File name kv-21fx30.pdfSERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.
FE-2 CHASSIS
MODEL
COMMANDER DEST CHASSIS NO.
KV-21FX30B KV-21FX30E
RM-887
FR
SCC-Q54G-A
KV-21FX30K
RM-887
OIRT
SCC-Q51J-A
RM-887
ESP
SCC-Q53H-A
RM-889
1
TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications Connectors Self Diagnostic Software 1. GENERAL Switching On the TV and Automatically Tuning Introducing the Menu System Menu Guide Teletext Specifications Troubleshooting 2. DISASSEMBLY 2-1. 2-2. 2-3. 2-4. 2-5. 2-6. 2-7. 2-8. 2-9. Rear Cover Removal Speaker Disconnection Speaker Box Removal Speaker Box Disassembly A Board PWB Removal 1 A Board PWB Removal 2 Service Position Wire Dressing Picture Tube Removal
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3 4 5
4. CIRCUIT ADJUSTMENTS 4-1. 4-2. 4-3. Electrical Adjustments Test Mode 1 Test Mode 2 ... ... ... 19 21 21
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6 7 7 10 11 11
5. DIAGRAMS 5-1. 5-2. 5-3. Block Diagrams (1) Block Diagrams (2) Circuit Board Location Schematic Diagrams and Printed Wiring Boards * C Board * A Board Semiconductors IC Blocks ... ... ... ... ... ... ... ... 23 25 26 26 27 29 37 39
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12 12 12 12 13 13 13 13 14
5-4. 5-5.
6. EXPLODED VIEWS 6-1. 6-2. Chassis Picture Tube ... ... ... 40 41 42
7. ELECTRICAL PARTS LIST
3. SET-UP ADJUSTMENTS 3-1. 3-2. 3-3. 3-4. Beam Landing Convergence Focus Adjustment Screen (G2), White Balance ... ... ... ... 15 16 18 18
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.
ATTENTION 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.
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. ATTENTION !! 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.
SAFETY-RELATED COMPONENT WARNING !! COMPONENTS IDENTIFIED BY SHADING AND MARKED £ ON THE SCHEMATIC DIAGRAMS, EXPL |