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1、SERVICE MANUAL Q U A D AMPLIFIER QD-4960 http:/www.inter- MADE IN KOREA NO: 9007979200 RadioFans.CN 收音机爱 好者资料库 1 Electrical Adjustment Procedure1 Specifications 2 Electrical Parts List3, 4 Top and Bottom View of P.C. Board 5, 6 Wiring Diagram7 Block Diagram 8 Schematic Diagram9, 10, 11, 12 Exploded
2、View of Cabinet & Chassis / Mechanical Parts List13, 14 Assy Drawing15, 16 CONTENTS IDLE CURRENT A. Setting Set the master volume minimum. B. Connection C. Adjustment Adjust VR301 so that the current through the R237, R236, R342, R343 become 10 milliampere. When that voltage across the “TP1” to “TP2
3、” becomes 10 millivolt, the current becomes 10 milliampere. ELECTRICAL ADJUSTMENT PROCEDURE TP1TP2 R237 R342 R236 R343 VR201VR301 AMP BD VOLT METER RadioFans.CN 收音机爱 好者资料库 23 SPECIFICATIONSELECTRICAL PARTS LIST R1-23009102973RES CF 1K 1/5W J N1K R701-708,3002120953RES CF 12K 1/5W FN12K 1% R801-808 R
4、709-710,3009103973RES CF 10K 1/5W J N10K R809-810 R711, R8113009472973RES CF 4.7K 1/5W J N4.7K R712, R8123009473973RES CF 47K 1/5W J N47K R713, R8133009123973RES CF 12K 1/5W J N12K SW702,4618999910SW SS65010-0203-9H-FNSW SW802 AN2014355763507CON ASSY 8P FLAT 150MMCON 8P AN5014355763800CON ASSY 6P S/
5、DCON 6P C501-5043409222871-TCAP AF RSG 0.22UF 50V 5P0.22/50 CN6014428594903LA5268/LAB0640/2.5MM-03PCN 3P LD501,2300050105LED LTL-307E-041A LITEONGRE (EL204GD) LD504 LD502,2300052105LED LTL-307G-041A LITEONRED (SLR34UR) LD506 LD503,2300050105LED LTL-307E-041A LITEONRED (SLR34UR) LD505 Q501-5042008606
6、108-TTR NPN KTC2240BL (KTC3200BL)KTC 2240BL R501,3089332275RES NFR 3.3K 1/4W J R PHILKOFR 3.3K R504-508 R502-503,3009223973RES CF 22K 1/5W J N22K R509-510 R1105-11063009472973RES CF 4.7K 1/5W J N4.7K VR501-5023228075410VR PI16 10KB (21 DETENT)10KB AN2024355763507CON ASSY 8P FLAT 150MMCON 8P AN802435
7、5763800CON ASSY 6P S/DCON 6P C1001-10043409222871-TCAP AF RSG 0.22UF 50V 5P0.22/50 CN6024428594903LA5268/LAB0640/2.5MM-03PCN 3P LD1001,2300052105LED LTL-307E-041A LITEONGRE (EL204GD) LD1006 LD1002,2300050105LED LTL-307G-041A LITEONRED (SLR34UR) LD1005 LD1003,2300050105LED LTL-307E-041A LITEONRED (SL
8、R34UR) LD1004 Q1001-10042008606108-TTR NPN KTC2240BL (KTC 3200BL)KTC 2240BL R1001,3089332275RES NFR 3.3K 1/4W J R PHILKOFR 3.3K R1004-1008 R1002-1003, 3009223973RES CF 22K 1/5W J N22K R1009-1010 R1103-11043009472973RES CF 4.7K 1/5W J N4.7K VR1101-11023228075410VR PI16 10KB (21 DETENT)10KB AN40743557
