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Now downloading free:Kenwood KAC-8103D

Kenwood KAC-8103D free download

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File information:
File name:KAC-8103D.PDF
Size:817 kB
Extension:PDF
Mfg:Kenwood
Model:KAC-8103D 🔎 KAC8103D
Original:
Descr:SERVICE MANUAL
Group:Electronics > Automobile
Uploaded:06-11-2009
User:poppy923
Multipart:No multipart

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Extracted files:1
File name KAC-8103D.PDF

POWER AMPLIFIER KAC-8103D SERVICE MANUAL © 2006-11 PRINTED IN JAPAN B53-0473-00 (N) 955 Dressing Panel (A21-6567-02): (K type) (A21-6580-02): (E,M type) E,M type Fuse (40A) (F52-0016-05) K type Accessories (W01-1606-05) Accessories (W01-1607-05) Screw set (N99-1794-05) Connecting cord assy (E30-6145-05) 19cm This product uses Lead Free solder. This product complies with the RoHS directive for the European market. KAC-8103D BLOCK DIAGRAM LINE IN (0.2-5V) L IC14 IC11 R ISO-AMP I.F.S 15Hz 25Hz VR1 S3 I.S.F SEL. SENS. VOL VR2 Q151 R L L R R MUTE Q401,402, 404,417 LEVEL SHIFT IC18 L.P.F FREQ (50-200Hz) IC15 FREQ=40Hz BASS BOOST LEVEL 0-18dB LINE OUT L VR3 Q603 ATT Q405-409, 414,415 DRIVE SP INPUT IC32 (2/2) SUMMING AMP IC32 (1/2) TRIANGLE WAVE IC31 COMP IC12,13 DEAD TIME Q410-413 FINAL MOS-FET LC FILTER SP OUTPUT 300W / 4 500W / 2 Q400,403 D-AMP ON/OFF IC62,63 Q604-607 OVERLOAD DET Q416 B +HB AVR IC1 DC/DC CON Q1-3 POWER ON/OFF LC FILTER BATT. GND POWER INDI. IC60 THERMAL DET Q608-611 DC-OFFSET DET P-CON NF IC61,64 RESONANCE DET Q25,26,28,42 15V AVR COMPONENTS DESCRIPTION AUDIO UNIT (X09-8600-10) Ref. No. IC1 IC11 IC12,13 (2/4) IC13 (1/4) (4/4) IC14 IC15 IC18 IC31 IC31,32 (1/2) IC32 (2/2) IC60 input signal by 1.5dB Comparator in resonance IC61,62,64 detection circuit IC63 (1/2) IC63 (2/2) Q1~3 Comparator circuit Comparator circuit PCON switch protection operation. Turns off DC/DC power supply when an error is detected. Turns off Dclass amplifier when an error is detected. Turns on the circuit when ON signal is applied to the PCON circuit. Detects short SP output circuit, measures overcurrent in the circuit, activates Application / Function DC/DC converter IC Isolation amp. NAND Pulse conversion circuit INFRA SONIC FILTER BASS BOOST LOW PASS FILTER Comparator Triangular wave generation Error amplifier Attenuation circuit to attenuate Attenuates output when temperature in the set becomes too high. Operation / Condition / Compatibility Generates drive signal for switching element. Isolates noises caused by potential differences in GND. Generates and shapes the inverted waveform and to create dead time in Dclass section. Converts pulse width from 1 mm to 10 mm. Cuts off ultra low frequency of an audio signal. Bass boost (Variable level) Cuts off high frequency of an audio signal. Digitalizes by comparing analog signal with triangular waves. Generates reference signals for digitalizing analog signals. Compensates for errors by feedback from the output. 2 KAC-8103D COMPONENTS DESCRIPTION Ref. No. Q4,5 Q8~11 Q12,13,19,20 Q25,26,28,42 Q29,30 Q37,38 Q151 Q400,403 Q401,402 Pulse amplification, shaping and Q404~409 level shift Q414,415,417 Q410~413 Q416 Q603 input signal by 1.5dB Q604~607 Q608~611 Current-voltage conversion Latch circuit Converts current to voltage to detect overcurrent and sends it to the comparator. Detects overvoltage in output and retains the current. Power amplification HB 15V AVR Attenuation circuit to attenuate

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