Sony MZ-R50 service manual Power REC Switch

Page 55

POWER

REC SWITCH

Ref. No.

Part No.

Description

 

 

Remark

Ref. No.

Part No.

Description

Remark

L804

1-414-410-21

INDUCTOR

10uH

 

 

 

 

 

< SWITCH >

L805

1-414-410-21

INDUCTOR

10uH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S801

1-572-921-11

SWITCH, KEY BOARD (ERASE)

 

 

< TRANSISTOR >

 

 

S802

1-572-921-11

SWITCH, KEY BOARD (END SERCH)

 

 

 

 

 

 

 

S803

1-572-921-11

SWITCH, KEY BOARD (T MARK)

Q803

8-729-807-52

TRANSISTOR

2SD1623-T

 

 

S805

1-762-078-11

SWITCH, SLIDE (HOLD c)

Q804

8-729-822-62

TRANSISTOR

2SB1302-T

 

 

************************************************************

Q805

8-729-905-35

TRANSISTOR

2SC4081-R

 

 

 

 

 

 

 

 

Q888

8-729-029-14

TRANSISTOR

DTC144EUA-T106

 

 

 

 

MISCELLANEOUS

 

 

 

 

 

 

 

 

 

 

**************

 

 

< RESISTOR >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

1-801-522-21

LCD MODULE

R801

1-216-789-11

METAL CHIP

2.2

5%

1/16W

52

 

1-782-709-11

WIRE (FLAT TYPE) (22 CORE)

R808

1-216-817-11

METAL CHIP

470

5%

1/16W

65

 

1-475-378-11

SWITCH UNIT (WITH JOG DIAL)

R809

1-216-827-11

METAL CHIP

3.3K

5%

1/16W

101

1-667-210-11

MD FLEXIBLE BOARD

R810

1-216-827-11

METAL CHIP

3.3K

5%

1/16W

104

1-667-690-11

CLV FLEXIBLE BOARD

R811

1-216-821-11

METAL CHIP

1K

5%

1/16W

 

 

 

 

 

 

 

 

 

 

 

 

 

136

1-667-211-11

MOTOR FLEXIBLE BOARD

R812

1-216-825-11

METAL CHIP

2.2K

5%

1/16W

M901

1-763-011-11

MOTOR (SPINDLE)

R814

1-218-883-11

RES,CHIP

33K

0.50%

1/16W

M902

A-3311-972-A

MOTOR BLOCK ASSY, SLED (SLED)

R815

1-218-863-11

RES,CHIP

4.7K

0.50%

1/16W

M903

A-3320-037-A

STEPPER BLOCK ASSY (STTEPPING)

R867

1-216-829-11

METAL CHIP

4.7K

5%

1/16W

 

 

 

 

 

 

R875

1-216-801-11

METAL CHIP

22

5%

1/16W

************************************************************

R879

1-216-809-11

METAL CHIP

100

5%

1/16W

 

 

 

ACCESSORIES & PACKING MATERIALS

R880

1-216-837-11

METAL CHIP

22K

5%

1/16W

 

 

 

********************************

R888

1-216-823-11

METAL CHIP

1.5K

5%

1/16W

!

 

 

 

 

 

 

 

 

 

 

 

 

 

1-467-510-31

ADAPTOR, AC (AC-MZ60A) (US,Canadian)

 

 

< VARIABLE RESISTOR >

 

 

!

 

1-467-511-51

ADAPTOR, AC (AC-MZ60A) (AEP,FR)

 

 

 

 

 

 

 

!

 

1-467-512-31

ADAPTOR, AC (AC-MZ60A) (UK,HK)

RV801

1-223-994-21

RES, CARBON ADJ VAR 4.7K (DD 2.8V)

!

 

1-467-513-21

ADAPTOR, AC (AC-MZ60) (AUS)

 

 

 

 

 

 

 

!

 

1-467-514-11

ADAPTOR, AC (AC-MZ60) (E,JEW)

 

 

< SWITCH >

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-475-375-21

REMOTE CONTROL UNIT (RM-MZR50)

S818

1-762-621-21

SWITCH, PUSH (1 KEY) (BATTERY DET)

!

