Related Manuals for Sony Transitron KV-B14K3
Summary of Contents for Sony Transitron KV-B14K3
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Page 1: Service Manual
SERVICE MANUAL G3E ( D ) CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-B14K3 RM-849S Vietnam SCC-H37J-A TRINITRON COLOR TV ®... - Page 2 SHIELD, OR CARBON PAINTED ON THE CRT, AFTER AND IN THE PARTS LIST ARE CRITICAL TO SAFE REMOVING THE ANODE. OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...
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Page 3: Table Of Contents
KV-B14K3 RM-849S TABLE OF CONTENTS Section Title Page Section Title Page 5. DIAGRAMS 1. GENERAL ..............5-1. Block Diagrams ............ 2. DISASSEMBLY 5-2. Circuit Boards Location ........2-1. Rear Cover Removal ..........5-3. Schematic Diagrams and Printed Wiring Boards (1) Schematic Diagram of A Board ...... 2-2. -
Page 4: Disassembly
SECTION 2 DISASSEMBLY 2-3. PICTURE TUBE REMOVAL 2-1. REAR COVER REMOVAL 9 Tension spring !™ Degaussing coil 6 A board 3 Two washer head screws (BVTP 4×16) 2 Two screws (BVTP 4×16) One screw (BVTP 3×12) 4 Speaker One screw block (L) 7 C board (BVTP 3×12) - Page 5 • HOW TO HANDLE AN ANODE-CAP • REMOVAL OF ANODE-CAP NOTE : After removing the anode, short circuit the anode of the picture tube and the 1 Do not damage the surface of the anode-cap with sharp shaped objects. anode cap to the metal chassis, CRT shield or carbon paint on the CRT. 2 Do not press the rubber too hard so as not to damage inside of anode-cap.
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Page 6: Set-Up Adjustments
KV-B14K3 RM-849S SECTION 3 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete Perform the adjustments in the following order : realignment is required or a new picture tube is installed. 1. Beam Landing • These adjustments should be performed with rated power 2. -
Page 7: Convergence
KV-B14K3 RM-849S • 3-2. CONVERGENCE When the V.STAT magnet is moved in the direction of arrow a and b, the red, green and blue dots move as shown below. Preparation : • Before starting, perform FOCUS, H.SIZE, V. LIN and V. SIZE adjustments. - Page 8 KV-B14K3 RM-849S (2) Dynamic Convergence Adjustment Preparation : • Before starting perform Horizontal and Vertical static conver- 3. Move the deflection yoke for best convergence as shown gence Adjustment. below. 1. Slightly loosen deflection yoke screws. 4. Tighten the deflection yoke screw. 2.
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Page 9: Focus Adjustment
KV-B14K3 RM-849S 3-3. FOCUS ADJUSTMENT Adjust FOCUS control for the best focus 3-4. G2 (SCREEN) AND WHITE BALANCE [G2 (SCREEN)] 1) Input a dot pattern. 2) Set the PIC, BRT controls at minimum and COLOR control at 50%. 3) Confirm the BKG voltage is less than 160Vdc (14 inch, 16 inch), 165 Vdc (21 inch) when turning RV706 (B.BKG), RV 704 (G.BKG) and RV702 (R.BKG). -
Page 10: Circuit Adjustments
KV-B14K3 SECTION 4 RM-849S CIRCUIT ADJUSTMENT 4-1. A BOARD ADJUSTMENT ANTI PAL, LINE CRAWLING ADJUSTMENT (RV301, RV302, T301) • ANTI PAL ADJUSTMENT IC001 1. Input the PAL color-bar signal. 2. Set the PIC, COL and BRT controls to normal. 3. Connect the oscilloscope to pin 3 of CN301 connector. 4. - Page 11 KV-B14K3 RM-849S MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
- Page 12 KV-B14K3 RM-849S MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
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Page 13: Diagrams 5-1. Block Diagrams
KV-B14K3 RM-849S SECTION 6 EXPLODED VIEW NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no des- The components identified by cription are not stocked because they are they are seldom required for routine shading and mark ! are critical seldom required for routine service. -
Page 14: Electrical Parts List
KV-B14K3 RM-849S SECTION 7 The components identified by shading and mark ! are critical for safety. ELECTRICAL PARTS LIST Replace only with part number specified. • Items marked " ∗ " are not stocked since NOTE: REF.NO. PART NO. DESCRIPTION REMARK REF.NO. - Page 15 KV-B14K3 RM-849S The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK C273 1-136-157-00 FILM 0.022MF C618 1-130-491-00 MYLAR 0.047MF C290 1-102-936-00 CERAMIC 0.25PF 50V C619...
- Page 16 KV-B14K3 RM-849S The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK CP301 1-236-730-11 NETWORK, C <FUSE> F601 ! 1-532-237-11 FUSE, TIME-LAG (BET) 3.15A/250V <TRIMMER>...
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Page 17: Circuit Boards Location
KV-B14K3 RM-849S The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK <TRANSISTOR> R023 1-249-429-11 CARBON 1/4W R024 1-247-891-00 CARBON 330K 1/4W Q001 8-729-119-78 TRANSISTOR 2SC2785-HFE... - Page 18 KV-B14K3 RM-849S The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK R156 1-249-425-11 CARBON 4.7K 1/4W R522 1-247-815-91 CARBON 1/4W R180 1-249-419-11 CARBON 1.5K...
- Page 19 KV-B14K3 RM-849S The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK R856 1-249-426-11 CARBON 5.6K 1/4W * A-1331-432-A C BOARD, COMPLETE R857 1-247-883-00 CARBON...
- Page 20 **************************************************************************** ! 1-426-145-13 COIL, DEGAUSSING 1-452-032-00 MAGNET,DISC 1-452-277-00 MAGNET, BMC REMOTE COMMANDER 1-501-730-41 ANTENNA, TELESCOPIC ********************** 1-467-761-11 REMOTE COMMANDER (RM-849S) Sony Corporation English 98CM70025-1 Display Company Printed in Malaysia © 9-965-680-01 TV Display Business Asia 1998. 3 – 40 –...