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Sony KLV-40S400A Service Manual
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Ver.
1.0
1.1
1.2
1.3
CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291
MODIFICATION HISTORY
DATA
2008.04
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Addition of KLV-40S400A Model.
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MODEL NAME :
SERVICE MANUAL
PARTS No. : 9-888-205-04
CONTENTS
1-10,
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KLV-20/32/37/40S400A
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3-16)

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Summary of Contents for Sony KLV-40S400A

  • Page 1 KLV-20/32/37/40S400A MODEL NAME : SERVICE MANUAL PARTS No. : 9-888-205-04 * Blue characters are linking. Ver. DATA CONTENTS 2008.04 Issued 2008.05 Addition of KLV-40S400A Model. 1-10, 2-1, 2-2, 3-8, 3-16) 2008.06 2008.06 Addition of KLV-20S400A Model. A A d Addi...
  • Page 2 KLV-20S400A/32S400A/37S400A/40S400A China Model SERVICE MANUAL RM-SA014/SA014W KLV-20S400A 20S4 S400 KLV-32S400A/37S400A/40S400A EG1L CHASSIS LCD Colour TV CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 3: Specifications

    SPECIFICATIONS Model name KLV-40S400A KLV-37S400A KLV-32S400A KLV-20S400A System Panel System LCD (Liquid Crystal Display) Panel TV System D/K, I, B/G, M Colour System PAL, PAL60, SECAM, NTSC4.43, NTSC3.58 Channel Coverage D/K: VHF: C1 to C12, R1 to R12/ UHF: C13 to C57, R21 to R60/ CATV: S01 to S03, S1 to S41,...
  • Page 4 KLV-40S400A KLV-37S400A KLV-32S400A KLV-20S400A Design and specifications are subject to change without notice. specificati KLV-20/32/37/40S400A (CH) CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 5: Warnings And Cautions

    1) Do not press on the panel or frame edge to avoid the risk of electric shock. Replace all components with Sony parts whose part numbers ponents with 2) Do not scratch or press on the panel with any sharp objects.
  • Page 6 SAFETY CHECK-OUT After correcting the original service problem, perform the Leakage Test following safety checks before releasing the set to the customer: The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part 1.
  • Page 7: Self Diagnosis Function

    SELF DIAGNOSIS FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
  • Page 8 1-2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT [ FLASH COUNT ] < KLV-32/37/40S400A > 2 times 4 times 5 times LED ON 0.3 sec. LED OFF LED OFF 0.3 sec. 2 sec. Note: One flash counts is not self-diagnostic. < KLV-20S400A > >...
  • Page 9: Table Of Contents

    2-2. CIRCUIT BOARDS LOCATION ......3-2 (1) KLV-32S400A ..........3-2 1. DISASSEMBLY ..........1-1 (2) KLV-37S400A ..........3-2 1-1. KLV-32S400A ............1-1 (3) KLV-40S400A ..........3-2 1-1-1. REAR COVER ASSY AND STAND ASSY (4) KLV-20S400A ..........3-2 REMOVAL ............1-1 3. EXPLODED VIEWS ........3-1 1-1-2.
  • Page 10: Disassembly

    SECTION 1 DISASSEMBLY 1-1. KLV-32S400A 1-1-1. REAR COVER ASSY AND STAND ASSY REMOVAL 4 One screw (+PSW M5X16) 3 Eleven screws (+BVTP2 4X16) 3 Five screws (+BVTP2 4X16) 5 Two screws 6 Two screws (+PSW M3X5) (+BV 3X12) 1 Three screws (+PSW M5X16) 2 Stand assy 7 Rear cover assy...
  • Page 11: Klv-32S400A

    KLV-32S400A 1-1-2. BG1 BOARD REMOVAL 2 Connector assy 3 Three screws 3 Four screws 14p+20p (+BVST 3X8) (+BVST 3X8) 1 Bracket side jack assy 4 BG1 board Claw 5 One screw (+BV 3X12) Claw 7 Main bracket assy 6 Two screws (+BVST 3X8) +BVS 1-1-3.
  • Page 12: Frame Removal

    英华家电维修软件专用 购买联系QQ:505966338 KLV-32S400A 1-1-4. FRAME REMOVAL 4 Two screws (+PSW M4X8) 6 Spine frame (L) 4 One screw assy (+PSW M4X8) 5 One screw 7 Two screws (+BVTP2 4X16) (+PSW M4X8) 9 Spine frame (R) assy 2 Two screws 7 One screw (+BVST 3X8) (+PSW M4X8) 8 One screw...
  • Page 13: Speaker And Hg4 Board