9、63718CON ASSY 2P FILAT 420MMCON ASSY 2P L11012300050100LED LTL-307E LITEONLTL-307E012A R1101-11023009622973RES CF 6.2K 1/5W J N6.2K C1-23409215971-TCAP AF RSG 1.5UF 50V 5P1.5/50 C1073409210141-TCAP AF RSG 100UF 25V 6P100/25 C108-109,3409810141-TCAP AF NP 100UF 25V100/25 NP C206, C306 C201, C30134095
10、47031-TCAP AF 47UF 16V (MOSE)47/16 C202, C3023688471118CAP MO SR22C 471JA471JA C205, C3053698152198CAP NPP POLY 152J 2J152J C208, C3083678050177CAP M1 DM1 C 050D5050D5 C209-210,3609222120-TCAP MA 0.0022UF 100V J0.0022M C309-310 C213-214,3609104122-TCAP MA 0.1UF 100V J SMALL0.1/100 (M) C313-314 C218,
11、 C3073678220177CAP M1 DM 5C 220J5220J5 CN2, CN304,4428595003LW5267/LWB0640/2.5MM-03PCN 3P CN306 CN2014428595008LW5267/LWB0640/2.5MM-08PCN 8P CN2024355923806CONNECTOR WAFER 06P (J.ST)CN 6P CN203A,4355923804CONNECTOR WAFER 04P (J.ST)CN 4P CN203B CN3014428595006LW5267/LWB0640/2.5MM-06PCN 6P D1112058100
12、996DIODE RECTIFIER LT1N4006 (4007)1N 4006 Ref No.Part No.ValueDescriptionRef No.Part No.ValueDescription AN303,4355763615CON ASSY 3P FLAT 330MMCON 3P AN406 AN3064355763718CON ASSY 2P FILAT 420MMCON 2P AN601-6024355863620CPM ASSY 3P FLAT 480MMCON 3P BD12058100998DIODE KBPC3504KBPC 3504 BD401-40220581
13、00979DIODE BRIDGE (KBP01G/KBP153G)KPBP 152 C263549472407CAP SPARK KILLER 0.0047UF 400V0.0047/400 C401-4023619474153CAP POLY TM 0.47UF 250V0.47/250 C403-4063419510300CAP HM 10000UF/80V 35P*6010000/80 C407-4143509472530-TCAP CE F 0.0047UF 50V Z0.0047/50 C415-4163409222171-TCAP AF RSG 220UF 50V SG 10P2
14、20/50 C417-4183408247161CAP RSA 470UF 35V SNAP 13P470/35 C4190-420,3409210071-TCAP AF RSG 10UF 50V 5P10/50 C422 C4213408210261CAP RSG 1000UF 35V SNAP 16P1000/35 C4233409210171-TCAP AF RSG 100UF 50V 8P100/50 C424-4253409247071-TCAP AF RSG 47UF 50V 6P47/50 CN301-3024355923806CONNECTOR WAFER 06P (J.ST)
15、CN 6P CN401-402,4428595003LW5267/LWB0640/2.5MM-03PCN 3P CN405 CN4034428595009LW5267/LWB0640/2.5MM-09P7 D401-405,2058100996DIODE RECTIFIER LT1N4006 (4007)1N 4006 D407 D4062058502240DIODE ZENER UZ-24BM (23.1, 25.5)UZ 24BM F65568224433CIRCUIT BREAKER 20A (UL/CSA)20A (UL/CSA) F65568224633CIRCUIT BREAKER
16、 12A (DOM)12A (DOM) F65568224533CIRCUIT BREAKER 10A (EUROPE)10A (EUROPE) F401-4035508412234FUSE TS 20MM 1A/250V U/C/ST1AL/250V IC4012128610900IC KA7815 COMMON7815 IC4022128610800IC MC7915 COMMON7915 INLET14448997410AC INLET 6100.4315 250T SCURTEAC INPUT P4014355789207CON ASSY REDASSY P402-4034355789
