Kenwood KAC959 free download

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POWER AMPLIFIER KAC-959 SERVICE MANUAL © 2001-3 PRINTED IN KOREA B51-7761-00 (K) 3579 25 1 2 0.5 A B SUB GND 1 2 3 4 0.5 0.3 150Hz 80Hz OFF 150Hz 80Hz OFF 2 3 1 0.5 L MAXIMUM POWER 100 80 70 50 150 170 (MIN)5 0.2(MAX) A.CH INPUT A.CH HPF SENSITIVITY(V) 0.3 4 (MIN)5 0.2(MAX) B.CH HPF B.CH INPUT SENSITIVITY(V) A R A B A B SUB 3 0.3 OPERATION 4 STEREO MONO(Lch) (MIN)5 0.2(MAX) SUB.CH INPUT SENSITIVITY(V) 25 5/4/3 CHANNEL POWER AMPLIFIER 200 INPUT SELECTOR LINE IN INPUT SELECTOR SUB.CH LPF FREQUENCY(Hz) FUSE(25Ax2) P.CON BATT POWER IN GND SPEAKER OUTPUT B A LEFT BRIDGED RIGHT SUB SUB SPEAKER LEVEL INPUT LEFT RIGHT A B SPEAKER LEVEL INPUT L R B A KAC-959 ADJUSTMENT No ITEM INPUT SETTINGS OUTPUT SETTINGS TUNER (RECEIVER) SETTINGS ALIGNMENT POINTS ALIGN FOR FIG. Connect a cassette receiver or other receiver. (A) VR101(Lch) VR102(Rch) (B) VR201(Lch) VR202(Rch) (SUB) VR401 1 IDLE CURRENT IDLE CURRENT Connect a DC voltmeter to CN7/CN8 and J4(SP.OUT, L+/R-) in X09- UNIT Connect a DC voltmeter to CN7 in X08- UNIT Volume : 0 After sufficient aging adjust to 2.0mV (a) 2 Volume : 0 After sufficient aging adjust to 2.0mV (a) (a)2mV (a)2mV SPEAKER OUTPUT FUSE P.CON. BATT. GND L R B ch SPEAKER LEVEL INPUT L DC VOLTMETERS 2mV R A ch (a)2mV (a)2mV A-Lch A-Rch B-Rch B-Lch CN7 CN8 VR102 (A-Rch) VR202 (B-Rch) VR201 (B-Lch) VR101 (A-Lch) (X09-) CN7 VR401 (IDLE ADJ.) (X08-) (a)2mV 2 A B C D E F G H I J PC BOARD (Component side view) 1 PREAMPLIFIER UNIT X08-4080-10 A/2 (J74-1031-11) W125 W137 W102 W109 R243 R241 R244 R242 W111 W6 W14 W86 W84 C124 R126 C123 Q201 Q202 C231 C232 R141 R143 D209 E B C235 R257 E B C236 R258 B E D210 D110 C131 R144 R142 E B C136 R156 R158 Q101 VR1 R139 Q102 D109 E B C135 R157 B E R255 R256 Q205 C117 R133 W35 R131 R129 R127 C120 R134 R130 C122 C119 R136 R138 C309 R312 R313 Q103 Q105 R132 C132 Q203 W44 2 R128 W46 Q106 Q107 A.CH INPUT SENSITIVITY W2 R140 W19 C118 R155 W154 E B E B Q208 R339 B E Q204 Q206 Q207 R352 E B B E Q108 R160 R154 C130 R152 R162 R150 B E W85 E B E B C233 R245 C227 R253 C229 R251 R261 R249 W131 B E E B C234 R246 C228 R248 R254 R252 R262 R250 W143 B E R238 R260 1 1 2 Q104 S1 R226 C12 R125 R225 14 8 14 8 C7 W82 IC4 1 R231 R227 7 C219 R233 R234 R230 R229 W36 C220 W47 C222 R236 R228 1 R238 R315 IC5 7 R314 C310 W72 W83 E B C134 R146 E B R153 C129 R151 R161 R149 W117 B E C137 E2 C230 7 8 Q209 R247 W15 W20 C217 W9 W13 W119 Q110 W120 C128 R148 C126 C127 R147 C11 W121 C125 W110 C311 Q109 C226 C237 W3 C218 W23 W30 R159 Q210 A.CH HPF C133 R145 R349 S2 R107 R103 R240 R239 R232 W115 W116 W129 C109 C111 R113 W48 R115 R117 Q307 C105 R109 R111 W39 C322 W130 C224 W140 B.CH HPF W10 C223 C113 R119 W55 R336 W141 W12 W61 E3 C138 W94 C225 R259 2 D305 R334 E B C324 R333 B E 7 W4 D101 R105 14 8 R332 C13 W65 W67 W71 W76 W77