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Sony KLV-40V440A Service Manual
Sony KLV-40V440A Service Manual

Sony KLV-40V440A Service Manual

Sony lcd colour tv service manual

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KLV-40V440A/46V440A/52V440A

SERVICE MANUAL

China Model
RM-SA014
KLV-40V440A/46V440A/52V440A
EX1
CHASSIS
LCD Colour TV
D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15

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Summary of Contents for Sony KLV-40V440A

  • Page 1: Service Manual

    KLV-40V440A/46V440A/52V440A SERVICE MANUAL China Model RM-SA014 KLV-40V440A/46V440A/52V440A CHASSIS LCD Colour TV D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 2: Specifications

    SPECIFICATIONS Model name KLV-52V440A KLV-46V440A KLV-40V440A System LCD (Liquid Crystal Display) Panel Panel System TV System B/G, I, D/K, M PAL, PAL60, SECAM, NTSC 3.58, NTSC 4.43 (only Video In) Colour System Channel Coverage B/G: VHF: E2 to E12/ UHF: E21 to E69/ CATV: S01 to S03, S1 to S41...
  • Page 3 Model name KLV-52V440A KLV-46V440A KLV-40V440A Design and specifications are subject to change without notice. PC Input Signal Reference Chart Horizontal Vertical Signals Horizontal (Pixel) Vertical (Line) Standard frequency frequency (Hz) (kHz) 31.5 37.5 VESA 31.5 VGA-T SVGA 37.9 VESA Guidelines 46.9...
  • Page 4: 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 2) Do not scratch or press on the panel with any sharp objects. appear as shown in this manual or in supplements 3) Do not leave the module in high temperatures or in areas of published by Sony.
  • Page 5: Safety Check-Out

    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 6: 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 7 1-4. SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for confirmation on the screen: 1-4-1. To Bring Up Screen Test In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below: * : Note that this differs from entering the service mode (volume +) [ SELF-DIAGNOSTIC SCREEN DISPLAY ]...
  • Page 8: Table Of Contents

    TABLE OF CONTENTS SAFETY CHECK-OUT ..........5 3. EXPLODED VIEWS ........3-1 3-1. KLV-40V440A ............3-2 SELF DIAGNOSIS FUNCTION ........ 6 3-1-1. REAR COVER AND STAND ASSY ..... 3-2 3-1-2. CHASSIS-1 ............3-3 1. DISASSEMBLY ..........1-1 3-1-3. CHASSIS-2 ............3-4 1-1.
  • Page 9 KLV-40/46/52V440A (CH) D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 10: Disassembly

    SECTION 1 DISASSEMBLY 1-1. KLV-40V440A 1-1-1. REAR COVER AND STAND ASSY REMOVAL 3 Six screws (+BVTP2 4X16) 4 Two screws (+PSW M5X8) 6 Two screws 4 Two screws (+BV 3X12, (+PSW M5X8) TYPE2, IT-3) 3 Five screws 3 Four screws...
  • Page 11: Ac Inlet And Under Cover Removal

    KLV-40V440A 1-1-2. AC INLET AND UNDER COVER REMOVAL 2 Under bar (L) 1 Two screws (+BVTP2 4X16) 7 Two screws (+BVST 3X8) 5 Two screws 8 AC inlet bracket (+KTT 3X10(S TYPE)) 3 One screw (+BVST 3X8) 6 AC inlet...
  • Page 12: Bg1G Board And Ip5 Board Removal

    KLV-40V440A 1-1-3. BG1G BOARD AND IP5 BOARD REMOVAL 3 Two screws (+BVST 3X8) B(G)shild 7 Four screws BG1G board (+BVST 3X8) 7 Five screws (+BVST 3X8) 5 Side jack bracket assy 2 IP5 board 1 Three screws 6 MS cover...
  • Page 13: Frame Removal

    KLV-40V440A 1-1-4. FRAME REMOVAL 3 Two screws (+BVST 3X8) 4 Vesa frame (BTM) assy 1 Two screws 0 Two screws (+BVST 3X8) (+PSW M5X8) 8 Two screws (+PSW M5X8) qa Vesa frame (BTM) 9 Vesa frame assy 2 Vesa frame (TOP)
  • Page 14: Speaker (L) Removal

    KLV-40V440A 1-1-5. SPEAKER (L) REMOVAL 1 Loudspeaker (3CM, 5.8X12.6CM) 2 Speaker cushion Both Both 1-1-6. SPEAKER (R) REMOVAL 1 Loudspeaker (3CM, 5.8X12.6CM) Both 2 Speaker cushion Both KLV-40/46/52V440A (CH) D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 15: Lcd Panel, H3E Board And H4 Board Removal

