Sony KDL-32L4000 Service Manual
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Sony KDL-32L4000 Service Manual

Lcd digital color television cz1 chassis
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

MODEL NAME
KDL-32L4000
KDL-32L4000
KDL-37L4000
KDL-37L4000
ORIGINAL MANUAL ISSUE DATE: 3/2008
:UPDATED ITEM
REVISION DATE
3/2008
5/2008
8/2008
8/2008
9-883-774-04
REMOTE COMMANDER
RM-YD025
RM-YD025
RM-YD025
RM-YD025
SUBJECT
No revisions or updates are applicable at this time.
Corrected steps to access service mode. Replaced page 30.
Revised information regarding "Resetting to Factory Defaults..." Replaced page 31.
Replaced Frame Diagrams to include Board labels. Replaced pages 36 & 37.
Reissue entire manual due to multiple updates.
Updated reference to LCD Panels service manual. Replaced pages 63 & 64.
DESTINATION
US
CANADA
US
CANADA
LCD DIGITAL COLOR TELEVISION
CZ1
CHASSIS

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Summary of Contents for Sony KDL-32L4000

  • Page 1: Service Manual

    HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KDL-32L4000 RM-YD025 KDL-32L4000 RM-YD025 CANADA KDL-37L4000 RM-YD025 KDL-37L4000 RM-YD025 CANADA ORIGINAL MANUAL ISSUE DATE: 3/2008 :UPDATED ITEM REVISION DATE SUBJECT 3/2008 No revisions or updates are applicable at this time.
  • Page 2 Self Diagnosis Supported model SERVICE MANUAL CHASSIS MODEL NAME REMOTE COMMANDER DESTINATION KDL-32L4000 RM-YD025 KDL-32L4000 RM-YD025 CANADA KDL-37L4000 RM-YD025 KDL-37L4000 RM-YD025 CANADA KDL-37L4000 RM-YD025 LCD DIGITAL COLOR TELEVISION 9-883-774-04...

  • Page 3: Table Of Contents

    1-4. Table-Top Stand Assembly and Under Cover Removal ..13 3-4. Frame Diagrams ..............36 1-5. AC Inlet and Bracket Removal ..........14 3-4.1. KDL-32L4000 Only ..........36 1-6 Under Bar, H2 Board (IR), H3 Board (LED) Removal ..14 3-4.2. KDL-37L4000 Only ..........37 1-7.

  • Page 4: Specifi Cations

    Signal format: 480i, 480p, 720p, 1080i 1,366 dots x 768 lines AUDIO 500 mVrms (100% modulation) Screen Size (measured diagonally) Impedance: 47 kilohms approx. 32 inches (KDL-32L4000 Only) approx. 37 inches (KDL-37L4000 Only) HDMI IN 1/2: HDMI: Video:480i, 480p, 720p, 1080i, 1080p Supplied Accessories Audio: Two channel linear PCM 32, 44.1 and...
  • Page 5 KDL-32L4000/37L4000 SPECIFICATIONS (CONTINUED) KDL-32L4000 KDL-37L4000 Power Consumption in use 165W 190W in standby Less than 1W Speaker Output (W) 10W + 10W 50 x 115 mm 2 x 4 Dimensions (W x H x D) with stand 807 x 585 x 242 mm...

  • Page 6: Warnings And Cautions

    Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.

  • Page 7: Carrying The Tv

    KDL-32L4000/37L4000 WARNINGS AND CAUTIONS (CONTINUED) CARRYING THE TV s When lifting or moving the TV, hold it firmly from the bottom. Place To avoid dropping the TV and causing serious injury, be sure to follow your palm directly under the panel.

  • Page 8: Safety-Related Component Warning

    KDL-32L4000/37L4000 SAFETY-RELATED COMPONENT WARNING There are critical components used in LCD color TVs that are important for safety. These components are identifi ed with shading and mark on the schematic diagrams and the electrical parts list. It is essential that these critical parts be replaced only with the part number specifi...
  • Page 9 Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics. For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com KDL-32L4000/37L4000...

  • Page 10: Safety Check-Out

    KDL-32L4000/37L4000 SAFETY CHECK-OUT The AC leakage from any exposed metal part to earth ground and After correcting the original service problem, perform the following from all exposed metal parts to any exposed metal part having a safety checks before releasing the set to the customer: return to chassis, must not exceed 0.5 mA (500 microamperes).

  • Page 11: Self-Diagnostic Function

    KDL-32L4000/37L4000 Self Diagnosis SELF-DIAGNOSTIC FUNCTION Supported model IMPORTANT: The units in this manual DO NOT contain a self-diagnostic function. If an error occurs, the TV will not stay on. It is our recommendation that if a repair is required for these sets, the technician should bring both the A Board and the G Board to the customer location.

  • Page 12: Section 1: Disassembly

    NOTE: The Rear Cover of both models is attached to the Bezel Assembly with 4 small tabs. Use caution when removing the Rear Cover not to damage these tabs. Remove 6 screws from terminals, +BVTP 3X12 TYPE2 IT-3 Remove 3 screws, +PSW M4X8 (KDL-32L4000 ONLY) Remove 4 screws, +PSW M5X8 (KDL-37L4000 ONLY) Tab Inserts...

