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SPECIFICATIONS GENERAL ... TRANSMITTER ... RECEIVER ... C IRCU IT D IS C R E T IO N 1) Receiver System DR-235, ... 2) Transmitter System DR-235, ... 3) PLL Synthesizer Circuit DR-235, ... 4) CPU and Peripheral Circuit ... 5) Power Supply Circuit ... 6) M38268MCA075GP (XA1130) ... S EM ICO N D U C TO R DATA 1) NJM7808FA (XA0102) ... 2) TC4S66F (XA0115) ... 3) AN8010M (XA0119) ... 4) TC4W53FU(XA0348) ... 5) TA31136FN (XA0404) ... 6) LA4425A (XA0410) ... 7) BR24L32FJ (XA0604Z) ... ... 8) L88MS05TLL (XA0675) ... 9) S-816A50AMC (XA0925) ... 10) LM2904PWR (XA1103) ... 11) LM2902PWR (XA1106) ... 12) MB15E07SR (XA1107) ... 13) S-80845CLNB (XA1120) ... 14) BU4052BCFV (XA1229) ... 15) S-AV40 (XA1230) ... 17) LCD Connection (TTR3626UPFDHN) ... E XPLODED V IEW 1) LCD Assembly ... 2) Top and Front View ... 3) Bottom View ... PARTS LIST 2 CPU Unit ... 21,22 2 MAIN Unit ... 22-25 2 Mechanical Parts ... 25 Packing Parts ... 25 ACCESSORIES ... 25 3,4 ACCESSORIES (SCREW SET) ... 25 4 TNC (EJ41U) ... 26 5 TNC (EJ41U) Packing Parts ... 27 5 6 ^ 6 DR-235 ADJUSTMENT 7-9 1) Adjustment Spot ... 28 2) VCO and RX Adjustment Specification.. 29 3) TX Adjustment Specification ... 30 10 4) RX Test Specification ... 31 10 5) TX Test Specification ... 32 10 10 PC BOARD VIEW 11 1) CPU Unit Side A DR-235 (UP0579) ... 33 2) CPU Unit Side B DR-235 (UP0579) ... 33 11 3) MAIN Unit Side A DR-235 (UP0579) ... 34 12 4) MAIN Unit Side B DR-235 (UP0579) ... 34 12 5) TNC Unit Side A (UP0402) (option) ... 35 12 6) TNC Unit Side B (UP0402) (option) ... 35 12 13 SCHEMATIC DIAGRAM 14 1) CPU Unit DR-235, ... 36 14 2) MAIN Unit DR-235, ... 37 15 3) TNC Unit (option) ... 38 16 17 BLOCK DIAGRAM 1) DR-235, ... 39