    KLV-32S400A 1-1-5. SPEAKER AND HG4 BOARD REMOVAL 1 Loudspeaker 2 Loudspeaker 4 HG4 board 3 Two screws (+BV 3X12) 5 Light guide Claws 1-1-6. LCD PANEL REMOVAL 1 Harness with connector 3 LCD panel anel (LVDS) 2 Two screws 2 Two crew (+BVTP2 4X16) (+BVTP2...
  • Page 14 1-2. KLV-37S400A 1-2-1. REAR COVER ASSY AND STAND ASSY REMOVAL 1 Two screws 2 Four screws 1 Four screws (+BVTP2 4X16) (+PSW M5x12) (+BVTP2 4X16) 1 Five screws 4 Two screws 1 Four screws (+BVTP2 4X16) +BVT VTP2 3 Two screws (+PSW M3X5) (+BVTP2 4X16) (+BV 3X12)
  • Page 15: Klv-37S400A

    KLV-37S400A 1-2-2. BG1 BOARD REMOVAL 2 Connector assy 3 Four screws 3 Three screws 14p+20p (+BVST 3X8) (+BVST 3X8) 1 Bracket side jack assy 4 BG1 board 7 One screw Claw (+BVST 3X8) Claw 8 Main bracket 5 One screw (+BVST 3X8) 7 One screw crew...
  • Page 16: Frame Removal

    KLV-37S400A 1-2-4. FRAME REMOVAL 1 Two screws (+PSW M4X8) 2 Vesa frame 3 Three screws (TOP) assy (+PSW M5X8) 5 Spine frame 4 One screw (+BVTP2 4X16) 6 Two screws (+PSW M4X8) 7 Vesa frame (TOP) assy 8 Three screws 8 Three screw qd Three screws (+PSW M5X8)
  • Page 17: Speaker Removal

    KLV-37S400A 1-2-5. SPEAKER REMOVAL 1 Loudspeaker 2 Loudspeaker 1-2-6. LCD PANEL REMOVAL 1 Two screws 2 LCD panel (+BVTP2 4X16) 1 Four screws (+BVTP2 4X16) KLV-20/32/37/40S400A (CH) CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 18: Cabinet And Hg4 Board Removal

    KLV-37S400A 1-2-7. CABINET AND HG4 BOARD REMOVAL 1 Three screws (+BV 3X12) 2 Bezel 1 Three screws (+BV 3X12) 3 Two screws (+BV 3X12) 4 HG4 board 5 Light guide Claws 6 Cabinet KLV-20/32/37/40S400A (CH) CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 19 1-3. KLV-40S400A 1-3-1. REAR COVER ASSY AND STAND ASSY REMOVAL 3 Two screws 4 Four screws 3 Four screws (+BVTP2 4X16) (+PSW M5X16) (+BVTP2 4X16) 3 Five screws 5 Two screws 3 Four screws (+BVTP2 4X16) +BVT 6 Two screws...
  • Page 20: Klv-40S400A

    KLV-40S400A 1-3-2. BG1 AND IP5 BOARDS REMOVAL 6 Five screws 6 Three screws (+BVST 3X8) (+BVST 3X8) 7 BG1 board 2 IP5 board 1 Three screws 1 Three screws 5 Bracket side jack assy (+BVST 3X8) (+BVST 3X8) Claw 8 One screw...
  • Page 21 KLV-40S400A 1-3-4. FRAME REMOVAL 3 Two screws (+PSW M5X8) 4 Vesa frame (BTM) 1 Two screws 9 Two screws assy (+PSW M5X8) (+PSW M5X8) 7 Two screws (+PSW M5X8) 0 Vesa frame (BTM) 8 Vesa frame 2 Vesa frame (TOP)
  • Page 22: Speaker Removal

    KLV-40S400A 1-3-5. SPEAKER REMOVAL 1 Loudspeaker 2 Loudspeaker 1-3-6. LCD PANEL REMOVAL 1 LCD panel 2 Bezel assy KLV-20/32/37/40S400A (CH) 1-13 CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 23: Cabinet And Hg4 Board

    KLV-40S400A 1-3-7. CABINET AND HG4 BOARD REMOVAL 1 Three screws (+BV 3X12) 6 Bezel 1 Three screws (+BV 3X12) 3 Two screws (+BV 3X12) 4 HG4 board 5 Light guide Claws 2 Cabinet KLV-20/32/37/40S400A (CH) 1-14 CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 24: Klv-20S400A

