Alinco DR-03T, Service Manual

Page 1: ... XA1103 14 11 LM2902PWR XA1106 14 12 TA78DS10F XA1249 14 13 Transistor Diode and LED Outline Drawing 15 14 RD16HHF1 XE0056 16 15 LCD Connection TTR3626UPFDHN 17 E X P LO D E D V IE W 1 Top and Front View 18 2 Bottom View 19 3 LCD Assembly 20 PARTS LIST CPU Unit 21 MAIN Unit 21 24 PA Unit 24 Mechanical Parts 24 Packing Parts 25 ACCESSORIES 25 ACCESSORIES SCREW SET 25 ADJUSTMENT 1 Adjustment Spot 26...

Page 2: ... included Weight Approx 1 0 Kg Transmitter Output power Hi Mid Low 10 W 5 W 1 4 W Modulation system Variable reactance frequency modulation Maximum Frequency deviation 5kHz 2 5kHz Spurious emission 5 0 dB Adjacent channel power 6 0 dB Noise and hum ratio 4 0 dB 3 4 dB Microphone impedance 2kohm Receiver Sensitivity 12 dBu for 12 dB SINAD Receiver circuit Double conversion super heterodyne Intermed...

Page 3: ...fier Q105 then amplifies the signal of the selected frequency 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 11 15MHz shared with PLL IC reference oscillation which is oscillated the external oscillator X601 is input through pin 1 of IC108 Then these two signals are mixed by the interna...

Page 4: ... the VCO to change the electric capacity in the oscillation circuit This produces the frequency modulation 2 Power Amplifier Circuit The transmitted signal is oscillated by the VCO amplified by the younger amplifier Q115 and Q103 and input to the final power amplifier Q701 The signal is then amplified by the final power amplifier Q701 and led to the antenna switch D110 and low pass filter L113 L11...

Page 5: ...ame frequency is 64 Hz When the power from the DC cable increases from Circuits 0 V to 2 5 V or more H level reset signal is output from the reset IC IC4 to pin 33 of the CPU 1C1 causing the CPU to reset The reset signal however waits at 100 and dose not enter the CPU until the CPU clock X1 has stabilized 3 S Signal Meter Circuit The DC potential of IF IC is input to pin 1 of the CPU IC1 converted...

Page 6: ... is outputted from pin 41 C5C of CPU and drives ON the power supply switch control Q8 and Q7 which turns the 5VS ON 5VS turns ON the PLL 1C IC116 main power supply switch Q127 and Q122 AF POWER IC117 and the 8V ofAVR IC115 During reception pin 29 R5 of CPU outputs H level Q124 is ON and the reception circuits supplied by 8 V While during transmission pin 28 T5 of CPU outputs L level which is rever...

Page 7: ...o c o c o o o c o o o o o o o o o W W M W t O Q Q Q Q C L C L C L C L Q _ C L a Q Q O D D _ Q Q C L Q y i n f i n m n t m i m n SIÉlÉlÉ El 1HISI É1EHEslSIÉlÉlÉ1111IslÉlÉlÉlSISIÉlÉlÉl SE612 SEG 11 SEG 10 SEG 9 S E G 8 S E G 7 SEG 6 S E G 5 SEG 4 SEG 3 SEG 2 S E G 1 SEG 0 V C C VR EF A V S S C O M 3 C O M 2 C 0 M 1 C O M O VL3 VL2 C 2 C1 VL1 i i i i t n u r C O in co O C M o O z z z z Z C C Q a i Q ...

Page 8: ... 18 P46 SCLK1 STB 0 Strobe for PLL IC 19 P45 TXD UTX o UART data transmission output 20 P44 RXD RTX I UART data reception output 21 P43M TOUT BEEP I O Beep tone Band plan 3 22 P42 INT2 SEC I Security voltage input 23 P41 INT1 RE1 I Rotary encoder input 24 P40 25 P77 PTT I PTT input 26 P76 SSTB O Security mode 27 P75 W N o Wide Narrow SW 28 P74 T5 0 TX power ON OFF output 29 P73 R5 0 RX power ON OF...

