Onkyo M 506 RS Service Manual

Page 1

ONKXO SERVICE MANUAL
SUPER SERVO STEREO
P OVVEZR thflf)L I F I E R

IJ\V 120V / 220V AC, 50 /60 Hz

TABLE OF CONTENTS

i t e m i Page
Specifications 2
Biock diagram 2
Precautions 4
Adjusimenis 5
Front panel 8
7xnioueu View 9
Component iocuLion 10
Packing procedures VI 12
Printed circuit board parts list 13
Printed circuit board view from

component side 17
Schematic diagram 19

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SPECIFICATIONS

Power output: 150 watts per channel, rnin. HMS, at 8 l
ohms, both channels driven, from 20 Hz to
20 kHz, with no more than 0.002% total
harmonic distortion

Total harmonic

distortion: 0.002% at rated power

0.002% at 1 watt output

lntermodulation

distortion: 0.001536 at rated power
Frequency response: 1 Hz to 100 kHz, +0, -1.5dB
input sensitivity: 1 volt
Input impedance: 47 kohms
Damping factor: 180 (8 ohms, 1 kHz]
S/N ratio: 122 dB
Power supply: AClZOV, 60H: or ACZZDV, 50H:
Outputs: SPEAKERS 1 8t 2, PHONES
Inputs: INPUT
Semiconductors: ' 8 FETs, 47 transistors, 54 diodes, 6 ICs I
Dimensions: 480lW) x 175(Hl x 422(D) mm

- 18 7/8" x 6 7/8" x16 5/8"

Weight: 20.5 kg, 45.2 lbs.

Specifications and features are subject to change without notice.

BLOCK DIAGRAM ' .

LEVEL
iFIUT POWER AMP,
PROTECTION RELAY SPEAKER RELAY SPEAKERS
JLlo °I/° @ SYSTEM-1
fl, g;°: I SPEAKER RELAY
l ' mc ©SYSTEM-2
I SPEAKERI : l
= ON I
*3 5702
RLiOl 1 o Ruoz : .
OFF I
l
l
sERvo Siggsmeazm .= W
cmcun o °""'-R'Uo"-3 DRIVE
77 or;
MEiER RANGE @ PHONES
XOJ $701 .
[PROTECTION I X1 METER l
lctncun ~ M DRIVE [ < q,
' é METER
l RL601 .
I REL. @ METERtBLUEJ
LAMP DRIVE METERlRED) .

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