Sony TC-KA6ES Service Manual

System
Recording system
4-track 2-channel stereo
Fast winding time (approx.)
90 sec. (with Sony C-60 cassette)
Bias
AC bias
Heads
Head (x1)
Erasing, S&F
Recording sD
Playing 5D
Motors
Capstan motor x 1 (direct drive linear torque BSL
motor)
Reel motor x 1 (DC motor)
Assist (mechanism drive) motor x 1 (DC motor)
Signal-to-noise ratio (at peak level, weighted, and with Dolby NR off)
Type I tape, Sony Type (NORMAL): 57 dB
Type II tape, Sony Type II (HIGH): 59 dB
Type IV tape, Sony Type IV (METAL): 61 dB
S/N ratio improvement
Dolby NR on Approximate values
B 5 dB at 1 kHz, 10 dB at 5 kHz
Cc 15 dB at 500 Hz, 20 dB at 1 kHz
S 10 dB at 100 Hz, 24 dB at 1 kHz
TC-KAGES
Photo : GOLD
Model Name Using Similar Mechanism | TC-K808ES
TCM-200D18
Tape Transport Mechanism Type
SPECIFICATIONS
Harmonic distortion
Tape type
Type I tape 0.4% (160 nWb/m 315 Hz, 3rd H.D.)
Sony Type I (NORMAL)
Type IV tape 1.5% (250 nWb/m 315 Hz, 3rd H.D.)
Sony Type IV (METAL)
Frequency response (Dolby NR off)
Tape type
20 - 17,000 Hz
(+3 dB, IEC)
Type | tape
Sony Type | (NORMAL)
Type Il tape
Sony Type II (HIGH)
20 - 19,000 Hz
(43 dB, IEC)
Type IV tape
Sony Type IV (METAL)
20 - 21,000 Hz
(43 dB, IEC)
20 - 16,000 Hz
(£3 dB, -4dB
recording)
Wow and flutter
+0.05 % W. Peak (IEC)
0.025 % W. RMS (NAB)
+0.07 % W. Peak (DIN)
Inputs
Line inputs (phono jacks)
Sensitivity: 0.16 V
Input impedance: 47 kilohms
Outputs
Line outputs (phono jacks)
Rated output level : 0.5 V at a load impedance of
47 kilohms
Load impedance: Over 10 kilohms
Headphones (stereo phone jack)
Output level ; 0 - 3 mW ata load impedance of
32 ohms
General
Power requirements
Power consumption
30 W
Dimensions (approx.) (w/h/d)
220 - 230 V AC, 50/60 Hz
430 x 135 x 360 mm (17 x 57/14 '/4 inches)
incl. projecting parts and controls
Mass (approx.)
7.6 kg (16 Ibs 13 02)
Supplied accessories
Audio connecting cords (2)
Design and specifications are subject to change without
notice.
Dolby noise reduction and HX
Pro headroom extension
manufactured under license from
Dolby Laboratories Licensing
Corporation. HX Pro originated
by Bang & Olutsen.
“DOLBY, “ the double-D symbol!
DO and “HX PRO” are
trademarks of Dolby Laboratories
Licensing Corporation.
STEREO CASSETTE DECK
SONY.

Sony TC-KA6ES Specifications

General

Brand	Sony
Model	TC-KA6ES
Category	Cassette Player
Language	English

Summary

Specifications

Specifications: Performance Metrics

SECTION 2 DISSEMBLY

SECTION 3 MECHANICAL ADJUSTMENTS

Mechanical Adjustment Precautions

Tape Passing Adjustment

Procedure for ensuring correct tape path and alignment.

Record/Playback Head Adjustment

Steps for adjusting record/playback head height, tilt, and azimuth.

Erase Head Adjustment

Instructions for adjusting erase head alignment and tilt.

Torque Adjustment

Procedure for measuring and adjusting motor torque specifications.

SECTION 4 ELECTRICAL ADJUSTMENTS

Tape Speed and WOW Measurement

Procedure for checking tape speed accuracy and wow/flutter.

Record/Playback Head Azimuth Adjustment

Fine-tuning of head azimuth for optimal stereo separation.

Playback Level Adjustment

Adjusting output levels for L-CH and R-CH during playback.

Erase Current Adjustment

Setting the optimal erase current for tape erasure.

Bias Consumption Current Adjustment

Adjusting bias consumption current for stable recording.

Metal Bias Adjustment

Setting the bias level for metal tape recording.

Calibration Adjustment

Adjusting calibration levels for optimal recording and playback performance.

SECTION 5 DIAGRAMS

Block Diagram

Schematic Diagram - Audio Section

Detailed circuit schematic for the audio processing sections.

Schematic Diagram - System Control (1/2)

Detailed circuit schematic for system control functions.

Schematic Diagram - System Control (2/2)

IC Pin Functions