Sony K-43S3 Dismantling Information For Use
Sony K-43S3 Dismantling Information For Use

Sony K-43S3 Dismantling Information For Use

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DISMANTLING INFORMATION for USE
by PROFESSIONAL RECYCLERS
ORIGINAL MANUAL ISSUE DATE: 2025.05
Model:
K-43S3
K-50S3
K-65S3
K-75S3
Conditions of Use:
(1) Please use this information only for the purpose of performing repair and recycling Sony products. Using this information
for any purpose other than the purpose described foregoing is forbidden.
(2) Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part
without the prior written permission of the author.
Revision of Information:
This information may be changed or updated at any time without any prior notice. Please confirm that this information is up-
to-date before using it.
K-55S3
K-85S3
9-888-926-41
Sony EMCS (Malaysia) Sdn. Bhd. HES-M
LCD TV
© 2025

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  • Page 1 LCD TV Conditions of Use: (1) Please use this information only for the purpose of performing repair and recycling Sony products. Using this information for any purpose other than the purpose described foregoing is forbidden. (2) Do not copy, replicate, reproduce, alter, translate, transmit, sell, lease, or distribute this information in whole or in part without the prior written permission of the author.
  • Page 2: Model Lists

    MODEL LISTS RMF-TX820U RMT-TX450E MODEL REMOTE DESTINATION RMF-TX820U K-43S3 CEI, UKA RMT-TX450E RMF-TX820U K-50S3 CEI, UKA RMT-TX450E RMF-TX820U K-55S3 CEI, UKA RMT-TX450E RMF-TX820U K-65S3 CEI, UKA RMT-TX450E RMF-TX820U K-75S3 CEI, UKA RMT-TX450E RMF-TX820U K-85S3 CEI, UKA RMT-TX450E...
  • Page 3: Optional Equipments

    TOOLS & EQUIPMENTS LIST OF ITEM TO PREPARE Screwdriver (e.g., #2 Phillips Screwdriver). Multimeter. iii. ESD Wrist Straps. iv. Metal Washer (Flat) or Coin - to remove Rear Cover. Thickness: approx. 1.5 mm Diameter: 20~25 mm (wrap in tape (L=50 mm)) Ruler - to remove Rear Cover.
  • Page 4: Safety Notes

    Replace these components with Sony parts whose part 7) Always clean the LCD panel with a soft cloth material. numbers appear as shown in this manual or in supplements published by Sony. 8) Handle the wires or connectors of the backlight circuit with care. Damaging the Circuit adjustments that are critical for safe operations are identified in this wires may cause a short circuit.
  • Page 5 SAFETY NOTES 10) During the repair, DO NOT leave the POWER ON or Burn-in period for more ※Things to prepare in advance. than 1 hour while the TV is facing down on a cloth. Refer Figure 1. ESD wrist- strap. Figure 1.
  • Page 6 SAFETY NOTES 1) Caution for Board handling(Stress).Be sure to observe the following contents i) Hold the board with both hands v) Regardless of good or defective board, always put it on ESD cushion slowly vi) Keep vertical position and put in/take out from Box. Always put into ESD bag ii) Do not hold or push Heat-Sink then place into Box/Container Box iii) Handle with care.
  • Page 7 SAFETY NOTES 2) Caution for Board handling (ESD).Be sure to observe the following contents ※Installation example of wrist-strap. Please connect the clip to the metal part of the chassis of the TV with the When take off Rear-Cover, do not touch board. ii) Use ESD wrist-strap wristband grounded.
  • Page 8 SAFETY NOTES 1-5. Safety Check-Out Stabilized power supply instrument and isolated voltage transformer: After correcting the original service problem, perform the following safety Use too much current capacity and isolated voltage transformer does not need checks before releasing the set to the customer:- to use stabilized power supply equipment.
  • Page 9 SAFETY NOTES 1-7. How to Find a Good Earth Ground. 1-8. Lead Free Information The circuit boards used in these models have been processed using Lead 1) A cold-water pipe is a guaranteed earth ground; the cover-plate Free Solder. The boards are identified by the LF logo located close to the retaining screw on most AC outlet boxes is also at earth ground.
  • Page 10 DISASSEMBLY & REMOVAL CAUTION 43” REAR COVER 1. Remove the screws from the Rear Cover (4 pcs) 2. Unhook the bottom hook, starting from center. ① Unhook two hooks closest to center simultaneously <1> <2> ② Unhook both hooks using coin or jig. to prevent lock back.
  • Page 11 DISASSEMBLY & REMOVAL CAUTION 43” REAR COVER Bottom hook position 62mm 113mm 306mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover corner and ②...
  • Page 12 DISASSEMBLY & REMOVAL CAUTION 43” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 2 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 13 DISASSEMBLY & REMOVAL CAUTION 43” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. <2> Total Rear Cover back chassis hooks : 2 hooks <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to ③...
  • Page 14 DISASSEMBLY & REMOVAL CAUTION 43” REAR COVER 6. Unhook top row (4 hooks). ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. Hook positioning.
  • Page 15: Main Board

