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Sony TC-K555ES - Service Manual

Sony TC-K555ES
67 pages
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k7
77
E
SPECIFICATIONS
TCM-110C3
-
Continued
on page 2 -
0.04 %
WRMS
(NAB)
± 0.12 %
(D
IN)
SERVICE
MANUAL
Tape
Transport
Mechanism
Type
Wow
and
fl
utter
C h
OFF B-TYPE ON
C-TYPE ON
TYPE IV (Sony METALLIC) 60
dB
67
dB
73
dB
TYPE III (Sony FeCr) 62
dB
69
dB
75
dB
TYPE
II
(Sony UCX)
59
dB
66
dB
72
dB
TYPE I (Sony BH
F)
56
dB
63
dB
69
dB
Recording
system
4-track
2-channel
stereo
Fast-forward
and
rewind
time
Approx.
90 sec.
(with
C-60
cassette)
Bias
frequency
105
kHz
Signal-to-noise
ratio
(NAB,
at
peak
level)
Total
harmonic
distortion
0.8 %
(with
Sony
METALLIC
and
FeCr
cassettes)
Frequency
response
DOLBY
NR
OFF
With
TYPE IV
cassette
(Sony
METALLIC)
20 - 19,000 Hz
25 - 18,000 Hz (±3 dB)
25 - 14,000 Hz (±3 dB,
°
VU
recording)
25 - 19,000 Hz (DIN)
With
TYPE"
I
cassette
(Sony FeCr)
20 - 19,000 Hz
25 - 18,000 Hz
(±3
dB)
25 - 19,000 Hz (DIN)
With
TYPE"
cassette
(Sony UCX)
20 - 18,000 Hz
25 - 17,000 Hz
(±3
dB)
25 - 17,000 Hz (DIN)
With
TYPE I
cassette
(Sony BH
F)
20 - 18,000 Hz
25 - 17,000 Hz (DIN)
•••••
•••••
•••
MICROFILM
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Sony TC-K555ES Specifications

General IconGeneral
Track System4-track, 2-channel stereo
MotorDC Servo Motor
Wow and Flutter0.04% (WRMS)
TypeCassette Deck
Tape TypeMetal
Frequency Response20Hz - 20kHz (Metal tape)
InputLine
OutputLine Out
OutputsLine
InputsLine
Dimensions430 x 125 x 350mm
Tape Speed4.76 cm/s
Heads3 (Record, Playback, Erase)

Summary

FEATURES

Advanced Head and Drive Technologies

Highlights three-head system, laser amorphous head, and dual-capstan drive.

Dolby C Noise Reduction

Details the Dolby C NR system and its benefits over B-type NR.

User Interface and Operational Features

Covers digital counter, peak meters, remote control, and useful functions.

SAFETY CHECKS AND MODEL IDENTIFICATION

AC Leakage Testing Procedures

Outlines methods and limits for checking AC leakage current on exposed metal parts.

FRONT PANEL CONTROLS - BASIC OPERATIONS

Power Switch and Eject Button

Explains how to turn the unit on/off and open the cassette holder.

Tape Selection and Bias Control

Guides on selecting tape types and adjusting the bias control.

Recording Level and Peak Meters

Details on setting recording levels using peak program meters.

Dolby NR and MPX Filter Switches

Operation of Dolby NR system switches and MPX filter switch.

FRONT PANEL CONTROLS - ADVANCED FUNCTIONS

Timer and Remote Control Operation

Instructions for using the timer function and connecting remote control units.

Headphone Output and Level Control

Details on connecting headphones and adjusting their volume level.

RECORDING PROCEDURES AND SETTINGS

Recommended Tape Select Settings

Table of recommended tape types and bias settings for various brands.

Bias Control and Record Monitoring

Explains bias control function and how to monitor recordings.

ADJUSTING THE RECORDING LEVEL

Setting Recording Levels with Peak Meters

Guidance on setting recording levels using peak meters and tape saturation.

MECHANICAL ADJUSTMENTS - PRECAUTIONS AND TORQUE

General Mechanical Adjustment Precautions

Essential precautions to follow before performing mechanical adjustments.

FF;REW Torque Measurement

Procedure for measuring and specifying FF/REW torque values.

Tape Path Adjustment Procedure

Detailed steps for adjusting tape path, including curl and wrinkling.

MECHANICAL ADJUSTMENTS - HEAD BASE POSITION

Head Base Position Adjustment

Steps for adjusting head base position after solenoid replacement.

MECHANICAL ADJUSTMENTS - PINCH ROLLER

Pinch Roller Clearance Adjustment

Procedure to adjust clearance between pinch roller and capstan.

Pinch Roller Pressure Measurement

Method for measuring pinch roller pressure using a tension gauge.

MECHANICAL ADJUSTMENTS - TORQUE CONTROL

Forward Torque Adjustment

Procedure for adjusting forward and back tension torque for tape transport.

ELECTRICAL ADJUSTMENTS - TAPE SPEED

Tape Speed Adjustment Procedure

Steps to adjust tape speed using a speed checker and digital counter.

Standard Record Input;Output Levels

Specifies standard input and output signal levels for recording.

ELECTRICAL ADJUSTMENTS - PLAYBACK HEAD ALIGNMENT

Playback Head Azimuth Adjustment

Procedure for aligning playback head azimuth for optimal signal.

Playback Level Adjustment

Steps to adjust playback output levels for both channels.

Playback Phase Check

Method to check playback head phase alignment using an oscilloscope.

ELECTRICAL ADJUSTMENTS - RECORD HEAD ALIGNMENT

Record Head Azimuth Adjustment

Procedure for aligning record head azimuth, performed after playback head.

Record Head Phase Check

Method to check record head phase alignment.

ELECTRICAL ADJUSTMENTS - BIAS AND LEVEL

Record Bias Adjustment Procedure

Procedure for adjusting record bias for optimal tape recording.

Record Level Adjustment Procedure

Steps to adjust record level for accurate signal transfer.

ELECTRICAL ADJUSTMENTS - BIAS TRAP & METER

Bias Trap Adjustment

Procedure for adjusting the bias trap for Type IV tapes.

Level Meter Calibration

Steps to calibrate the LED level meters for accurate indication.

ELECTRICAL ADJUSTMENTS - DOLBY C LEVEL

Dolby C Level Adjustment

Instructions for adjusting Dolby C level output for L-CH and R-CH.

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