Kenwood KS-303HT Service Manual

Also see for KS-303HT: Instruction manual Instruction manual

Contents

specifications

141312111098123456743257618654321654321R10530KR1071.2K 1WR1781.2K100PC103C1050.01120 1WR177R1081.2K 1W30KR106100PC1041.2KR179 39KR11010KR101 R10347K100PC101R10210KR10447K100PC10239KR1094.7u50+C10610KR111 4.7u50+C1094.7KR1194.7u50C124+100KR18018KR117100KR181120KR112100PC1074.7u50+C10822KR1150.047C149220K2.2KR114R16710K(A)VR10110KR16810KR1164.7u50C110+18KR12218KR1240.068C1110.039C112220KR17610KR1250.068C1130.039C14210KR1235 13 2469 8 79 68 7 5 34 2 1820KR12810PC1192.2MR127C1170.1R129 10K0.022C154220u10C153+97C1200.0221KR120R130 1MR1321M1KR183R1841K50K(B)VR102B VR102A50K(B)100PC147100PC1460.1C1222.2KR16468R131R134 220KR133 10MC121 220u16+R13910KR15822KON OFFR13610K3.3KR1372.2KR1402.2KR1386.8KR157R135 330.1u50C114+100u16C123+33R126 100u16C115+0.022C1160.22 5WR4160.22 5WR415R1514.7 1/2W1uHL1010.039C1314.7R1521/2WRL101560 2WR15356 7342 8 12.2u50+C50115KR5011u50+C5024.7KR50536KR5041KR503 1KR50210KR51510u50C506+10KR5141MR50910KR50710KR50810u50C508+1MR506120KR51315KR51047KR5110.1C504OUTGNDIN0.1C150100u16C139+330 2WR159OUTGNDC141100u16+INC1510.1680 1/4WR1600.1C5300.1C1350.1C1363300u50C138+3300u50C137+220KR154112247u50+C13247KR15668KR155R417 12K10u50C605+22KR60610KR6054.7KR604100KR603R611100K10u50C601+C60410u50+R6103.3K100KR609100u16C603+C602100u16+R608 3.3KR607 3.3K68KR16110u50C133+8.2KR1621/4W3121234T1013AF101250VAC+35V+24V+35V +35V +35V+35V35V35V35V26V35V 35V 35V35V+15V+15V+15V+15V+15V15V 15V15V15V 15V15V15V+15V+15V+15V+15VB+B970.47u50C118+22KR11327KR1180.047C1480.1C1521KR60127KR602P5011/2W3.3M0.01C1R1C408 33PR414300 1/2WC406R40951R408510.1C4043.6KR411750R412820R41351R407C410270P0.16.2KR410R4011KR4051.8K1.8KR4061/2W+C401100u1612KR402+C40322u35 1.5KR404R40356K4.7u50C402+0.1C4050.1C407IC101IC102 IC104IC105KS-303HT(K)/SW-22HT REVISED /SW-25HTRIB104 CN104CN103BCN103AJK102JK101 SW102ZD101JK103D101SW101LD101Q101Q102Q110STANDBYLEDOPAMPVOLUMECROSSOVERRL/MONOLOWINPUTLEVELROUTPUTLEVELLOWLD102IC501(1/2)(2/2)IC501D501D502+15V AVR-15V AVRQ408Q409D103Q108Q109Q501Q502D601Q601Q605Q602Q603Q604ZD103D104Q107BD101CN101 SW103POWERCN601CN102SUB WOOFERD105B LINEB LINEGND LINESIGNAL LINEIC101 : TL074CNIC102,501 : NJM4558DIC104 : TA7815SIC105 : TA79015SQ101,102,108-110,403,404,501,502,601,603-605: 2SC945(Q,P)Q408 : 2SC5198(O)Q107,401,402,405,602: 2SA733A(P)D101,103,105,401,501,502,601,602 : 1N4148D102,104 : 1N4001ZD103 : MTZJ18BZD101 : MTZJ6.2BHI GH LEVELINPUTHI GH LEVELOUTPUTPHASE SWAUTO POWER SWOP AMPSP.RELAYD6022SA1941(O)Q409 : BD101 : RS402LSP1D401Q405Q404Q403 Q407Q406Q402Q401 ZD401Q406 2SC2235Y:ZD401 MTZJ12B:Q407 2SA965Y:BIASDRIVER0V0V0V-14.9V0V0V0V14.7V0V0V0V0V0V14.7V6.2V5.1V: 1.3VPOWER ON12.9V6.0VPOWER ON: 0.7V0V0V0V15.0V0V0V0V15.0V23.5V35.0V-26.4V-35.0V-15.0VPOWER ON: 3.0V8.6V0.7V15.0V15.0V0V14.6V8.8V0V0V14.3V15.0VK M O Q SL N P R TCAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical compo-nents. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistancemeasurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.The DC voltage is an actual readingmeasured with a high impedance typevoltmeter with no signal input. Themeasurement value may vary depend-ing on the measuring instruments usedor on the product.SW-22HT/25HTY29-6400-102SA965Y2SA733A2SC2235Y2SC9452SD882 NJM4558D TA7815S TA79015S UPC1298V