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POWER AMPLIFIER KAC-629S SERVICE MANUAL © 2000-11 PRINTED IN KOREA B51-7710-00 (K) 3590 LINE IN L STEREO/BRIDGEABLE AMPLIFIER SPEAKER LEVEL INPUT LEFT RIGHT FUSE(25A) R OPERATION SCREW SET (N99-1587-05) ACCESSORY (TERMINAL COVER SET) (W01-1516-05) OFF HPF LPF FILTER GND 1.0 KAC-629S L+R STEREO MONO(Lch) 0.5 0.3 MAXIMUM POWER 40% MIN MAX INPUT SENSITIVITY(V) 25 SPEAKER OUTPUT POWER IN BATT. P.CON(REMOTE) RIGHT GND BRIDGED LEFT POWER AMPLIFIER KAC-629S ST/L+R/L(MONO) INPUT SENS. S1 2 BLOCK DIAGRAM BLOCK DIAGRAM SP IC1(1/4) L IC1(3/4) 150Hz (12dB/oct) HPF S2-1 HPF/OFF/LPF Q19,21 T1,IC4,Q17,Q18 Q36-40 +LB +HB -HB L IC3 LPF 80Hz (12dB/oct) 200mV MUTE Q1,2 60W (4 ) R DC/DC CONVERTER BATT R IC1(2/4) SP IC1(4/4) HPF 150Hz (12dB/oct) P-CON HPF/OFF/LPF S2-2 KAC-629S ADJUSTMENT No. ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG. Connect a cassette receiver or CD receiver. Connect a DC voltmeter between TP1 (L/R) and J1 (SP.OUT, L+/R-) VR2 (R ch) VR3 (L ch) (X09-) 1 IDEL CURRENT - VOLUME : 0 2.5mV (a) + SP. OUT L R + J1 (a) 2.5mV DC voltmeter VR2 (R) TP1 R L (a) 2.5mV VR3 (L) DC voltmeter 3 KAC-629S PARTS DESCRIPTIONS 4 A B C D E F G H I J PC BOARD(Component side view) 1 FUSE (25A) BATT GND POWER IN P.CON LEFT RIGHT SPEAKER OUTPUT PC BOARD(Foil side view) RIGHT LEFT P.CON GND POWER IN BATT FUSE (25A) SPEAKER OUTPUT X09-5160-10 A/3 (J74-1043-11) X09-5160-10 A/3 (J74-1043-11) R166 C75 E B R166 J1 J1 Q38 Q38 B E Q39 E B C75 R164 R163 W40 W39 C68 W6 W7 W8 W9 W10 W1 W2 W3 W4 W5 W12 W11 W64 W13 W14 C46 R176 C70 W38 R128 R127 C67 C45 R55 C47 W129 D15 R127 W129 C67 W1 W2 W3 W4 W5 W12 W11 W13 W14 C46 R55 C45 C47 W38 R128 C68 W6 W7 W8 W9 W10 R164 R163 W39 W40 D15 E3 E3 B E Q39 Q32 Q32 W42 W42 L1 L1 2 Q18 W26 W48 D S G W22 W23 B B R114 R114 Q14 E B Q14 E B W64 R174 R176 W41 W41 C70 W21 W21 W48 W26 D S G W22 W23 Q18 D40 D40 R174 W47 W46 W45 W45 W46 W47 C72 C72 E E Q24 Q24 W43 W43 R172 Q26 B E Q26 B E R172 C82 C82 B E B E D25 R126 D S G TH1 D25 W67 Q12 E B W66 W67 W50 W51 W52 W66 Q12 R108 W44 W44 R108 R178 C84 W20 R178 C84 TH1 W20 B B D38 D38 W49 W49 W52 W51 W50 R112 R112 C100 C50 R86 R88 D42 R96 D42 R88 R96 C58 C100 C50 R86 R126 D S G Q17 Q17 W19 W19 R122 R122 E B C74 C74 W27 W28 W16 W17 W18 R80 R80 W27 W28 W16 W17 W18 E E C58 Q30 Q30 R R W15 B E W15 Q6 Q6 VR2 VR2 W68 R106 R104 R104 R106 W68 B E B E B E Q4 C56 Q4 C56 R90 B R100 W53 W53 R100 B R82 R90 3 D14 Q10 Q10 R125 R124 R123 W36 D26 R124 R125 Q8 T1 R123 D26 D13 W37 R53 Q8 W69 W69 T1 R78 C60 R78 C60 R102 W56 W55 W54 W54 W55 W56 R102 R82 R84 R84 D11 D30 D30 E B E B W29 W30 W31 W32 W33 W34 W35 W95 R168 D35 R75 R74 W71 R92 W58 W59 W60 VR3 R92 W60 W59 W58 VR3 D35 R75 R74 W29 W30 W31 W32 W33 W34 W35 D14 D11 C64 C64 C62 C62 R94 R98 R94 1 2 E 1 E R