17、306CON ASSY 1P ORGASSY P4044355789403CON ASSY 1P BLKASSY P405-4074465998210TERMINAL (250) PCB TAB250T PT42828063200TRANS POWER 120Version (UL/CSA)P.T (120Version) PT42828063210TRANS POWER 220Version (DOM)P.T (220Version) PT42828063220TRANS POWER 230Version (EUROPE)P.T (230Version) PT42828063230TRANS
18、 POWER 240Version (EUROPE)P.T (240Version) PO401-4022438200515THERMISTOR POWER NTC 5D-15TH5D-15 Q4012008606108-TTR NPN KTC2240BL (KTC 3200BL)KTC 2240BL Q4022028407990TR NPN 2SC 3298A(Y), KTC4370A(Y)KTC 4370 Q4032028406113TR NPN KTD 2058Y (D880Y)KTD 2058Y R4013009122973RES CF 1.2K 1/5W J N1.2K R40330
19、09822973RES CF 8.2K 1/5W J N8.2K R8143009102973RES CF 1K 1/5W J N1K RY4015528009993RELAY VH-24H O.E.G/TAKAMISAWAHR-CR6 SW14625996611SW POWER (C1350AT) ARCOLECTRICPOWER SWITCH AN3014355764114CON ASSY 6P S/D 300MMCON 6P C610,3409247071-TCAP AF RSG 47UF 50V 6P47/50 C710-713, C810, C812-813 C701-702,352
20、9560311-ACAP CE SL 56PF 50V J AXIAL56P C706-707, C801-802, C806-807 C704-7053409222071-TCAP AF RSG 22UF 50V 5P22/50 C709, C8093509101231-ACAP CE B 100PF 50V K AXIAL100P C714, C8113539104531-ACAP CE Y 100000PF 50V Z AXIAL100000P CN406,4428595003LW5267/LWB0640/2.5MM-03PCN 3P CN702A, CNB802 CN701,44285
21、95004LW5267/LWB0640/2.5MM-04PCN 4P CN802 D701-707,2058304100DIODE IN41481N 4148 D801-807 IC701, IC801 2118010432IC NJM2068DD JRCNJM 2068DD IC7022168220989IC NJM 2068L JRCNJM 2068L JK701-702,4438090310JACK COMBINATION CXLF-06LJACK JK801-802 Q701, Q8012028821134-TFET 2SK372 BL-TYPE 42SK 372 POWER BD (
22、4005185900) INPUT BD (4005185910) VR 1/2 BD (4005185920) VR 3/4 BD (4005185930) POWER LED BD (4005185940) AMP BD (4005186000) MODELQD-4960 100dB 0dB 20k (Balance/Unbalance) (Front) Power SW: Push up On/Push down Off Attenuator: 21-position dB calibrated (Rear) Mode Sw: Bridged/Stereo/Parallel AC 110
23、V240V, 50/60Hz 770W 17kg 482(W)88(H)369(D) mm InputCombination Jack (Balance) Output 5-Way binding posts4 Power Output Level f=1kHz, THD+N 0.05% (Typical) QUADRL=8 RL=4 BRIDGED STEREO RL=8 One Channel Driven f=1kHz THD+N 0.05% RL=4 Frequency Response RL=8, P.=1W Power Bandwidth Half Power, THD+N 0.1
24、% STEREO RL=8 Total Harmonic Distortion (THD+N) f=20Hz20kHz, Half Power QUADRL=8 RL=4 BRIDGED STEREO RL=8 Channel Separation Half Power RL=8, f=1kHz, ATT. max. Input 600 shunt Residual Noise (DIN Audio Filter) Signal-to-Noise Ratio DIN Audio, Input 600 Shunt Sensitivity (ATT max.) Rated Power into 4
