Table of Contents
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DR-M03SX
DR-M06TH
CONTENTS
5) Terminal Connection of Microprocessor
SEMICONDUCTOR DATA
1) AK2341
2) AN78L05M
3) AN8010M
4) BU4052BF
5) LR408721
6) M5218FP
7) M56760FP
8) MC7808CT
9) RH5VA32AA-T1
10) RH5VA45AA-T1
12) TK10487MTR
13) AT24C02N-10SI-2.7
14) AT24C08-10SI-2.7
15) uPC1241H
16) Transistor, Diode and LED Outline Drawings 16
17) LCD Connection
EXPLODED VIEW
1) Bottom View
2) LCD View
3) Top, Front View 1
4) Top, Front View 2
5)DRM03 PA UNIT
VERSION TABLE
Service Manual
PARTS LAST
2
2
2
VCO Unit
SP Unit
3
Mechanical Parts
4
Packing..
4
DRM03 PA Unit
5 ~ 7
8
9
10
10
10
11
CIRCUIT DIAGRAM
11
12
4) Main Unit
13
13
13
14
15
15
15
16
5) VCO Unit Side A
6) VCO Unit Side B
17
18
18
19
20
21
21
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
22
22~24
24
25
25
25
25
27
28~29
30
30
32
33
34
35
36
37
37
38
38
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Summary of Contents for Alinco DR-M03SX
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Page 1: Table Of Contents
DR-M03SX Service Manual DR-M06TH CONTENTS SPECIFICATIONS PARTS LAST 1) General CPU Unit 2) Transmitter MAIN Unit 22~24 3) Receiver VCO Unit CIRCUIT DESCRIPTION SP Unit 1) Receiver System Mechanical Parts 2) Transmitter System Packing.. 3) PLL Circuit DRM03 PA Unit... -
Page 2: Specifications
* SPECIFICATIONS GENERAL Frequency DRM03SX 28.00 - 29.700MHz DRM06TH 50.00 - 54.00MHz Step 5 , 10 , 12.5 , 15 , 20 , 25 KHz selectable Channel Modulation F3E (FM) Antenna impedance 50 ohm unbalanced Power supply 13.8V DC +/- 10% Current Tx high.approxl 3.0A (DRM03SX) Rx squelched.less than 600mA... -
Page 3: Circuit Description
CIRCUIT DESCRTPTION 1) Receiver System 1. Front End The signal from the antenna is passed through a low-pass filter and input to the voltage step up circuit consisting Of L14. The signal from L14 is led to the gate of Q1. D19 is the diode limiter circuit against the excessive input power of more than 20dBm. -
Page 4: Transmitter System
2) Transmitter System 1. Modulation Circuit The microphone amplifier IC1 (IDC, LPF) consists of two operational amplifi- ers. The signal from the microphone is led to pre-emphasis circuit consisting of C36 and R47 and then to the limiter circuit. The limiter circuit uses the saturation of the OP amplifier. -
Page 5: Terminal Function Of Microprocessor 5
4) Terminal Function of Microprocessor Port No. I/O Logic PinName Description SEG19 LCDSegment19 Output SEG20 LCDSegment20 Output SEG21 LCDSegment21 Output SEG22 LCDSegment22 Output SEG23 LCDSegment23 Output AnalogGround 0V Vref Reference Voltage Input 5V CPU Power Supply hnput 5V 1750_ ToneBurstOutput 10 O Clock BEEP BeepToneOutput... - Page 6 Port No. I/O Logic PinName Description 40 I/O Clock Data Output for EEPROM 41 O Clock Clock Output 42 O Clock DataOutput 43 O Clock Strobe Output for PLL IC 44 O Clock Strobe Output for CTCSS IC I Active Low SFT Shift Key Input I Active High SD Signal Detection Input...
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Page 13: M57735
11) M57735 (XA0271) 50~54MHz RF Power Module Page 14... - Page 18 ES0017 KZ0047AZ FF0028 FF0031 KS0041CZ...
- Page 19 AD0010 (DRM06TH) AB0011 (DRM03SX) KZ0012 (DRM06) KZ0025 (DRM03)
- Page 20 DR-M03SX AB0011 C504 Q501 L502 QR0112 C501 C502 C503 L501 2SC3133 UP0255A QR0018 Page 20-1...
- Page 21 PARTS LIST PART PARTS PARTSC UNIT REF SCODE DESCRIPTION SX UNIT REF CODE DESCRIPTION SX UNIT REF DESCRIPTION C201 CU3035 C1608JB1H102KTA 1 CPU PL202 EP0003 Lamp(BQ031-30403A) 1 CPU R271 RK3046 ERJ3GSYJ472V C202 CU3035 C1608JB1H102KTA 1 CPU Q201 XT0095 2SC4081T106R 1 CPU R272 RK3058 ERJ3GSYJ473V...
- Page 22 PARTS LIST PART PARTS PARTSC UNIT REF SCODE DESCRIPTION SX UNIT REF CODE DESCRIPTION SX UNIT REF DESCRIPTION MAIN C34 CE0340 16MV 47HC+TS 1 MAIN C101 CU3047 C1608JB1H103KTA 1 MAIN D15 XD0254 1SS355 TE17 MAIN C35 CU3035 C1608JB1H102KTA 1 MAIN C102 0 MAIN D16 XD0260 1SV231TPH4...
