Alinco DJ-G1T Service Manual

DJ-G1T/E
Service Manual
CONTENTS
• SPECIFICATIONS
1) General...................................................................2
2) Transmitter
.............................................................2
3) Receiver..................................................................2
• CIRCUIT DESCRIPTION
1) Receiver System.............................................3 _ 5
2) Transmitter System ........................................ 5 ,6
3) PLL Circuit...............................................................6
4) VCO Circuit.......................................................6 - 7
5) DTMF Circuit...........................................................7
6) Tone Squelch Circuit..............................................7
7) Terminal Function of Microprocessor ......... 8-10
8) Terminal Function of IC302 .................................11
9) Terminal Function of IC303.................................12
• SEMICONDUCTOR DATA
1) BU4094..................................................................13
2) CM8870CFIT.........................................................14
3) M5218FP............................................................... 15
4) M5237ML.............................................................. 15
5) M67748L............................................................... 16
6) MB 1505................................................................ 16
7) MX265.................................................................. 17
8) MJM386................................................................ .18
9) RN5VL45C............................................................18
10) X24C08S14-3.0T.................................................18
11) TK10930VTL.........................................................19
12)Transistor, Diode and LED Outline Drawings...20
13) . LCD Connection..........................................21 -2 2
• EXPLODED VIEW
1) Front View 1..........................................................23
2) Front View 2.........................................................24
3) Rear View ............................................................25
4) Charge Unit..........................................................26
5) LCD......................................................................27
• PARTS LIST
RF Unit..........................................................28-30
IF Unit............................................................31 - 33
CPU Unit........................................................33 - 34
VCO Unit............................................................... 35
Charge Unit...........................................................35
Key Unit..................................................................36
PTT Unit................................................................ 36
TSQ Unit................................................................ 36
Mechanical Parts.................................................. 37
Packing.................................................................. 37
• ADJUSTMENT
1) DJ-G1T Adjustment.............................................38
2) DJ-G1E Adjustment.............................................39
3) Adjustment Points................................................ 40
• PC BOARD VIEW
1) RF Unit Side A......................................................41
2) RF Unit Side B......................................................42
3) IF Unit Side A........................................................43
4) IF Unit Side B........................................................44
5) CPU Unit Side A................................................... 45
6) CPU Unit Side B................................................... 46
7) VCO Unit............................................................... 47
8) KEY Unit................................................................ 48
9) Charge Unit...........................................................48
10) PTT Unit................................................................ 48
• CIRCUIT DIAGRAM
1) RF Unit...................................................................49
2) IF Unit....................................................................50
3) CPU Unit................................................................ 51
4) KEY Unit............................................................... 52
5) Charge Unit......................................................... 52
6) CTCSS Unit.........................................................52
• BLOCK DIAGRAM...........................................................53
E ALINCO ELECTRONICS INC

Alinco DJ-G1T Specifications

General

Brand	Alinco
Model	DJ-G1T
Category	Transceiver
Language	English