Page 9: ... G 19 S19 0 70 P 30 SEG 18 S18 0 71 SEG 17 S17 o LCD segment signal 72 SEG 16 S16 o 73 SEG 15 S15 0 74 S EG 14 S14 0 75 SEG 13 S13 o 76 SEG 12 S12 o 77 SEG11 S11 o 78 SEG 10 S10 0 79 SEG 9 S9 0 80 SEG 8 S8 o 81 SEG 7 S7 o 82 SEG6 S6 0 83 SEG 5 S5 o 84 SEG 4 S4 o 85 SEG 3 S3 o A 86 SEG 2 S2 0 87 SEG1 S1 o 88 SEGO SO o 89 VCC VDD CPU power terminal 90 V R E F Vref AD converter power supply 91 AVSS A...

Page 10: ...5 4 s ____ a C 9 d d d 1 2 3 1 IN O UT 2 OUT IN 3 VSS 4 CONT 5 VDD 5 B L f l M d a d 1 2 3 CONT Function IN OUT L Disconnect Hi Z H Connect 290ohm typ 3 TC4W53FU XA0348 Multiplexer De multiplexer 8 7 6 5 n nil a m i 1 2 3 4 1 COMMON 2 INH 3 VEE 4 VSS 5 A 6 ch 1 7 ch 0 8 VDD Control input ON channel INH A L L ch 0 L H ch 1 H NONE Don t care 1 0 ...

Page 11: ...2 3 4 5 6 7 8 1 OSCIN 2 OSC OUT 3 MIX OUT 4 Vcc 5 IF IN 6 DEC 7 FIL OUT 8 FILIN 9 AF OUT 10 QUAD 11 IF OUT 12 RSSI 13 N DET 14 N REC 15 GND 16 MIX IN 5 LA4425A XA0410 5W Audio Power Amplifier Ö LA4425 1 Input 2 Small signal GND 3 Large signal GND 4 Output 5 Vcc Test Circuit 12 3 4 5 1 1 ...

Page 12: ... SDA SCL WP Vcc User Configurable Chip Select Ground Serial Address Data I O Serial Clock Write Protect Input 2 5 6 0V Power Supply 7 S 80845ALMP XA0620 4 5V Voltage Detector 4 P B 6 6 n b t i 1 2 3 1 GND 2 Vin 3 Vout 4 NC 5 NC 8 NJM78M05DL1A XA0947 5V 500mA Voltage Regulator 1 input 2 GND 3 Output izr 2 1 3 r i 7 8 M 0 5 A o 12 ...

Page 13: ...0R 1 2 3 4 5 6 7 8 Vcc 2 7 to 3 5V Ta 40 C to 85 C Parameter Symbo I Condition Min Typ Max Unit Power supply voltage Vcc 2 7 3 0 3 5 V Power supply current Icc 2500MHz Vcc Vp 3 75V 6 5 mA LPF supply voltage Vp Vcc 6 0 V Local oscillator input level Vfin 10 6 dBm Local oscillator input frequency fin 10 1100 MHz Xin input level Vxin 0 5 Vp p Xin input frequency Fxin 12 23 MHz 1 3 ...

Page 14: ...2902PWR XA1106 Quad Operational Amplifiers 1 4 1 3 1 2 1 1 1 098 1 Output A 2 Inverting Input A 3 Non inverting Input A 4 Vcc 5 Non inverting Input B 6 Inverting Input B 7 Output B 8 Output C 9 Inverting input C 10 Non inverting Input C 11 GND 12 Non inverting Input D 13 Inverting Input D 14 Output D 12 TA78DS10F XA1249 10V 30mA Voltage Regulator I Tnrrr 1 2 3 1 OUTPUT 2 COMMON 3 INPUT 1 4 ...

Page 15: ...A 7 n n G 2 G 1 j ___a X G W A U Ü U GSD U F b n D S 2 S K 2 _ 5 3 9 XÉÓÓ66 F A 1 1 1 1 C F A 1 1 J 1 C X L Ó Ó 7 7 2 S C 3 3 5 6 T 1 X T 0 0 3 Ö 2 S A 1 5 7 6 A xfÓÓ94 2 S C 4 0 8 Í x f0 0 9 5 2 S C 4 9 1 5 X T 0 1 7 8 X L 0 0 6 9 G XL A K R 2 4 F R I U B E C n c n B R Q 0 n u B E 2 S B 1 3 8 6 x f0 1 9 0 2 S A 2 0 7 0 X T 0 2 2 3 2 S C 4 7 3 8 X T Ö 2 2 4 R N 1 1 0 4 X U 0 1 9 5 E M D 6 XÚÓ2Ó9 R...

