Harman Kardon AVR 55 Service Manual ▷ View online
harman/kardon
AVR55
AUDIO/VIDEO
AC-3 PRO-LOGIC RECEIVER
SERVICE MANUAL
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
CONTENTS
SPECIFICATIONS……………………………………………..……..………………………..2
FRONT/REAR PANEL CONTROLS & CONNECTIONS ……………………….……..3
FRONT/REAR PANEL CONTROLS & CONNECTIONS ……………………….……..3
SET-UP/OPERATION GUIDE………………….………………………….……..…………12
TROUBLESHOOTING …………….………………………………………..………………..26
BLOCK DIAGRAM (UNTILED & TILED)…………………………………………………27
EXPLODED VIEW ……………….…..……………………..……………………..………….32
MECHANICAL PARTS LIST ……….……..…….…………………………….…………….34
ELECTRICAL PARTS LIST……………….………………..…………………..…………….35
TROUBLESHOOTING …………….………………………………………..………………..26
BLOCK DIAGRAM (UNTILED & TILED)…………………………………………………27
EXPLODED VIEW ……………….…..……………………..……………………..………….32
MECHANICAL PARTS LIST ……….……..…….…………………………….…………….34
ELECTRICAL PARTS LIST……………….………………..…………………..…………….35
SCHEMATICS – AMPLIFIER (UNTILED & TILED)..……………………..…………..44
SCHEMATICS – FRONT PCB (UNTILED & TILED)..…………………….…………..49
SCHEMATICS – INPUT PCB (UNTILED & TILED)..…………….……….…………..54
SCHEMATICS – MAIN PCB (UNTILED & TILED)..……..……….……….…………..59
SCHEMATICS – PRE-IN PCB (UNTILED & TILED)..……..……….…….…………..64
SCHEMATICS – AC-3 PCB (UNTILED & TILED)..……..…….…….…….…………..69
SCHEMATICS – FRONT PCB (UNTILED & TILED)..…………………….…………..49
SCHEMATICS – INPUT PCB (UNTILED & TILED)..…………….……….…………..54
SCHEMATICS – MAIN PCB (UNTILED & TILED)..……..……….……….…………..59
SCHEMATICS – PRE-IN PCB (UNTILED & TILED)..……..……….…….…………..64
SCHEMATICS – AC-3 PCB (UNTILED & TILED)..……..…….…….…….…………..69
SCHEMATICS – TUNER PCB (UNTILED & TILED)..….…….…….…….…………..74
WIRING DIAGRAM (UNTILED & TILED)………………….…………………………….79
WIRING DIAGRAM (UNTILED & TILED)………………….…………………………….79
Technical Specifications
AVR55 120 volt
Audio Section
Stereo Mode
Continuous Average Power (FTC)
Continuous Average Power (FTC)
65 Watts per channel 20Hz–20kHz:
@ < 0.07% THD, both channels driven into 8 Ohms
@ < 0.07% THD, both channels driven into 8 Ohms
Five-Channel Surround Mode
Power Per Individual Channel
Power Per Individual Channel
Front L&R channels:
55 Watts per channel,
@ 0.07% THD, 20Hz–20kHz into 8 ohms
55 Watts per channel,
@ 0.07% THD, 20Hz–20kHz into 8 ohms
Center channel:
55 Watts, 20Hz–20kHz into 8 ohms
55 Watts, 20Hz–20kHz into 8 ohms
Surround channels:
55 Watts per channel, 40Hz–20kHz into 8 ohms
55 Watts per channel, 40Hz–20kHz into 8 ohms
Input Sensitivity/Impedance
Linear (High Level)
200mV/32 Kohms
Phono
3mV/47 Kohms
Signal-to-Noise Ratio (IHF-A)
