Alinco DR-135 Service Manual
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Alinco DR-135 Service Manual

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DR-135 / DR-435MkII
Service Manual
CONTENTS
General ..................................................................... 2
Transmitter ................................................................ 2
Receiver ................................................................... 2
1) Receiver System DR-135 ..................................... 3, 4
2) Transmitter System DR-135 ...................................... 5
3) PLL Synthesizer Circuit DR-135 ........................... 5, 6
4) Receiver System DR-435 ..................................... 6, 7
5) Transmitter System DR-435 ...................................... 8
6) PLL Synthesizer Circuit DR-435 ........................... 8, 9
7) CPU and Peripheral Circuit ................................. 9, 10
8) Power Supply Circuit ............................................... 10
9) M38267M8L272GP (XA0851) ........................... 11~13
1) M5218AFP (XA0068) .............................................. 14
2) NJM7808FA (XA0102) ............................................ 14
3) TC4S66F (XA0115) ................................................ 14
4) BU4052BF (XA0236) .............................................. 15
5) TA75S01F (XA0332) ............................................... 15
6) TC4W53FU (XA0348) ............................................. 15
7) TA31136FN (XA0404) ............................................. 16
8) LA4425A (XA0410) ................................................. 16
9) M67746 (XA0412) .................................................. 17
10) M57788M (XA0077A) ............................................. 18
11) NJM2902V (XA0596) .............................................. 19
12) 24LC32AT (XA0604) ............................................... 19
13) S-80845ALMP (XA0620) ........................................ 19
14) TK10931V (XA0666) ......................................... 20, 21
15) L88MS05TLL (XA0675) .......................................... 22
16) M64076AGP (XA0915) ........................................... 23
18) LCD Connection (TTR3626UPFDHN) .................... 25
1) Top and Front View ................................................. 26
2) Bottom View ............................................................ 27
3) LCD Assembly ........................................................ 28
All manuals and user guides at all-guides.com
CPU Unit .......................................................... 29, 30
MAIN Unit DR-135 ............................................ 30~33
MAIN Unit DR-435 ............................................ 33~36
VCO Unit DR-435 ................................................... 36
Mechanical Parts .............................................. 36, 37
Packing Parts .......................................................... 37
ACCESSORIES ...................................................... 37
ACCESSORIES (SCREW SET) .............................. 37
TNC (EJ41U) .......................................................... 38
TNC (EJ41U) Packing Parts ................................... 39
1) Adjustment Spot .................................................... 40
3) Tx Adjustment Specification .................................... 41
4) Rx Test Specification ............................................... 42
5) Tx Test Specification ............................................... 43
1) Adjustment Spot .................................................... 44
3) Tx Adjustment Specification .................................... 46
4) Rx Test Specification ............................................... 47
5) Tx Test Specification ............................................... 48
1) CPU Unit Side A ..................................................... 49
2) CPU Unit Side B ..................................................... 49
3) MAIN Unit Side A DR-135 (UP0467A) .................... 50
4) MAIN Unit Side B DR-135 (UP0467A) .................... 50
5) MAIN Unit Side A DR-435 (UP0468A) .................... 51
6) MAIN Unit Side B DR-435 (UP0468A) .................... 51
7) TNC Unit Side A (UP0402) (option) ........................ 52
8) TNC Unit Side B (UP0402) (option) ........................ 52
1) CPU Unit DR-135 / DR-435 .................................... 53
2) MAIN Unit DR-135 .................................................. 54
3) MAIN Unit DR-435 .................................................. 55
4) TNC Unit (option) .................................................... 56
1) DR-135 ................................................................... 57
2) DR-435 ................................................................... 58
ALINCO,INC.

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  • Page 1: Table Of Contents

    10) M57788M (XA0077A) ..........18 2) CPU Unit Side B ............. 49 11) NJM2902V (XA0596) ..........19 3) MAIN Unit Side A DR-135 (UP0467A) ....50 12) 24LC32AT (XA0604) ..........19 4) MAIN Unit Side B DR-135 (UP0467A) ....50 13) S-80845ALMP (XA0620) ........