 

1-569-007-11

ADAPTOR, CONVERSION 2P (E,JEW)

************************************************************

 

 

1-759-277-21

CASE, BATTERY (EBP-MZR4)

 

 

 

 

 

 

 

 

 

1-779-504-11

CONNECTOR, OPTICAL

 

A-3293-755-A

REC BOARD, COMPLETE

 

 

 

 

 

 

 

(AEP,FR,UK,Canadian,HK)

 

 

********************

 

 

 

 

3-861-298-11

MANUAL, INSTRUCTION (ENGLISH,SPANISH,

 

 

 

 

 

 

 

 

 

 

 

 

PORTUGUESE,SWEDISH,FINNISH)

 

 

< CAPACITOR >

 

 

 

 

 

 

 

(AEP,E,JEW)

C401

1-107-826-11

CERAMIC CHIP

0.1uF

10%

16V

 

 

3-861-298-21

MANUAL, INSTRUCTION (ENGLISH)

C402

1-107-810-11

TANTAL. CHIP

33uF

20%

4V

 

 

 

 

 

(US,UK,HK,AUS)

C403

1-109-814-11

CAP. CHIP

220PF

5%

100V

 

 

3-861-298-31

MANUAL, INSTRUCTION (ENGLISH,FRENCH,

 

 

 

 

 

 

 

 

 

 

GERMAN,DUTCH,ITALIAN) (Canadian,AEP,FR)

 

 

< DIODE >

 

 

 

 

 

3-861-298-41

MANUAL, INSTRUCTION

 

 

 

 

 

 

 

 

 

 

(JAPANESE,CHINESE,KOREAN) (E,HK,JEW)

D401

8-719-046-86

DIODE

F1J6TP

 

 

 

 

4-972-888-01

CASE, CARRYING

D402

8-719-046-86

DIODE

F1J6TP

 

 

 

 

4-988-159-01

CASE, ACCESSORY (JEW)

 

 

< TRANSISTOR >

 

 

 

 

8-953-218-90

HEADPHONE MDR-E838SP//K SET

 

 

 

 

 

 

 

 

 

 

 

 

(EXCEPT US)

Q401

8-729-024-44

TRANSISTOR

2SK2315TYTR

 

 

 

8-953-278-90

HEADPHONE MDR-A34SP SET (US)

Q402

8-729-024-44

TRANSISTOR

2SK2315TYTR

 

 

 

X-3329-657-1

ATTACHMENT ASSY

Q403

8-729-024-44

TRANSISTOR

2SK2315TYTR

 

 

 

 

 

 

 

Q404

8-729-024-44

TRANSISTOR

2SK2315TYTR

 

 

 

 

 

 

 

************************************************************

 

 

 

 

 

 

 

A-3293-759-A

SWITCH BOARD, COMPLETE

 

 

 

 

 

 

 

 

 

 

***********************

 

 

 

 

 

 

 

 

 

 

< RESISTOR >

 

 

 

 

 

 

 

 

 

R844

1-218-867-11

RES,CHIP

6.8K

0.50%

1/16W

 

 

 

 

 

 

R845

1-218-871-11

RES,CHIP

10K

0.50%

1/16W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The components identified by

 

Les composants identifiés par une

 

 

 

 

 

 

 

 

mark !or dotted line with mark

 

marque !sont critiques pour

 

 

 

 

 

 

 

 

!are critical for safety.

 

la sécurité.

 

 

 

 

 

 

 

 

Replace only with part number

 

Ne les remplacer que par une pièce

 

 

 

 

 

 

– 73 –

specified.

 

 

portant le numéro spécifié.

