Alinco DR-135 User Manual

DR-135 / DR-235 / DR-435
Service Manual
CONTENTS
SPECIFICATIONS
GENERAL ........................................................................................ 2
TRANSMITTER ................................................................................ 2
RECEIVER ....................................................................................... 2
CIRCUIT DESCRIPTION DR-135
1) Receiver System (DR-135) ........................................................... 3, 4
2) Transmitter System (DR-135) ....................................................... 4, 5
3) PLL Synthesizer Circuit (DR-135) ................................................. 5, 6
4) Receiver System (DR-235) ........................................................... 6, 7
5) Transmitter System (DR-235) ....................................................... 7, 8
6) PLL Synthesizer Circuit (DR-235) ................................................. 8, 9
7) Receiver System (DR-435) ......................................................... 9, 10
8) Transmitter System (DR-435) ......................................................... 10
9) PLL Synthesizer Circuit (DR-435) ................................................... 11
10) CPU and Peripheral Circuits(DR-135 DR-235 DR-435) ............. 11,12
11) Power Supply Circuit ....................................................................... 13
12) M3826M8269GP (XA0818) ....................................................... 14~16
SEMICONDUCTOR DATA
1) M5218FP (XA0068) ........................................................................ 17
2) NJM7808FA (XA0102) .................................................................... 17
3) TC4S66F (XA0115) ........................................................................ 17
4) TK10930VTL (XA0223) .................................................................. 18
5) BU4052BF (XA0236) ...................................................................... 19
6) TC4W53FU (XA0348) .................................................................... 19
7) M64076GP (XA0352) ..................................................................... 20
8) LA4425A (XA0410) ......................................................................... 21
9) M67746 (XA0412) .......................................................................... 21
10) M68729 (XA0591) .......................................................................... 22
11) M57788 (XA0077A) ........................................................................ 23
12) mPC2710T (XA0449) ..................................................................... 24
13) NJM2902 (XA0596) ........................................................................ 24
14) 24LC32A (XA0604) ........................................................................ 25
15) S-80845ALMP-EA9-T2 (XA0620) ................................................... 25
16) L88MS05TLL (XA0675) .................................................................. 25
17) AN8010M (XA0119) ....................................................................... 26
18) TK10489M (XA0314) ...................................................................... 26
19) Transistor, Diode, and LED Ontline Drawings .................................. 27
20) LCD Connection (TTR3626UPFDHN) ........................................... 28
EXPLODED VIEW
1) Top and Front View ......................................................................... 29
2) Bottom View .................................................................................... 30
3) LCD Assembly................................................................................ 31
PARTS LIST
CPU ..........................................................................................32, 33
Main Unit(DR-135) .................................................................... 33~36
Main Unit(DR-235) .................................................................... 36~39
VCO Unit(DR-235) ......................................................................... 39
Main Unit(DR-435) .......................................................................... 42
VCO Unit(DR-435) ......................................................................... 42
Mechanical Parts ............................................................................ 43
Packing Parts ................................................................................. 43
ACCESSORIES.............................................................................. 43
ACCESSORIES(SCREW SET) ...................................................... 43
TNC(EJ41U) .................................................................................. 44
TNC (EJ41U) Packing Parts ........................................................... 45
DR-135 ADJUSTMENT
1) Adjustment Spot ............................................................................ 46
2) VCO and RX Adjustment Specification ........................................... 47
3) Tx Adjustment Specification ............................................................ 47
4) Rx Test Specification ....................................................................... 48
5) Tx Test Specification ....................................................................... 49
DR-235 ADJUSTMENT
1) Adjustment Spot ............................................................................ 50
2) VCO and RX Adjustment Specification ........................................... 51
3) Tx Adjustment Specification ............................................................ 51
4) Rx Test Specification ....................................................................... 52
5) Tx Test Specification ....................................................................... 53
DR-435 ADJUSTMENT
1) Adjustment Spot ............................................................................ 54
2) VCO and RX Adjustment Specification ........................................... 55
3) Tx Adjustment Specification ............................................................ 55
4) Rx Test Specification ....................................................................... 56
5) Tx Test Specification ....................................................................... 57
PC BOARD VIEW
1) CPU Unit Side A ............................................................................. 58
2) CPU Unit Side B ............................................................................. 58
3) Main Unit Side A DR-135 (UP 0400B) ............................................. 59
4) Main Unit Side B DR-135 (UP 0400B) ............................................. 59
5) Main Unit Side A DR-235 (UP 0414) ............................................... 60
6) Main Unit Side B DR-235 (UP 0414) ............................................... 60
7) Main Unit Side A DR-435 (UP 0415) ............................................... 61
8) Main Unit Side B DR-435 (UP 0415) ............................................... 61
9) Tnc Unit Side A (UP 0402) (DR-135TP only) .................................. 62
10) Tnc Unit Side B (UP 0402) (DR-135TP only) .................................. 62
SCHEMATIC DIAGRAM
1) CPU Unit DR-135 / DR-235 / DR-435 ............................................. 63
2) Main Unit DR-135 ........................................................................... 64
3) Main Unit DR-235 ........................................................................... 65
4) Main Unit DR-435 ........................................................................... 66
5) TNC Unit (DR-135TP only) ............................................................. 67
BLOCK DIAGRAM
1) DR-135 ........................................................................................... 68
2) DR-235 ........................................................................................... 69
3) DR-435 ........................................................................................... 70
ALINCO,INC.
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Alinco DR-135 Specifications

General

Brand	Alinco
Model	DR-135
Category	Receiver
Language	English

Summary

Specifications

General Specifications

Covers basic operating parameters like frequency, mode, and power requirements.

Transmitter Specifications

Details output power, modulation, and spurious emissions for the transmitter.

Receiver Specifications

Covers sensitivity, circuitry, and selectivity specifications for the receiver.

Circuit Description

Receiver System (DR-135)

Details the front-end, IF, demodulator, and audio circuits for the DR-135.

Transmitter System (DR-135)

Explains the modulator, power amplifier, and APC circuits for the DR-135.

PLL Synthesizer Circuit (DR-135)

Describes the PLL, reference frequency, and VCO control for the DR-135.

CPU and Peripheral Circuits

Covers CPU functions like LCD, dimmer, and encoders across models.

Semiconductor Data

TK10930VTL (XA0223) IC

Narrow Band FM IF IC parameters and schematic.

M67746 (XA0412) RF Power Module

144~148MHz 60W RF Power Module specifications.

Transistor, Diode, and LED Outline Drawings

Visual representations of electronic component outlines.

DR-135 Adjustment and Testing

Adjustment Spot

Specifies voltage, output, and modulation for adjustment.

Tx Adjustment Specification

Covers power, deviation, and modulation level adjustments.

Rx Test Specification

Defines test criteria for receiver sensitivity, distortion, and S/N.

PC Board View

CPU Unit Side A

Shows component placement on the CPU board's top side.

MAIN Unit Side A DR-135

Component layout for the DR-135 main board, top view.

MAIN Unit Side A DR-435

Component layout for the DR-435 main board, top view.

Schematic Diagram

CPU Unit Schematic

Overall schematic for the CPU unit across models.

Main Unit DR-135 Schematic

Detailed schematic for the DR-135 main unit.

Main Unit DR-435 Schematic

Detailed schematic for the DR-435 main unit.

Block Diagram

DR-135 Block Diagram

Functional block diagram of the DR-135 radio.

DR-235 Block Diagram

Functional block diagram of the DR-235 radio.

DR-435 Block Diagram

Functional block diagram of the DR-435 radio.