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DR-135 / DR-435MkII
Service Manual
CONTENTS
SPECIFICATIONS PARTS LIST
General ..................................................................... 2 CPU Unit .......................................................... 29, 30
Transmitter ................................................................ 2 MAIN Unit DR-135 ............................................ 30~33
Receiver ................................................................... 2 MAIN Unit DR-435 ............................................ 33~36
CIRCUIT DESCRIPTION VCO Unit DR-435 ................................................... 36
Mechanical Parts .............................................. 36, 37
1) Receiver System DR-135 ..................................... 3, 4
Packing Parts .......................................................... 37
2) Transmitter System DR-135 ...................................... 5
ACCESSORIES ...................................................... 37
3) PLL Synthesizer Circuit DR-135 ........................... 5, 6
ACCESSORIES (SCREW SET) .............................. 37
4) Receiver System DR-435 ..................................... 6, 7
TNC (EJ41U) .......................................................... 38
5) Transmitter System DR-435 ...................................... 8
TNC (EJ41U) Packing Parts ................................... 39
6) PLL Synthesizer Circuit DR-435 ........................... 8, 9
7) CPU and Peripheral Circuit ................................. 9, 10 DR-135 ADJUSTMENT
8) Power Supply Circuit ............................................... 10 1) Adjustment Spot .................................................... 40
9) M38267M8L272GP (XA0851) ........................... 11~13 2) VCO and RX Adjustment Specification ................... 41
3) Tx Adjustment Specification .................................... 41
SEMICONDUCTOR DATA
4) Rx Test Specification ............................................... 42
1) M5218AFP (XA0068) .............................................. 14
5) Tx Test Specification ............................................... 43
2) NJM7808FA (XA0102) ............................................ 14
DR-435 ADJUSTMENT
3) TC4S66F (XA0115) ................................................ 14
1) Adjustment Spot .................................................... 44
4) BU4052BF (XA0236) .............................................. 15
2) VCO and RX Adjustment Specification ................... 45
5) TA75S01F (XA0332) ............................................... 15
3) Tx Adjustment Specification .................................... 46
6) TC4W53FU (XA0348) ............................................. 15
4) Rx Test Specification ............................................... 47
7) TA31136FN (XA0404) ............................................. 16
5) Tx Test Specification ............................................... 48
8) LA4425A (XA0410) ................................................. 16
9) M67746 (XA0412) .................................................. 17 PC BOARD VIEW
10) M57788M (XA0077A) ............................................. 18 1) CPU Unit Side A ..................................................... 49
11) NJM2902V (XA0596) .............................................. 19 2) CPU Unit Side B ..................................................... 49
12) 24LC32AT (XA0604) ............................................... 19 3) MAIN Unit Side A DR-135 (UP0467A) .................... 50
13) S-80845ALMP (XA0620) ........................................ 19 4) MAIN Unit Side B DR-135 (UP0467A) .................... 50
14) TK10931V (XA0666) ......................................... 20, 21 5) MAIN Unit Side A DR-435 (UP0468A) .................... 51
15) L88MS05TLL (XA0675) .......................................... 22 6) MAIN Unit Side B DR-435 (UP0468A) .................... 51
16) M64076AGP (XA0915) ........................................... 23 7) TNC Unit Side A (UP0402) (option) ........................ 52
17) Transistor, Diode and LED Outline Drawing ............ 24 8) TNC Unit Side B (UP0402) (option) ........................ 52
18) LCD Connection (TTR3626UPFDHN) .................... 25 SCHEMATIC DIAGRAM
EXPLODED VIEW 1) CPU Unit DR-135 / DR-435 .................................... 53
1) Top and Front View ................................................. 26 2) MAIN Unit DR-135 .................................................. 54
2) Bottom View ............................................................ 27 3) MAIN Unit DR-435 .................................................. 55
3) LCD Assembly ........................................................ 28 4) TNC Unit (option) .................................................... 56
BLOCK DIAGRAM
1) DR-135 ................................................................... 57
2) DR-435 ................................................................... 58
ALINCO,INC.
SPECIFICATIONS
General
Frequency coverage DR-135 DR-435
118.000 ~ 135.995MHz (AM RX) 350.000 ~ 511.995MHz (RX)
T Mk 136.000 ~ 173.995MHz (RX) 430.000 ~ 449.995MHz (TX)
144.000 ~ 147.995MHz (TX)
E Mk 144.000 ~ 145.995MHz (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