ...TA D108 XD0129 Diode 1SS318 TT11 R107 RK3046 Chip R ERJ3GSYJ472V C122 CU3004 Chip C C1608CH1H030CTA T E TA TAH C177 CS0220 Chip Tantal TMCMA1C225MTR D109 XD0118 Diode MA716 TX R108 RK3046 Chip R ERJ3GSYJ472V C122 CU3003 Chip C C1608CH1H020CTA TA2 C178 CU3035 Chip C C1608JB1H102KTA D113 XD0130 Diode DA204U T106 R110 RK3026 Chip R ERJ3GSYJ101V C123 CU3015 Chip C C1608CH1H220JTA C179 CU3027 Chip C C1...

Страница 19: ...C301 CU3035 Chip C C1608JB1H102KTA FG0181Y Ruber Dial Ruber DJ190 EA57 Antenna VHF L E T TA R171 RK3058 Chip R ERJ3GSYJ473V C302 CS0377 Chip Tantal TMCMB0G476MTR FG0186Y Ruber Jack Rubber DJ190 EA58 Antenna VHF F TFH R172 RK3054 Chip R ERJ3GSYJ223V C303 CU3047 Chip C C1608JB1H103KTA FG0187Y Ruber Jack CapDJ190 EBP36 Battery Ni Cd Battery Pack TAH R173 RK3044 Chip R ERJ3GSYJ332V C304 CU3037 Chip C ...

Страница 20: ...ed Measuring range 0 1W 10 W Measurable frequency Up to 100 kHz 8 Audio voltmeter Sensitivity 1 mV to 10 V Output frequency 67 Hz to 10 kHz 9 Audio generator Output impedance 600 ohm unbalanced Measurable frequency 1 kHz 10 Distortion meter Input level Up to 40 dB SINAD meter Distortion level 1 100 Measurable frequency Up to 200 MHz 11 Frequency counter Measurable stability Approx 0 1 ppm Measurab...

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Страница 26: ...D10 R1006 D3 R3 R1 D1 LCD1 CN4 R1013 R1007 L10 ...

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Страница 32: ...SW402 SW404 SW401 SW403 ...

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Страница 34: ...D802 D804 R801 D805 R802 D803 Q801 D801 ...

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