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Sanyo M1112 User Manual

Sanyo M1112
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SERVICE
MANUAL
MINI
CASSETTE
RECORDER
142
431
25
(Black)
142
431
35
(Silver)
SPECIFICATIONS
Power
Source
Fast
Forward/Rewind
Time
..............
1
20sec.
(with
C-60)
DIES
ahs
caeeeailevnne
ede
euie-dauadne
seenawe
sees:
3V
Wow
&
Flutter
.............
0c.
c
eee
eee
eee
0.5%,
RMS
(UM-3,HP
7,
AA
Cell,
Mignonzelle,
R6)
x
2
Frequency
Response
(Overall)
Output
Power
.................cceeeeeeeeees
350mW
(Max.)
10dB
Band
.................ccc
cece
eeeeeee
200Hz
~
6,000Hz
Current
Consumption
(at
Vol.
Min.)
Erase
Ratio
(Overall)
......................
40dB
Record
mode
............cccccecseeeeeeeee
160mA
Signal
to
Noise
Ratio
......................
30dB
Playback
mode
.............c.ccccceeeees
160mA
Crosstalk
FastForward/Rewind
mode............
250mA
TRACK
10
TRACK
osc
csacs
dncneoes
cosceneenes
60dB
TrackSystem
..............ccceeeeeees
ssn
2
Track/Mono
Harmonic
Distortion
(K3)
.................
13%
Recording
System
................ecceeeees
DC
Bias
Hum
&
Noise
(at
Vol.
Min.)
................
—60dBs
Erasing
System
.........
0...
cc
cece
cence
eee
Magnet
Erasing
Terminal
Impedance
TAP
Speed
ccc
ccciaccesces
cawesivssseverces
1-7/8ips.
£3%
PNG:
waryutern
nee
cdeus
hit
edietedaatmessaaus
0.3mV/6.8k0
Torque
EParOnOne:
245
ins
seducegsecuswdeedeween
cee
200mV/40
load
Playback
mode
...............cceeeeeeee.
30
~
50g-cm
Dimensions...................
86.5(W)
x
127.5(H)
x
36.5(D)
mm
Fast
Forward/Rewind
mode............
more
than
60g-cm
Weight
(w/o
battery)
..................000.
270g
—Specifications
subject
to
change
without
notice.—
WM-16375
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Sanyo M1112 Specifications

General IconGeneral
BrandSanyo
ModelM1112
CategoryMicrocassette Recorder
LanguageEnglish

Summary

Sanyo Mini Cassette Recorder M1112 Specifications

Power and Output Specifications

Details on power source requirements, output power, and current consumption during operation.

Recording and Playback System Details

Information on tape speed, track format, recording, and erasing systems used in the device.

Performance Metrics

Key performance indicators including fast forward/rewind time, wow & flutter, frequency response, and signal-to-noise ratio.

Physical and Electrical Characteristics

Specifications for terminal impedance, dimensions, and weight of the cassette recorder.

Disassembly Instructions

General Disassembly Remarks

Precautions and general guidelines before starting the disassembly process to prevent damage.

Cabinet Bottom Removal

Step-by-step procedure for removing the bottom cover of the cassette recorder unit.

Amplifier P.C. Board Removal

Instructions for safely detaching the amplifier printed circuit board from the unit.

Cassette Mechanism Removal

Procedure for detaching and removing the main cassette mechanism assembly.

Adjustment Procedures

General Adjustment Remarks

Guidelines for cleaning and handling parts during adjustment procedures.

Required Equipment for Adjustments

List of necessary tools and equipment for performing calibration and adjustments.

ASO Lever Adjustment

Specific instructions for adjusting the ASO Lever, including modifications if necessary.

Tape Speed Adjustment

Procedure for calibrating the tape playback speed using a frequency counter and test tape.

Head Azimuth Adjustment

Instructions for aligning the playback/record head azimuth for optimal audio quality.

Parts Lists and Diagrams

Cabinet Parts List

Detailed list of all parts associated with the device's cabinet assembly.

Mechanism Parts List

Comprehensive list of components making up the internal cassette mechanism.

P.C. Board Parts List

List of components and parts for the main printed circuit board assemblies.

Exploded Views and Diagrams

Cabinet Exploded View

An illustrated breakdown of the cabinet components and their assembly.

Mechanism Exploded View

Detailed exploded diagrams illustrating the cassette mechanism assembly.

Amplifier P.C. Board & Wiring Diagram

Wiring diagram and layout for the amplifier printed circuit board.

Schematic Diagram

Overall circuit schematic showing the electronic components and their interconnections.

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