Alinco DR-620E Manuel d'utilisateur

DR-620Service ManualCONTENTSSPECIFICATIONS1) GENERAL ... 22) TRANSMITTER ...

10SEMICONDUCTOR DATA1) M5218FP (XA0068)Power Supply PlusOutput 2Inverting Input 2Non Inverting Input 28765Output 1Inverting Input 1Non Inverting Input

114) TC4S66F (XA0115)Bilateral Switch5) AN8010M (XA0119)312AN8010MVin Vout0.33µF10µFCAOutput Common InputTest Circuit10V Voltage RegulatorAN8010M6) BU

127) TA75S01F (XA0332)S A512435VCCIN(+) VEE IN(-)OUT1243+Operational Amplifiers8) TC4W53FU (XA0348)Control inputON channelINHLLHALH*ch0ch1NONE* Don&ap

1310) LA4425A (XA0410)4+++12345Input1000F2.2F1000 F13.2VVccSP12534Vcc=13.2V RL=4 Po =5W Gain= 45dBLA44255W Audio Power AmplifiersTest Circuit11) NJM29

1413) S-80845ALMP-EA9-T2 (XA0620)Voltage Detector1523414) TK10931V (XA0666)1 2 3 4 5 6 7 8 9 10 11 1224 23 22 21 20 19 18 17 16 15 14 13AMDETRSSIRECTC

1515) BR24C64F-E2 (XA0669)1234A0A1A2GNDVccWPSCLSDA876513bit8bit64Kbit EEPROM ARRAYADDRESSDECODERSLAVE•WORDADDRESS REGISTERDATAREGISTERCONTROL CIRCUI

1616) LC75884W (XA0899)LCD DriverBlock Diagram

1717) M51132FP (XA0900)16151413121110912345678Ref. supply outFilterNCGNDVolume 1 cont.Noise cont.Volume 2 cont.VCA SWOutput 1Input 1VCCNCNCInput 2Outp

18No. Pin Name Function I/O Logic up Description1 P94/DA1TONE O D/A CTCSS tone output/DCS output2 P93/DA0APC O D/A Power output control3P92DATA O P

19596062P31DCSU O Activ highActiv highActiv highActiv highActiv highActiv highActiv highActiv highActiv highActiv highActiv highActiv highActiv highAc

2SPECIFICATIONS1) GENERALFrequency coverage 87.500 - 107.995MHz (WFM RX)DR-620T (U.S amateur) 108.000 - 135.995MHz (AM RX)136.000 - 173.995MHz (RX)14

2019) M38503M2H667FP (XA0914)Front CPU

21No. Pin Name Function I/O Logic Description1 VccVCC2 Vref VREF3 Avss AVSS4 P44 PTT I Activ low PTT key input5 P43 RE1 I Pulse Dial (rotary encoder)

2220) M64076AGP (XA0915)Equivalent CircuitADual PLL SynthesizerParameter Symbol Condition Min.

2321) S-816A50AMC (XA0925)1 2 35 4No. Terminal1 EXT4 VIN5 VOUT2 VSS3 ON/OFFVoltage RegulatorTop ViewVSSON/OFFVINVVOUTEXT-+AA-+22) NJM78M

2423) Transistor, Diode, and LED Outline DrawingsMI7XB15A407AGBXD0013MA742XD0250M1UA1SS355XD0254DSA3A1XD0131A2UDZ5. 1BXD 0165MDAN235E-TLXD0320C3ISS362

25RD70VHF1 (XE0047)132SymbolPchVDSSVGSSTjTstgTest conditionsTc=25˚CVgs=0VVds=0VRating15030±20+175-40 ~ +125UnitWVV˚C˚CABSOLUTE MAXIMUM RATINGELECTRICA

2624) LCD Connection

27S1S2S3S4S5S6S7S8S9S10S11S12COM4COM3COM2COM1S13S14S15S16S17S18S19S20S21S22S23S24S25S26S27S28S29S30S31S32S33S34S35S36S37S38S39S40S41S42S43S44S45S46S47

28EXPLODED VIEW1) Front ViewFP0153AKZ0147NP0139UE0035NK0072DP0145FM0034UP0448ANK0073AN0013NP0140FP0153ADG0042NK0072DG0042EL0054ST0081 FG0352TL0029DG00

292) Bottom View FG0361ST0065ES0017UX1047ST0066TG0034AA0050KS0081AA0050AA0050AV0006AA0050AW0012AV0006AV0006AV0006FM0220AA0077AA0077AA0077AA0077AZ0037

33) RECEIVERSensitivity -16dBu for 12dB SINADReceiver circuitry Double conversion superheterodyneIntermediate frequency 1st 21.7MHz 2nd 450kHz

30PARTS LISTFront UnitRef.No. (T) (E)C601 CU3535 Chip C. GRM36B102K50PT 1 1C602 CS0424 Chip Tantalum TMCMA1C106MTR 1 1C603 CU3523 Chip C. GRM36CH101J

31Ref.No. (T) (E)RE601 UR0015 Dial RH90N74E20-A90770 1 1SW601 UU0015Z Switch EVQPPPA25 1 1SW602 UU0015Z Switch EVQPPPA25 1 1SW603UU0015Z Switch EVQPPP

32Ref.No. (T) (E)C86 CU3535 Chip C. GRM36B102K50PT 1 1C87 CU3035 Chip C. C1608JB1H102KT-AS 1 1C88 CU3035 Chip C. C1608JB1H102KT-AS 1 1C89 CU3111 Chip

33Ref.No. (T) (E)C220 CU3535 Chip C. GRM36B102K50PT 1 1C221 CU3547 Chip C. GRM36B103K16PT 1 1C222 CU3535 Chip C. GRM36B102K50PT 1 1C223 CU3535 Chip C.

