Inter-m QD-4960 Service Manual
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SERVICE
MANUAL
Q
U
A
D
AMPLIFIER
QD-4960
http://www.inter-m.com
MADE IN KOREA
NO: 9007979200

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Table of Contents
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Summary of Contents for Inter-m QD-4960

  • Page 1: Service Manual

    SERVICE MANUAL AMPLIFIER QD-4960 http://www.inter-m.com MADE IN KOREA NO: 9007979200...
  • Page 2: Table Of Contents

    ELECTRICAL ADJUSTMENT PROCEDURE IDLE CURRENT A. Setting Set the master volume minimum. B. Connection R237 R236 R342 R343 VOLT METER VR201 VR301 AMP B’D C. Adjustment – Adjust VR301 so that the current through the R237, R236, R342, R343 become 10 milliampere. –...
  • Page 3: Specifications

    ELECTRICAL PARTS LIST Ref No. Part No. Description Value Ref No. Part No. Description Value MODEL QD-4960 R1-2 3009102973 RES CF 1K 1/5W J N Power Output Level POWER B’D (4005185900) R701-708, 3002120953 RES CF 12K 1/5W FN 12K 1% f=1kHz, THD+N ≤...
  • Page 4: Top And Bottom View Of P.c. Board

    TOP AND BOTTOM VIEW OF P.C. BOARD Ref No. Part No. Description Value Ref No. Part No. Description Value D201-209, 2058304100 DIODE IN4148 1N 4148 R232-233, 3089479275 RES NFR 4.7 1/4W J R PHILKO FR 4.7 D214, R238-239, D301-309, R332-333, D314 R338-339 D210-211,...
  • Page 5: Wiring Diagram

    WIRING DIAGRAM...
  • Page 6: Block Diagram

    BLOCK DIAGRAM...
  • Page 7 SCHEHATIC DIAGRAM...
  • Page 9: Exploded View Of Cabinet & Chassis/Mechanical Parts List

    FOOT&FOOT FELT 056335999520 POWER TRANS 2828063210 AC CORD 4308997310 AC INLET 4448997410 CIRCUIT BREAKER 5568224533 BKT SUPPORT 6505936710 KNOB CONTROL 6503973410 QD-4960 REMOVE 8545084520 QD-4960 KNOB SLIDE 8545084520 QX-4960 BKT GND 6505955520 FAN COVER 6538999110 BKT (REAR) 046505939911 7308999010 FAN BKT...
  • Page 10: Ass'y Drawing

    ASS’Y DRAWING...

Table of Contents