  • Page 2: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS General Frequency coverage DR-135 DR-435 118.000 ~ 135.995MHz (AM RX) 350.000 ~ 511.995MHz (RX) T MkΙΙ 136.000 ~ 173.995MHz (RX) 430.000 ~ 449.995MHz (TX) 144.000 ~ 147.995MHz (TX) E MkΙΙ 144.000 ~ 145.995MHz (RX,TX)

  • Page 3: Circuit Description

    All manuals and user guides at all-guides.com CIRCUIT DESCRIPTION 1) Receiver System DR-135 The receiver system is a double super-heterodyne system with a 21.7MHz first IF and a 450kHz second IF. 1. Front End The received signal at any frequency in the 136.000MHz to 173.995MHz range...
  • Page 4 All manuals and user guides at all-guides.com 4. Audio Circuit The audio signal from pin 12 of IC 108 is amplified by the audio amplifier (IC104:A, IC120), and switched by the signal switch IC (IC111) and then input it to the de-emphasis circuit. And is compensated to the audio frequency characteristics in the de-emphasis circuit (R203, R207, R213, R209, C191, C218, C217) and amplified by the AF amplifier (IC104:D).

  • Page 5: Transmitter System Dr-135

    (Q118, Q117, Q116), then it controls the APC voltage supplied to the younger amplifier Q115 and the final power module IC110 to fix the transmission power. 3) PLL Synthesizer Circuit DR-135 1. PLL The dividing ratio is obtained by sending data from CPU (IC1) to pin 2 and sending clock pulses to pin 3 of the PLL IC (IC116).

  • Page 6: Receiver System Dr-435

    All manuals and user guides at all-guides.com 3. Phase Comparator Circuit The PLL (IC116) uses the reference frequency, 5 or 6.25 kHz. The phase comparator in the IC116 compares the phase of the frequency from the VCO with that of the comparison frequency, 5 or 6.25 kHz, which is obtained by the internal divider in IC116.
  • Page 7 All manuals and user guides at all-guides.com 3. Demodulation Circuit After the signal is amplified by the first IF amplifier (Q105), it is input to pin16 of the demodulator IC (IC108). The second local signal of 30.395MHz (Crystal oscillator) is input through pin 1 of IC108. Then, these two signals are mixed by the internal mixer in IC108 and the result is converted into the second IF signal with a frequency of 455kHz.

  • Page 8: Transmitter System Dr-435

    All manuals and user guides at all-guides.com 5) Transmitter System DR-435 1. Modulator Circuit The audio signal is converted to an electrical signal by the microphone, and input it to the microphone amplifier (Q6). Amplified signal which passes through mic-mute control IC109 is adjusted to an appropriate mic-volume by means of mic-gain adjust VR106.

  • Page 9: Cpu And Peripheral Circuit

    All manuals and user guides at all-guides.com 3. Phase Comparator Circuit The PLL (IC501) uses the reference frequency, 5 or 6.25 kHz. The phase comparator in the IC501 compares the phase of the frequency from the VCO with that of the comparison frequency, 5 or 6.25 kHz, which is obtained by the internal divider in IC501.

  • Page 10: Power Supply Circuit

    All manuals and user guides at all-guides.com 5. DTMF Encoder The CPU (IC1) is equipped with an internal DTMF encoder. The DTMF signal is output from pin 10, through R35, R34 and R261 (for level adjustment), and then through the microphone amplifier (IC114:A), and is sent to the variable capacitor of the VCO for modulation.

  • Page 11: M38267M8L272Gp (Xa0851)

    All manuals and user guides at all-guides.com 9) M3826M8L272GP (XA0851) Terminal Connection (TOP VIEW)
  • Page 12 All manuals and user guides at all-guides.com Pin Name Function I/O PU Logic Description P67/AN7 S-meter input P66/AN6 Noise level input for squelch P65/AN5 Battery voltage input P64/AN4 CTCSS tone input/DSC code input 5 P63/SCLK22/AN3 Band plan 1 6 P62/SCLK21/AN2 Band plan 2 7 P61/SOUT2/AN1 DCSW Activ high...
  • Page 13 All manuals and user guides at all-guides.com Pin Name Function I/O PU Logic Description P06/SEG32 P05/SEG31 P04/SEG30 P03/SEG29 P02/SEG28 P01/SEG27 P00/SEG26 P37/SEG25 P36/SEG24 P35/SEG23 P34/SEG22 P33/SEG21 P32/SEG20 P31/SEG19 P30/SEG18 SEG17 SEG16 LCD segment signal SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7...

