SERVICE MANUAL MONO POWER AMPLIFIER Caution : The part marked with ! is generating a high voltage, so care will be necessary when working. TO ALPINE Home Page 4 / 06-A A06008 PDX-1.1000...
Page 2
<Cautions for Safe Repair Work> The following cautions will prevent accidents in the workplace and will ensure safe products. *The symbols indicate caution is needed to prevent injuries and damage to property. The symbols and their meanings follow. If you ignore this symbol and handle the product incorrectly or unsafely, Warning serious injury or death may result.
PDX-1.1000 Contents Packing Assembly Parts List Packing Method View Specifications Extension Cable Block Diagram Parts Layout on P.W.Boards and Wiring Diagram 8 to 10 Schematic Diagram 11 to 13 Terminal Voltage of IC/TR 14 to 18 Description of IC Terminal Exploded View (Cabinet) About Semi-fixed VR (VR401) of MAIN P.W.Board...
PDX-1.1000 Extension Cable *Always connect the Extension Cable when making checks of voltage and repair. CB201 CB901 MAIN P.W.Board SUB P.W.Board (1) 01E35763S01 TO CONTENTS - 6 -...
PDX-1.1000 Block Diagram JACK LIMITER INTEGRATOR1 INVERTER1 INPUT BUFFER OUTPUT FET IN L INPUT ISO DRIVER1 INPUT SUB SONIC OUTPUT+ LEVEL IPUT GAIN 50Hz~200Hz AND GATE INPUT BUFFER INPUT ISO IN R OUTPUT- SUB SONIC DRIVER2 OUTPUT FET 15Hz INTEGRATOR2...
Page 8
Parts Layout on P.W.Boards and Wiring Diagram (1/3) PDX-1.1000 Caution:The part marked with is generating a high voltage, TO CONTENTS MAIN P.W.Board (Component Side View) so care will be necessary when working. R340 C308 R330 C316 C318 C306 LUG6 R301...
Page 9
Parts Layout on P.W.Boards and Wiring Diagram (2/3) PDX-1.1000 Caution:The part marked with is generating a high voltage, TO CONTENTS so care will be necessary when working. TP302 TP309 R319 C314 TP303 R320 TP318 TP308 R316 TP324 TP323 R315 TP317 MAIN P.W.Board...
Page 10
Parts Layout on P.W.Boards and Wiring Diagram (3/3) PDX-1.1000 SUB P.W.Board (Component Side View) CH701 ASSY,CON 2P LED P.W.Board (Component Side View) TP210 TP209 R226 SUB P.W.Board C216 (Foil Side View) TP143 R216 C104 R213 C103 C213 TP127 R210 TP125 TP123...
PDX-1.1000 About Semi-fixed VR (VR401) of MAIN P.W.Board 1. Semi-fixed VR (VR401) of PDX-1.1000 This VR requires no adjustment at repair. However, follow the procedure below. 1) Check and record the resistance before repair. 2) Measure the resistance again after repairer.