34Ref.No. (T) (E)C359 CU3522 Chip C. GRM36CH820J50PT 1 1C360 CU3551 Chip C. GRM36B223K16PT 1 1C361 CU3527 Chip C. GRM36CH221J25PT 1 1C362 CS0424 Chip

35Ref.No. (T) (E)C493 CU3551 Chip C. GRM36B223K16PT 1 1C494 CU3549 Chip C. GRM36B153K16PT 1 1C495 CS0049 Chip Tantalum TMCSA1C105MTR 1 1C496 CU3547 Ch

36Ref.No. (T) (E)D53 XD0338 Chip Diode 1SS362(TE85L) 1 1D54 XD0342 Chip Diode 1SS390 TE61 1 1D57 XD0165 Chip Diode UDZSTE-17 5.1B 1 1D58 XD0165 Chip D

37Ref.No. (T) (E)L86 QC0526 Chip Inductor LQN21A10NJ04 1 1L87 QC0530 Chip Inductor LQN21A22NJ04 1 1L88 QC0518 Chip Inductor LK16081R5K-T 1 1L89 QC0532

38Ref.No. (T) (E)R2 RK6024 Chip R. ERJ1WYJ680H 1 1R3 RK3546 Chip R. ERJ2GEJ472X 1 1R4 RK3546 Chip R. ERJ2GEJ472X 1 1R5 RK3062 Chip R. MCR03EZHJ104 1 1

39Ref.No. (T) (E)R132 RK3550 Chip R. ERJ2GEJ103X 1 1R133 RK3522 Chip R. ERJ2GEJ470X 1 1R134 RK3550 Chip R. ERJ2GEJ103X 1 1R135 RK3522 Chip R. ERJ2GEJ4

4CIRCUIT DESCRIPTION1) VHF ReceptionIncoming VHF signals are passed through a low-pass filter network, antenna switching diodes D20(1SV268), D19 (1SS3

40Ref.No. (T) (E)R269 RK3526 Chip R. ERJ2GEJ101X 1 1R270 RK3562 Chip R. ERJ2GEJ104X 1 1R271 RK3526 Chip R. ERJ2GEJ101X 1 1R272 RK3546 Chip R. ERJ2GEJ4

41Ref.No. (T) (E)R410 RK3542 Chip R. ERJ2GEJ222X 1 1R411 RK3550 Chip R. ERJ2GEJ103X 1 1R412 RK3566 Chip R. ERJ2GEJ224X 1 1R413 RK3550 Chip R. ERJ2GEJ1

42Ref.No. (T) (E)TH1 XS0021 Thermistor TBPS1R103K440H5Q 1 1VR3 RH0142 Trimmer R. MVR22HXBRN103 1 1VR4 RH0142 Trimmer R. MVR22HXBRN103 1 1VR5 RH0146 Tr

43ADJUSTMENT1) Adjustment SpotPower Supply Voltage 13.8VOutput of SSG is all EMF indicationIf without instruction,SSG output is MOD 1KHz 3.5KHz/DEV.

453) VHF Adjustment SpecificationITEM CH No CONDITION UNIT ADJ.SPOT ADJUSTING METHOD PD ADJ. CH1 146.00MHz RX MAIN L25 Adjust so that PDV voltag

464) UHF Adjustment SpecificationITEM CH No UNIT CONDITIONADJ. SPOT ADJUSTING METHOD PD ADJ. CH1 440.00MHz RX MAIN L57 Adjust so that PDU voltage bec

475) VHF Test SpecificationTEST ITEM CONDITION TEST STANDARD NOTE 136.05MHz 145.90MHz 173.95MHz Less than –7dBu than –6dBu Less than –7dBu Less th

486) UHF Test SpecificationTEST ITEM CONDITION TEST STANDARD NOTE 400.05MHz 440.05MHz 479.95MHz Less than –3dBu Less than -7dBu Less than -5dBu 85

492) Front Side BLEDLEDPC BOARD VIEW1) Front Side A

52) UHF ReceptionIncoming UHF signals are passed through a low-pass filter network, high-pass filter network, antennaswitching diodes D16 (1SS355) and

503) Main Side A

514) Main Side BFM0214FM0222

52FRFRFRFRFRONT SCHEMAONT SCHEMAONT SCHEMAONT SCHEMAONT SCHEMATIC DIATIC DIATIC DIATIC DIATIC DIAGRAMGRAMGRAMGRAMGRAM

54FRONT BLOCK DIAGRAM

55MAIN BLOCK DIAGRAM

Dealer/DistributorDJ-195Service ManualALINCO, INC.Head Office : Shin-Dai Building 9th Floor2-6, 1-Chome, Dojimahama, Kita-ku, Osaka 530

64) V/V (VHF-VHF) Dual ReceptionDuring V & V operation, the incoming VHF “sub” band signal is passed through a low-pass filter network,antenna swi

78) Transmit Signal PathThe speech signal from the microphone passes through the MIC jack CN601 to AF amplifier IC601(M5218FP) on the FRONT UNT. The

812) UHF Tx APC CircuitA portion of the power amplifier output is rectified by D9 (M44S713), D22 (MA4S713) and Q12(2SC4081), then delivered to APCD IC

916) UHF PLLA portion of the output from the UHF VCO Q29 (2SK508) passes through buffer amplifier Q28 (2SC5066)and Q39 (2SC5066) to the programmable d