Kenwood KAC8152D free download

File name Kenwood-KAC8152D caramp.pdf

POWER AMPLIFIER KAC-8102D/8152D KAC-9102D/9152D SERVICE MANUAL CONTROL SYSTEM © 2005-3 PRINTED IN JAPAN B53-0252-00 (N) 1708 KAC-9152D (E type,M type) REMOTE CONTROL KAC-8102D/9102D Subwoofer Powe Amplifie Dressing Panel (A21-4465-02) : KAC-8152D/9152D (A21-4466-02) : KAC-8102D/9102D MAXIMUM POWER KAC-9152D Dressing Panel (A21-4471-02) : KAC-9152D(K type) (A21-4472-02) : KAC-9102D (A21-4473-02) : KAC-8152D(K type) (A21-4474-02) : KAC-8102D (A21-4522-12) : KAC-9152D(E/M type) (A21-4523-12) : KAC-8152D(E/M type) MAXIMUM POWER KAC-8152D KAC-8152D(E type, M type) KAC-8152D(K type) KAC-8102D KAC-9152D(K type) KAC-9102D Fuse (40A) (F52-0016-05) : KAC-8102D/8152D Fuse (30A) (F52-0015-05) : KAC-9102D/9152D Fuse (30A) (F52-0015-05) : KAC-9102D/9152D Except KAC-8102D/9102D Except KAC-8102D/9102D Remote control Modular cable (E30-6240-15) Mouting hardware (J22-0301-14) Screw set (N99-1766-05) 9 11 2 15 65 75 17 50 LE VE 18 L [d 85 B] 40 FR E 95 NC Y [H10 z] 0 Q UE 6m Screw set (N99-1759-05) Connecting cord assy (E30-6145-05) Accessories (W01-1606-05) 19cm This product uses Lead Free solder. KAC-8102D/8152D KAC-9102D/9152D BLOCK DIAGRAM X08-4180-10 X09-5820-10 IC11 ISO LINE IN IC11 INV NOR/REV IC11 I.F.S 25Hz 15Hz L.P.F BASS BOOST KAC-9102D KAC-8102D ONLY SENS IC13 FREQ IC12 LVL IC51-53 REMOTE BASS BOOST KAC-9152D KAC-8152D ONLY LVL FREQ KAC-9152D KAC-8152D ONLY R E M LINE OUT Q151 SP IN MUTE IC31 COMPARATOR TRIANGLE WAVE IC12,13 DEAD TIME CONT Q401-415,187-190 D CLASS AMP OVER LOAD DET. DC OFFSET DET. SP OUT 50 LEVEL DIAGRAM KAC-9152D/9102D KAC-8152D/8102D 40 THERMAL PROTECT 30 P-CON DET TR SW P-CON +15V AVR 15V Q25,26 HB BATT GND OP AMP 20 10 +15V AVR D.D CON -15V AVR Q28,42 ISOLATION LEVEL VOL IND Q8-20 0 X08 X08 OUT D CLASS AMP SP OUT -10 INPUT 2 KAC-8102D/8152D KAC-9102D/9152D COMPONENTS DESCRIPTION PREAMPLIFIER UNIT (X08-4180-1x) Ref. No. IC11 (1/2) IC11 (2/2) IC12 (1/2) IC12 (2/2) IC14,15 IC13 Application / Function INFRA SONIC FILTER INVERTER OP AMP BASS BOOST BASS BOOST LOW PASS FILTER Operation / Condition / Compatibility Cutting super-low area of voice signals Reversing voice signal phase Voltage amplification, buffer High-boost (variable levels) High-boost (variable levels) Cutting high range of voice signal AUDIO UNIT (X09-5820-1x) Ref. No. IC1 IC2 (1/2) IC2 (2/2) IC11 IC12,13 IC31 IC32 (1/2) IC32(2/2) IC51~53 IC61,62 Q1-3 Q4,5 Q8~11 Q12-20 Q25,26,28 Q29,30 Q36 Q37~38 Q41 Q42 Q43 Q151 Q187~190 Q401~415 Q416 Q417,418 power amplification section Q501 Q601,602 Q603 Q604~607 Q608~611 Emitter follower Comparator DC/DC converter control Electric current and voltage conversion Latch circuit power is turned on and when protection is triggered Generation of temperature compensation reference voltage for control of electronic volume Detection of short-circuiting of SP output and determine excess current for triggering protection Convey IC62 u pin output, result of excess current detection, to IC2 and stop