Alinco DR-620 Ricetrasmittente
Produttore:
Modello:
DR-620
Data:
2002
Categoria:
Gruppo:
Descrizione:
Manuale di servizio
Tipo di manuale:
Manuale di servizio
Pagine:
56
Dimensione:
1.16 Mbytes (1217709 Bytes)
Lingua:
english
Revisione:
ID del manuale:
PM0075
Data:
Qualità:
Documento scansionato, tutto leggibile.
Data caricamento:
2014 04 27
MD5:
3ee164901970f6de2fcddb86dd04e7a8
Scaricamenti:
1014

Informazioni

SPECIFICATIONS 1) GENERAL ... 2 2) TRANSMITTER ... 2 3) RECEIVER ... 3 CIRCUIT DESCRIPTION 1) VHF Reception ... 4 2) UHF Reception ... 5 3) FM Reception ... 5 4) V/V (VHF-VHF) Dual Reception ... 6 5) U/U (UHF-UHF) Dual Reception ... 6 6) VHF Squelch Control ... 6 7) UHF Squelch Control ... 6 8) Transmit Signal P ath ... 7 9) VHF Transmit Signal P a th ... 7 10) UHF Transmit Signal Path ... 7 11) VHF Tx APC Circuit ... 7 12) UHF Tx APC Circuit ... 8 13) VHF PTT Circuit ... 8 14) UHF PTT Circuit ... 8 15) VHF PLL ... 8 16) UHF PLL ... 9 17) Power-on Circuit ... 9 SEMICONDUCTOR DATA 1) M5218FP (XA0068) ... 10 2) NJM78L05UA (XA0098) ... 10 3) NJM7808FA (XA0102) ... 10 4) TC4S66F (XA0115) ... 11 5) AN8010M (XA0119) ... 11 6) BU4052BF (XA0236) ... 11 7) TA75S01F (XA0332) ... 12 8) TC4W53FU (XA0348) ... 12 9) TA31136FN (XA0404) ... 12 10) LA4425A (XA0410) ... 13 11) NJM2904V (XA0573) ... 13 12) NJM2902V-TE1 (XA0596) ... 13 13) S-80845ALMP-EA9-T2 (XA0620) ... 14 14) TK10931V (XA0666) ... 14 15) BR24C64F-E2 (XA 0 6 6 9 ) ... 15 16) LC75884W (X A 0 8 9 9 ) ... 16 17) M51132FP (XA0900) ... 17 18) M30620FCAGP (XA0913/XA0949) ... 17~19 19) M38503M2H667FP (XA0914) ... 20~21 20) M64076AGP (XA 0 91 5) ... 22 21) S-816A50AMC (XA0925) ... 23 22) NJM78M05DL1A (XA 0 9 4 7 ) ... 23 23) Transistor, Diode, and LED Outline Drawings ... 24~25 24) LCD Connection ... 26~27 EXPLODED VIEW 1) Front View ... 28 2) Bottom V iew ... 29 PARTS LIST Front Unit ... 30~31 LED Unit ... 31 Main U n it ... 31~42 Mechanical Parts ... 42 Packing Parts ... 42 Accessories (Screw S e t) ... 42 ADJUSTMENT 1) Adjustment S p o t ... 43 2) Adjustment Mode ... 44 3) VHF Adjustment Specification ... 45 4) UHF Adjustment Specification ... 46 5) VHF Test Specification ... 47 6) UHF Test Specification ... 48 PC BOARD VIEW 1) Front Side A ... 49 2) Front Side B ... 49 3) Main Side A ... 50 4) Main Side B ... 51 FRONT SCHEMATIC D IA G R AM ... 52 MAIN SCHEMATIC D IAGR AM ... 53 FRONT BLOCK D IA G R AM ... 54 MAIN BLOCK DIAGR AM ... 55

mostra più dettagli