  • Page 14: Semiconductor Data

    All manuals and user guides at all-guides.com SEMICONDUCTOR DATA 1) M5218FP (XA0068) Dual Low Noise Operational Amplifiers Output 1 Power Supply Plus Inverting Input 1 Output 2 Non Inverting Input 1 Inverting Input 2 Power supply Minus Non Inverting Input 2 2) NJM7808FA (XA0102) Voltage Regulator 1.

  • Page 15: Bu4052Bf (Xa0236)

    All manuals and user guides at all-guides.com 4) BU4052BF (XA0236) Analog Multiplexer/De-multiplexer 5) TA75S01F (XA0332) Single Operational Amplifer Printing Pin Assignment (top view) (top view) IN(+) IN(-) 6) TC4W53FU (XA0348) Multiplexer/De-multiplexer Function Table COMMON Control input ON channel NONE * Don't Care...

  • Page 16: Ta31136Fn (Xa0404)

    All manuals and user guides at all-guides.com 7) TA31136FN (XA0404) Narrow Band FM IF IC 8) LA4425A (XA0410) 5W Audio Power Amplifier Test Circuit 13.2V LA4425 2.2µF Input 4Ω 1000µF Vcc=13.2V RL=4 Po =5W Gain= 45dB...

  • Page 17: M67746 (Xa0412)

    All manuals and user guides at all-guides.com 9) M67746 (XA0412) 144~148MHZ 60W RF Power Module Dimensions in mm OUTLINE DRAWING BLOCK DIAGRAM 66±0.5 3±0.3 60±0.5 7.25±0.8 51.5±0.5 2-R2±0.5 φ 0.82±0.15 PIN: 12±1 : RF INPUT 16.5±1 : 1st. DC SUPPLY 43.5±1 : 2nd.

  • Page 18: M57788M (Xa0077A)

    All manuals and user guides at all-guides.com 10) M57788M (XA0077A) 430~450MHz 40W RF Power Module...

  • Page 19: Njm2902V (Xa0596)

    All manuals and user guides at all-guides.com 11) NJM2902V (XA0596) Quad Operational Amplifiers 1. A OUTPUT 8. C OUTPUT 2. A−INPUT 9. C−INPUT 3. A+INPUT 10. C+INPUT 4. V + 11. GND 5. B+INPUT 12. D+INPUT 6. B−INPUT 13. D−INPUT 7.

  • Page 20: Tk10931V (Xa0666)

    All manuals and user guides at all-guides.com 14) TK10931V (XA0666) Narrow Band AM/FM IF IC TEST CIRCUIT V CC 1 µF 10 µF 8.2 k 10.7 MHz 51 k 20 k V CC 20 k 1 µF 0.01 µF 30 k 10 µF 0.01 µF 0.1 µF...
  • Page 21 All manuals and user guides at all-guides.com ELECTRICAL CHARACTERISTICS Test Conditions: V = 3.0 V, T = 25 ˚C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS UNITS No Input, AM ON Supply Current No Input, AM OFF Mixer Conversion Gain Using CFU455F Mixer Input Resistance kΩ...

  • Page 22: L88Ms05Tll (Xa0675)

    All manuals and user guides at all-guides.com 15) L88MS05TLL (XA0675) 5V Voltage Regulator with On/Off Function 1. VIN Error 2. STB 3. GND Short circuit protector ON/OFF 4. Cn Control 5. VOUT Thermal protector 2 3 4 5...