Page 16: ...l temperature 150 C Tstg Storage temperature 40 to 150 C Rth j c Thermal resistance Junction to case 2 2 c w ELECTRICAL CHARACTERISTICS Tc 25 C unless otherwise noted Symbol Parameter Conditions Limits Unit Min Typ Max loss Zero gate voltage drain current VD s 17V VG s 0V 10 ß A Igss Gate to source leak current VG S 10V VD S 0V 1 i A Vth Gate threshold voltage Vos 12V Ids 1mA 1 7 7 7 V Pout Output...

Page 17: ... ...

Page 18: ...15 L C D Connection TTR3626UPFDHN ...

Page 19: ...2 Top and Front View AA0050 NK0073 18 ...

Page 20: ...3 Bottom View AA0050 ...

Page 21: ...FF0017 1 LCD Assembly EXPLODED VIEW 20 ...

Page 22: ...EJ123X 1 R39 RK3558 Chip R ERJ2GEJ473X 1 1 R40 RK3562 Chip R ERJ2GEJ104X R41 RK3526 Chip R ERJ2GEJ101X 1 1 R42 RK3550 Chip R ERJ2GEJ103X 1 1 R43 RK35S0 Chip R ERJ2GEJ103X 1 R44 RK3026 Chip R MCR03EZPJ101 1 R45 RK3550 Chip R ERJ2GEJ103X 1 Ref No Part No Description Parts Name Qtv DR M03R R 03T R4S RK3538 Chip R ERJ2GEJ102X 1 1 R50 RK3570 Chip R ERJ2GEJ474X 1 1 R51 RK3538 Chip R ERJ2GEJ102X 1 1 R52 ...

Page 23: ...ZT NS C255 CED364 Electrolytic C 16ME47SWB TS 1 C256 CU3059 Chip C C1608JF1H104ZT NS 1 C257 CE0339 Electrolytic C 16ME1 OSWB TS ALC 1 Ref No Part No Description Parts Name Qty C258 CU0108 Chip C LMK212BJ105KG T 1 C260 CE0339 Electrolytic C 16ME1OSWB TS ALC 1 C261 CU3535 Chip C GRM155B11H102KA01D C262 CU3535 Chip C G RM155B11H102KA01D C263 CS0424 Chip tantalum TMCMA1C106MTRF 1 C264 CU3531 Chip C GR...

Page 24: ...2GEJ101X 1 R112 RK3S26 Chip R ERJ2GEJ101X 1 R113 RK3530 Chip R ERJ2GEJ221X 1 R114 RK3540 Chip R ERJ2GEJ152X 1 R116 RK3534 Chip R ERJ2GEJ471X 1 R117 RK3562 Chip R ERJ2GEJ104X 1 R116 RK3S26 Chip R ERJ2GEJ101X 1 Ref No Part No Description Parts Name Qty R119 RK2012 Chip R ERJ12YJ470U 1 R125 RK3538 Chip R ERJ2GEJ102X 1 R128 RK3562 Chip R ERJ2GEJ104X R129 RK3550 Chip R ERJ2GEJ103X R130 RK3562 Chip R ER...

Page 25: ... Chip R ERJ2GEJ224X 1 R422 RK3562 Chip R ERJ2GEJ104X 1 R423 RK3550 Chip R ERJ2GEJ103X R429 RK3501 Chip R ERJ2GE0R00X R431 RK3558 Chip R ERJ2GEJ473X R506 RK3562 Chip R ERJ2GEJ104X 1 R507 RK3538 Chip R ERJ2GEJ102X R5D8 RK3546 Chip R ERJ2GEJ472X R521 RK2012 Chip R ERJ12YJ470U R522 RK4026 Chip R ERJ12YJ101U R523 RK3001 Chip R MCR03EZPJ000 R524 RK3518 Chip R ERJ2GEJ220X Ref No Part No Description Parts...