- Page 23 PARTS LIST PART PARTS PARTSC UNIT REF SCODE DESCRIPTION SX UNIT REF CODE DESCRIPTION SX UNIT REF DESCRIPTION MAIN R3 RK3050 ERJ3GSYJ103V 1 MAIN R82 RK3038 ERJ3GSYJ102V 1 VCO C313 CU3035 C1608JB1H102KTA MAIN R4 RK3071 ERJ3GSYJ564V 1 MAIN R83 RK3022 ERJ3GSYJ470V 1 VCO C314 CU3043...
- Page 24 PARTS LIST PART PARTS PARTSC UNIT REF SCODE DESCRIPTION SX UNIT REF CODE DESCRIPTION SX UNIT REF DESCRIPTION Mechanical ES0017 Speaker(057M9017) 1 SCREW SET AA0013 BH M5+20 FE/ZN 4 PA C501 CU3021 C1608CH1H180JTA Mechanical FF0015 Cloth(BLIND DR110) 3 SCREW SET AE0012 HEXH/D M4+8 FE/B.ZN 4 4 PA C502...
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Page 25: Adjustment
ADJUSTMENT 11. Distortion Meter 1) Required Test Equipment 1. Digital Multimeter Measurable frequency: 1kHz Voltage range: FS= 18Vorso Input level: Up to 40dB Input resistance: 1M ohm or more Distortion level: 1% - l00% 2. Regulated Power Supply 12. Audio Generator Supply voltage: 13.80V Output frequency: 88.5Hz and lkHz... -
Page 26: Adjustment For Dr-M06/03
2) Adjustment for DRM03SX SSG Mod:1KHz +/-3.5KHz/DEV SP terminal is connected to 8ohm dummy load. RX speaker output level is 50 to 100mW 1. Power supply voltage is 13.8V. Power switch is off. 2. Turn the squelch and volume knobs counterclockwise. 3. - Page 27 2) Adjustment for DRM06TH/T SSG Mod:1KHz +/-3.5KHz/DEV SP terminal is connected to 8ohm dummy load. RX speaker output level is 50 to 100mW 1. Power supply voltage is 13.8V. Power switch is off. 2. Turn the squelch and volume knobs counterclockwise. 3.
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Page 28: Adjustment Points
3) Adjustment Points 4) Adjustment Quick Reference Parts Item Specifications RX Sensitivity -10dBpV (12dB SINAD) RX Sensitivity -10dBpV (12dB SINAD) RX Sensitivity -10dBpV (12dB SINAD) RX Sensitivity -10dBpV (12dB SINAD) L302 VCO Frequency 1.8V~2.2V 52.00MHz +/- TC1 Reference Frequency 100Hz(DRM06) 20W +/- 0.5W (DRM06) VR1 TX High Power 10.5W +/- 0.5W (DRM03) -
Page 29: Main Unit
DRM06 Page 32-1 MAIN Unit... - Page 30 DRM06 MAIN Unit Page 32-2...
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Page 31: Main Unit
DRM03 MAIN Unit Page 33-1... - Page 32 DRM03 MAIN Unit Page 33-2...
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Page 33: Cpu Unit
DRM06 /DR03 CPU unit Page 34-1... -
Page 34: Cpu Unit
DRM06 /DR03 CPU unit Page 34-2... -
Page 35: Pc Board View
PC BOARD VIEW 1-1 Main Unit Side A D15 or R125 C22 C43 C65 C66 C68 C69 C70 C77 C99 C103 C106 C112 C124 C126 C150 M03 SX 181 151 101 101 M06 TH 102 101 820 470 470 Page 35-1... -
Page 36: Main Unit Side B
1-2 Main Unit Side A C150 L1 L7,8,15 D15 R125 C114 R106 L2 C154 R130 Q20 R59 R101 D4 M06 T 220n 220n 1SS355 220n 2sc3082 183 222 1SS355 10 M03 SX 150 390n 2SC2954 102 2sc3356 183 222 1SS355 22 M06 TH 060 220n 220n 1SS355... - Page 37 PC BOARD VIEW 1-3 Main Unit Side A Page 35-3...
- Page 38 2-1) Main Unit Side B C140 0.47/35V R107 C121 R102 C118 C122 C119 Page 36-1...
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Page 39: Cpu Unit Side
3) CPU Unit Side A 4) CPU Unit Side B R223 Page 37-1... - Page 40 3-1) CPU Unit Side A R242 R243 R244 R241 S203 S202 4-2) CPU Unit Side B R287 Page 37-2...
- Page 41 S209 JK201 SOLDER PL202 VR201 CN203 D205 CN201 FP0069 X203 XQ0045 CN202 M06 only SOLDER PL201 JK201 TT1002 PL201 PL202 +side FP0034 Page 37-3...
- Page 42 A side 4R7u / 10V 4R7u / 10V C311 C312 C308 C317 C304 R331 R313 L303 C327 R326 C302 C321 C316 2R2u/16V R309 C333 Q304 Q301 2SC4099 R317 R325 C324 B side YZ0107 0.1cc (DRM06 only) RF CEMENT CN301 CN302 YZ0107 R316 R301...
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