  • Page 23: M64076Agp (Xa0915)

    All manuals and user guides at all-guides.com 16) M64076AGP (XA0915) Dual PLL Synthesizer Parameter Symbol Condition Min. Typ. Max. Unit Fin=80~520MHz Power supply voltage Vin=-10dBm LPF supply voltage Fin=80~520MHz Local oscillator input level Vin=-20~-4dBm Local oscillator input frequency Vcc=2.7~5.5V Vcc=2.7~5.5V Vcc=2.7~5.5V Xin input level Vxin...

  • Page 24: Transistor, Diode And Led Outline Drawing

    All manuals and user guides at all-guides.com 17) Transistor, Diode and LED Outline Drawing Top View 1SV214 1SV237 1SV262 1SV268 RLS-73 1SS355 1SS356 XD0300 XD0301 XD0363 XD0272 XD0131 XD0141 XD0254 DA204U DAN235U DSA3A1 MA304 MA729 MA8100 MA742 XD0130 XD0246 XD0131 XD0299 XD0300 XD0297...

  • Page 25: Lcd Connection (Ttr3626Upfdhn)

    All manuals and user guides at all-guides.com 18) LCD Connection (TTR3626UPFDHN)

  • Page 26: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW 1) Top and Front View AA0050 AV0006 FG0273 DR-135 : DP0157 DR-435 : DP0158 AV0006 KZ0105 NK0072 NK0073...

  • Page 27: Bottom View

    All manuals and user guides at all-guides.com 2) Bottom View AA0050 KS0068 AV0006 UA0037Y AV0006 AV0006 UX1047 AW0001 ST0065 AZ0042 AE0029 FG0320 UE0401 ES0017 AV0006 ST0066 TG0034 UE0258 FF0015 UX1251 YZ0131 SS0093...

  • Page 28: Lcd Assembly

    All manuals and user guides at all-guides.com 3) LCD Assembly CPU BOARD FM0034 NUT (UE0035) FG0305 FF0017 ST0068 TL0023 DG0037 TL0024 EL0049 ST0064...

  • Page 29: Parts List

    PARTS LIST CPU Unit Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. DR-135 DR-435 DR-135 DR-435 CU3111 Chip C. C1608JB1C104KT-N RK3038 Chip R. MCR03EZHJ102 CU3111 Chip C. C1608JB1C104KT-N RK3032 Chip R.

  • Page 30: Main Unit

    Chip C. C1608CH1H100DT-AS C191 CU3102 Chip C. C1608JB1C333KT-NS C192 CU3047 Chip C. C1608JB1H103KT-N C193 CU4033 Chip C. GRM42-6X7R102K500PT MAIN Unit DR-135 C194 CU3012 Chip C. C1608CH1H120JT-AS C195 CU3012 Chip C. C1608CH1H120JT-AS C196 CU3019 Chip C. C1608CH1H470JT-AS Ref No. Parts No.
  • Page 31 All manuals and user guides at all-guides.com Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. C254 CU3111 Chip C. C1608JB1C104KT-N D105 XD0299 Chip Diode MA304-TX C255 CE0364 Electrolytic C. 16MV 47SWB+TS D106 XD0165 Chip Diode...
  • Page 32 All manuals and user guides at all-guides.com Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. Q113 XU0047 Chip Transistor UMC3NTR R160 RK3062 Chip R. MCR03EZHJ104 Q114 XU0063 Chip Transistor UN9211 TX R161 RK3062 Chip R.

  • Page 33: Main Unit

    All manuals and user guides at all-guides.com Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. R258 RK3057 Chip R. MCR03EZHJ393 TH102 XS0031 Thermistor NTCCM16084BH682KCT R259 RK3050 Chip R. MCR03EZHJ103 VR101 RH0146 Trimmer R.
  • Page 34 All manuals and user guides at all-guides.com Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. C171 CU3031 Chip C. C1608JB1H471KT-AS C289 CS0049 Chip tantalum TMCSA1C105MTR C172 CU3035 Chip C. C1608JB1H102KT-AS C294 CU3035 Chip C.
  • Page 35 All manuals and user guides at all-guides.com Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. L112 QKA15D Coil MR3.0 1.5T 0.6 R144 RK3042 Chip R. MCR03EZHJ222 L113 QC0062 Chip inductor NL322522T-039JA R147 RK3050...

