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Sony WALKMAN WMD-DT1 User Manual

Sony WALKMAN WMD-DT1
42 pages
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SERVICE
MANUAL
Tape
Sampling
frequency
Quantization
Frequency
response
Wow
and
flutter
Output
Power
output
|
Power
requirements
Battery
life
SPECIFICATIONS
Digital
audio
tape
Dimensions
48
kHz,
44.1
kHz,
32
kHz
Standard:
16-bit linear
Mass
Long-play
mode:
12-bit
Non
linear
Standard:
Fs
48
kHz
20
22,000
Hz
(+1.0
dB/-1.5
dB)
Fs
44.1
kHz
20
20,000
Hz
(+1.0
dB/-1.5
dB)
Fs
32
kHz
20
14,500
Hz
(+1.0
dB/-1.5
dB)
Long-play
mode:
Fs
32
kHz
20
-
14,500
Hz
(+
1.0
dB/-
1.5
dB)
Below
measurable
limit
(less
than
+
0.001%
W.PEAK)
REMOTE/PHONES:
nine
pole jack
PHONES:
stereo
minijack
load
impedance
8
300
Q
5
mW
+5
mW
16Q
3
VDC
Two
LR6
(size
AA)
batteries
Two
rechargeable
batteries
(not
supplied)
DC
IN
3V
jack
accepts:
«
Sony
AC-E3OL
AC
power
adaptor
(not
supplied)
for
use
on:
U.S.A.
and
Canada
_|
120
V
AC,
60
Hz
UK.
|
240
V
AC,
50
Hz
European
countries
220
~
230.V
AC,
50
Hz
Other
countries
120
V
AC,
50
Hz
or
220
V
AC,
60
Hz
*
Sony
DCC-E130L
car
battery
cord
(not
supplied)
for
use
on
12
V
car
battery
Battery
Playback
Sony
alkaline
AM3
(N)
Approx.
4
hours
Sony
rechargeable
NC-AA-2
|
Approx.
1.5
hours
Do
not
use
the
manganese
batteries
with
this
unit.
WMD-DT1
8%
US
Model
Canadian
Model
AEP
Model!
Tape
Kman
MT-WMDDT1-108
Approx.
116.3
x
28.5
x
69.5
mm
(45/g
x
11/g
x
25/4
in.)
(w/h/d)
Approx.
250
g
(8.9
02.)
incl.
batteries,
not
incl.
other
accessories
Design
and
specifications
subject
to
change
without
notice.
Optional
Accessories
AC
power
adaptor
AC-E30L
Battery
charger
kit
BPK-800
Rechargeable
battery
NC-AA-2
Car
connecting
pack
CPA-3
Car
battery
cord
DCC-E130L
Stereo
active
speaker
system
SRS-88
Earphones
(headphones)
with
micro
plugs
MDR-D55,
MDR-D77
DAT
cleaning
cassette
DT-10CL.
DIGITAL
AUDIO
TAPE
PLAYER
SONTY.
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Sony WALKMAN WMD-DT1 Specifications

General IconGeneral
BrandSony
ModelWALKMAN WMD-DT1
CategoryCassette Player
LanguageEnglish

Summary

Product Specifications

Tape and Frequency Specifications

Details tape format, sampling frequencies, and audio frequency response for standard and long-play modes.

Output and Power Characteristics

Describes audio output power, impedance, and power requirements for the unit.

Battery Life and Power Input

Information on battery type, expected playback duration, and external power input options.

Physical Dimensions and Mass

Specifications for the unit's size and weight, including battery.

Optional Accessories List

Lists available accessories for purchase to enhance unit functionality.

Safety Information

Safety-Related Component Warning

Critical warning about replacing safety-related components with specified Sony parts only.

General Unit Overview

Parts Identification and Layout

Visual identification of main unit and remote controller components with reference numbers.

Unit and Controller Diagrams

Diagrams illustrating the main unit, remote controller, and its display window components.

Disassembly Procedures

Cassette Lid and Case Assembly Removal

Step-by-step guide for disassembling the outer casing and cassette lid.

Main Board and Motor Removal

Procedures for removing the main circuit board and reel motor.

Drum Assembly Removal

Instructions for safely removing the drum assembly from the mechanism.

Test Mode Operations

Test Mode Overview and Types

Introduces the unit's test modes and lists available test types with their numbers.

Setting Up Test Modes

Step-by-step instructions on how to select and activate specific test modes using the remote.

Test Mode Displays and Error Codes

Details on CAUTION displays, normal test mode, and common error codes encountered.

Specific Test Mode Procedures

Explains Error Rate Measurement and Mechanism Individual Operation modes for diagnostics.

End Sensor Check Mode

Procedure for verifying the end sensor function using a blank tape.

Mechanical Adjustments

Adjustment Precautions and Torque Check

Important notes before adjustment and procedure for checking tape torque.

Tape Path Adjustment Procedure

Detailed steps for adjusting the tape path, including waveform checks.

Integrated Circuit (IC) Pin Functions

IC401 Playback Equalizer Amplifier Pinout

Pin configuration and function description for the CXA1354Q IC.

IC501 DAT Signal Processing Pinout

Pin configuration and function description for the CXD2606R IC.

IC503 System Control Pinout

Pin configuration and function description for the CXP80620-457R IC.

Circuit Diagrams and Layouts

System Block Diagram

High-level overview of the unit's functional blocks and their interconnections.

Semiconductor Lead Layouts

Visual representations of IC and transistor pin configurations for soldering.

Printed Wiring Board Layouts

Diagrams showing the physical layout of components and traces on the main circuit boards.

IC Block Diagrams

Detailed internal functional block diagrams for key integrated circuits.

Exploded Views and Parts

Case and Front Panel Assembly Exploded View

Exploded diagram showing the parts for the unit's exterior casing.

Mechanism Assembly (1) Exploded View

Exploded diagram detailing components of the tape transport mechanism (Part 1).

Mechanism Assembly (2) Exploded View

Exploded diagram detailing components of the tape transport mechanism (Part 2).

Electrical Parts List

Capacitors and Semiconductors

List of capacitor and semiconductor part numbers, specifications, and remarks.

Connectors, Diodes, and ICs

List of connectors, diodes, ferrite beads, and integrated circuits with part details.

Jacks, Coils, Transistors, Resistors

List of jack, coil, transistor, and resistor components with their specifications.

Resistor Components and Switches

Further listing of resistor types and switch components with part numbers.

Miscellaneous Parts and Accessories

Includes miscellaneous items, accessories, and packing materials for the unit.

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