    BOARD LOCATION & WIRE DRESSING 43” RECEIVER BOARD POW ER BOARD MAIN BOARD REF. DESCRIPTION QUANTITY VA Tape ( 15mmx110mm) Clamp...
  • Page 16: Exploded View And Part List

    EXPLODED VIEW & PART LIST 43” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 17 EXPLODED VIEW & PART LIST 43” SET PART LIST REF. REMARKS PART NO. DESCRIPTION Printed Circuit Board, incl. capacitors A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM 1-010-537-41 GL17B-STATIC CONVERTER (TV) Internal Power Supply A-5077-402-A P-MOD (YLEM043CCO01)(SVC) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 18 EXPLODED VIEW & PART LIST 43” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-024-262-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-020-264-12 CN800(B)-CN6401(G)(1) 1-024-261-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-020-268-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-020-270-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 19 DISASSEMBLY & REMOVAL CAUTION 50” REAR COVER 1. Remove the screws from the Rear Cover (4 pcs) 2. Unhook the bottom hook, starting from center. <2> <1> ① Unhook two hooks closest to center simultaneously to prevent lock back. ② Unhook both hooks using coin or jig. (Refer to the next page for the location of hooks) ③...
  • Page 20 DISASSEMBLY & REMOVAL CAUTION 50” REAR COVER Bottom hook position 49mm 102mm 293mm 114mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover ②...
  • Page 21 DISASSEMBLY & REMOVAL CAUTION 50” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 3 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 22 DISASSEMBLY & REMOVAL CAUTION 50” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. <2> Total Rear Cover back chassis hooks : 3 hooks <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to remove ③...
  • Page 23 DISASSEMBLY & REMOVAL CAUTION 50” REAR COVER 6. Unhook top row. Total hooks (top row): 6 hooks ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. Hook positioning.
  • Page 24 BOARD LOCATION & WIRE DRESSING 50” RECEIVER BOARD POW ER BOARD MAIN BOARD REF. DESCRIPTION QUANTITY VA Tape ( 15mmx110mm) Clamp...
  • Page 25 EXPLODED VIEW & PART LIST 50” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 26 EXPLODED VIEW & PART LIST 50” SET PART LIST REF. REMARKS PART NO. DESCRIPTION Printed Circuit Board, incl. capacitors A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM 1-010-536-41 GL16B-STATIC CONVERTER (TV) Internal Power Supply A-5077-401-A P-MOD (YLEM050CCO01)(SVC) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 27 EXPLODED VIEW & PART LIST 50” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-024-262-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-020-273-12 CN800(B)-CN6401(G)(1) 1-024-269-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-024-264-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-024-266-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 28 DISASSEMBLY & REMOVAL CAUTION 55” REAR COVER 1. Remove the screws from the Rear Cover (5 pcs) 2. Unhook the bottom hook, starting from center. <1> <2> ① Unhook two hooks closest to center simultaneously to prevent lock back. (Refer to the next page for the ②...
  • Page 29 DISASSEMBLY & REMOVAL CAUTION 55” REAR COVER Bottom hook position 42mm 325mm 162mm 86mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover ②...
  • Page 30 DISASSEMBLY & REMOVAL CAUTION 55” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 4 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 31 DISASSEMBLY & REMOVAL CAUTION 55” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. <2> Total Rear Cover back chassis hooks : 4 hooks <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to remove ③...
  • Page 32 DISASSEMBLY & REMOVAL CAUTION 55” REAR COVER 6. Unhook top row. Total hooks (top row): 6 hooks ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. Hook positioning.
