Onkyo M 5590 Service Manual

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SERIAL NO 3232

ON KYO SERVICE MANUAL

Stereo Power Amplifier
MODEL M-5590

UG

220V AC, 50Hz

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK 2?: ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST
ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC
SHOCK. REPLACE THESE COMPONENTS WITH
ONKYO PARTS WHOSE PARTS NUMBERS APPEAR
AS SHOWN IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE MEA-
SUREMENTS TO DETERMINE THAT EXPOSED PARTS
ARE ACCEPTABLY INSULATED FROM THE SUPPLY
CIRCUIT BEFORE RETURNING THE APPLIANCE
TO THE CUSTOMER.

TABLE OF CONTENTS

Specifications ............................. 2
Precautions .............................. 2
Block diagram ............................. 3
Adjustment procedures ....................... 4
Front panel facilities ........................ 4
Packing procedures ......................... 5
Chassis-exploded View ....................... 6
Printed board parts list ....................... 8
System connections ......................... 11
IC Block diagram ........................... 12
Schematic diagram .......................... 13
Printed circuit board view ..................... 15

ON KYO®
Allllll] liflMPlINENIS

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SPECIFICATIONS

2 x 450 watts at 4 ohms, IkHz (DIN) 2 x 260 watts at 8 ohms, lkHz (DIN)

Music Power Output:
Continuous Power Output:

Total harmonic distortion:

Intermodulation distortion:
Frequency response:

Input sensitivity:

Input impedance:

Damping factor:

S/N ratio:

Outputs:

Inputs:

Power Supply:

Dimensions:

Weight:

2 x 315 watts at 4 ohms, lkHz (DIN) 2 x 215 watts at 8
200 watts per channel, min. RMS, at 8 ohms, both channels driven, from 20 Hz to 20 kHz,

with no more than 0.003% THD
0.003% at rated power

0.003% at 1 watt output
0.003% at rated power

+0, ~15 dB at 1H2 to 100kHz
1.0V

20kohms

140 (8 ohms, 1kI-Iz)

120 dB (IHFA, shorted)
SPEAKERS 1 & 2, AC OUTLET (120V models only)
INPUT (VARIABLE, DIRECT)
AC 220V, SOHZ

465(W) x 185(H) x 426(D) mm
18 5/16" x 7 9/32" x 16 25/32"
25 kg, (55.1 lbs.)

Specifications and features are subject to change without notice.

PRECAUTIONS

1. Replacing the fuses

For continued protection against risk fire, replace only with same type and same rating fuse.

CIRCUIT NO. PARTS NO. DESCRIPTION
F803, F804 252077 4A-SE-EAK, Primary fuse
F702 252074 2A-SE-EAK, Secondary fuse

2. Replacing the lamp

This unit uses the lamp listed below.

CIRCUIT NO. PARTS NO. DESCRIPTION
PL881, PL882 210191 PL14V 150mA (Green)
PL883, PL884
PL885, PL886 210192 PL14V 150mA (Orange)
PL887, P1888
I
~2_

ohms, lkHz (DIN)

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