Sony TC-WR535 Service Manual

SERVICE MANUAL
SPECIFICATIONS
4-track 2-channel stereo
Approx. 90 sec. (with Sony C-60
cassette)
Bias AC bias
Signal-to-noise ratio (at peak level and weighted)
Type IV Type Il Type |
58 dB 57 dB 55 dB
S/N ratio improvement (approximate values)
With Dolby B NR on: 5 cB at 1 KHz; 10 dB at 5 kHz
With Dolby C NR on: 15.dB at 500 Hz; 20 dB at 1 kHz
Recording system
Fast winding time
Cassette
(Dolby NR
off)
Harmonic distortion
0.4% (with Type |, 160 nWb/m,
$15: Hz,/ Sid: F1-D.)
1.8% (with Type IV, 250 nWb/m,
315 Hz, 3rd H.D.)
Frequency response (Dolby NR off)
Cassette
Type IV Type Il
cassette cassette
Type |
cassette
30 - 18,000 Hz} 30 - 17,000 Hz | 30 - 15,000 Hz
WR535 (+3. dB, IEC) |(43dB,1EC) | (43 dB, IEC)
30 - 13,000 Hz
[+3 dB (-4 dB)
recording]
Type IV: Sony ES-IV
Type Il : Sony UX-S or UX
Type |. : Sony HF-S
TC-WR535
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Model Name Using Similar Mechanism | TC-WR521/WR590
Tape Transport Machanism |DECKA]| TCM-190RA12C
Type DECK B|} TCM-190RB12C
Wow and flutter TC-WR535
+0.14% W.Peak (IEC)
0.08% W.RMS (NAB)
+0.19% W.Peak (DIN)
Inputs
Line inputs Sensitivity 0.16 V
(phono jacks) Input impedance 47 k ohms
— Continued on page 2 —
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 00 are trademarks of
Dolby Laboratories Licensing Corporation.
STEREO CASSETTE DECK
SON Y.

Sony TC-WR535 Specifications

General

Type	double cassette deck
Number of Decks	2
Track System	4-track, 2-channel stereo
Tape Speed	4.8 cm/s
Signal-to-Noise Ratio	58 dB
Signal-to-Noise Ratio (Dolby B)	68 dB
Signal-to-Noise Ratio (Dolby C)	78 dB
Total Harmonic Distortion	1.5%
Auto Reverse	Yes
Dolby Noise Reduction	B, C
Motor Type	DC servo motor
Power Supply	AC 120V, 60Hz
Power Consumption	15W
Frequency Response	30 Hz to 15, 000 Hz
Wow and Flutter	0.08% (WRMS)
Inputs	1 x line
Outputs	1 x line, 1 x headphones
Dimensions (W x H x D)	430 x 120 x 300mm
Frequency Response (Metal Tape)	30 - 16000 Hz (metal tape)

Summary

SPECIFICATIONS

General Specifications

Safety Check-out

Leakage Test Procedure

Details the procedure for testing AC leakage current.

Safety-Related Component Warnings

Alerts users to critical components for safe operation.

Section 1 General

Front Panel Parts Identification

Section 2 Disassembly

Front Panel, Mechanism Deck, Head Disassembly

Outlines disassembly steps for front panel, mechanism deck, and heads.

Section 3 Adjustments

Mechanical and Electrical Adjustments

Covers mechanical adjustments and electrical adjustments for audio circuits.

Adjustment Procedures

Head Azimuth, Tape Speed, Playback Level Adjustments

Details procedures for head azimuth, tape speed, and playback level adjustments.

Calibration and Level Adjustments

Bias, Record Level, Record Bias Adjustments

Explains adjustments for bias consumption current, record level, and record bias.

Section 4 IC Terminals Explanation

Section 5 Diagrams

System Block Diagram

Provides a high-level overview of the system's functional blocks.

Circuit Board Layouts

Circuit Board Locations

Printed Wiring Boards

Printed Wiring Board Layouts

Schematic Diagrams

Main Section Schematic Diagram

Shows the schematic for the main functional sections of the device.

Audio Section Schematics

Audio Section Schematic Diagram

Presents the detailed schematic for the audio processing circuits.

Section 6 Exploded Views

Chassis Section Exploded View

Front Panel Exploded View

Front Panel Section Exploded View

Mechanism Exploded Views

Mechanism Section 1 Exploded View

Mechanism Section 2 Exploded View

Mechanism Section 2 Exploded View

Section 7 Electrical Parts List

Semiconductor Component Lists