Table of Contents
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SERVICE MANUAL
Ver 1.0 2003.01
TE
L 13942296513
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW (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.)
Power requirements
For the area code of the model you purchased, check the upper left side of the
bar code on the package.
• Two LR6 (size AA) batteries : 1.5 V x 2 DC
• AC power adaptor (DC IN 4.5 V jack)
Dimensions (w/h/d) (without projecting parts and controls)
Approx. 130.6 x 26.3 x 150.5 mm (5
Mass (excluding accessories)
Approx. 190 g (6.8 oz)
Operating temperature
5°C - 35°C (41°F - 95°F)
Design and specifications are subject to change without notice.
www
.
Sony Corporation
9-877-037-01
2003A0200-1
Personal Audio Company
© 2003.01
Pubulished by Sony Engineering Corporation
http://www.xiaoyu163.com
Photo : D-E340
SPECIFICATIONS
: D-E341: 220 - 230 V, 50/60 Hz
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Model Name Using Similar Mechanism D-E350
CD Mechanism Type
Optical Pick-up Type
Q Q
3
6 7
1 3
D-E340: Headphones/earphones (1)
D-E341: AC power adaptor (1)
Headphones/earphones (1)
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D-E340/E341
2 9
9 4
2 8
AEP Model
1 5
0 5
8
2 9
9 4
SUPPLIED ACCESSORIES
m
PORTABLE CD PLAYER
co
9 9
D-E340/E341
E Model
D-E340
CDM-3125ER
DAX-25E
2 8
9 9
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Table of Contents
Related Manuals for Sony Walkman D-E341
Summarization of Contents
SECTION 1 SERVICING NOTES
Handling Optical Pick-up Block
Precautions for handling the optical pick-up block and flexible board.
Laser Diode Emission Check
Procedures for checking laser diode emission safely and accurately.
Optical Pick-up Replacement
Steps and notes for replacing the optical pick-up block.
Laser Diode Checking Methods
Methods for visually checking laser diode emission and troubleshooting.
SECTION 2 GENERAL
Locating the Controls
Identifies the location of various controls on the device.
SECTION 3 DISASSEMBLY
3-1. CABINET (LOWER), MD ASSY
Procedure for disassembling the lower cabinet and MD ASSY.
3-2. MAIN BOARD
Procedure for removing the main board.
3-3. MOTOR ASSY, TURN TABLE
Procedure for removing the spindle motor assembly.
3-4. MOTOR ASSY (SLED) & OPTICAL PICK-UP
Procedure for removing the sled motor and optical pick-up.
SECTION 4 ELECTRICAL ADJUSTMENTS
Pre-Adjustment Precautions
Important precautions before performing electrical checks and adjustments.
Focus Bias Check Procedure
Details on performing the focus bias check, including conditions and connections.
SECTION 5 DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
Explanation of IC terminals for the system control IC.
5-2. BLOCK DIAGRAMS
Block diagram illustrating the overall system architecture and signal flow.
5-3. PRINTED WIRING BOARDS
Printed wiring board layouts for the main board.
5-4. SCHEMATIC DIAGRAM - MAIN SECTION (1/3)
First part of the main section schematic diagram.
5-5. SCHEMATIC DIAGRAM - MAIN SECTION (2/3)
Second part of the main section schematic diagram.
5-6. SCHEMATIC DIAGRAM - MAIN SECTION (3/3)
Third part of the main section schematic diagram.
Waveforms and IC Block Diagrams
Key waveforms and IC block diagrams for troubleshooting.
SECTION 6 EXPLODED VIEWS
6-1. CABINET SECTION
Exploded view of the cabinet section, showing parts.
6-2. OPTICAL PICK-UP SECTION (CDM-3125ER)
Exploded view of the optical pick-up section, detailing components.
SECTION 7 ELECTRICAL PARTS LIST
Capacitors and Resistors
Lists of capacitors and resistors with part numbers and specifications.
Coils, Diodes, and Ferrite Beads
Lists of coils, diodes, and ferrite beads with part numbers and specifications.
Transistors and Switches
Lists of transistors and switches with part numbers and specifications.
Varistors, Vibrator, Miscellaneous, and Accessories
Lists varistors, vibrator, misc. parts, and accessories.
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