HD 990 (serv.man7) - Harman Kardon Audio Service Manual (repair manual)

hd 990 (serv.man7) service manual
Model
HD 990 (serv.man7)
Pages
46
Size
2.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hd-990-sm7.pdf
Date

Read Harman Kardon HD 990 (serv.man7) Service Manual online

 
 
harman/kardon
    
            Service Manual 
 
 
                               
                                                
 
HD 990/230 
CD Player 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CONTENTS
 
 
 
SEMICONDUCTOR PINOUTS 
 
12 
PCB 
DRAWINGS 
   30 
VERSION HISTORY     
 
          34 
S
 
BASIC 
SPECIFICATIONS 
  2 
TROUBLESHOOTING GUIDE  
 
PACKAGE LIST AND PARTS 
 
EXPLODED 
VIEW 
   5 
PARTS 
LIST 
    6 
CHEMATIC DIAGRAMS 
 
       35-46 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Released 
EU2009 
  Harman 
International   Rev 
0, 
09/2009 
     8500 
Balboa 
Boulevard 
     Northridge, 
California 
91329 
 
harman/kardon
HD 990/230 Service Manual
Page 1 of 46
Signal Format
Sampling Frequency
32 kHz to 96 kHz
D/A Conversion
Multi-Level Delta-Sigma, Dual DAC configuration.
Oversampling
24 Bits/384 kHz Asynchronous Sample Rate Convertor 
Discrete Analog Output Section
Error Correction
CIRC System
Frequency Response
20 Hz – 20 kHz +0/-0.5dB
Total Harmonic Distortion (THD)
<0.0006% @1kHz
Dynamic Range
> 120 dB
Signal-to-Noise Ratio
116 dB
Channel Separation
> 115 dB
Line-Output Level
2.0 Vrms (Unbalanced)
4.0 Vrms (Balanced)
General
Power Requirement
100-240 V 50/60 Hz
Power Consumption
<20 Watts (On)
<2 Watts (Standby)
Dimensions
Height
63mm 
Width
440mm 
Depth
332mm 
Weight
3.8 kg
Depth measurement includes knobs, buttons and connection jacks.
Height measurement includes feet and chassis.
All features and specifications are subject to change without notice.
Harman Kardon is a registered trademark
Technical Specifications
250 Crossways Park Drive, Woodbury, New York 11797 
www.harmankardon.com
Harman Consumer Group International: 
2, route de Tours, 72500 Château-du-Loir, France
© 2008 Harman Kardon, Incorporated 
Part 01.00.YS.SM1.E1799
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harman/kardon
HD 990/230 Service Manual
Page 2 of 46
Troubleshooting Guide
ENGLISH
TROUBLE SHOOTING GUIDE
SYMPTOM
No lights on Front Panel
Remote does not appear 
to operate 
Front panel lights, but CD 
does not play
Play indicator lights, but 
no sound is heard
Sound skips or stutters 
during play
Sound is continually distorted
ERROR
lights up continuously 
in the display
CAUSE
• No AC power
• Power Switch turned off
• Weak batteries
• Blocked sensor
• Disc upside down
• Poor connections
• Wrong source connected
• Disc may be damaged
• Surface vibrations 
• Incorrect input
• Various
SOLUTION
• Make certain AC power cord is plugged into 
a live outlet.
• Turn on Power Switch. 
• Install fresh batteries, observing polarity indications.
• Remove obstructions from the front panel sensor or connect a
remote sensor to the 
Remote In
jack on the rear panel. 
• Reload disc with label side facing up.
• Make certain connections are secure and made
to the correct (e.g., 
CD
) input.
• Select CD source on receiver or preamp.
• Try another disc.
• Isolate the unit from vibration by placing it on a
firm surface or move it further away from speakers.
• Make certain that the analog 
Audio Outputs
1
of the 
CD player are connected to a line level audio input, NOT to a
 digital audio or phono input.
• Turn the unit off and on again. If the problem persists, turn the AC
power to the CD player off and on.
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harman/kardon
HD 990/230 Service Manual
Page 3 of 46
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harman/kardon
HD 990/230 Service Manual
Page 4 of 46
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Download Harman Kardon HD 990 (serv.man7) Service Manual (Repair Manual)

Here you can read online and download Harman Kardon HD 990 (serv.man7) Service Manual in PDF. HD 990 (serv.man7) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Harman Kardon HD 990 (serv.man7) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.