Sony MZ-R50 service manual Res,Chip, Except FR

Page 53

Ref. No.

Part No.

Description

Remark

Q810 8-729-905-35 TRANSISTOR 2SC4081-R

Q811 8-729-927-62 TRANSISTOR UMX1

Q901 8-729-042-81 TRANSISTOR FZT788BTC

Q902 8-729-026-53 TRANSISTOR 2SA1576A-T106-QR Q903 8-729-029-14 TRANSISTOR DTC144EUA-T106 Q904 8-729-042-81 TRANSISTOR FZT788BTC

Q910 8-729-905-35 TRANSISTOR 2SC4081-R

 

 

< RESISTOR >

 

 

 

R101

1-218-867-11 RES,CHIP

6.8K

0.50%

1/16W

R103

1-218-867-11 RES,CHIP

6.8K

0.50%

1/16W

R105

1-216-837-11

METAL CHIP

22K

5%

1/16W

R107

1-218-883-11 RES,CHIP

33K

0.50%

1/16W

R108

1-218-843-11 RES,CHIP

680

0.50%

1/16W

R111

1-218-891-11 RES,CHIP

68K

0.50%

1/16W

R112

1-218-887-11 RES,CHIP

47K

0.50%

1/16W

R119

1-216-789-11

METAL CHIP

2.2

5%

1/16W

R121

1-218-891-11 RES,CHIP

68K

0.50%

1/16W

R122

1-218-875-11 RES,CHIP

15K

0.50%

1/16W

R123

1-218-855-11 RES,CHIP

2.2K

0.50%

1/16W

R124

1-216-835-11

METAL CHIP

15K

5%

1/16W

R134

1-216-821-11

METAL CHIP

1K

5%

1/16W

R136

1-218-879-11

RES,CHIP

22K

0.50%

1/16W

 

 

 

 

 

(FR)

R136

1-218-871-11

RES,CHIP

10K

0.50%

1/16W

 

 

 

 

(EXCEPT FR)

R137

1-216-827-11

METAL CHIP

3.3K

5%

1/16W

R141

1-216-833-11

METAL CHIP

10K

5%

1/16W

R144

1-500-444-11 INDUCTOR

0uH

 

 

R159

1-500-444-11 INDUCTOR

0uH

 

 

R160

1-216-857-11

METAL CHIP

1M

5%

1/16W

R201

1-218-867-11 RES,CHIP

6.8K

0.50%

1/16W

R203

1-218-867-11 RES,CHIP

6.8K

0.50%

1/16W

R205

1-216-837-11

METAL CHIP

22K

5%

1/16W

R207

1-218-883-11 RES,CHIP

33K

0.50%

1/16W

R208

1-218-843-11 RES,CHIP

680

0.50%

1/16W

R211

1-218-891-11 RES,CHIP

68K

0.50%

1/16W

R212

1-218-887-11 RES,CHIP

47K

0.50%

1/16W

R219

1-216-789-11

METAL CHIP

2.2

5%

1/16W

R221

1-218-891-11 RES,CHIP

68K

0.50%

1/16W

R222

1-218-875-11 RES,CHIP

15K

0.50%

1/16W

R223

1-218-855-11 RES,CHIP

2.2K

0.50%

1/16W

R224

1-216-835-11

METAL CHIP

15K

5%

1/16W

R234

1-216-821-11

METAL CHIP

1K

5%

1/16W

R236

1-218-879-11

RES,CHIP

22K

0.50%

1/16W

 

 

 

 

 

(FR)

R236

1-218-871-11

RES,CHIP

10K

0.50%

1/16W

 

 

 

 

(EXCEPT FR)

R237

1-216-827-11

METAL CHIP

3.3K

5%

1/16W

R241

1-216-833-11

METAL CHIP

10K

5%

1/16W

R244

1-500-444-11 INDUCTOR

0uH

 

 

R259

1-500-444-11 INDUCTOR

0uH

 

 

R260

1-216-857-11

METAL CHIP

1M

5%

1/16W

R302

1-216-825-11

METAL CHIP

2.2K

5%

1/16W

R306

1-216-797-11

METAL CHIP

10

5%

1/16W

R307

1-216-825-11

METAL CHIP

2.2K

5%

1/16W

R308

1-216-825-11

METAL CHIP

2.2K

5%

1/16W

R309

1-216-809-11

METAL CHIP

100

5%

1/16W

 

 

 

 

 

MAIN

 

 

 

 

 

 

 

Ref. No.

Part No.