    1-4. KLV-20S400A 1-4-1. REAR COVER, STAND ASSY AND H1S BOARD REMOVAL 1 Two screws (+PSW M4X12) 2 Stand assy 7 Two screws 6 Two screws (+BVTP2 4X20 (S)) 3 Two screws (+BV 3X12) (+BV 3X12) 6 Three screws (+BV 3X12) 4 AC cover 7 Two screws 8 Four screws...
  • Page 25 KLV-20S400A 1-4-3. GD BOARD AND BOTTOM FRAME REMOVAL 1 Power supply cord 2 Four screws (+PSW 3SG) 3 GD board 4 GD bracket 6 Bottom frame 5 One screw (+PSW M4X8) +PSW KLV-20/32/37/40S400A (CH) 1-16 CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 26 KLV-20S400A 1-4-4. INVERTER BOARD AND LCD BRACKET REMOVAL 1 Two screws 1 Two screws (+BVST 3X8) (+BVST 3X8) 2 Inverter shield 3 One screw 3 Two screws (+BVST 3X8) (+BVST 3X8) 7 Four screws 4 Inverter board (+PSW M4X8) 6 Two screws (+BVTP2 4X16) 5 One screw (+BVST 3X8)
  • Page 27 KLV-20S400A 1-4-5. SPEAKER AND H3S BOARD REMOVAL 1 Loudspeaker 2 Loudspeaker 3 H3S board Claw 1-4-6. LCD PANEL REMOVAL 1 LCD panel 2 Bezel assy KLV-20/32/37/40S400A (CH) 1-18E CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 30: Exploded Views

    SECTION 3 EXPLODED VIEWS NOTE: • Items with no part number and no description are not stocked because they are seldom required for roution service. • The construction parts of an assembled part are indicated with a collation number in the remark colum.
  • Page 31: Rear Cover Assy And Stand Assy

    3-1. KLV-32S400A 3-1-1. REAR COVER ASSY AND STAND ASSY REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK ! X-2190-342-1 REAR COVER (32) ASSY 2-580-640-01 SCREW, +BVTP2 4X16 3-283-459-11 COVER, ECS 2-580-590-01 SCREW, +PSW M3X5 3-700-520-01 REAR TERMINAL LABEL 2-580-608-01 SCREW, +PSW M5X16 7-685-648-79...
  • Page 32: Chassis-1

    KLV-32S400A 3-1-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 2-580-600-01 SCREW, +PSW M4X8 1-910-043-53 CONNECTOR ASSY 14P+20P 4-022-115-00 HOLDER, AC CORD 2-580-626-01 SCREW, SP 4-4O UNC ! A-1539-154-A GP COMPL 1-543-798-11 FILTER, CLAMP (FERRITE CORE) ! 3-290-405-01 COVER, UNDER (32) 2-674-965-31...
  • Page 33: Chassis-2

    KLV-32S400A 3-1-3. CHASSIS-2 102 2 103 3 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2190-341-1 BEZEL (32) ASSY 2-580-640-01 SCREW, +BVTP2 4X16 3-290-408-01 GUIDE, LIGHT 1-966-100-21 HARNESS WITH CONNECTOR (LVDS) A-1540-466-A HG4 MOUNT 2-580-600-01 SCREW, +PSW M4X8 1-826-648-21 LOUD SPEAKER (4.2X15CM) 105 ! 1-802-653-12...
  • Page 34: Klv-37S400A

    3-2. KLV-37S400A 3-2-1. REAR COVER ASSY AND STAND ASSY #1 157 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2190-350-1 REAR COVER (37) ASSY 2-580-640-01 SCREW, +BVTP2 4X16 3-283-459-11 COVER, ECS 2-580-590-01 SCREW, +PSW M3X5 X-2190-351-1 STAND (ML-2) ASSY 2-580-608-01 SCREW, +PSW M5X16...
  • Page 35: Chassis-1

    KLV-37S400A 3-2-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 1-480-851-11 SWITCH UNIT A-1542-787-A BG1 MOUNT 4-022-115-00 HOLDER, AC CORD 1-910-043-64 CONNECTOR ASSY 14P+20P 203 ! X-2318-763-1 COVER, UNDER (37) ASSY 1-966-102-21 HARNESS WITH CONNECTOR (LVDS) 1-543-798-11 FILTER, CLAMP (FERRITE CORE) 2-580-629-01...
  • Page 36: Chassis-2

    KLV-37S400A 3-2-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 256 ! 1-802-622-11 X-2318-383-1 CABINET (37) ASSY LCD PANEL (37INCH WXGA TFT) A-1549-730-A HG4A MOUNT 2-580-640-01 SCREW, +BVTP2 4X16 3-290-408-01 GUIDE, LIGHT 2-580-606-01 SCREW, +PSW M5X8 1-826-648-21 LOUD SPEAKER (4.2X15CM) 2-580-600-01...
  • Page 37: Klv-40S400A

