Alinco DR-235TMkIIT Service Manual

DR-235TMkIIT
Service Manual
CONTENTS
SPECIFICATIONS PARTS LIST
GING RA re cadvcned cs cee sad si wana eeeamtoeneunreosaecees 2 CPO UAE ciccrcaccadaviehareseedineyteuseed 21,22
TRANSMIT T ER: ccdiccsscscc.cesestewabreaddamees sates 2 DARIN NE auictacctactercacetedesn tage nhedes 22-25
RECEIVE Riscse2.dscaceratconssoce races 2 Mechanical Parts...............cccceceeeeeeees 25
Packing Parts.........ccccsssccesseseeneenecnens 25
CIRCUIT DISCRIPTION ACCESSORIES oy seieswestcnutiaseueteiotenes 25
1) Receiver System DR-235.............ccceeseeeeens 3,4 ACCESSORIES (SCREW SET)........... 25
2) Transmitter System DR-235............0cceeeeees 4 TING (dG) oan cau eieeavaireaineesoninevaass 26
3) PLL Synthesizer Circuit DR-235................0. 5 TNC (EJ41U) Packing Parts................ 27
4) CPU and Peripheral Circuit........................ 5,6 -
5) Power Supply Circuit.......00.....000.:cccce eee 6 DR-235 ADJUSTMENT
6) M38268MCAO75GP (XA1130)..........0....0.. 7-9 1) Adjustment Spot................ccccee eee ee eee 28
2) VCO and RX Adjustment Specification... 29
SEMICONDUCTOR DATA 3) TX Adjustment Specification............... 30
1) NJM7808FA (XA0102)...........ccceceeeeceseeeeees 10 4) RX Test Specification........... eee. 31
2) TC4S66F (XA0115)..........cccseccecceesserecceeees 10 5) TX Test Specification..............ccccceees 32
3) AN8010M (XA0119).............ccccecscscesessseers 10
4) TC4W53FU(XA0348).....6...cccceeceeeeeeeeeeees 10 PC BOARD VIEW
5) TA31136FN (XA0404)...0. 0 cece eee ee eee 11 1} CPU Unit Side A DR-235 (UP0579)...... 33
6) LA4425A (XA0410)........ cee ces cece e cee ee eee eees 11 2) CPU Unit Side B DR-235 (UP0579)...... 33
7) BR24L32FJ (XAQ604Z)......... 00. cccec cee eee scene 11 3) MAIN Unit Side A DR-235 (UP0579)..... 34
8) L88MSOS5TLL (XA0675)............. cc ccec ees ee eens 12 4) MAIN Unit Side B DR-235 (UP0579).... 34
9) S-816A50AMC (XAQ9Q25).......000ccceseee cesses 12 5) TNC Unit Side A(UP0402) (option)...... 35
10) LM2904PWR (XA1103)...........ccececeece eee eeees 12 6) TNC Unit Side B (UP0402) (option)...... 35
14) LM2902PWR (XA1106).............e cece ee ee ee eens 12
12) MB15E07SR (XA1107).......0....ccecee eee eee eeeee 13. SCHEMATIC DIAGRAM
13) S-80845CLNB (XA1120)...........ccceccecneeeeens 14 1) CPU Unit DR-235............. cee cece eee eee 36
14) BU4052BCFV (XA1229)........ cece eseecavenens 14 2) MAIN Unit DR-235.....0..0... eee cece eee es 37
45) -S=AVAO (KA T2380 Msi cectcwadwigiesaisetouces ness 15 3) TNC Unit (option).................. cee 38
16} Transistor, Diode and LED Outline Drawing... 16
17) LCD Connection (TTR3626UPFDHN).......... 17 BLOCK DIAGRAM
BY DR 20565 Baste crake nee 39
EXPLODED VIEW
1) LCDASSEMbDIY..............cccccceccesensceseeeeeees 18
2) Top and Front View...............c.cccceseeseee eens 19
SO) BOUGHT VIOW: cvisicticsscn ais: seeds seccdcecatuesevaees 20
ALINCO, INC.