Alinco DR-620 VHF UHF FM Radio Instruction Service Manual

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CategoriesAlinco Brand Manuals, Alinco DR Manuals, Alinco Manuals, Communications Manuals, Consumer Electronic, Two-Way Radio Manuals
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- 56 pages
Document File TypePDF
Publisheralinco.com
Wikipedia's PageAlinco
CopyrightAttribution Non-commercial
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DR-620 Service Manual CONTENTS SPECIFICATIONS 1) GENERAL 2 2) TRANSMITTER 2 3) RECEIVER . 3 15) BR24C64F-E2 (XA0669) 15 16) LC75884W (XA0899) . 16 17) M51132FP (XA0900) 17 18) M30620FCAGP (XA0913/XA0949) . 17 19 19) M38503M2H667FP (XA0914) . 20 21 20) M64076AGP (XA0915) . 22 21) S-816A50AMC (XA0925) 23 22) NJM78M05DL1A (XA0947) 23 23) Transistor, Diode, and LED Outline Drawings 24 25 24) LCD Connection .

26 27 CIRCUIT DESCRIPTION 1) VHF Reception . 4 2) UHF Reception . 5 3) FM Reception. V/V (VHF-VHF) Dual Reception 6 U/U (UHF-UHF) Dual Reception . 6 VHF Squelch Control 6 UHF Squelch Control 6 Transmit Signal Path . 7 VHF Transmit Signal Path . 7 UHF Transmit Signal Path . 7 VHF Tx APC Circuit 7 UHF Tx APC Circuit 8 VHF PTT Circuit 8 UHF PTT Circuit . 8 VHF PLL . 8 EXPLODED VIEW 1) Front View . 28 2) Bottom View 29 PARTS LIST Front Unit . 30 31 LED Unit . 31 Main Unit 31 42 Mechanical Parts 42 Packing Parts 42 Accessories (Screw Set) . 42 16) UHF PLL . 9 17) Power-on Circuit . 9 ADJUSTMENT 1) 2) 3) 4) Adjustment Spot . 43 Adjus

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