25、 1kHz Input Impedance (ATT max.) Indicators Protection PC Limiter Fan Circuit Controls Power Source Power Consumption Weight Dimensions Connectors 170W 240W 480W 240W 0dB+0.5, 1.5dB: f=DC55kHz 10Hz20kHz 0.05% 0.07% 0.07% 80dB 85dB: ATT min. Power (Red) Protection (Mute)4(Red) Clip4(Orange) Signal4(G
26、reen) Power SW ON/OFF muting Heatsink Temp 100C (212F) RL=2 -50C (122F)-60C (140F) Low-Speed Variable Hi-Speed * Specifications and design subject to change without notice for improvements. TOP AND BOTTOM VIEW OF P.C. BOARD 54 D201-209,2058304100DIODE IN41481N 4148 D214, D301-309, D314 D210-211,2058
27、322100DIODE 1SS145 ROHMISS 145 D310-311 D212-213,2058100110DIODE PS2010 PYUNG CHANGPS 2010 D312-313 IC1022118050410IC TA7317P TOSHIBATA 7317P J201, J3014408194903PIN HEADER 3PPIN 3P L201, L3012648099940COIL INDUCTOR 1.2UM1.2uH PO201, PO3012438007994POSISTOR PTH 59F04 BE 471TSBE471TS PO3032438007993P
28、OSISTOR PTH 9M04 BE 222TS 2FBE222TS PO3042438007995POSISTOR PTH 9M04 BH 471TS 2FBE471TS Q101,2008606108-TTR NPN KTC2240BL (KTC 3200BL)KTC 2240BL Q204-205, Q209, Q304-305, Q309 Q201, Q210, 2008206104-TTR PNP KTA 1268BLKTA 1268BL Q217-218, Q301, Q310, Q317-318 Q202-203,2008206106-TTR PNP KTA2400G KECK
29、TA 2400G Q302-303 Q206, Q3062008005999TR PNP 2SA 1546 NEC2SA 1546 Q207, Q3072008405999TR NPN 2SC4001 NEC2SC 4001 Q208, Q3082008400960TR NPN 2SC 1567A-R MATSUSHITA2SC 1567A Q211, Q3112028407990TR NPN 2SC 3298A (Y), KTC4370A (Y)2SC 3298A Q212, Q3122028107984TR PNP 2SA 1306A (Y), KTA1659A (Y)2SA 1306A
30、Q213, Q215, 2028427998TR 2SC 3856 W/ACC2SC 3856 Q313, Q315, Q214, Q215, 2028117994TR PNP 2SA 1492 W/ACC2SA 1492 Q314, Q316 R110, R1143009822973RES CF 8.2K 1/5W J N8.2K R111,3009104973RES CF 100K 1/5W J N100K R352-353 R112, R202,3009473973RES CF 47K 1/5W J N47K R210-212, R302, R310-312 R1133009682973
31、RES CF 6.8K 1/5W J N6.8K R115-116,3009223973RES CF 22K 1/5W J N22K R255-256, R268, R271, R273, R365-366, R368, R371, R373 R201, R3013009271973RES CF 270 1/5W J N270 R203, R3033003120953RES CF 1.2K 1/5W FN1.2K 1% R204,3009561973RES CF 560 1/5W J N560 R208-209, R304, R308-309 R205, R3053009123973RES C
32、F 12K 1/5W J N12K R206, R306,3009102973RES CF 1K 1/5W J N1K R623 R207, R3073009121973RES CF 120 1/5W J N120 R213, R3133009100973RES CF 10 1/5W J N10 R214-215,3089820275RES NFR 82 1/4W J R PHILKOFR 82 R314-315 R216, R3163009182973RES CF 1.8K 1/5W J N1.8K R217, R3173009471973RES CF 470 1/5W J N470 R21
33、8-219,3002220953RES CF 22K 1/5W F N22K 1% R318-319 R220-221,3089100275RES NFR 10 1/4W J R PHILKOFR 10 R320-321 R222-223,3089221275RES NFR 220 1/4W J R PHILKOFR 220 R226-229, R322-323, R326-329 R224-225,3009333973RES CF 33K 1/5W J N33K R324-325 R230-231,3089332275RES NFR 3.3K 1/4W J R PHILKOFR 3.3K R
