Sony tc k 950 es service manual

Page 2

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
sun LES DIAGRAMMES scuémanouss ET LA LISTE
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.

_2_