Sony NHF800 - Manual
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Table of Contents:
- Page 2 – Notes on chip component replacement; Never reuse a disconnected chip component.; Flexible Circuit Board Repairing; Keep the temperature of the soldering iron around 270 ̊C; CAUTION
- Page 4 – NOTES ON LASER DIODE EMISSION CHECK; Providing the required system environment; System requirements; OPERATION CHECK WHEN THE LID IS OPEN
- Page 5 – Looking at controls; The recorder; The display window of the recorder
- Page 6 – This set can be disassembled in the order shown below.; SET; Note 1: The process described in can be performed in any order.; SECTION 3
- Page 7 – MAIN board
- Page 12 – OUTLINE; ENTERING THE TEST MODE; ”: Microcomputer version; RELEASING THE TEST MODE; All lit
- Page 13 – CONFIGURATION OF THE TEST MODE; M a n u a l
- Page 14 – Flow of overall adjustment mode:; M D 1 R u n; -2. Error Message in The Overall Adjustment Mode
- Page 16 – PRECAUTIONS FOR ADJUSTMENT; Therefore if it is used 400 times, exchange it for a new.; ADJUSTMENT SEQUENCE; Display; T e m p
- Page 18 – V B s A d j; When perform this check, don’t apply a voltage to battery terminals.; P O W E R
- Page 19 – Example of Calculation:; D i s c P r
- Page 21 – -1. BLOCK DIAGRAM – MD SERVO Section –; SIGNAL PATH
- Page 23 – -3. BLOCK DIAGRAM – POWER SUPPLY Section –
- Page 24 – Note For Printed Wiring Boards and Schematic Diagrams; Note on Schematic Diagram:; Total current is measured with MD installed.; Note on Printed Wiring Board:; surface; Waveforms; ra
- Page 25 – See page 36 for IC Block Diagram.
- Page 26 – See page 36 for IC Block Diagrams.
- Page 34 – MAIN BOARD
- Page 36 – IC Block Diagrams
- Page 40 – IC Pin Function Description
- Page 47 – Description
- Page 49 – CHASSIS SECTION
- Page 51 – MAIN
- Page 58 – or dotted line with
- Page 60 – REVISION HISTORY; Date; New
SERVICE MANUAL
MD recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
λ
= 790 nm
Emission duration: continuous
Laser output: less than 44.6
µ
W
(This output is the value measured at a distance of 200 mm from the
lens surface on the optical pick-up block with 7 mm aperture.)
Recording and playback time
When using HMD1G (1GB disc):
Maximum 34 hours in Hi-LP stereo
When using MDW-80 in Hi-MD mode:
Maximum 10 hours and 10 min. in Hi-LP stereo
When using MDW-80 in MD mode:
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
350 rpm to 3,000 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
ATRAC3plus (Adaptive TRansform Acoustic Coding 3 plus)
MD:
ATRAC
ATRAC3
−−
LP2/LP4
Modulation system
Hi-MD:
1-7RLL (Run Length Limited)/PRML
(Partial Response Maximum Likelihood)
MD:
EFM (Eight to Fourteen Modulation)
Frequency response
20 to 20,000 Hz
±
3 dB
Inputs
MIC: stereo mini-jack
(minimum input level 0.13 mV)
LINE IN (OPT)
1)
:
stereo mini-jack for analog input (minimum input level 49 mV)
optical (digital) mini-jack for optical (digital) input
Outputs
i
2)
: stereo mini-jack (dedicated remote control jack)
Maximum output (DC)
Headphones:
5 mW + 5 mW (24
Ω
) (USA model)
3 mW + 3 mW (16
Ω
) (European models)
5 mW + 5 mW (16
Ω
) (Other models)
Radio (MZ-NHF800)
Frequency range
USA model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
TV: 2 - 13 CH
WEATHER: 1 - 7 CH
Canadian model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
Models for Europe and China:
FM: 87.5 - 108.0 MHz
AM: 531 - 1,602 kHz
Other models:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz
Antenna
FM/TV/WEATHER:
Headphones/earphones cord antenna
AM:
Built-in ferrite bar antenna
General
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
120 V AC, 60 Hz (Models for USA, Canada, Mexico, and Taiwan)
230 V AC, 50/60 Hz (Models for continental Europe and Chile)
240 V AC, 50 Hz (Model for Australia)
230 V AC, 50 Hz (Models for U.K. and Hong Kong)
115 V/230 V AC, 50/60 Hz (Other models in MZ-NHF800)
100 - 240 V AC, 50/60 Hz (Other models in MZ-NH700)
The recorder:
Nickel metal hydride rechargeable battery
NH-7WMAA 1.2V 700 mAh (MIN) Ni-MH
LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5
°
C (+41
°
F) to +35
°
C (+95
°
F)
Dimensions
Approx. 81.0
×
29.2
×
78.9 mm (w/h/d)
(3
1
/
4
×
1
13
/
16
×
3
1
/
8
in.) (excluding projecting parts and controls)
Mass
Approx. 103 g (3.7 oz) (the recorder only)
Approx. 122 g (4.4 oz) (including the rechargeable battery)
1)
The LINE
2)
Measured in accordance with JEIAT.
IN (OPT) jack is used to connect either a digital
(optical) cable or a line (analog) cable.
PORTABLE MINIDISC RECEIVER
MZ-NH700/NHF800
SPECIFICATIONS
– Continued on next page –
9-879-056-02
2004I05-1
© 2004.09
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MT-MZNH900-181
Optical Pick-up Name
ABX-U
US Model
MZ-NHF800
Canadian Model
AEP Model
UK Model
E Model
Australian Model
MZ-NH700/NHF800
Chinese Model
Tourist Model
MZ-NH700
•
SonicStage and SonicStage logo are trademarks or registered trademarks of Sony Corporation.
•
MD Simple Burner, OpenMG,
“
Magic Gate
”
,
“
MagicGate Memory Stick
”
,
“
Memory Stick
”
,
Hi-MD, Net MD, ATRAC, ATRAC3, ATRAC3plus and their logos are trademarks of
Sony Corporation.
•
Microsoft, Windows, Windows NT and Windows Media are trademarks or registered
trademarks of Microsoft Corporation in the United States and /or other countries.
•
IBM and PC/AT are registered trademarks of International Business Machines Corporation.
•
Macintosh is a trademark of Apple Computer, Inc. in the United States and/or other countries.
•
MMX and Pentium are trademarks or registered trademarks of Intel Corporation.
•
All other trademarks and registered trademarks are trademarks or registered trademarks of their
respective holders.
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Summary
MZ-NH700/NHF800 2 Design and specifications are subject to change without notice. Supplied accessories AC power adaptor (1)Remote control (1)Headphones (for USA model) (1) Dedicated USB cable (1) Earphones (except USA model) (1) NH-7WMAA Nickel metal hydride rechargeable battery (1)CD-ROM (SonicStag...
4 MZ-NH700/NHF800 SECTION 1 SERVICING NOTES The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and...
5 MZ-NH700/NHF800 SECTION 2 GENERAL This section is extracted frominstruction manual. Looking at controls The recorder A Display window B T MARK/REC (+ N ) button C Jog dial D 5-way control key E DC IN 3V jack F X (pause) button G x (stop) • CANCEL/CHG button H OPEN switch I GROUP button J • NAVI/ M...