    KLV-40V440A 1-1-7. LCD PANEL, H3E BOARD AND H4 BOARD REMOVAL 7 LCD panel (40INCH FHD TFT) 1 H3E board 6 Illumination module 2 H4 board 3 One screw (+BVTP 3X12) Both 4 Light guide 5 Clear (M) panel Both 9 Bezel assy (40)
  • Page 16: Wiring Layout

    KLV-40V440A 1-1-8. WIRING LAYOUT SWITCH UNIT T-CON CN102 CN6154 CN6151 CN6700 CN6150 INVERTER CN4001 CN4000 IP5 board CN5501 CN8001 CN6706 CN5500 CN104 CN3004 BG1G board CN6000 AC inlet CN101 CN3003 CN2001 Speaker (R) Speaker (L) CN401 H4 board ILLUMINATION MODULE...
  • Page 17: Klv-46V440A

    1-2. KLV-46V440A 1-2-1. REAR COVER AND STAND ASSY REMOVAL 1 Six screws (+BVTP2 4X16) 2 Two screws (+PSW M5X8) 4 Two screws (+BVST 3X8) 1 Eleven screws 1 Six screws (+BVTP2 4X16) (+BVTP2 4X16) 3 Two screws (+PSW M5X16) 6 Three screws (+PSW M5X16) 7 Stand assy (L) 5 Rear cover (46) assy...
  • Page 18: Ac Inlet And Under Cover Removal

    KLV-46V440A 1-2-2. AC INLET AND UNDER COVER REMOVAL 2 Under bar (L) 1 Two screws 7 Two Sscrews (+BVTP2 4X16) (+BVST 3X8) 8 AC inlet bracket 5 Two screws (+KTT 3X10) 6 AC inlet 3 One screws (+BVST 3X8) 4 Under cover (L2) KLV-40/46/52V440A (CH) D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 19: Bg1G Board And Ip5 Board Removal

    KLV-46V440A 1-2-3. BG1G BOARD AND IP5 BOARD REMOVAL 5 Two screws (+BVST 3X8) 6 B(G) shield 8 Six screws (+BVST 3X8) 8 Three screws 9 BG1G board (+BVST 3X8) 7 Side jack 4 IP5 board bracket assy qs Two screws (+BVST 3X8) 3 Three screws 3 Three screws...
  • Page 20: Frame Removal

    KLV-46V440A 1-2-4. FRAME REMOVAL 7 Two screws (+PSW M5X8) 1 One screw 8 Vesa frame (BTM) assy 3 Two screws (+BVST 3X8) (+PSW M5X8) 5 Two scxrews (+PSW M5X8) 2 Center frame 6 Vesa frame (BTM) assy qa Five screws 9 Five screws (+PSW M5X8) (+PSW M5X8)
  • Page 21: Speaker (L) Removal

    KLV-46V440A 1-2-5. SPEAKER (L) REMOVAL 1 Loudspeaker (3CM, 6.5X15CM) 2 Speaker cushion Both Both 1-2-6. SPEAKER (R) REMOVAL 1 Loudspeaker (3CM, 6.5X15CM) Both 2 Speaker cushion Both KLV-40/46/52V440A (CH) 1-12 D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 22: Lcd Panel, H3E Board And H4 Board Removal

    KLV-46V440A 1-2-7. LCD PANEL, H3E BOARD AND H4 BOARD REMOVAL 7 LCD panel (46INCH FHD TFT) 1 H3E board 2 H4 board 3 One screw (+BVTP 3X12) 6 Illumination module 4 Light guide Both 5 Clear (M) panel Both 8 Bezel assy (46) KLV-40/46/52V440A (CH) 1-13 D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 23: Wiring Layout

    KLV-46V440A 1-2-8. WIRING LAYOUT SWITCH UNIT T-CON CN6154 CN6151 INVERTER CN6700 CN6150 CN4001 CN4000 IP5 board CN5501 CN8001 CN6706 CN5500 CN125 CN3004 CN6000 BG1G board AC inlet CN128 CN3003 CN2001 Speaker (L) Speaker (R) H4 board CN401 ILLUMINATION MODULE H3E board CN301 KLV-40/46/52V440A (CH) 1-14...
  • Page 24: Klv-52V440A

    1-3. KLV-52V440A 1-3-1. REAR COVER AND STAND ASSY REMOVAL 3 Six screws (+BVTP2 4X16) 5 Four screws (+PSW M5X8) 3 Seven screws (+BVTP2 4X16) 3 Six screws (+BVTP2 4X16) 6 One screw 4 Two screws (+BVTP 3X12) (+PSW M5X16) 1 Four screws (+PSW M5X16) 2 Stand assy (L) 7 Rear cover (52) assy...
  • Page 25: Ac Inlet And Under Cover Removal