Linear (CD)
95dB
Phono
73dB
Surround System Adjacent Channel Separation
Analog Decoding (Pro Logic, etc.) 40dB
Dolby Digital (AC-3)
Analog Decoding (Pro Logic, etc.) 40dB
Dolby Digital (AC-3)
55dB
Frequency Response
@ 1W (+0, –3dB)
8Hz–100kHz
High Instantaneous
Current Capability (HCC)
Current Capability (HCC)
±35 Amps
Transient Intermodulation
Distortion (TIM)
Distortion (TIM)
Unmeasurable
Rise Time
16 µsec
Slew Rate
40 V/µsec
FM Tuner Section
Frequency Range
87.5–108 MHz
Usable Sensitivity
IHF 1.3 µV/14.2dBf
Signal-to-Noise Ratio
Mono/Stereo 70/68dB
Distortion
Mono/Stereo 0.3/0.5%
Stereo Separation
1kHz, 40dB
Selectivity
±400kHz 65dB
Image Rejection
98MHz 65dB
Tuner Output Level
1kHz, ±75kHz Dev 500mV
AM Tuner Section
Frequency Range
520–1710kHz
Signal-to-Noise Ratio
45dB
Usable Sensitivity
Loop 500µV
Distortion
1kHz, 50% Mod 0.8%
Selectivity
±9kHz, 25dB
General
Power Requirement
AC 120V 60Hz
Power Consumption
60W idle, 325W maximum
(2 channels driven)
(2 channels driven)
Dimension (Max)
Width
17.4 inches (440 mm)
Height
6.3 inches (160 mm)
Depth
16.0 inches (406 mm)
Weight
32.6 lbs. (14.8 kg)
Depth measurement includes knobs, buttons and terminal connections.
All features and specifications are subject to change without notice.
*Trademarks of Dolby Laboratories.
†
DTS is a trademark of Digital Theater Systems.
††
UltraStereo is a trademark of UltraStereo Corp.
2
Front Panel Controls
AVR55 120 volt
1
Main Power Switch
2
System Power Control
3
Power Indicator
4
Memo Button
5
Headphone Jack
6
FM Mode
7
Speaker Switch
8
AM/FM
9
Tuning Button
)
CD
!
Tape 1/Monitor
@
Tape 2
#
Phono
$
TV
%
DVD Input
^
Vid 1
&
Vid 1 Rec
*
Vid 2
(
Vid 2 Front/Rear
Ó
Speaker Mode Selector
Ô
Surround Off
Bass Control
Ò
Surround Mode
Ú
Treble Control
Û
Digital Mode Selector
Ù
Balance Control
ı
Digital Input Selector
ˆ
Night Mode
˜
Video 2 Inputs
¯
Contour
˘
Volume Control
¸
Subwoofer Level Adjust
33
Center Level Adjust
34
Surround Level Adjust
35
Information Display
36
Remote Sensor Window
37
Numeric Keys
6
7
8
9
0
AVR 55
Speaker
Headphones
TUNE
VID 1 REC.
1
2
3
4
5
SPK. MODE
SURR.OFF
FRT/REAR
VID 2
SURR. MODE
NIGHT
Volume
Contour
Bass
Treble
Balance
MEMO
DVD
VID 1
DIGITAL INPUT
DIGITAL
Subwoofer Level
Surround Level
Center Level
FM MODE
AM/FM
CD
T MON
•
PHONO
TV
VIDEO 2
R
Video
L
Max
Min
Max
Min
L Audio R
Power
RF COAX OPT
T 2
•
DIGITAL
HALL
THEATER
STADIUM
CHURCH
SLEEP
SOURCE
VID 2
DVD
TV
PRO LOGIC
VID
1
REC CONTOUR
STEREO
TUNED AUTO MEMORY PRESET
T MON
•
3 STEREO
-
˘
¯
ˆ
Ú
4
)
@
$
^
*
Ó
6 8
Ù
2
˜
ı
Û
5 7
9
#
%
&
(
Ô
Ò
!
1
3
¸
3