34、330-331 Ref No.Part No.ValueDescription R232-233,3089479275RES NFR 4.7 1/4W J R PHILKOFR 4.7 R238-239, R332-333, R338-339 R234-235,3079101275RES ERD-2FCVG 101T 1/4W RFR 100 R240-241, R334-335, R340-341 R236-237,3049478783RES CE 0.47 5W J T HAN NAE0.47 5W R242-243, R336-337, R342-343 R250, R350303947
35、9575-TRES MO 4.7 2W J RADIAL4.7/2W R251, R3513039100575-TRES MO 10 2W JR10 2W R258, R3583009224973RES CF 220K 1/5W J N220K R269, R3693009103973RES CF 10K 1/5W J N10K R270, R272,3009221973RES CF 220 1/5W J N220 R370, R372 R275, R3573009683973RES CF 68K 1/5W J N68K R3543009184973RES CF 180K 1/5W J N18
36、0K RL2015528009950RELAY CR 323 DC24VCR323 SP1-44438090210TERMINAL BINDING POST 2PBINDING POST VR201,3248347110RES SEMI RH 470 SIDE ADJ470B VR301 Ref No.Part No.ValueDescription WIRING DIAGRAM 67 8 BLOCK DIAGRAM 910 SCHEHATIC DIAGRAM 1112 1314 S1 20 1 S5 6 27 26 28 9 S11 8 11 2 3 S3 S4 S3 16 154 14 1
37、7 S2 8309100013 8209110013 056335999520 4448997410 5568224533 7502090910 2058100998 6505936710 2828063210 4308997310 8545084520 6503973410 6505955520 046505939911 6538999110 7308999010 6705998410 6705998310 6505939810 4625996611 8545993390 6505940010 046121678021 048543985811 046122095910 0461216780
38、11 048601992413 048603995220 046505968210 PANEL FRONT CHASSIS MAIN TOP COVER 2 NO. 1 4 PART NAMEPART NUMBER 22 23 24 S5 S8 BKT GND18 FAN BKT SPACER FAN COVER BKT (REAR) SPACER HOLDER DIODE BKT (HANDLE) KNOB CONTROL LED LIMITS BKT (HEAT SINK) POWER SW HANDLE 11 8 6 5 7 9 10 13 12 14 16 15 17 FAN POWE
39、R TRANS AC INLET CIRCUIT BREAKER KNOB CONTROL KNOB SLIDE19 20 22 23 25 QX-4960 QD-4960 1 QTY 1 1 2 1 REMARK PART NAMEPART NUMBERQTYREMARK 2 1 1 2 2 4 4 1 4 4 4 2 2 2 4 1 2 1 1 1 1 4 1 1 8095996930 8095996720 8095996520 8095997010 8095997110 8109340083 8009140083 8109330063 8009130064 25 NO. WASHER S
40、PRING NUT M10B FOOT&FOOT FELT 27 26 28 DOT SCREW BM 3X8B SCREW 3BTC 4X18Y SCREW BM 4X8B SCREW 3BTC 4X8B ASSY PM 4X18B DOT SCREW 2BTC 3X10B ASSY PM 4X16N HEX MSPM 3X12Y ASSY PM3X22B SCREW 3BTC 3X6B SCREW BM 3X6N S3 S1 S2 S4 S5 S6 S10 S8 S7 S9 S11 8109340181 8099130121 4 5 12 8 16 4 1 8 13 32 2 10 13 12 S7 S6 3HEAT SINK 5 7 18 19 21BKT SUPPORT 21 24AC CORD 048601992414 QX-4960 QD-4960 85450845202 QX-4960 QD-4960 QD-4960 REMOVE EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST 1516 ASSY DRAWING
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