  • Page 33 BOARD LOCATION & WIRE DRESSING 55” RECEIVER BOARD POW ER BOARD REF. DESCRIPTION QUANTITY MAIN BOARD VA Tape (70mmx15mm) Conductive Tape (90mmx15mm) VA Tape ( 120mmx15mm) Clamp Clamper...
  • Page 34 EXPLODED VIEW & PART LIST 55” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 35 EXPLODED VIEW & PART LIST 55” SET PART LIST REF. REMARKS PART NO. DESCRIPTION A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM Printed Circuit Board, incl. capacitors 1-004-422-22 GL01B-STATIC CONVERTER (TV) Internal Power Supply A-5077-398-A P-MOD (YLEM055CCO01)(SVC) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 36 EXPLODED VIEW & PART LIST 55” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-020-289-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-023-940-11 CN800(B)-CN6401(G)(1) 1-024-272-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-020-283-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-020-285-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 37 DISASSEMBLY & REMOVAL CAUTION 65” REAR COVER 1. Remove the screws from the Rear Cover (5 pcs) 2. Unhook the bottom hook, starting from center. ① Unhook two hooks closest to center simultaneously <1> <2> to prevent lock back. (Refer to the next page for the ②...
  • Page 38 DISASSEMBLY & REMOVAL CAUTION 65” REAR COVER Bottom hook position 108mm 172mm 56mm 135mm 253mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover corner and ②...
  • Page 39 DISASSEMBLY & REMOVAL CAUTION 65” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 4 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 40 DISASSEMBLY & REMOVAL CAUTION 65” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. <2> Total Rear Cover back chassis hooks : 4 hooks <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to remove ③...
  • Page 41 DISASSEMBLY & REMOVAL CAUTION 65” REAR COVER 6. Unhook top row. Total hooks (top row): 7 hooks ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. Hook positioning.
  • Page 42 BOARD LOCATION & WIRE DRESSING 65” RECEIVER BOARD REF. DESCRIPTION QUANTITY POW ER BOARD VA Tape (15mmx70mm) Conductive Tape MAIN BOARD (90mmx15mm) VA Tape ( 15mmx120mm) Clamp M-Clamp...
  • Page 43 EXPLODED VIEW & PART LIST 65” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 44 EXPLODED VIEW & PART LIST 65” SET PART LIST REF. REMARKS PART NO. DESCRIPTION A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM Printed Circuit Board, incl. capacitors 1-004-423-51 GL02-STATIC CONVERTER (TV) Internal Power Supply A-5077-395-A P-MOD (YLEM065CCO01)(SVC) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 45 EXPLODED VIEW & PART LIST 65” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-020-297-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-020-286-11 CN800(B)-CN6401(G)(1) 1-024-272-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-023-718-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-023-720-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 46 DISASSEMBLY & REMOVAL CAUTION 75” REAR COVER 1. Remove the screws from the Rear Cover (5 pcs) 2. Unhook the bottom hook, starting from center. ① Unhook two hooks closest to center simultaneously <1> <2> to prevent lock back. (Refer to the next page for the ②...
  • Page 47 DISASSEMBLY & REMOVAL CAUTION 75” REAR COVER Bottom hook position 80mm 137mm 313mm 157mm 150mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover ②...
  • Page 48 DISASSEMBLY & REMOVAL CAUTION 75” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 4 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 49 DISASSEMBLY & REMOVAL CAUTION 75” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. <2> Total Rear Cover back chassis hooks : 4 hooks <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to remove ③...