  • Page 36: Vco Unit Dr-435

    DR-435 UP0468A DR420 INTEGRATED A UE0401 Dsub Connector K-D-09S-SE UX1251 Wire WIRE D SUB ES0017 Speaker 057M9017 UX1047 Wire WIRE DR130 VCO DR-135 AA0050 Screw XSC26+6FZ AE0029 Screw RDG-LNA-W1(01) AV0006 Screw B2.6+8 FE/NI Ref No. Parts No. Description Parts Name Qty.

  • Page 37: Packing Parts

    All manuals and user guides at all-guides.com Qty. Ref No. Parts No. Description Parts Name Ver. DR-135 DR-435 DP0157 LCD PANEL LCD PANEL DR135TM2 DP0158 LCD PANEL LCD PANEL DR435TM2 FF0015 Cloth BLIND CLOTH DR110 FF0017 Cloth BLIND CLOTH DR570...

  • Page 38: Tnc (Ej41U)

    All manuals and user guides at all-guides.com TNC (EJ41U) Qty. Qty. Ref No. Parts No. Description Parts Name Ver. Ref No. Parts No. Description Parts Name Ver. BAT1 ED0006 Battery BR2032 1F2 RK3038 Chip R. MCR03EZHJ102 CS0408 Chip Tantal 6MCM156MATER RK3038 Chip R.

  • Page 39: Tnc (Ej41U) Packing Parts

    All manuals and user guides at all-guides.com TNC (EJ41U) Packing Parts Qty. Ref No. Parts No. Description Parts Name Ver. FD0001 Floppy-Disc (WIN2HD) FF0034 VELCRO FG0040 Cushion HK0487 Package Item Carton EJ41U HP0029 Plastic bag 5X100X100 HP0040 Plastic bag 8X130X200 PF0061 SHEET EJ41U...

  • Page 40: Adjustment

    All manuals and user guides at all-guides.com DR-135 ADJUSTMENT 1) Adjustment Spot Power Supply Voltage 13.8 V Output of SSG is all EMF indication If without instruction, WIDE mode If without instruction, SSG output is MOD 1KHz WIDE DEV 3.5KHz/DEV, NARROW DEV 1.75KHz/DEV Standard Modulation is also based above.

  • Page 41: Vco And Rx Adjustment Specification

    All manuals and user guides at all-guides.com 2) VCO and RX Adjustment Specification ITEM UNIT ADJ.SPOT ADJUSTING METHOD CONDITION Adjustment 145.90MHz MAIN VR109 Adjust so that Tx Frequency Frequency becomes within 145.90MHz±100Hz 136.00MHz MAIN L123 Adjust so that PD voltage becomes Adjustment 1.5V 173.99MHz...

  • Page 42: Rx Test Specification

    All manuals and user guides at all-guides.com 4) Rx Test Specification TEST ITEM CONDITION ADJ STANDARD TEST STANDARD NOTE RX Sensitivity 136.05MHz Less than -7dBu Less than -6dBu 12dBSINAD 146.05MHz Less than -8dBu Less than -7dBu 173.95MHz Less than -6dBu Less than -5dBu 146.05MHz Less than -8dBu...

  • Page 43: Tx Test Specification

    All manuals and user guides at all-guides.com 5) Tx Test Specification TEST ITEM CONDITION ADJ STANDARD TEST STANDARD NOTE TX Output 144.00MHz 50±3W HI POWER 146.00MHz 50±1W 50±3W 148.00MHz 50±3W TX Output 146.00MHz 10±1W 10 ±2W MID POWER TX Output 146.00MHz 4±1W 3~6W...

  • Page 44: Adjustment

    All manuals and user guides at all-guides.com DR-435 ADJUSTMENT 1) Adjustment Spot Power Supply Voltage 13.8 V Output of SSG is all EMF indication If without instruction, WIDE mode If without instruction, SSG output is MOD 1KHz WIDE DEV 3.5KHz/DEV, NARROW DEV 1.75KHz/DEV Standard Modulation is also based above.

