Alinco DR-135, DR-235, DR-435 free download

File name dr135_235_435ser.pdf

DR-135 / DR-235 / DR-435 Service Manual CONTENTS SPECIFICATIONS GENERAL ... 2 TRANSMITTER ... 2 RECEIVER ... 2 Mechanical Parts ... 43 Packing Parts ... 43 ACCESSORIES ... 43 ACCESSORIES(SCREW SET) ... 43 TNC(EJ41U) ... 44 TNC (EJ41U) Packing Parts ... 45 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 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 ...