Image 55
Contents NEW SpecificationsGeneral Table of ContentsDisassembly DiagramsSection Servicing Note General Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Upper Panel ASSY, Bottom Panel Assy Removal Section DisassemblyMechanism Deck MT-MZR50-143 Removal Main Board RemovalCLV Board Removal Optical PICK-UP ASSY, REC Board RemovalPower BOARD, Switch Board Removal Battery Case Assy RemovalSwitch Unit with JOG Dial Removal Test Mode Structure of Servo Mode Servo ModeVolume Cluster Display Adjusting MethodStructuer of Audio Mode Audio ModeStructure of Power Supply Mode Mecha ModeStructure of Mecha Mode Power supply ModeStructure of General Adjustment Mode General Adjustment ModeSide a Section AdjustmentsSide B Laser Power Check Low Reflection CD Traverse Adjustment Adjustment Location Pin No Pin name Description Section DiagramsAvss IC801 System Control CXP81960M-652R KEY3 Circuit Boards Location Block DiagramMIC Refer to page 61 for IC Block Diagram Schematic Diagram Main 1/3 SectionWaveforms Refer to page 62 for IC Block Diagrams Schematic Diagram Main 2/3 SectionRefer to page 64 for IC Block Diagrams Schematic Diagram Main 3/3 SectionIC Block Diagrams Main 1/3 Section IC501 CXA2523AR-T4 IC506 MPC18A20VM IC Block Diagrams Main 2/3 Section IC804 DS1302ZIC806 MB3800PNF IC807 AK93C45AV-L IC802 RS5RJ29261IC Block Diagram Main 3/3 Section IC303 AK4515-VQ Upper PANEL, Bottom Panel Section Section Exploded Views75 4-997-493-01 Spring LOCK,COMPRESSION 53 A-3293-759-A Switch BOARD, Complete55 A-3293-758-A Power BOARD, Complete Chassis Section124 4-972-546-01 Spring Worm GEAR,COMPRESSION Mechanism Deck SectionMotor Spindle CLV Main Section Electrical Parts ListTantalum MainInductor 0UH ELEMENT, StorageDiode Ferrite BeadExcept FR RES,CHIPMain Power Power REC Switch Sony Corporation
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Manual 20 pages 62.3 Kb

MZ-R50 specifications

The Sony MZ-R50, launched in the late 1990s, is a notable model in the MiniDisc player genre, which revolutionized how consumers listened to music. Part of Sony's first generation of MiniDisc recorders, the MZ-R50 quickly gained popularity for its sleek design and innovative features.

One of the standout features of the MZ-R50 is its compact size and lightweight construction. It weighs just 160 grams, making it one of the most portable audio devices of its time. This portability paired with a stylish aesthetic allowed users to carry their music with ease, appealing to young, active lifestyles.

The MZ-R50 utilizes MiniDisc technology, which employs a small, flat disc encased in a protective shell. This format offers superior sound quality compared to cassette tapes, allowing for digital recording and playback. Users can record audio directly onto the disc in real-time or transfer music from CDs with ease. The player supports several recording modes, including LP2 and LP4, which allow users to maximize recording time without sacrificing quality.

Another significant feature of the MZ-R50 is its impressive battery life. It can run for up to 10 hours on a single charge, enabling long listening sessions without frequent recharging. The device also includes a digital pitch control, allowing users to change the tempo of tracks without affecting the pitch, which is especially useful for musicians and DJs.

Moreover, the MZ-R50 incorporates Sony's ATRAC (Adaptive Transform Acoustic Coding) compression technology. This advanced algorithm was designed to reduce the file size of audio while maintaining high sound fidelity, ensuring that music stored on MiniDiscs sounded close to the original recording. The player is compatible with both standard and long-play MiniDiscs, providing flexibility for users who want to store more music on a single disc.

In terms of connectivity, the MZ-R50 features an optical input for high-quality digital recording from other devices, along with a headphone output and a line out option for connecting to external speakers or audio systems. Its user-friendly interface allows for easy navigation through tracks and playlists, making it accessible for users of all ages.

Overall, the Sony MZ-R50 remains a beloved piece of audio technology, reflecting a unique combination of portability, sound quality, and user-friendly features, establishing its place in the history of personal music players. Its legacy continues to inspire later generations of audio enthusiasts.