InterM QX4960 free download

File name InterM-QX4960 quad amp.pdf

SERVICE MANUAL Q U A D AMPLIFIER QX-4960 http://www.inter-m.com MADE IN KOREA NO: 9007979300 ELECTRICAL ADJUSTMENT PROCEDURE IDLE CURRENT A. Setting Set the master volume minimum. B. Connection TP1 R237 R342 R236 R343 TP2 VOLT METER VR301 VR201 AMP B'D 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" becomes 10 millivolt, the current becomes 10 milliampere. CONTENTS Electrical Adjustment Procedure Specifications Electrical Parts List Top and Bottom View of P.C. Board Wiring Diagram Block Diagram Schematic Diagram Exploded View of Cabinet & Chassis / Mechanical Parts List Ass'y Drawing 1 2 3, 4 5, 6 7 8 9, 10, 11, 12 13, 14 15, 16 1 SPECIFICATIONS MODEL Power Output Level f=1kHz, THD+N 0.05% (Typical) QUAD RL=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% STEREO RL=8 Total Harmonic Distortion (THD+N) f=20Hz~20kHz, Half Power QUAD RL=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 1kHz Input Impedance (ATT max.) Indicators Power Protection (Mute) 4 Clip 4 Signal 4 QX-4960 ELECTRICAL PARTS LIST Ref No. Part No. Description Value Ref No. IC701, IC801 IC702 JK701-702, JK801-802 Q701, Q801 R1-2 R701-708, R801-808 R709-710, R809-810 R711, R811 R712, R812 R713, R813 SW701-702, SW801-802 Part No. 2118010432 2168220989 4438090310 2028821134-T 3009102973 3002120953 3009103973 3009472973 3009473973 3009123973 4618999910 Description IC NJM2068DD JRC IC NJM 2068L JRC JACK COMBINATION CXLF-06L FET 2SK372 BL-TYPE 4 RES CF 1K 1/5W J N RES CF 12K 1/5W FN RES CF 10K 1/5W J N RES CF 4.7K 1/5W J N RES CF 47K 1/5W J N RES CF 12K 1/5W J N SW SS65010-0203-9H-FN Value NJM 2068DD NJM 2068L JACK 2SK 372 1K 12K 1% 10K 4.7K 47K 12K SW POWER B'D (4005185900) 170W 240W 480W 240W 0dB+0.5, ­1.5dB: f=DC~55kHz 10Hz~20kHz AN303, AN406 AN306 AN601-602 BD1 BD401-402 C26 C401-402 C403-406 C407-414 C415-416 C417-418 C4190-420, C422 C421 C423 C424-425 CN301-302 CN401-402, CN405 CN403 D401-405, D407 D406 F6 F6 F6 F401-403 IC401 IC402 INLET1 P401 P402-403 P404 P405-407 PT4 PT4 PT4 PT4 PO401-402 Q401 Q402 Q403 R401 R403 R814 RY401 SW1 4355763615 4355763718 4355863620 2058100998 2058100979 3549472407 3619474153 3419510300 3509472530-T 3409222171-T 3408247161 3409210071-T 3408210261 3409210171-T 3409247071-T 4355923806 4428595003 4428595009 2058100996 2058502240 5568224433 5568224633 5568224533 5508412234 2128610900 2128610800 4448997410 4355789207 4355789306 4355789403 4465998210 2828063200 2828063210 2828063220 2828063230 2438200515 2008606108-T 2028407990 2028406113 3009122973 3009822973 3009102973 5528009993 4625996611 CON ASS'Y 3P FLAT 330MM CON ASS'Y 2P FILAT 420MM CPM ASS'Y 3P FLAT 480MM DIODE KBPC3504