  • Page 50 DISASSEMBLY & REMOVAL CAUTION 75” REAR COVER 6. Unhook top row. Total hooks (top row): 8 hooks ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. Hook positioning.
  • Page 51 BOARD LOCATION & WIRE DRESSING 75” RECEIVER BOARD REF. DESCRIPTION QUANTITY POW ER BOARD VA Tape (15mmx70mm) MAIN BOARD Conductive Tape (90mmx15mm) VA Tape ( 15mmx120mm) Clamp M-Clamp...
  • Page 52 EXPLODED VIEW & PART LIST 75” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 53 EXPLODED VIEW & PART LIST 75” SET PART LIST REF. REMARKS PART NO. DESCRIPTION A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM Printed Circuit Board, incl. capacitors 1-009-802-51 GL14C-STATIC CONVERTER (TV) Internal Power Supply A-5078-506-A P-MOD (YLEM075CCO02)(SVC) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 54 EXPLODED VIEW & PART LIST 75” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-024-274-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-020-263-11 CN800(B)-CN6401(G)(1) 1-024-272-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-020-283-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-020-285-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 55 DISASSEMBLY & REMOVAL CAUTION 85” REAR COVER 1. Remove the screws from the Rear Cover (5 pcs) 2. Unhook the bottom hook, starting from center. ① Unhook two hooks closest to center simultaneously <1> <2> to prevent lock back. (Refer to the next page for the ②...
  • Page 56 DISASSEMBLY & REMOVAL CAUTION 85” REAR COVER Bottom hook position 91mm 165mm 303mm 190mm 199mm 3. Unhook corner hook. Ruler or jig to release corner hook *Wrap ruler with tape to prevent scratch ① Releasing the corner hook by pulling the Rear Cover ②...
  • Page 57 DISASSEMBLY & REMOVAL CAUTION 85” REAR COVER 4. Unhook left side hooks. Total Rear Cover back chassis : 5 hooks ① Grip the Rear Cover by hand and use a ruler or jig to remove the hook ② Flex the Rear Cover outward to remove the hook. Support set with arm. of the Rear Cover back chassis.
  • Page 58 DISASSEMBLY & REMOVAL CAUTION 85” REAR COVER 5. Unhook right side hooks. Total side bracket hooks : 3 hooks. For 85 Total Rear Cover back chassis hooks :5 hooks <2> <1> ① Remove the side hooks. ② Pull the Rear Cover below the side jack to remove ③...
  • Page 59 DISASSEMBLY & REMOVAL CAUTION 85” REAR COVER 6. Unhook top row. Total hooks (top row): 9 hooks ① Tilt the Rear Cover and push upwards on the left and right side. ② Pull the Rear Cover below the side jack to remove the upper hook. 115mm 205mm 210mm 210mm...
  • Page 60 BOARD LOCATION & WIRE DRESSING 85” RECEIVER BOARD POW ER BOARD REF. DESCRIPTION QUANTITY VA Tape MAIN BOARD (15mmx70mm) Conductive Tape (90mmx15mm) VA Tape ( 15mmx120mm) Clamp M-Clamp...
  • Page 61 EXPLODED VIEW & PART LIST 85” • Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts.  (*) Parts are not stocked since they are seldom required for routine service. Some delays should be anticipated when ordering these components.
  • Page 62 EXPLODED VIEW & PART LIST 85” SET PART LIST REF. REMARKS PART NO. DESCRIPTION A-5078-469-A COMPL_SVC_BT6Y68_UE2_AEP SOEM Printed Circuit Board, incl. capacitors 1-004-424-71 GL03D-STATIC CONVERTER (TV) Internal Power Supply A-5077-341-A P-MOD (YLEM085CCU02) Liquid Crystal Display OTHERS PART REFERENCE PART NO. DESCRIPTION REMARKS 1-012-952-11...
  • Page 63 EXPLODED VIEW & PART LIST 85” CONNECTOR REF. PART NO. DESCRIPTION REMARKS 1-006-517-11 CONNECTOR ASSY 4P (SP) CN3550(B)-SP(1) CONNECTOR ASSY 30P 1-006-518-11 CN800(B)-CN6401(G)(1) 1-024-275-11 FLEXIBLE FLAT CABLE 45P CN1200(B)-CN101(H)(1) 1-020-368-11 FLEXIBLE FLAT CABLE 68P (R) CN4202(B)-SOURCE BOARD(1) 1-020-370-11 CN4201(B)-SOURCE BOARD(1) FLEXIBLE FLAT CABLE 68P (L)
  • Page 64 Sony EMCS (Malaysia) Sdn. Bhd. English HES-M 9-888-926-41 © 2025...

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K-50s3K-55s3K-65s3K-75s3K-85s3

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