  • Page 45: Vco And Rx Adjustment Specification

    All manuals and user guides at all-guides.com 2) VCO and RX Adjustment Specification ITEM CONDITION UNIT ADJ SPOT ADJUSTING METHOD Adjustment 440.00MHz MAIN VR110 Adjust so that Tx Frequency Frequency becomes within 440.00MHz ± 100Hz 425.00MHz MAIN L503 Adjust so that PD voltage becomes Adjustment 1.7V.

  • Page 46: Tx Adjustment Specification

    All manuals and user guides at all-guides.com 3) Tx Adjustment Specification ITEM CONDITION UNIT ADJ SPOT ADJUSTING METHOD HI POWER 440.00MHz MAIN VR103 Adjust to 35.0 11W ± Adjustment HI POWER MID POWER 440.00MHz MAIN VR104 Adjust to 10.0 1.0W ±...

  • Page 47: Rx Test Specification

    All manuals and user guides at all-guides.com 4) Rx Test Specification TEST ITEM CONDITION ADJ STANDARD TEST STANDARD NOTE RX Sensitivity 350.05MHz Less than -1dBu Less than 0dBu 12dBSINAD 430.05MHz Less than -7.5dBu Less than -6.5dBu 440.05MHz Less than -7.5dBu Less than -6.5dBu 450.05MHz Less than -7.5dBu...

  • Page 48: Tx Test Specification

    All manuals and user guides at all-guides.com 5) Tx Test Specification TEST ITEM CONDITION ADJ STANDARD TEST STANDARD NOTE TX Output 430.00MHz ± ± HI POWER 440.00MHz ± 450.00MHz ± TX Output 440.00MHz ± ± MID POWER TX Output 440.00MHz ±...

  • Page 49: Pc Board View

    All manuals and user guides at all-guides.com PC BOARD VIEW 1) CPU Unit Side A 2) CPU Unit Side B DR135TMk2 JUMPER DR135EMk2 JUMPER DR435TMk2 JUMPER...

  • Page 50: Main Unit Side A Dr-135 (Up0467A)

    All manuals and user guides at all-guides.com 3) MAIN Unit Side A DR-135 (UP0467A) 4) MAIN Unit Side B DR-135 (UP0467A)

  • Page 51: Main Unit Side A Dr-435 (Up0468A)

    All manuals and user guides at all-guides.com 5) MAIN Unit Side A DR-435 (UP0468A) 6) MAIN Unit Side B DR-435 (UP0468A)

  • Page 52: Tnc Unit Side A (Up0402) (Option)

    All manuals and user guides at all-guides.com 7) TNC Unit Side A (UP0402) 8) TNC Unit Side B (UP0402) OPTION unit (EJ41U) OPTION unit (EJ41U)

  • Page 53: Schematic Diagram

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM 1) CPU Unit DR-135 / DR-435 DR135TMk2 JUMPER DR135EMk2 JUMPER DR435TMk2 JUMPER...

  • Page 54: Main Unit Dr-135

    All manuals and user guides at all-guides.com 2) MAIN Unit DR-135...

  • Page 55: Main Unit Dr-435

    All manuals and user guides at all-guides.com 3) MAIN Unit DR-435...

  • Page 56: Tnc Unit (Option)

    All manuals and user guides at all-guides.com 4) TNC Unit OPTION unit (EJ41U) TO MAIN CN107...

  • Page 57: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM...
  • Page 58 All manuals and user guides at all-guides.com...
  • Page 59 All manuals and user guides at all-guides.com...
  • Page 60 All manuals and user guides at all-guides.com DJ-195 Service Manual ALINCO, INC. Head Office : Shin-Dai Building 9th Floor 2-6, 1-Chome, Dojimahama, Kita-ku, Osaka 530-0004, Japan Phone: +81-6-4797-2136 Fax: +81-6-4797-2157 E-mail:export@alinco.co.jp Dealer/Distributor Copyright 2004 Alinco, lnc. Osaka Japan Printed in Japan PM0078A...

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