Page 26: ...1 1 AJ0025 Screw PH T3 5 10 FE N 1 2 EBC 7 Mic Hanger MIC HANGER 1 1 EHM53B Microphone MICROPHON EMS53B 1 EHM57D Microphone MICROPHON EMS57D 0 1 HP0009 Plastic Bag PLA BAG 5X125X250 1 1 HP0016 Plastic Bag 5X75X90 1 1 HP0035 Plastic Bag E BAG 5X200X250 1 1 PF0137 ADD SHEET DR03T 0 1 PH0015 WARRANTY CEAT EXPO 0 1 PK0125 Diagram SCHEMATIC DR03T 0 1 PS0530A Manual INSTRUCTION DR135LH 1 1 YZ0138 Tape T...

Page 27: ... 3 5KHz DEV DR M03R If without instruction SSG output is MOD 1KHz DEV 1 75KHz DEV DR 03T Standard modulation is also based above Speaker load is 8 ohm and output is 5 0 1 0 0 mV roi o ImJ O n x z V R 1 0 4 S3 V R 1 0 3 o V R 1 0 7 V R 1 0 6 V K IU JUU UUUl C N 1 0 1 V R 1 0 9 o g g g I Í I 1 f 0 L 102 L 103 L 104 T C 6 0 1 0 V R 1 0 1 L 105 ...

Page 28: ...ification ITEM CONDITION UNIT ADJ SPOT ADJUSTING MRTHOD HI POWER Adjustment 29 00MHz HI POWER MAIN VR103 Adjust to 11 0 0 5W MID POWER Adjustment 29 00MHz MID POWER MAIN VR104 Adjust to 5 0 0 5W LOW POWER Confirmation 29 00MHz LOW POWER MAIN Confirm if it becomes 1 4W Maximum Deviation Adjustment 29 00MHz MOD 1KHz 40mVemf MAIN VR107 4 5 0 1 KHz DEV DR M03R 2 2 0 1 KHz DEV DR 03T Mic Gain Adjustmen...

Page 29: ...ION ADJ STANDARD TEST STANDARD NOTE Tx Output HI POWER 28 00MHz 29 00MHz 29 68MHz 11 0 5W 11 2W 11 1W 11 2W Tx Output MID POWER 29 00MHz 5 0 5W 5 1W Tx Output LOW POWER 29 00MHz 1 4W 1 4W Drain Current 29 00MHz Less than 2 5A Less than 2 8A Frequency Deviation 29 00MHz Within 0 1 KHz Within 0 5KHz Spurious 28 00MHz 29 00MHz 29 68MHz More than 55dB More than 55dB More than 55dB More than 50dB More ...

Page 30: ...PC BOARD VIEW 1 CPU Unit SIDE A DR M03RI DR 03T UP0584 2 CPU Unit SIDE B DR M03RI DR 03T UP0584 Bonding ...

Page 31: ...3 MAIN PA Unit Side A DR M03RI DR 03T UP0584 ...

Page 32: ...4 MAIN PA Unit Side B DR M03R DR 03T UP0584 MAIN Unit O S fP n m i h i m t hitch S o ilUilii Bg rnnrn yl K2 i C 1 6 2 3 1lg sr 0H i 0 3 C P 17 T 2 o cLli gC i iJ S o o a0fiOS PA Unit I L 30 ...

Page 33: ...SCHEMATIC DIAGRAM 1 CPU Unit DR M03RI DR 03T P O W E R JP3 M03R NC 03T JUMPER fM ACT 0 GG ...

Page 34: ...2 MAIN Unit DR M03RI DR 03T 3 2 ...

Page 35: ...1 DR M03R DR 03T BLOCK DIAGRAM 33 ...

Page 36: ...ai Building 9th Floor 2 6 1 Chôme Dojimahama Kita ku Osaka 530 0004 JAPAN Phone 81 6 4797 2136 Fax 81 6 4797 2157 E maiI export alinco co jp Dealer Distributor Copyright Alineo Inc Osaka Japan Printed in Japan PM0099 FNNK NJ AE3753 ...