Alinco DR-610T Service Manual

«
DR-61 OT/E Service Manual
CONTENTS
• SPECIFICATIONS
1 ) General...........................................2
2) Transmitter........................................2
3) Receiver...........................................2
• CIRCUIT DESCRIPTION
1 ) Receiver System..............................3 - 8
2) Transmitter System ............................... 9
3) PLL Circuit ................................. .10-11
4) Front CPU and Peripheral Circuit ........ 11 ~ 12
5) Sub CPU and Peripheral Circuit .......... .12 ~ 13
6) CTCSS Tone Encoder Circuit .................. 13
7) Packet Circuit .................................... 14
8) Front CPU I/O Port (IC501 )................15-16
9) Main CPU I/O Port (IC601) ............... 17 ~ 18
• SEMICONDUCTOR DATA
1) AN8010M ........................................ 19
2) BU4094BF ........................................19
3) L78LR05D.......................................20
4) LA4445...........................................20
5) M56760FP.......................................21
6) M57788MR ...................................... 22
7) MC7808..........................................23
8) NJM4066B .......................................23
9) NJM2902M (T1).................................23
10) NJM4558 ........................................ 24
11 ) RH5VA60AA .....................................24
12) nPC1676G.......................................24
13) S-AV17...........................................25
14) TC4S11F ........................................ 26
15) TC4S66F ........................................ 26
16) TC4W53F........................................26
17) TC9154AP ....................................... 27
18) TC95219F .......................................28
19) TC35305F (TP1).................................29
20) TK10489M.......................................30
21) TK10930VTL .................................... 31
22) Transistor, Diode and LED Outline Drawings... 32
23) LCD ....................................... 33-34
• EXPLODED VIEW
1 ) Front View .......................................35
2) LCD View ........................................ 35
3) VHF Unit View...................................36
4) UHF Unit View...................................37
Dv
A L I N C O E L E C T R O N I C S IN C .
• PARTS LIST
VHF MAIN Unit ............................ 38-40
UHF MAIN Unit ............................. 40-42
VOL Unit..........................................42
FRONT CPU Unit .......................... 44-43
SUB CPU Unit ..............................50- 45
VHF VCO Unit....................................45
VHF PLL Unit .................................... 45
UHF VCO Unit....................................46
UHF PLL Unit...............................54 - 46
AIR Unit...........................................46
ENC Unit ......................................... 47
SP Unit ........................................... 47
FAN Unit ......................................... 47
Packet ............................................47
Mechanical Parts................................ 47
PCB...............................................47
Packing........................................... 47
EHM35B..........................................47
EHM39........................................... 48
• ADJUSTMENT
1) Required Test Equipment.......................49
2) Adjustment Points..........................50 — 51
3) UHF RX Adjustment.............................52
4) UHF TX Adjustment.............................53
5) VHF RX Adjustment.............................54
6) VHF TX Adjustment ............................. 55
• PC BOARD VIEW
1) VHF MAIN/AIR Unit Side A ..................... 56
2) VHF MAIN/AIR Unit Side B ..................... 57
3) UHF MAIN/ENC/VOL Unit Side A .............. 58
4) UHF MAIN/ENC/VOL Unit Side B .............. 59
5) Front CPU Unit Side A .......................... 60
6) Front CPU Unit Side B .......................... 60
7) SUB CPU Unit Side A ........................... 61
8) SUB CPU Unit Side B ........................... 61
9) VHF VCO Unit ...................................62
10) VHF PLL Unit....................................62
11) UHF VCO Unit...................................62
12) UHF PLL Unit....................................62
• BLOCK DIAGRAM
1) Main Block Diagram ............................. 63
2) CPU Block Diagram ............................. 64
3) PLL Block Diagram .............................. 65
• SCHEMATIC DIAGRAM
1) VHF MAIN UNIT ........................... 66-67
2) UHF MAIN UNIT ........................... 68-69
3) FRONT CPU UNIT..............................70
4) SUB CPU Unit ................................... 71
5) VHF VCO, PLL Unit ............................. 72
6) UHF VCO, PLL Unit ............................. 73
7) ENC Unit ......................................... 74
8) EHM35B ......................................... 75
9) EHM39................ . ...........................75
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Alinco DR-610T Specifications

General

Frequency Range	144-148 MHz / 430-450 MHz
Mode	FM
Voltage	13.8V DC
Memory Channels	200
Antenna Connector	SO-239
Type	Mobile
Audio Power Output	2W
Output Power	50W (VHF), 35W (UHF)