Kenwood KAC-9405 Service Manual

Also see for KAC-8405: Instruction manual Instruction manual

Contents

3KAC-8405KAC-9405/9405MCOMPONENTS DESCRIPTION● AUDIO UNIT (X09-8940-10)Ref. No. Application / FunctionIC1~4 Isolation circuitIC5 Non-inverting circuitIC6~IC8,IC11~IC13 HPF, LPFIC9~IC10 Bass Boost circuitIC14 DC-DC ICIC15 ATT circuitQ1 Voltage supplyQ2 Over voltage detection circuitQ3 P-CONQ4,Q7~Q9 Smoke and fire prevention circuitQ5,Q6 Mute driverQ10,Q11 SwitchQ12~Q15 Gate driverQ16~Q19 DC-DC comparatorQ20,Q21 Regulated power supplyQ501~Q504,Q601~Q604 ATT circuitQ505,Q506,Q605,Q606 MuteQ507~Q514,Q607~Q614 Differential circuit - 1st stageQ515,Q516,Q597,Q598,Q615,Q616,Q697,Q698 Differential circuit - 2nd stageQ520,Q599 Power stage regulated power supplyQ521,Q522,Q619,Q620 Temperature compensationQ523~Q526,Q621~Q624,Q704 Over current detection circuitQ527~Q530,Q625~Q628 DarlingtonQ531~Q534,Q629~Q632 Final stageQ701~Q703 Latch circuitQ705 FAN driverQ706,Q708~Q710 Clipper circuitQ707,Q714 Current control circuitQ711,Q712 Temperature detection circuitQ713 ShutdownQ715,Q716 Auto P-CON circuit