Related Manuals for Sony TRINITRON KV-G21PD1
Summary of Contents for Sony TRINITRON KV-G21PD1
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Page 1: Service Manual
SERVICE MANUAL BG-1S (D) CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-G21PD1 RM-883 India SCC-K67E-A TRINITRON COLOR TV ®... - Page 2 SHIELD, OR CARBON PAINTED ON THE CRT, AFTER THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REMOVING THE ANODE. 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-G21PD1 RM-883 TABLE OF CONTENTS Section Title Page Section Title Page 1. GENERAL 5. CIRCUIT ADJUSTMENTS ................ 4 5-1. Adjustment With Commander ......... 18 2. DISASSEMBLY 5-2. Adjustment Method ..........19 2-1. Rear Cover Removal ..........10 5-3. A Board, Adjustment After IC003 2-2. -
Page 4: General
SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating GENERAL Instruction Manual remain as in the manual. AUTO PROGR AUTO PROGR... - Page 5 Getting Started Front of TV Connections Camcorder VIDEO INPUT VIDEO AUDIO to video and audio outputs : Signal flow Connecting a VHF antenna or a combination VHF/UHF antenna When using the video input jacks — 75-ohm coaxial cable (round) Do not connect video equipment to the video input jacks at the front and the rear of your TV simultaneously; otherwise the picture will not be displayed properly on the screen.
- Page 6 Presetting channels Presetting channels manually using the buttons on the TV Press MANUAL PROGR. Press SELECT until “MANUAL PROGRAM” Presetting channels automatically appears. using the remote commander Press PROGR +/– on the remote commander + or – SELECT until the required program position SELECT appears on the screen.
- Page 7 Operations • The last TV program position or video input just before the TV Watching the TV Turning off the TV Displaying on-screen information turns into standby mode will appear when the TV is turned on using the Wake Up Timer. •...
- Page 8 Using the Child Lock Watching the picture Adjusting the Adjusting the picture Adjusting the picture setting Press SELECT until the item you want to feature in wide mode picture adjust appears. SELECT Each time you press SELECT, the screen changes You can prevent a child from watching certain program You can adjust the display mode accordingly to fit the Note on the SOUND MODE button...
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Page 9: Troubleshooting
Additional Information No picture Troubleshooting No sound / Press POWER. / Check the antenna connection. / Check the VCR connections. / Check the power cord connection. If you have any problems, read this manual again and / Check the standby mode. check the countermeasure for each of the symptoms listed below. -
Page 10: Disassembly
SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. SERVICE POSITION A board 2 Two screws (BVTP 4×16) 3 One screw (BVTP 3×16) 1 Two screws (BVTP 4×16) 2-2. A BOARD REMOVAL Lever Lever A board... -
Page 11: Replacement Of Parts
2-4. REPLACEMENT OF PARTS 2-5. DEMAGNETIZATION COIL REMOVAL For replacement of the Multi Button, Light Guide and Power Button, cut the welded portions from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. 2-4-1. REPLACEMENT OF MULTI BUTTON 1 Demagnetization coil 2 Tension spring Two screws... -
Page 12: Picture Tube Removal
2-6. PICTURE TUBE REMOVAL 3 C board 4 Deflection yoke 2 A board 5 Four screws (Tapping screws) 2 Using a thumb press down then pull up the rubber cap firmly in the direction indicated by the arrow b. 1 Anode cap Anode button 3 When one side of the rubber cap is separated from the anode button, the Cushion... -
Page 13: Set-Up Adjustments
KV-G21PD1 SECTION 3 RM-883 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 14: Convergence
KV-G21PD1 RM-883 • 3-2. CONVERGENCE Operation of V.STAT magnet. If the V.STAT magnet is moved in the direction of the a and Preparation : b arrows, the red, green and blue points move as shown • Before starting this adjustment, adjust the focus, horizontal size below. - Page 15 KV-G21PD1 RM-883 (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static 3. Move the deflection yoke as shown in the figure below and convergence and the vertical static convergence. optimize the convergence. 1. Slightly loosen the deflection yoke screws. 4.