    KLV-52V440A 1-3-2. AC INLET AND UNDER COVER REMOVAL 5 Two screws 2 Under bar (L) (+KTT 3X10 1 Two screws (+BVTP2 4X16) (S TYPE)) 7 Two screws (+BVST 3X8) 8 AC inlet braket 3 One screw 6 AC inlet (+BVST 3X8) 4 Under cover (LL) KLV-40/46/52V440A (CH) 1-16...
  • Page 26: D4, D5, G5 And Bg1B Boards Removal

    KLV-52V440A 1-3-3. D4, D5, G5 AND BG1B BOARDS REMOVAL qj G5 board qh Three screws qf Three screws (+BVST 3X8) (+BVST 3X8) 0 Two screws (+BVST 3X8) qa B(G) shield qd BG1G board (SERVICE) qs Six screws qs Three screws (+BVST 3X8) (+BVST 3X8) 7 Side jack bracket assy...
  • Page 27: Frame Removal

    KLV-52V440A 1-3-4. FRAME REMOVAL 5 Two screws (+PSW M5X8) 3 Two screws (+BVST 3X8) 6 Vesa frame(BTM) 1 One screw assy (+PSW M5X8) 9 Two screws (+PSW M5X8) 2 Center frame 0 Vesa frame (BTM) assy 7 Five screws (+PSW M5X8) qa Five screws 4 G5 frame (+PSW M5X8)
  • Page 28: Speaker (L) Removal

    KLV-52V440A 1-3-5. SPEAKER (L) REMOVAL 1 Loudspeaker (3CM, 6.5X15CM) Both 2 Speaker cushion Both 1-3-6. SPEAKER (R) 1 Loudspeaker (3CM, 6.5X15CM) Both 2 Speaker cushion Both KLV-40/46/52V440A (CH) 1-19 D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 29: Lcd Panel, H3E Board And H4 Board Removal

    KLV-52V440A 1-3-7. LCD PANEL, H3E BOARD AND H4 BOARD REMOVAL 8 LCD panel (52INCH FHD TFT) 7 Two screws (+BVTP2 4X16) 5 Clear (M) panel 1 H3E board 2 H4 board 6 Illumination module 3 One screw (+BVTP 3X12) 4 Light guide Both Both 9 Bezel assy (52)
  • Page 30: Wiring Layout

    KLV-52V440A 1-3-8. WIRING LAYOUT SWITCH UNIT T-CON CN6954 CN07 CN05 D5 board INVERTER CN6900 CN6950 CN01 CN6153 CN6501 CN6500 CN6100 CN6705 CN6150 INVERTER D4 board CN4001 CN4000 G5 board CN5501 CN6154 CN6600 CN8001 CN5500 CN6702 CN6000 CN6706 CN3004 CN6706 BG1G board AC inlet CN11 CN2001...
  • Page 31: Diagrams

    SECTION 2 DIAGRAMS 2-1. CIRCUIT BOARDS LOCATION (1) KLV-40V440A (3) KLV-52V440A D5 board Switch Unit Switch Unit IP5 board Inverter board G5 board BG1G board D4 board BG1G board Inverter board Illumination module H4 board Inverter board Illumination module H3E board...
  • Page 32: Klv-52V440A

    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 33: Klv-40V440A

    3-1. KLV-40V440A 3-1-1. REAR COVER AND STAND ASSY REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 2-580-640-01 SCREW, +BVTP2 4X16 3-398-191-02 REAR, TERMINAL LABEL 2-580-606-01 SCREW, +PSW M5X8 X-2188-083-1 STAND ASSY (ML) 2-580-608-01 SCREW, +PSW M5X16...
  • Page 34: Chassis-1

    KLV-40V440A 3-1-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 1-480-712-11 SWITCH UNIT 3-297-556-01 BAR,UNDER (ML) 1-835-275-11 HARNESS WITH CONNECTOR (LVDS) 2-580-640-01 SCREW, +BVTP2 4X16 2-580-629-01 SCREW, +BVST 3X8 * 1-835-147-11 CONNECTOR ASSY, MDF61 2-580-626-01...
  • Page 35: Chassis-2

    KLV-40V440A 3-1-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2190-379-1 BEZEL ASSY (40EM) 2-580-606-01 SCREW, +PSW M5X8 1-826-888-11 LOUDSPEAKER (3CM,5.8X12.6CM) 1-826-888-21 LOUDSPEAKER (3CM,5.8X12.6CM) 103 ! 1-802-664-11 LCD PANEL (40INCH FHD TFT) A-1510-351-A H4 MOUNT...
  • Page 36: Klv-46V440A

