MZ-R5ST
Tourist Model
SERVICE MANUAL
PORTABLE MINI DISC RECORDER
MICROFILM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol
aare trademarks
of Dolby Laboratories Licensing Corporation.
Model Name Using Similar Mechanism
MZ-R50
Mini Disc Mechanism Type
MT-MZR50-143
Optical Pick-up Type
KMS-280A/J2N
U.S and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
-- Continued on next page --
SPECIFICATIONS
System
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
= 780 nm
Emission duration : continuous
Laser output : less than 44.6 mW
This output is the value measured at a distance of
200 mm from the objective lens surface on the
optical pick-up block with 7 mm aperture.
Recording and playback time
Maximum 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
Revolutions
400 rpm to 900 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon Code
(ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive TRansform Acoustic Coding
(ATRAC)
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Wow and Flutter
Below measurable limit
Recorder
Frequency response
20 to 20,000 Hz ± 3 dB
Input
MIC (PLUG IN POWER): stereo mini-
jack, 0.22 to 0.78 mV
Output
2 /REMOTE: stereo mini-jack, maximum
output level 5 mW + 5 mW, load
impedance 16
Station
Frequency response
5 to 20,000 Hz ± 0.5 dB
Input
LINE (ANALOG) IN: phono jack, rated
input level 500 mV
DIGITAL IN OPT1, OPT2: rectangular-
shaped optical plug, wavelength 660 nm
Output
LINE (ANALOG) IN: phono jack, rated
output level 500 mV, load impedance 10
kilohms or greater
ACTIVE SP OUT: stereo minijack, rated
output level 500 mV, load impedance 4.7
kilohms or greater
DIGITAL OUT: rectangular-shaped
optical plug, output level -17 dBm,
wavelength 660 nm
-- 2 --
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
! OR DOTTED LINE WITH
MARK
! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE
! SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
2 HEADPHONES: stereo phone jack, peak
output level 5 mW + 5 mW, load impedance
16
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Output: 44.1 kHz
General
Power requirements
Recorder:
Lithium ion rechargeable battery LIP-8
(supplied)
Two LR6 (size AA) alkaline dry batteries (not
supplied)
Station:
Sony AC power adaptor (supplied) connected
to the DC IN 9V jack:
220 to 230 V AC, 50/60 Hz (European
model)
100 to 240 V AC, 50/60 Hz (Other models)
Battery life
Dimensions
Recorder: Approx. 104.5
× 20.1 × 77 mm
(4 1/8
× 13/16 x 3 1/8 in.)
Station: Approx. 232
× 61 × 154 mm
(9 1/4
× 2 1/2 × 6 1/8 in.) (w/h/d) not incl.
projecting parts and controls
Mass
Recorder: Approx. 185 g (6.6 oz)
Approx. 235 g (8.3 oz.) incl. a recordable
MD, headphones with remote control, and
LIP-8 lithium ion rechargeable battery
Station: Approx. 970 g (34.2 oz.)
Supplied accessories
AC power adaptor(1)
Card remote commander (1)
Headphones with remote control (1)
Lithium ion rechargeable battery LIP-8 (1)
Battery case (1)
Optical cable (1) (European model only)
Ear attachment (1)
Carrying pouch (1)
Optional accessories
Battery charger (for LIP-8) BC-LIP8
Lithium ion rechargeable battery LIP-8
Optical Cable
POC-151HG, POC-152HG, POC-MZ1,
POC-MZ2, POC-15B, POC-15AB, POC-
DA12SP
Line Cable RK-G136
Stereo Microphones ECM-717, ECM-
MS907, ECM-MS957
Stereo Headphones MDR-D77, MDR-D55,
MDR-CD470, MDR-E888SP
Active Speakers SRS-Z1000
Recordable MDs MDW-series
MiniDisc Carrying Case CK-MD4
MiniDisc Filing Box CK-MD10
US and foreign patents licensed from Dolby Laboratories Licensing
Corporation.
Design and specifications are subject to change without notice.
For longer recordings, we recommend using
the recorder attached to the station.
Batteries
Recording2)
Playback
LIP-8 lithium ion
Approx.
Approx.
rechargeable
3.5 hours
5.5 hours
battery
Two LR6 (size
----- 3)
Approx.
AA) Sony
9 hours
alkaline dry
batteries
LIP 8 + two LR6
----- 3)
Approx.
(size AA)
16 hours
1)
The battery life may be shorter due to
operating conditions and the temperature
of the location.
2)
When you record, use a fully charged
rechageable battery.
3)
Recording time may differ according to
the alkaline batteries.
