Table Of Contents - Sony KV-21FQ10K Service Manual

Section
CAUTION & WARNING ....................................................... 4
SPECIFICATION & WARNING (UK only) .......................... 4
SELF DIAGNOSTIC FUNCTION ........................................ 5
1. DISASSEMBLY
(KV-21FQ Models)
1-1. Rear Cover Removal ................................................... 8
1-2. Speaker Removal ........................................................ 8
1-3. Chassis Assy Removal ................................................ 8
1-4. Service Position .......................................................... 8
1-5. Terminal Bracket Removal ......................................... 8
1-6. A Boards Removal ...................................................... 8
1-7. Picture Tube Removal ................................................. 9
(KV-21CL Models)
1-1. Rear Cover Removal ................................................. 10
1-2. Speaker Removal ...................................................... 10
1-3. Chassis Assy Removal .............................................. 10
1-4. Service Position ........................................................ 10
1-5. Terminal Bracket Removal ....................................... 10
1-6. A Boards Removal .................................................... 10
1-7. Picture Tube Removal ............................................... 11
2. SET-UP ADJUSTMENTS
2-1. Beam Landing ........................................................... 12
2-2. Convergence .............................................................. 13
2-3. Focus Adjustment ..................................................... 15
2-4. G2 (SCREEN) Adjustment ....................................... 15
2-5. White Balance Adjustement ..................................... 15
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE
ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED ! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.

TABLE OF CONTENTS

Title Page
KV-21FQ10B/21FQ10E/21FQ10K/21CL10B
KV-21CL10E/21CL10K/21CL10U/21CL1K
Section
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander .................................. 16
3-2. Adjustment Item Table ............................................. 17
3-3. T-Mode ...................................................................... 28
3-4. TT-Mode ................................................................... 28
3-5. T-Cyan Mode ............................................................ 28
3-6. Sub Brightness Adjustment ...................................... 29
3-7. Sub Contrast Adjustment .......................................... 29
3-8. Sub Color Adjustment .............................................. 29
3-9. Tuner AGC Adjustment ............................................ 29
3-10. Deflection Adjustment .............................................. 30
4. DIAGRAMS
4-1. Block Diagram .......................................................... 31
4-2. Circuit Board Location ............................................. 33
4-3. Schematic Diagram ................................................... 33
4-3-1. C Board .......................................................... 34
4-3-2. A Board - Processor (Block A) ..................... 35
4-3-3. A Board - Audio (Block B) ........................... 37
4-3-4. A Board - Power Supply (Block C) .............. 39
4-3-5. A Board - Deflection (Block D) .................... 41
4-3-6. A Board - Tuner (Block E) ............................ 43
4-3-7. A Board - Jack, Scart Terminal (Block F) .... 45
4-4. Voltage List and Waveforms ..................................... 51
4-5. Printed Wiring Boards and Parts Location ............... 54
4-6. Semiconductors ......................................................... 57
5. EXPLODED VIEWS
5-1. Chassis ...................................................................... 59
6. ELECTRICAL PARTS LIST ......................................... 61
INSTRUCTION MANUAL
APRES AVOIR DECONNECTE LE CAP DE'LANODE,
COURT-CIRCUITER L'ANODE DU TUBE CATHODIQUE ET
CELUI DE L'ANODE DU CAP AU CHASSIS METALLIQUE DE
L'APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE
TUBE CATHODIQUE OU AU BLINDAGE DU TUBE
CATHODIQUE.
AFIN D'EVITER TOUT RISQUE D'ELECTROCUTION
PROVENANT D'UN CHÁSSIS SOUS TENTION, UN
TRANSFORMATEUR D'ISOLEMENT DOIT ETRE UTILISÈ LORS
DE TOUT DÈPANNAGE LE CHÁSSIS DE CE RÈCEPTEUR EST
DIRECTMENT RACCORDÈ Á L'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS Á
LA SECURITÈ!!
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE
MARQUE ! SUR LES SCHÈMAS DE PRINCIPE, LES VUES
EXPLOSÈES ET LES LISTES DE PIECES SONT D'UNE
IMPOR-TANCE CRITIQUE POUR LA SÈCURITÈ DU
FONCTIONNEMENT,
NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT
LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT
MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.
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Title
ATTENTION
ATTENTION !!
RM-W100
Page