Description

 

 

 

Remark

R310

1-216-837-11

METAL CHIP

22K

5%

 

1/16W

R352

1-500-444-11 INDUCTOR

0uH

 

 

 

R355

1-216-847-11

METAL CHIP

150K

5%

 

1/16W

R359

1-500-444-11 INDUCTOR

0uH

 

 

 

R361

1-216-825-11

METAL CHIP

2.2K

5%

 

1/16W

R364

1-216-789-11

METAL CHIP

2.2

5%

 

1/16W

R365

1-216-809-11

METAL CHIP

100

5%

 

1/16W

R374

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R380

1-216-809-11

METAL CHIP

100

5%

 

1/16W

R381

1-216-809-11

METAL CHIP

100

5%

 

1/16W

R501

1-216-835-11

METAL CHIP

15K

5%

 

1/16W

R502

1-216-835-11

METAL CHIP

15K

5%

 

1/16W

R503

1-216-831-11

METAL CHIP

6.8K

5%

 

1/16W

R504

1-216-859-11 RES,CHIP

1.5M

5%

 

1/16W

R505

1-218-446-11

METAL CHIP

1

5%

 

1/16W

R506

1-216-811-11

METAL CHIP

150

5%

 

1/16W

R507

1-216-833-11

METAL CHIP

10K

5%

 

1/16W

R508

1-216-817-11

METAL CHIP

470

5%

 

1/16W

R509

1-216-853-11

METAL CHIP

470K

5%

 

1/16W

R510

1-216-825-11

METAL CHIP

2.2K

5%

 

1/16W

R511

1-216-825-11

METAL CHIP

2.2K

5%

 

1/16W

R512

1-216-825-11

METAL CHIP

2.2K

5%

 

1/16W

R513

1-216-843-11

METAL CHIP

68K

5%

 

1/16W

R514

1-216-864-11

METAL CHIP

0

5%

 

1/16W

R515

1-216-864-11

METAL CHIP

0

5%

 

1/16W

R516

1-216-821-11

METAL CHIP

1K

5%

 

1/16W

R517

1-216-803-11

METAL CHIP

33

5%

 

1/16W

R520

1-216-841-11

METAL CHIP

47K

5%

 

1/16W

R521

1-500-444-11 INDUCTOR

0uH

 

 

 

R525

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R526

1-216-853-11

METAL CHIP

470K

5%

 

1/16W

R527

1-216-833-11

METAL CHIP

10K

5%

 

1/16W

R528

1-216-821-11

METAL CHIP

1K

5%

 

1/16W

R529

1-216-821-11

METAL CHIP

1K

5%

 

1/16W

R530

1-216-827-11

METAL CHIP

3.3K

5%

 

1/16W

R531

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R536

1-218-891-11 RES,CHIP

68K

0.50%

1/16W

R537

1-218-899-11 RES,CHIP

150K

0.50%

1/16W

R538

1-218-895-11 RES,CHIP

100K

0.50%

1/16W

R539

1-216-833-11

METAL CHIP

10K

5%

 

1/16W

R540

1-216-857-11

METAL CHIP

1M

5%

 

1/16W

R541

1-216-843-11

METAL CHIP

68K

5%

 

1/16W

R542

1-218-903-11 RES,CHIP

220K

0.50%

1/16W

R543

1-218-887-11 RES,CHIP

47K

0.50%

1/16W

R545

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R546

1-216-841-11

METAL CHIP

47K

5%

 

1/16W

R549

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R554

1-216-821-11

METAL CHIP

1K

5%

 

1/16W

R555

1-216-817-11

METAL CHIP

470

5%

 

1/16W

R559

1-216-811-11

METAL CHIP

150

5%

 

1/16W

R562

1-218-887-11 RES,CHIP

47K

0.50%

1/16W

R563

1-216-833-11

METAL CHIP

10K

5%

 

1/16W

R564

1-216-843-11

METAL CHIP

68K

5%

 

1/16W

R565

1-216-845-11

METAL CHIP

100K

5%

 

1/16W

R566

1-216-841-11

METAL CHIP

47K

5%

 

1/16W

R576

1-216-813-11

METAL CHIP

220

5%

 

1/16W

R710

1-216-819-11

METAL CHIP

680

5%

 

1/16W

– 71 –

Image 53
Contents NEW SpecificationsDisassembly Table of ContentsDiagrams GeneralSection 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 Volume Servo ModeStructure of Servo Mode Cluster Display Adjusting MethodStructuer of Audio Mode Audio ModeStructure of Mecha Mode Mecha ModePower supply Mode Structure of Power Supply ModeStructure of General Adjustment Mode General Adjustment ModeSide B Section AdjustmentsSide a Laser Power Check Low Reflection CD Traverse Adjustment Adjustment Location Pin No Pin name Description Section DiagramsAvss IC801 System Control CXP81960M-652R KEY3 MIC Block DiagramCircuit Boards Location Waveforms Schematic Diagram Main 1/3 SectionRefer to page 61 for IC Block Diagram 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 IC806 MB3800PNF IC Block Diagrams Main 2/3 Section IC804 DS1302ZIC506 MPC18A20VM IC807 AK93C45AV-L IC802 RS5RJ29261IC Block Diagram Main 3/3 Section IC303 AK4515-VQ Upper PANEL, Bottom Panel Section Section Exploded Views55 A-3293-758-A Power BOARD, Complete 53 A-3293-759-A Switch BOARD, CompleteChassis Section 75 4-997-493-01 Spring LOCK,COMPRESSIONMotor Spindle Mechanism Deck Section124 4-972-546-01 Spring Worm GEAR,COMPRESSION CLV Main Section Electrical Parts ListTantalum MainDiode ELEMENT, StorageFerrite Bead Inductor 0UHExcept 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.