When to replace the batteries
When the dry batteries or rechargeable
battery are weak,
or "LoBATT"
flashes in the display of the recorder or the
remote control. Replace the dry batteries or
charge the rechargeable battery.
-- 3 --
TABLE OF CONTENTS
1. SERVICE NOTES ···························································· 4
2. GENERAL ·········································································· 5
3. DISASSEMBLY ······················································· 12
4. TEST MODE ···························································· 19
5. ELECTRICAL ADJUSTMENTS ··························· 30
6. DIAGRAMS
6-1.
Circuit Boards Location ··················································· 34
6-2.
Block Diagram MZ-R5ST ·········································· 35
6-3.
Block Diagram MZS-R5ST ········································ 38
6-4.
Printed Wiring Board MD Mechanism Section ········· 41
6-5.
Schematic Diagram MD Mechanism Section ············ 43
6-6.
Printed Wiring Board MD Main Section ···················· 45
6-7.
Schematic Diagram MD Main Section (1/3) ·············· 49
6-8.
Schematic Diagram MD Main Section (2/3) ·············· 52
6-9.
Schematic Diagram MD Main Section (3/3) ·············· 55
6-10. Printed Wiring Board Station Main Section ··············· 59
6-11. Schematic Diagram Station Main Section ·················· 63
6-12. Schematic Diagram Station Control Section ·············· 66
6-13. Printed Wiring Board Station Control Section ··········· 69
6-14. Printed Wiring Board
MD Power Supply, Switch Section ···························· 71
6-15. Schematic Diagram
MD Power Supply, Switch Section ···························· 73
6-16. IC Block DIiagrams ·························································· 75
6-17. IC Pin Function ································································ 79
7. EXPLODED VIEWS
7-1.
Panel Section ···································································· 85
7-2.
Main Board Section ·························································· 86
7-3.
MD Mechanism Section (MT-MZR50-143) ···················· 87
7-4.
Cabinet Section ································································· 88
7-5.
Shassis Section (MZS-R5ST) ··········································· 89
8. ELECTRICAL PARTS LIST ······································· 90
MZ-R5ST is the new Sony portable MiniDisc Recorder using the
MiniDisc format.
·
The MiniDisc station system Use the recorder either by itself
or attached to the station dock. Use the recorder attached to the
station to enjoy full features and connectivity. Use the recorder
detached from the station for portability.
·
High-fidelity recording Low-noise, how-distortion, high
fidelity recording through the optical digital input jack.
·
Sampling rate converter This unit enables you to record
programs form digital equipment using other sampling rates,
such as a BS tuner or DAT deck.
·
Variety of recording options
Long recording with monaural recording (up to 148 minutes).
Time Machine recording enables you to record from the top
of a song even if you pressed the button after you heard the
beginning of the song.
Connect to an audio-timer to record when you are not home.
·
Easy editing with the large LCD panel and the editing buttons
Title samples (21 words and phrases).
UNDO function lets you undo an editing operation.
·
Programmed playback Play any set of tracks in the order of
your choice.
·
Card remote commander Operate the station from a distance.
Direct Selection available.
·
Output jack for active speakers Connect to the active speakers
SRS-Z1000 (not supplied), etc., to enjoy powerful MD playback
at your desktop.
MAIN FEATURES
-- 4 --
When MZ-R5ST cannot be removed from MZS-R5ST, remove it as follows:
1 Remove the CABINET (LOWER) ASSY and the RADIAL board of MZS-R5ST. (Refer to section 3. DISASSEMBLY on page 16.)
2 Move the LOCK SLIDER in the direction (A) as shown by the arrow. (Refer to the illustration shown below.)
Note : When the above described procedure is performed, MZ-R5ST is removed all of a sudden. Be careful not to drop MZ-R5ST.
SECTION 1
SERVICE NOTES
MZS-R5ST (station)
MZ-R5ST (recorder)
LOCK SLIDER
A
-- 5 --
SECTION 2
GENERAL
This section is extracted
from instruction manual.
The recorder
1 MIC SENS (Mic sensitivity)
2 DIGITAL MEGA BASS switch
3 AVLS (Automatic Volume Limiter System) switch
4 MIC (PLUG IN POWER) jack
5 VOL (volume) /+ buttons
6 MODE button
7 DISPLAY button
8 p (stop) button
9 = (rewind / AMS) button
!º ( (play) button
!¡ + (fast forward / AMS) button
!TM HOLD switch
!£ Display window
!¢ CLOCK SET button (at the bottom)
! Battery compartment
!§ END SEARCH button
!¶ T MARK button
!· P (pause) button
!ª REC switch
@º OPEN switch
@¡ 2 / REMOTE (headphones / remote) jack