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DR-135 / DR-235 / DR-435
Service Manual
CONTENTS
SPECIFICATIONS
GENERAL ........................................................................................ 2 Mechanical Parts ............................................................................ 43
TRANSMITTER ................................................................................ 2 Packing Parts ................................................................................. 43
RECEIVER ....................................................................................... 2 ACCESSORIES .............................................................................. 43
CIRCUIT DESCRIPTION DR-135 ACCESSORIES(SCREW SET) ...................................................... 43
1) Receiver System (DR-135) ........................................................... 3, 4 TNC(EJ41U) .................................................................................. 44
2) Transmitter System (DR-135) ....................................................... 4, 5 TNC (EJ41U) Packing Parts ........................................................... 45
3) PLL Synthesizer Circuit (DR-135) ................................................. 5, 6 DR-135 ADJUSTMENT
4) Receiver System (DR-235) ........................................................... 6, 7 1) Adjustment Spot ............................................................................ 46
5) Transmitter System (DR-235) ....................................................... 7, 8 2) VCO and RX Adjustment Specification ........................................... 47
6) PLL Synthesizer Circuit (DR-235) ................................................. 8, 9 3) Tx Adjustment Specification ............................................................ 47
7) Receiver System (DR-435) ......................................................... 9, 10 4) Rx Test Specification ....................................................................... 48
8) Transmitter System (DR-435) ......................................................... 10 5) Tx Test Specification ....................................................................... 49
9) PLL Synthesizer Circuit (DR-435) ................................................... 11 DR-235 ADJUSTMENT
10) CPU and Peripheral Circuits(DR-135 DR-235 DR-435) ............. 11,12 1) Adjustment Spot ............................................................................ 50
11) Power Supply Circuit ....................................................................... 13 2) VCO and RX Adjustment Specification ........................................... 51
12) M3826M8269GP (XA0818) ....................................................... 14~16 3) Tx Adjustment Specification ............................................................ 51
SEMICONDUCTOR DATA 4) Rx Test Specification ....................................................................... 52
1) M5218FP (XA0068) ........................................................................ 17 5) Tx Test Specification ....................................................................... 53
2) NJM7808FA (XA0102) .................................................................... 17 DR-435 ADJUSTMENT
3) TC4S66F (XA0115) ........................................................................ 17 1) Adjustment Spot ............................................................................ 54
4) TK10930VTL (XA0223) .................................................................. 18 2) VCO and RX Adjustment Specification ........................................... 55
5) BU4052BF (XA0236) ...................................................................... 19 3) Tx Adjustment Specification ............................................................ 55
6) TC4W53FU (XA0348) .................................................................... 19 4) Rx Test Specification ....................................................................... 56
7) M64076GP (XA0352) ..................................................................... 20 5) Tx Test Specification ....................................................................... 57
8) LA4425A (XA0410) ......................................................................... 21 PC BOARD VIEW
9) M67746 (XA0412) .......................................................................... 21 1) CPU Unit Side A ............................................................................. 58
10) M68729 (XA0591) .......................................................................... 22 2) CPU Unit Side B ............................................................................. 58
11) M57788 (XA0077A) ........................................................................ 23 3) Main Unit Side A DR-135 (UP 0400B) ............................................. 59
12) mPC2710T (XA0449) ..................................................................... 24 4) Main Unit Side B DR-135 (UP 0400B) ............................................. 59
13) NJM2902 (XA0596) ........................................................................ 24 5) Main Unit Side A DR-235 (UP 0414) ............................................... 60
14) 24LC32A (XA0604) ........................................................................ 25 6) Main Unit Side B DR-235 (UP 0414) ............................................... 60
15) S-80845ALMP-EA9-T2 (XA0620) ................................................... 25 7) Main Unit Side A DR-435 (UP 0415) ............................................... 61
16) L88MS05TLL (XA0675) .................................................................. 25 8) Main Unit Side B DR-435 (UP 0415) ............................................... 61
17) AN8010M (XA0119) ....................................................................... 26 9) Tnc Unit Side A (UP 0402) (DR-135TP only) .................................. 62
18) TK10489M (XA0314) ...................................................................... 26 10) Tnc Unit Side B (UP 0402) (DR-135TP only) .................................. 62
19) Transistor, Diode, and LED Ontline Drawings .................................. 27 SCHEMATIC DIAGRAM
20) LCD Connection (TTR3626UPFDHN) ........................................... 28
1) CPU Unit DR-135 / DR-235 / DR-435 ............................................. 63
EXPLODED VIEW 2) Main Unit DR-135 ........................................................................... 64
1) Top and Front View ......................................................................... 29 3) Main Unit DR-235 ........................................................................... 65
2) Bottom View .................................................................................... 30 4) Main Unit DR-435 ........................................................................... 66
3) LCD Assembly ................................................................................ 31 5) TNC Unit (DR-135TP only) ............................................................. 67
PARTS LIST BLOCK DIAGRAM
CPU .......................................................................................... 32, 33 1) DR-135 ........................................................................................... 68
Main Unit(DR-135) .................................................................... 33~36 2) DR-235 ........................................................................................... 69
Main Unit(DR-235) .................................................................... 36~39 3) DR-435 ........................................................................................... 70
VCO Unit(DR-235) ......................................................................... 39
Main Unit(DR-435) .......................................................................... 42
VCO Unit(DR-435) ......................................................................... 42 ALINCO,INC.
SPECIFICATIONS
General
Frequency coverage DR-135 DR-235 DR-435
118.000 ~ 135.995MHz (AM RX) 216.000 ~ 279.995MHz (RX) 350.000 ~ 511.995MHz (RX)
T,TG
136.000 ~ 173.995MHz (RX) 222.000 ~ 224.995MHz (TX) 430.000 ~ 449.995MHz (TX)
(U.S amateur)
144.000 ~ 147.995MHz (TX)
E,EG
144.000 ~ 145.995MHz (RX.TX) 430.000 ~ 439.995MHz (RX.TX)
(European amateur)
TA,TAG 118.000 ~ 135.995MHz (AM RX)
(Commercial) 136.000 ~ 173.995MHz (RX.TX)
Operating mode FM 16K0F3E (Wide mode) 8K50F3E (Narrow mode)
Frequency resolution 5,8.33,10,12.5,15,20,25,30,50 KHz
Number of memory
100
channels
Antenna impedance 50 unbalanced
Power requirement 13.8V DC