Sony tc k 333 esg service manual

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SERVICE MANUAL

TC-K333ESG
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation
"DOLBY" and the double-D symbol D0 are trademarks of
Dolby Laboratories Licensing Corporation.

US Model
Canadian Model
AEP Model

UK Model

TC- KQSOES
E Model
TC-K33SESG
Model Name Using Similar Mechanism New
Tape Transport Mechanism Typo TCM-ZOODI

SPECIFICATIONS

Recording system A-track 2»channel stereo
Bias AC bias

Heads Erase head x1 (8&F head)
Recording head x1 (LA head)
Playback head x1 (LA head)
Motors Capstan motorXT

(direct drive linear torque BSL motor)
Reel motorxl (DC motor)
Wow and flutter 0.024% WRMS (NAB)
Fastvlorward and rewind lime
Approx. 90 sec. (with 0-60 cassette)
Frequency response (DOLBY NR OFF)

TYPE IV cassette 15-22000 Hz (:3 dB, DIN)
(Sony METAL-ES) 15-16,000 Hz (OVU recording)

TYPE II cassette 15-20,000 H2 (:3 dB, DIN)

(Sony UX-S)
TYPE I cassette 15-18900 Hz(13 dB. DIN)
(Sony HRS)
Signal~to~noise ratio (at peak level)

Dolby NR switch OFF B-TYPE C-TYPE
Cassette ON ON
TYPE |V (Sony METAL-ES) 61 dB 70 dB 76 dB
TYPE II (Sony UX-S) 59 dB 68 dB 74 dB
TYPE I (Sony HF-S) 57 dB 65 dB 72 dB

Total harmonic distortion
(18% (with Sony METAL»ES cassette)

Inputs
Line inputs Sensitivity 775 mV (-20 dB)
(phono jacks) Input impedance 50k ohms
CD DIRECT INPUT Input Impedance 50k Ohms

Outputs

Line outputs
(phono jacks)

Rated output level 0.44 V (-5 dB) at a
load impedance

47k ohms

Load impedance Over 10k ohms

0-3 mW at a load
impedance ol 32
ohms

Headphones
(stereo phone jack)

Output level

General
Power requirements AEP model:
220 V AC, 50/60 HZ
UK model:

240 V AC, 50 Hz
US. Canadian models:
120 V AC, 60 Hz
E model :
120, 220, or 240 V AC adjustable,
50/50 Hz
Power consumption 31 W
Dimenslons Except UK model:
Approx. 470 x 140 x 380 mm (w/hld)
(185/. x 55/, x 15 inches)
UK model :
Approxi 430x140x380
(17 x 55/. x15 inches)
includlng projecting parts and controls
Approx. 11.7 kg (25 lbs 13 oz)
Model for the United Kingdom:
Approx. 11 kg (24 lbs 5 oz)
Audio connecting cord (2)
Wireless remote control unit HMJ702 (1)
Sony R6 (sizevAA) batteries (2)
Screws (8) (Except UK model)
A remote commander and Sony R6 batteries are supplied with

UK. E models

Weight

Supplied accessories

Design and specifications subject to change without notice

Note
This appliance conlorms with EEC Directive 87/308lEEC
regarding interlerence suppression

STEREO CASSETTE DECK
SONY®

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TC- K333ESG/ K950ES

TABLE OF CONTENTS

Section Title Page
SPECIFICATIONS .................................... 1
MODEL IDENTIFICATION ~- 3
SAFETY CHECK-OUT .............................. 3
1. GENERAL ......................................... 4
2. DISASSEMBLY ' - 5
3. ADJUSTMENTS

3- 1. Mechanical Adjustments ................... 7

3-2. Electrical Adjustments -------------------- 10
4. DIAGRAMS

4-1-1. 1C Block Diagrams ....................... 15

4-2- 1. IC503, 505 (CX20188) Pin Functions ----- 15
4-2-2. IC801 (M50964-ZZOSP) Pin Functions 16

4-1-2. IC Block Diagrams" 17
4-3. Block Diagram ....... , 17
4-4. Semiconductor Lead Layouts ------------ 21
4-5. Circuit Boards Location ~~~~~~~~~~~~~~~~~~ 21
4-6. Printed Wiring Boards

- Audio Section - - ~ ......... 22

4-7. Schematic Diagram
_ Audio Sectionm ......................... 27
4-8. Printed Wiring Boards

-Syscon Section- . ~ 82
4-9. Schematic Diagram
_ Syscon section _ ........................ 37
5. EXPLODED VIEWS
5- 1 Panel Section ... ............... 42
5-2. Chassis Section ...................... 44
5-3. Mechanism Section (1)
(TCM-ZOODI) .............................. 45
5-4. Mechanism Section (2)
(TCM-ZOODI) tttttt ' 46
6. ELECTRICAL PARTS LIST ------------- 47

SAFETV~RELATED COMPONENT WARNING! I

COMPONENTS IDENTIFIED 3V MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

Flexible Circuit Board Repairing

~ Keep the temperature of the soldering iron around
27°C during repairing.

' Do not touch the soldering iron on the same conductor
of the circuit board (within 3 times).

- Be careful not to apply force on the conductor when
soldering or unsoldering.

Notes on chip component replacement

Never reuse a disconnected chip component.

~ Notice that the minus side of a tantalum capacitor may
be damaged by heat.

Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories
Licensing Corporation. HX Pro originated by Bang &
Oluisen.

Operating voltage

Before connecting the unit to the power source, check
that the operational voltage of your unit is the same as
the local power supply.

Where purchased Operating voltage

AEP, WG model 220 V AC, 50/60 Hz

UK model 240 V AC, 50 Hz

US. 120 V AC, 60 Hz

Canadian model

E model 120, 220 or 240 V AC adjustable,

50I60 HZ

A voltage selector is located on the
rear panel. it the selector must be
reset, disconnect the AC power
cord and set the selector to the
appropriate voltage

voums VOLTAGE selector

ATTENTION AUCOMPO'SANT AYANT RAPPORT
A LA sscum'réi

LES composmrs lDENTIFIés PAR UNE MAROUE A
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DES PIECES som- cmnuues POUR LA SECURITE
DE Foncnounemenr. we REMPLACER ces coM-
POSANTS oue PAR DES PIECES so~v DONT LES
NUMEROS sour oormés DANS cs MANUEL 0U
DANS LES SUPPLEMENTS ruaués PAR 50ml.

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