    3-3. KLV-40S400A 3-3-1. REAR COVER ASSY AND STAND ASSY #1 303 30 3 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 2-580-640-01 SCREW, +BVTP2 4X16 3-700-520-01 REAR TERMINAL LABEL 2-580-608-01 SCREW, +PSW M5X16 X-2190-351-1 STAND (ML-2) ASSY...
  • Page 38: Chassis-1

    KLV-40S400A 3-3-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 1-480-851-11 SWITCH UNIT * 1-835-147-11 CONNECTOR ASSY, MDF61 352 ! 1-821-909-11 362 ! X-2318-764-1 AC INLET COVER, UNDER (40) ASSY 2-596-649-01 +KTT 3X10 (S TYPE)
  • Page 39: Chassis-2

    KLV-40S400A 3-3-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 406 ! 1-802-652-11 X-2318-384-1 CABINET (40) ASSY LCD PANEL (40 FHD TFT) 3-290-408-01 GUIDE, LIGHT 2-580-600-01 SCREW, +PSW M4X8 A-1540-466-A HG4 MOUNT 2-580-606-01 SCREW, +PSW M5X8...
  • Page 40: Klv-20S400A

    3-4. KLV-20S400A 3-4-1. REAR COVER ASSY AND STAND ASSY 51 4 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 4-107-012-01 BUTTON, MULTI (B) 2-580-602-01 SCREW, +PSW M4X12 452 ! X-2318-946-1 REAR COVER (20) ASSY 2-595-155-11 CLAMP 3-398-903-01 SCREW, BVTP2 4X20 (S) X-2319-195-1...
  • Page 41: Chassis-1

    KLV-20S400A 3-4-2. CHASSIS-1 511 5 5 5 1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 4-107-011-01 BRACKET, BUTTON (B) 2-674-965-31 SCREW, +PSW 3SG A-1535-210-A H1S MOUNT A-1507-971-B GD COMPL 1-966-096-21 HARNESS WITH CONNECTOR (LVDS) * 1-789-902-11 MOUNTED BOARD 2-580-640-01 SCREW, +BVTP2 4X16...
  • Page 42: Chassis-2

    KLV-20S400A 3-4-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2318-945-1 BEZEL (20TN/S), ASSY (SILVER) X-2318-998-1 BEZEL (20TN/P), ASSY (PINK) X-2318-999-1 BEZEL (20TN/O), ASSY (ORANGE) X-2319-000-1 BEZEL (20TN/G), ASSY (GREEN) X-2319-001-1 BEZEL (20TN/B), ASSY (BLUE) 1-826-871-11 LOUDSPEAKER (4X10CM) A-1535-208-A H3S MOUNT...
  • Page 43: Packing Materials

    3-5. PACKING MATERIALS 3-5-1. KLV-32S400A REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 3-700-199-01 CUSHION LOWER 3-700-200-01 INDIVIDUAL CARTON 3-700-012-02 BAG, PROTECTION 1-480-721-11 REMOTE COMMANDER (RM-SA014) 3-300-369-11 MANUAL, INSTRUCTION 3-700-198-01 CUSHION UPPER KLV-20/32/37/40S400A (CH) 3-14 CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 44: Klv-40S400A

    3-5-2. KLV-37S400A REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 3-700-216-01 CUSHION, LOWER 1-480-721-11 REMOTE COMMANDER (RM-SA014) 3-300-369-11 MANUAL, INSTRUCTION 3-700-215-01 CUSHION, UPPER 3-700-224-01 INDIVIDUAL CARTON KLV-20/32/37/40S400A (CH) 3-15 CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 45 3-5-3. KLV-40S400A REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK * 3-874-970-01 CUSHION LOWER * 3-874-971-01 INDIVIDUAL CARTON 702 ! 1-835-188-11 POWER-SUPPLY CORD 1-480-721-11 REMOTE COMMANDER (RM-SA014) 704 ! 3-300-369-12 MANUAL INSTRUCTION * 3-874-969-01 CUSHION UPPER...
  • Page 46 3-5-4. KLV-20S400A REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK * 4-105-244-01 INDIVIDUAL CARTON * 4-105-246-01 CUSHION LOWER 753 ! 3-875-824-11 MANUAL, INSTRUCTION 1-480-721-21 REMOTE COMMANDER (RM-SA014W) * 4-105-245-01 CUSHION UPPER KLV-20/32/37/40S400A (CH) 3-17E CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...
  • Page 47 English Sony EMCS Corporation 2008JL08-Data Made in Japan Inazawa TEC © 2008. 10 9-888-205-04 KLV-20/32/37/40S400A (CH) CEF85B75C8FE03FE27E5B2DD5FD4FC580DC2CA3BBC3A6D83C1CF4C5136771FAAA0EBB39665D65291...

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