7-3. MECHANISM DECK SECTION

107

(MT-MZR50-143)

 

 

108

 

106

 

109

 

131

 

 

 

110

111

 

 

129

 

105

 

 

112

 

 

 

 

 

104

 

 

 

 

 

M901

 

130

 

 

 

 

 

 

 

 

 

 

 

 

 

M903

 

 

 

113

128

136

 

132

 

102

M902

 

 

 

 

105

127

 

 

 

118

 

 

 

 

 

126

125124

133

 

 

 

 

 

 

102

 

 

 

103

 

 

123

 

 

 

 

 

 

 

 

 

101

 

 

 

122

 

 

102

 

 

 

 

 

 

102

115

134

114

116

117

135

119

120

121

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

specified.

portant le numéro spécifié.

 

 

Ref. No.

Part No.

Description

Remark

1011-667-210-11 MD FLEXIBLE BOARD

1024-963-883-01 SCREW (M1.4), PRECISION PAN

103A-3293-756-A CLV BOARD, COMPLETE

1041-667-690-11 CLV FLEXIBLE BOARD

1053-338-645-31 WASHER (0.8-2.5)

106X-4949-129-1 HOLDER ASSY

1073-349-825-41 SCREW

108A-3293-755-A REC BOARD, COMPLETE

1094-995-575-01 SHEET, INSULATING

1104-995-573-01 SPRING, TENSION

1113-704-246-13 SCREW (P1.4X2.0)

*112 4-995-568-01 GUIDE, HOLDER

1134-995-572-01 SHEET, BLIND

1144-955-841-01 SCREW

1154-995-570-01 SPRING, RACK

1164-995-567-01 SHAFT, MAIN

!117 X-4949-256-1 OPTICAL PICK-UP ASSY (KMS-280A)

118 4-995-578-01 GEAR (SC)

119 X-4949-131-2 BRACKET (S) ASSY

120 4-995-571-01 SPRING, THRUST

Ref. No.

Part No.

Description

Remark

1214-963-883-41 SCREW (M1.4), PRECISION PAN

1224-995-580-01 SCREW, LEAD

1234-995-586-01 GEAR (SD)

1244-972-546-01 SPRING (WORM GEAR),COMPRESSION

1254-963-901-01 GEAR, WORM

1263-315-384-11 WASHER, STOPPER

1274-964-564-01 SCREW (M1.2X1.6)

128X-4949-127-1 CHASSIS ASSY, GEAR

129X-4949-126-1 CHASSIS ASSY

1304-995-585-01 SPRING (LIMITTER), TORSION

1314-963-898-11 GEAR (WORM WHEEL)

1323-704-197-31 SCREW (M1.4X3.0), LOCKING

1333-015-033-01 SCREW (DIA. 1.4X4), PRECISION

1344-997-228-11 SPACER (RACK SPRING)

1354-997-172-01 SCREW (M1.4X3)

1361-667-211-11 MOTOR FLEXIBLE BOARD

M901

1-763-011-11

MOTOR (SPINDLE)

M902

A-3311-972-A

MOTOR BLOCK ASSY, SLED (SLED)

M903

A-3320-037-A

STEPPER BLOCK ASSY (STTEPPING)

– 67 –

Page 49
Image 49
Sony MZ-R50 service manual Mechanism Deck Section, 124 4-972-546-01 Spring Worm GEAR,COMPRESSION, Motor Spindle

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.