    3-2. KLV-46V440A 3-2-1. REAR COVER AND STAND ASSY REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 2-580-608-01 SCREW, +PSW M5X16 3-283-459-11 COVER, ECS 2-580-640-01 SCREW, +BVTP2 4X16 3-398-191-02 REAR, TERMINAL LABEL 2-580-606-01 SCREW, +PSW M5X8 X-2190-787-1 STAND ASSY (L) 2-580-629-01 SCREW, +BVST 3X8...
  • Page 37: Chassis-1

    KLV-46V440A 3-2-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 1-480-712-11 SWITCH UNIT 3-297-553-01 BRACKET, AC INLET 2-580-606-01 SCREW, +PSW M5X8 3-297-587-01 COVER, UNDER (L2) A-1519-632-A BG1G COMPL 2-580-626-01 SCREW, SP 4-4O UNC 3-297-539-01 BRACKET, SIDE JACK 2-580-590-01 SCREW , +PSW M3X5 3-876-478-01...
  • Page 38: Chassis-2

    KLV-46V440A 3-2-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2190-315-1 BEZEL ASSY (46EM) A-1510-350-A H3E MOUNT 2-694-389-71 CUSHION, SPEAKER A-1510-351-A H4 MOUNT 1-826-887-11 LOUDSPEAKER (3CM, 6.5X15CM) 3-284-139-01 GUIDE, LIGHT 1-826-887-21 LOUDSPEAKER (3CM, 6.5X15CM) 3-284-248-31 PANEL, CLEAR (46) 255 ! 1-802-663-11 LCD PANEL (46INCH FHD TFT)
  • Page 39: Klv-52V440A

    3-3. KLV-52V440A 3-3-1. REAR COVER AND STAND ASSY 303 #1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 2-580-640-01 SCREW, +BVTP2 4X16 3-398-191-02 REAR, TERMINAL LABEL 2-580-606-01 SCREW, +PSW M5X8 X-2318-245-1 STAND ASSY (LL) 2-580-608-01 SCREW, +PSW M5X16 304 ! X-2189-618-1 REAR COVER (52) ASSY 7-685-648-79...
  • Page 40: Chassis-1

    KLV-52V440A 3-3-2. CHASSIS-1 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK 1-480-712-11 SWITCH UNIT 3-297-588-01 BAR,UNDER (L) 1-966-051-11 HARNESS WITH CONNECTOR (LVDS) 362 ! 1-821-909-11 AC INLET 2-580-629-01 SCREW, +BVST 3X8 3-297-553-01 BRACKET, AC INLET 354 ! A-1511-383-A D5 COMPL 2-580-626-01 SCREW, SP 4-4O UNC A-1519-633-A BG1G COMPL...
  • Page 41: Chassis-2

    KLV-52V440A 3-3-3. CHASSIS-2 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK X-2190-380-1 BEZEL ASSY (52EM) A-1510-350-A H3E MOUNT 2-694-389-71 CUSHION, SPEAKER 1-826-887-21 LOUDSPEAKER (3CM, 6.5X15CM) 1-826-887-11 LOUDSPEAKER (3CM, 6.5X15CM) 1-480-680-11 ILLUMINATION MODULE 404 ! 1-802-662-11 LCD PANEL (52INCH FHD TFT) 2-580-640-01 SCREW, +BVTP2 4X16 7-685-648-79...
  • Page 42: Packing Materials

    3-4. PACKING MATERIALS 3-4-1. KLV-40V440A 454 455 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK * 3-297-564-01 CUSHION (UPPER) * 4-087-863-02 BAG, PROTECTION 452 ! 1-835-188-11 POWER-SUPPLY CORD * 3-297-565-01 CUSHION (LOWER) 1-480-721-11 REMOTE COMMANDER (RM-SA014)
  • Page 43: Klv-46V440A

    3-4-2. KLV-46V440A 505 506 REF. No. PART No. DESCRIPTION MARK REF. No. PART No. DESCRIPTION MARK * 3-297-569-01 CUSHION (UPPER) 3-300-624-01 MANUAL, INSTRUCTION * 3-297-568-01 TRAY (WALL MOUNT) 503 ! 1-835-188-11 POWER-SUPPLY CORD * 3-297-570-01 CUSHION (LOWER) 1-480-721-11 REMOTE COMMANDER (RM-SA014) * 3-297-567-01 INDIVIDUAL CARTON 505 ! 3-297-620-11...
  • Page 44 3-4-3. KLV-52V440A KLV-40/46/52V440A (CH) 3-13E D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...
  • Page 45 English Sony EMCS Corporation 2008BL08-Data Made in Japan Inazawa TEC  2008. 2 9-834-198-01 KLV-40/46/52V440A (CH) D846660B279CC0D5520DEF8E80C6FD0B0509C3DE5F2E1AA6282FE9404AF74314F140FE080ED95A15...

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