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Page 16: Focus Adjustment
KV-G21PD1 RM-883 DATA 3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best SERVICE focus. Adjustment Item Item number WRITE MUTING Executes the writing FOCUS SCREEN (NOT USED) FLYBACK TRANSFORMER (T851) Note: Screen VR is not use. a. -
Page 17: Self Diagnosis Function
KV-G21PD1 SECTION 4 RM-883 SELF DIAGNOSIS FUNCTION If no acknowledgement is returned from a device which is turned "ON", the device has a problem. In this case, one of the LED's responding to the problem device will flicker a defined number of times. Flickering is operated by lighting the LED's for 60ss each time. -
Page 18: Circuit Adjustments
KV-G21PD1 SECTION 5 RM-883 CIRCUIT ADJUSTMENTS 5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-883 that comes with [1], [4] Raise/lower the service item number this unit. [3], [6] Raise/lower the data [MUTING] Writes Entering service mode Executes the writing With the unit on standby [7], [0] All data becomes the values in memory... -
Page 19: Adjustment Method
KV-G21PD1 RM-883 5-2. ADJUSTMENT METHOD Item Number 08 Use the same method for Items Number 00-33. Use [1] and [4] to This explanation uses V-SHIFT as an example. select the adjustment item, use [3] and [6] to adjust, write with 1. - Page 20 KV-G21PD1 RM-883 Adjustment Item Table Item Adjustment Data Initial Standard data Note Device number Item range data 00–3F H SHIFT (TDA8375) 00–3F H SIZE (TDA8375) 00–3F PIN AMPLITUDE (TDA8375) 00–3F CORNER PIN (TDA8375) 00–3F TILT (TDA8375) 00–3F V SLOPE (TDA8375) 00–3F V AMPLITUDE (TDA8375)
- Page 21 KV-G21PD1 RM-883 NOTE • Standard Data. Those are the standard data values written on the microprocessor. Therefore, the data values of the modes are stored respectively in the memory. In case of a device replacement, adjustment by rewriting the data value is necessary for some items. •...
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Page 22: A Board, Adjustment After Ic003 (Memory) Replacement
KV-G21PD1 RM-883 5-3. A BOARD, ADJUSTMENT AFTER IC003 5-4. PICTURE DISTORTION ADJUSTMENT (MEMORY) REPLACEMENT Item Number 00 – 08 1. Enter to Service Mode. HSF (H SHIFT) 00 HSF (H SHIFT) 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data. -
Page 23: Diagrams 6-1. Block Diagram
KV-G21PD1 KV-G21PD1 SECTION 7 RM-883 RM-883 EXPLODED VIEW NOTE: • • Items with no part number and no Items marked " * " are not stocked since The components identified by description are not stocked because they are seldom required for routine shading and mark ! are critical they are seldom required for routine service. -
Page 24: Electrical Parts List
KV-G21PD1 RM-883 SECTION 8 The components identified by shading and mark ! are critical for safety. ELECTRICAL PARTS LIST Replace only with part number specified. NOTE: REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since RESISTORS •... -
Page 25: Circuit Boards Location
KV-G21PD1 RM-883 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 C326 1-102-949-00 CERAMIC 12PF C616 1-102-228-00 CERAMIC 470PF 500V C327 1-102-947-00 CERAMIC 10PF... - Page 26 KV-G21PD1 RM-883 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 C1229 1-136-173-00 FILM 0.47MF D601 8-719-510-53 DIODE D4SB60L C1230 1-136-165-00 FILM 0.1MF D604...
- Page 27 KV-G21PD1 RM-883 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 IC603 ! 8-749-010-64 PHOTO COUPLER PC123F2 Q1207 8-729-119-78 TRANSISTOR 2SC2785-HFE IC801 8-759-145-58 IC UPC4558C...
- Page 28 KV-G21PD1 RM-883 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 R120 1-247-891-00 CARBON 330K 1/4W R421 1-249-409-11 CARBON 1/4W R131 1-216-464-11 METAL OXIDE R424...
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Page 29: Schematic Diagram Of A Board
KV-G21PD1 RM-883 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 R823 1-249-931-11 CARBON 2.2K 1/4W F R1240 1-247-807-31 CARBON 1/4W R825 1-249-392-11 CARBON... - Page 30 KV-G21PD1 RM-883 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 * A-1331-800-A C BOARD, COMPLETE Q709 8-729-200-17 TRANSISTOR 2SA1091-O ********************* Q710 8-729-119-78 TRANSISTOR 2SC2785-HFE...
- Page 31 REMOTE COMMANDER ********************** ****************************************************************** 1-475-800-11 REMOTE COMMANDER (RM-883) ACCESSORIES AND PACKING MATERIALS *************************************** 3-701-910-00 SCREW, SPECIAL (DIA. 3.8X20) 3-862-582-11 MANUAL, INSTRUCTION Sony Corporation English 98EM70035-1 Display Company Printed in Malaysia © 9-965-686-01 TV Display Business Asia 1998. 5 – 46 –...