Sony mz 2 p service manual

Page 1

MZ-ZP

SERVICE MANUAL

US Model
Canadian Model
AEP Model

UK Model

inf-mm

SPECIFICATIONS
System

Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAIAs
Wavelength: A = 780 nm
Emission duration: continuous
Laser output: less than 44.6 w
(This output is the value measured at
a distance of 200 mm Irorn the lens
surface on the optical pick-up block)
Revolutions 400 rpm to 900 rpm (CLV)
Error correction Advanced Cross Interleave Reed
. Solomon Code (ACIRC)
Sampling frequency
441 kHz
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
Frequency response
20 to 20,000 Hz 2 1 dB
Wow and Flutter
Below measurable limit

Model Name Using similar Mechanism NEW

Mechanism Type MT-MZZP-l 08

Optical Pickup Block Type KMS-l 30A

Outputs
Maximum
Rated Load
Jack Type Ou Output
tpu Level Impedance

Headphones Stereo - 5 mw 4 16 Q

mini-jack 5 mW
Line Out Stereo 245 mV - 10 m

mini»jack

General

Power requirements
. BP-MZ1 Rechargeable Battery
(supplied)
- Sony AC Power Adaptor (supplied)
connected at the DO IN 10.5 V
jack:
120 V AC, 60 Hz (US, Canadian model)
220-230 V AC. 50 Hz (AEP model)
100-240 V AC, 50/60 Hz (Other models)
240 V Ac, 50 Hz (UK model)
- DCC-E1105L Sony Car Battery
Cord (not supplied) connected at
the DC IN 10.5 V jack: 12 V car
battery
Battery operation tlme
75 minutes of consecutive play with
fully charged BP-MZt

Dimensions Approximately 1 14 x 42 x 139 mm
(w/h/d) (4V2 X 1/is x 5]: in)

Weight Approximately 680 g (1 lb 8 oz) incl.
rechargeable battery

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PDRTABLE MINIDISK PLAYER
SONE

Page 2

Accessories

Supplied

- AC-MZ1 AC Power Adaptor (1)

BP-MZl Rechargeable Battery (1)

Stereo Headphones (1)

Line Cable (stereo mini-plug-Z phono plugs) (1)
Carrying Case (1)

Design and specifications subject to change without
notice.

Note
This appliance conforms with EEC Directive 87/308/EEC
regarding interterence suppression.

This MiniDiso Player is
classified as a CLASS
1 LASER product.
The CLASS 1 LASER
PRODUCT label is
located on the bottom
exterior.

CLASS 1 LASER PRODUCT

LUOKAN I LASERLAITE
KLASS 1 LASERAPPMAT

SAFETV-R ELATED COMPONENT WARNING"

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A 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 PUB-
LISHED BY SONV.

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS mmnnés PAR UNE MARQUE A
sun LES DIAGRAMMES SCHEMATIOUES ET LA LISTE
DES PIECES sou'r can-muss POUR LA sécum-ré
DE FONCTIONNEMENT. NE REMPLACER ces COM-
POSANTS cue PAR DES nieces sonv DONT LES
NUMénos som- DONNES DANS c: MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR SONY.

Section

TABLE OF CONTENTS

Title Page

SECTION 1_ GENERAL .......................... ......... 3
SECTION 2. DISASSEMBLV

2-]. Upper Panel and Bottom Panel -

2»2r Control Board -' ------

2-3. Main Board "

2.4. Battery Case m... ........................ ................ ...... 15

2_5. Eject Shutter ............ .......................................... 16

2.6. Mechanical Deck ...uu--u-n................ 17

2,7. Optical Pickup Block . .................. ......r...r..........19

2-8. Holder Assy And Main Slider Assy

1' Removal ....................... .................. 20
2 Assembling .................. . ......................... 21

2.9. sled Mow; .............. . ..... um»... ......................... 22

2."). Loading M010: ................................ 22

2-11. Spindle Motor ...... ............. ............................ megs
SECTION 3. PIN FUNCTION - 4
SECTION 4_ TEST MODE .......................................... 23
SECTION 5. ELECTRICAL ADJUSTMENTS --------- 30
SECTION 6. DIAGRAMS

(54. Block Diagram ....................... ..................... 35

5.2. Circuit Boards Location ............................. . ....... 36

63. Printed Wiring Boards ~Control/Power Section- 37

6-4. Schematic Diagrams -Control/Power Section- ~~~41

6-5 Printed Wiring Boards -Main Section- ..............46

6-6. Schematic Diagrams -Main Section-l- --------------- 51

6-7. Schematic Diagrams -Main Section-2- -------- ""56

. IC Block Diagrams ................

SECTION 7. EXPLODED VIEWS

741. Upper Panel And Bottom Panel Section"

74, Chassis Section ...........................

7-3. Mechanism Section-1(MTvMZZP-106) ---------

7-4. Mechanism Section-2(MT-MZZP-106) ~~~~~~~~~~~~~~~~~~~ 65
SECTION B. ELECTRICAL PARTS LIST ~ ~~~~~~~~~~~~~~ 66