Harman Kardon HD 970 (serv.man9) Service Manual ▷ View online
HD970 / HD970B /
HD970 Limited Edition
CD Player
HD970 Limited Edition
CD Player
SERVICE MANUAL
Power for the Digital Revolution
™
®
Please note that four versions of HD970 exist:
HD970 Silver: mk1
mk2
HD970 Black: Limited Edition, same as Silver mk1 except external parts
Mk 2, same as Silver mk2 except external parts
mk2
HD970 Black: Limited Edition, same as Silver mk1 except external parts
Mk 2, same as Silver mk2 except external parts
The differences between mk1 and mk2 versions are not apparent to the end-user.
INDEX
Harman/Kardon
Harman Consumer Group International
HD970/230
Specification………………………………………………………………..Page
3
Software download procedure (Loader)........................................................Page 4
Software download procedure (Main bd)......................................................Page 5
Exploded view ……………………………………………………………..Page 6
Part list (Front)………………………………………………...…………....Page 7
Part list (Display)……………………………………………………….......Page 8
Part list (Connect bd)……………………………………………………….Page 9
Par
Software download procedure (Main bd)......................................................Page 5
Exploded view ……………………………………………………………..Page 6
Part list (Front)………………………………………………...…………....Page 7
Part list (Display)……………………………………………………….......Page 8
Part list (Connect bd)……………………………………………………….Page 9
Par
t list (Main)……………………………………………………………...Page 10
IC pin out…….……………………………………………………………..Page 13
Schematics (connect bd)..………………………...………………………...Page 17
Schematics (DAC and output stage)...……………………………………...Page 18
Schematics (Digital IN and output).………………………………………...Page 19
Schematics (Main processor)..……………………………………………...Page 20
Schematics (Power supply).………………………………………………...Page 21
Schematics (Display)......…………………………………………………...Page 22
Schematics (Front)..........…………………………………………………...Page 23
Schematics (connect bd)..………………………...………………………...Page 17
Schematics (DAC and output stage)...……………………………………...Page 18
Schematics (Digital IN and output).………………………………………...Page 19
Schematics (Main processor)..……………………………………………...Page 20
Schematics (Power supply).………………………………………………...Page 21
Schematics (Display)......…………………………………………………...Page 22
Schematics (Front)..........…………………………………………………...Page 23
PCB drawing (connect bd)…………………………………………………..Page 24
PCB drawing (Main top)……………...……………………………………..Page 25
PCB drawing (Main bottom)..………...……………………………………..Page 26
PCB drawing (Front).........…………………………………………………..Page 27
PCB drawing (Display top).....………..……………………………………..Page 28
PCB drawing (Display bottom)………………….…………………………..Page 29
Packing and accessories …………………………………………………….Page 30
PCB drawing (Main top)……………...……………………………………..Page 25
PCB drawing (Main bottom)..………...……………………………………..Page 26
PCB drawing (Front).........…………………………………………………..Page 27
PCB drawing (Display top).....………..……………………………………..Page 28
PCB drawing (Display bottom)………………….…………………………..Page 29
Packing and accessories …………………………………………………….Page 30
Version 2, SN from 10361
Version 1, SN up to 10360
Signal Format
Sampling Frequency
44.1kHz
D/A Conversion
Multi-Level Delta-Sigma
Oversampling
8 Times (Digital Filter)
Discrete Analog Output Section
Error Correction
CIRC System
Frequency Response
20 Hz – 20 kHz +0/-1dB
Total Harmonic Distortion (THD)
<0.006% @1kHz
Dynamic Range
96 dB
Signal-to-Noise Ratio
98 dBA
Channel Separation
90 dB
Line-Output Level
1.0 V, 2.0 V with HDCD
General
Power Requirement
230V/50 Hz
Power Consumption
<10 Watts (On)
Dimensions
Height
110mm (5.1")
Width
440mm (17.3")
Depth
325mm (15.2")
Weight
4.4 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.
Height measurement includes feet and chassis.
All features and specifications are subject to change without notice.
Harman Kardon is a registered trademark, and
Power for the digital revolution is a trademark, of Harman Kardon, Inc.
Power for the digital revolution is a trademark, of Harman Kardon, Inc.
Technical Specifications
250 Crossways Park Drive, Woodbury, New York 11797
www.harmankardon.com
Harman Consumer International:
2, route de Tours, 72500 Château-du-Loir, France
© 1999 Harman Kardon, Incorporated
Part #3828SND043A
www.harmankardon.com
Harman Consumer International:
2, route de Tours, 72500 Château-du-Loir, France
© 1999 Harman Kardon, Incorporated
Part #3828SND043A
harman/kardon
Download Procedure
HD970
June
05
To:
harman/kardon
Service
Centers
Models:
HD970/230
Subject:
FIRMWARE DOWNLOAD
Item needed:
CD-R disc, writer program/CD-R writer and two files include a txt file and a BIN file
The BIN file contains the servo firmware and the txt help the unit to download the software.
The BIN file contains the servo firmware and the txt help the unit to download the software.
1. Please add all the files to a blank CD-R as CD-ROM Mode 1 format.(standard)
Caution: If you make CD-R download disc as CD-ROM XA mode, new firmware will not be downloaded.
2. When your adding files to the blank CD-R, please do not change the file's name.
3. When you are ready to make a CD-R download disc, you should make CD-R session closed. That is, CD-R download
disc must be a single session disc (finalized). Always write the CD-R in lowest speed possible.
4. Power HD970 on and make sure the unit is 100% functional before start any upgrade.
5. Eject the tray by OPEN /CLOSE and insert the CD-R
6. Close the tray with OPEN/CLOSE or pushing tray manually.
7. Wait until tray open itself. The display will show the status of the download.
8. Remove the disc.
9. Unplug the power cord
10. Plug the power cord, power HD970 on and ensure the units are working.
11. Upgrade done.