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KV 9PT20 KV 9PT40

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KV-9PT20/9PT40 @ RM-792 RM-793 SERVICE MANUAL US Model KV-9PT20 Chassis No. SCC-HIIB-A KV-9PT40 Chassis No. SCC-HIIA-A Canadian Model KV-9PT20 Chassis No, SCC-H14B-A KV-9PT40 Chassis No. SCC-HI4A-A MODELS OF THE SAME SERIES KV-9PT20/9PT40 SPECIFICATIONS © KV-9PT40 Television system Output Headphone jack American TV standard, NTSC color Power requirements Channel coverage VHF channels 2-13 120 V AC, 60 Hz UHE channels 14-69 Power consumption CATY channels 1-125 ACINSS W max. e (181 total receivable channels) Dimensions Approx. 259 x 245 x 295 mm. Picture tube inch picture measured diagonally (w/h/d) 10-inch picture tube measured (10 1/4% 95/411 4/s inches) diagonally Mass Approx. 5.9 kg (13 Ib) 90-degree deflection Supplied accessories Antenna VHF/UHF telescopic antenna Remote commander RM-793 with 2 Speaker ‘77mm round (3 "/s inches), 1.8W size AA (R6) batteries (1) Inputs VIDEO IN jacks Telescopic antenna (1) VIDEO: RCA phono-type 1 Vp-p, Dual mode swivel bracket (1) 75 ohms Attachment parts (I) AUDIO: RCA phono-type monaural Paper pattern (1) EXT ANT (Combined CATV/VHF/ Optional accessories UHE75-ohm, F-type) Connecting cord VMC-20MS ‘Continued on pape 2 — TRINITRON. COLOR TV SONY. © KV-9PT20 Television system American TV standard, NTSC color Channel coverage VHF channels 2-13 UHF channels 14-69 CATV channels 1-125 (181 total receivable channels) Picture tube __9-inch picture measured diagonally 10-inch picture tube measured diagonally 90-degree deflection Antenna VHF/UHF telescopic antenna Speaker ‘77mm round (3 '/s inches), 1.8W Inputs VIDEO IN jacks VIDEO: RCA phono-type 1 Vp-p, 75 ohms AUDIO: RCA phono-type monaural EXT ANT (Combined CATV/VHE/ UHF 75-ohm, F-type) Output Headphone jack Power requirements 120 V AC, 60 Hz. vp Power consumption ACINS5 W max. DC IN 55 W max. Dimensions Approx. 259 x 245 x 295 mm (w/h/d) (101/49 3/4 x 11 8/a inches) Mass Approx. 5.9 kg (13 Ib) Supplied accessories Remote commander RM-792 with 2 size AA (R6) batteries (1) AC power cord (1) Telescopic antenna (1) Car battery cord DCC-22AW (1) Optional accessories Connecting cord VMC-920MS Design and specifications are subject to change without notice. ‘TABLE OF CONTENTS Section Page 1. GENERAL + KV-9PT«O) Setting Up 5 Connections 6 Setting Up the Remote Commander 7 Presettng the Channels ca 7 ‘Watching the TV. 8 ‘Adjusting Piture Quality 9 Connecting Video Equipment + : 9 dentfying the Paris »-esees . 9 + KV.-9PT20 Connections . Setting Up the Remote Commanderv-rveessstesssestes LE Presettng the Channels . Watching the TV; ‘Adjusting Piture Quality Connecting Video Equipment rrrnnensessn : Wentifying the Parts evens 2, DISASSEMBLY 2-1. Rear Cover Removal and Model Name Pesition ~~~ 16 2-2, Searvice Position 16 2.3, FBoard Removal : 16 2-4. Chassis Assy Removal ss 6 2-8. Picture Tube Removal ss 7 (CAUTION) ‘SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAREON. PAINTED ON THE CRT, AFTER REMOVING THE ANODE, WARNING! AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BECAUSE OF LIVE cHassis, ‘THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO ‘THE AC POWER LINE. SAFETY-RELATED COMPONENT WARNING ! COMPONENTS IDENTIFIED BY SHADING AND MARK 4 ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS UST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE GRITICAL TOSAFE OPERATION ARE IDENTIFIED INTHIS MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS SUSPECTED, Tite Page 3, SET-UP ADJUSTMENTS. 1, Sereen (G2) cc so 18 33. Beam Landing se “18 Bed, Convergencerrsnn semen 9 35. White Balance ne 36, Sob Brightness a 4, SAFETY RELATED ADJUSTMENT sone 2D 5. CIRCUIT ADJUSTMENTS SD Board Adjustments nent 0 6. DIAGRAMS 6-1. Block Diagram “ 25 6-2, CirouitBosnds Location : 28 63, Schematie Diagram and Printed Wiring Bo 28 *D Boned ee 31 +F Board - *CBoard 7 36 +H Board 36 6-4, Semicondvetors ssn 38 7. EXPLODED VIEW ee 8. ELECTRICAL PARTS LIST.---0s00 “0 (ATTENTION) APRES AVOIR DECONNECTE LE CAP DE L’ANODE, COURTCIRCUITER L'ANODE DU TUBE CATHODIQUE ET CELUI DE L'ANODE DU CAP AU CHASSIS METALLIQUE DE APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUBE cATHODIQUE. ATTENTION! AFIN D'EVITER TOUT RISQUE D°ELECTROCUTION PROVENANT D'UN CHASSIS SOUS TENSION, UN TRANSFORMATEUR D'ISOLEMENT DOIT ETRE UTILISE LORS DE TOUT DEPANNAGE. Le CHASSIS DE CE RECEPTEUR EST OIRECTEMENT RACCORDE A L'ALIMENTATION SECTEUR, ATTENTION AUX COMPOSANTS RELATIFS ALA SECURITE! LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET PAR, UNE MAPQUE A SUR LES SCHEMAS DE PRINCIPE, LES VUES EXPLOSEES ET LES LISTES DE PIECES CONT D'UNE IMPORTANCE CRITIQUE POUR LA SECURITE DU FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE NUMERO DE PIECE EST INDIQUE DANS LE PRESENT MANUEL OU DANS DES SUPPLEMENTS PUBLIES PAR SONY. LES REGLAGES DE CIRCUIT DONT LIMPORTANCE EST CRITIQUE POUR LA SECURITE DU FONCTIONNEMENT SONT IDENTIFIES DANS. Le PRESENT MANUEL. SUIVRE CES PROCEDURES LORS. DE CHAQUE REMPLACEMENT DE COMPOSANTS. CRITIQUES, OU LORSQU'UN MAUVAIS FONCTIONNEMENT EST SUSPECTE

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