Equipment information

Alinco DR-620 Transceiver
Manufacturer
Alinco
Model DR-620
Date 2002
Category: Radio, Communication
Group Transceiver
Description
Information
                                    

These manuals are available for the above equipment:

Alinco -- DR-620 -- Service Manual
File name Alinco-5835-Manual-Page-1-Picture
Manual Type Service Manual
Pages 56
Size 1.16 Mbytes (1217709 Bytes)
Language english
Revision
Manual-ID/Number PM0075
Date 2002
Quality Scanned document, all readable.
Upload date
MD5 3ee164901970f6de2fcddb86dd04e7a8
Downloads 182 since 27 April 2014
Information
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
Alinco-5835-Manual-Page-1-Picture
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