Kenwood KACX810D free download

File name Kenwood-KACX810D caramp.pdf

MONO POWER AMPLIFIER KAC-X810D/PS810D SERVICE MANUAL © 2002-2 PRINTED IN JAPAN B51-7897-00 (S) 3404 q KAC-X810D MONO POWER AMPLIFIER 1 INPUT SENSITIVITY(V) 2 3 4 (MIN)5 0.5 0.3 0.2(MAX) B.M.S. FREQUENCY(HZ) 40 100 V-COLOR eXc e l o n LPF FREQUENCY(HZ) 50 200 Heat sink (F01-1684-01) B.R.F. FREQUENCY(HZ) 40 200 Dressing panel (A21-4190-02) B.M.S OFF REMOTE +12dB BAND REJECT -6dB OFF -12dB PHASE NORMAL REVERSE INFRASONIC OFF ON 15Hz 25Hz LINE IN LINE OUT EXT.AMP.CONT. FUSE(25AX3) BATT. POWER IN GND SPEAKER P.CON OUTPUT Refer to the PARTS LIST Mounting hardware (J21-9864-04) x 4 Screw set (N99-1577-15) Accessory (W01-1586-05) Cover (F07-1110-01) x 2 KAC-X810D/PS810D 2 J1 INPUT OUTPUT IC1 ISOLATION AMPLIFIER INPUT SENS IC2 I.S.F. S3 IC3 B.R.F S4 IC3 INV S5 IC15 FREQUENCY OFFSET IC6 D1 V-LED Q57,61 B.BOOST CONTROL J5 MICRO-COMPUTER TH2,3 THERMAL PROTECTION PCON DETECTION Q65 OVER VOLTAGE PROTECTION IC14 Q34-37 Q68,69 Q73 DOWN VOLTAGE FUSE Q7 +5V AVR Q5 5V SWITCH +5V +5V +B/-B/+14V IC4,13 B.M.S IC7 L.P.F Q6 MUTE IC8,9 COMPEARATE AMP Q14-25,39-46 POWER AMP J2 SPEAKER OUTPUT Q4 MUTE DRIVER IC8,9 TRIANGLE WAVE IC12 Q53,56 OVERLOAD DC OFFSET DETECTION BLOCK DIAGRAM J2 PCON Q62,63 POWER SWITCH DC/DC CONVERTER Q10,11 +15V -15V J2 BATTERY +15V -15V AVR KAC-X810D/PS810D COMPONENT DESCRIPTION q AUDIO UNIT (X09-5440-10) Component IC1 IC2 IC3 (1/4-3/4) IC3 (4/4) IC4,13 IC5 IC6 IC7 IC8 (1/2) IC9 (1/2) IC8 (2/2) IC9 (2/2) IC10,11 IC12 IC14 IC15 Q59,60 Q1-3 Q4,6 D6,7 Q5 Q7,9 D11 Q10,12 D14 Q11,13 D15 Q14,16-19 Q15,D20 Q20,21 Q22,24 D27 Q23,25 Q26-29 Q34-37 Q68,69 Q30-33 Q39-42 Q38,58,64 D32,42,45,46 Q43-46 Q47-50 Q51,52 Q54,55 Q53,56 Q57,61 D33 Q62,63 Q65,D34 Q66 Q70,71 Q73,D37 D1 D2-5 Purpose · Function Isolation AMP Infrasonic AMP Band rejection AMP Inverter Bus boost AMP Recet IC Microcomputer Low-pass filter AMP Chopping wave generator circuit Summing AMP PWM waveform generator circuit Dead time generator circuit Used for overcurrent detection DC/DC converter IC Used for B.M.S frequency offset Used for LED driver Used for MUTE Used for SW +5V Used for +5V AVR Used for +15V AVR Used for ­15V AVR Used for VI conversion Used for +15V AVR Used for cascade Gate failure prevention circuit Used for D-AMP ON/OFF MOS FET for DC/DC MOS FET Driver Tr Overcurrent Detector Circuit MOS FET (Power FET) MOS FET Driver Tr Used for output current VI conversion DC detection Used for P-CON Power ON Used for overvoltage detection Used for B.M.S Used for Pulling ­15V Used for reduced voltage detection Variable color LED Used for static electricity prevention Component D8-10,12,13 D21,22,40,41 D23-26 D28,29 D30,31 D35,36,38 D39 D43,44 Purpose · Function Used for the limitation of a chopping wave voltage Used for rectification (±B) Used for rectification (+15V) Used for ±8.2V AVR Used for MOS FET Drive Protection circuit (error connection) for the prevention of reverse connection Used for 5.1V AVR ±10V AVR 3 KAC-X810D/PS810D MICROCOMPU