1
Electrical Adjustment Procedure
1
Specifications
2
Electrical Parts List
3, 4
Top and Bottom View of P.C. Board
5, 6
Wiring Diagram
7
Block Diagram
8
Schematic Diagram
9, 10, 11, 12
Exploded View of Cabinet & Chassis / Mechanical Parts List
13, 14
Ass’y Drawing
15, 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” becomes 10 millivolt, the current becomes 10
milliampere.
ELECTRICAL ADJUSTMENT PROCEDURE
TP1
TP2
R237
R342
R236
R343
VR201
VR301
AMP B’D
VOLT METER
Summary of Contents for QD-4960
Page 1: ...SERVICE MANUAL Q U A D AMPLIFIER QD 4960 http www inter m com MADE IN KOREA NO 9007979200 ...
Page 5: ...WIRING DIAGRAM 6 7 ...
Page 6: ...8 BLOCK DIAGRAM ...
Page 7: ...9 10 SCHEHATIC DIAGRAM ...
Page 8: ...11 12 ...
Page 10: ...15 16 ASS Y DRAWING ...