  • Page 13: A Board And G Board Removal

    Remove 3 screws from Main Bracket, +BVST 3X8 (KDL-37L4000 ONLY) Remove 2 screws from Main Bracket, +PSW M3X5 (KDL-32L4000 ONLY) Remove 1 screw, +BVTP2 4X16 10 Remove 2 screws from Main Bracket, +BVST 3X8 (KDL-32L4000 ONLY) 11 Disconnect 4 connectors 12 Remove 4 screws, +BVST 3X8...

  • Page 14: Ac Inlet And Bracket Removal

    KDL-32L4000/37L4000 1-5. AC INLET AND BRACKET REMOVAL AC Bracket Remove 1 screw, +PSW M4X6 AC Inlet Remove 2 screws, KTT 3X10 (S TYPE) Remove 1 screw, +BVST 3X8 Earth Terminal Bottom Bracket UNDER BAR, H2 BOARD (IR), H3 BOARD (LED) REMOVAL...

  • Page 15: Structural Frames And Brackets Removal (Kdl-32L4000 Only)

    KDL-32L4000/37L4000 1-8. STRUCTURAL FRAMES AND BRACKETS REMOVAL (KDL-32L4000 ONLY) Remove 4 screws from both Top Vesa Bracket and Bottom Vesa Bracket, +PSW M4X8 Top Frame (L) and Top Frame (R) Removal Remove 2 screws from Bezel and each Top Frames, +BVTP2 4X16...

  • Page 16: Structural Frames And Brackets Removal (Kdl-37L4000 Only)

    KDL-32L4000/37L4000 1-9. STRUCTURAL FRAMES AND BRACKETS REMOVAL (KDL-37L4000 ONLY) Remove 4 screws from Top Vesa Brackets, +PSW M4X8 Remove 6 screws from Bottom Vesa Brackets, +PSW M4X8 Top Frame (L) and Top Frame (R) Removal Remove 2 screws from Bezel and each Top Frames, +BVTP2 4X16...

  • Page 17: Lcd Panel Removal

    KDL-32L4000/37L4000 1-10. LCD PANEL REMOVAL Disconnect 1 connector. Remove , 2 screws +BVTP2 4X16 (KDL-32L4000 ONLY), 3 screws +BVTP2 4X16 (KDL-37L4000 ONLY) Release hooks and slide out from Bezel. LCD Panel Clear Panel Bezel Assembly 1-10-1. CLEANING THE LCD PANEL CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.

  • Page 18: Balancer (Mt Inverter) Board Removal (Kdl-32L4000 Only)

    KDL-32L4000/37L4000 1-11. BALANCER (MT INVERTER) BOARD REMOVAL (KDL-32L4000 ONLY) Remove 5 screws from Board Cover. Pull out the Board from Lamp socket DO NOT REMOVE BACKLIGHT SCREWS Plastic Strip Inverter Board holding Lamp Socket Balancer Board Inverter Cover WARNING NEVER REMOVE THE...

  • Page 19: Balancer (Mt Inverter) Board Removal (Kdl-37L4000 Only)

    KDL-32L4000/37L4000 1-12. BALANCER (MT INVERTER) BOARD REMOVAL (KDL-37L4000 ONLY) Remove 6 screws from Board Cover Disconnect 8 balancer connectors CAUTION! Disconnect the 8 Balancer Board Connectors REMOVE SCREWS SECURING SHIELD REMOVE CONNECTOR AND PULL BOARD TO THE RIGHT SHIELD REMOVAL...

  • Page 20: Wire Dressing

    KDL-32L4000/37L4000 WIRE DRESSING KDL-32L4000 ONLY OVERALL VIEW KDL-32L4000/37L4000...
  • Page 21 KDL-32L4000/37L4000 KDL-32L4000 ONLY H1 BOARD AND LVDS CABLE LVDS H1 Board Cable Connector KDL-32L4000/37L4000...
  • Page 22 KDL-32L4000/37L4000 KDL-32L4000 ONLY SPEAKER, H2 BOARD, AND H3 BOARD Speaker Speaker Wire Wire IR/LED IR/LED Board Board Saddle Saddle Saddle Saddle KDL-32L4000/37L4000...
  • Page 23 KDL-32L4000/37L4000 KDL-32L4000 ONLY INVERTER BOARD TO A BOARD AND G BOARD Saddle Saddle Saddle Saddle Inverter to A Board Inverter to G Board KDL-32L4000/37L4000...
  • Page 24 KDL-32L4000/37L4000 KDL-32L4000 ONLY G BOARD TO A BOARD KDL-32L4000/37L4000...

  • Page 25: Kdl-37L4000 Only

    KDL-32L4000/37L4000 KDL-37L4000 ONLY OVERALL VIEW KDL-32L4000/37L4000...
  • Page 26 KDL-32L4000/37L4000 KDL-37L4000 ONLY H1 BOARD AND LVDS CABLE LVDS Cable H1 Board Saddle Connector KDL-32L4000/37L4000...

  • Page 27: Kdl-32L4000/37L4000

    KDL-32L4000/37L4000 KDL-37L4000 ONLY SPEAKER, H2 BOARD, AND H3 BOARD Speaker Wire IR/LED Board IR/LED Saddle Board Speaker Wire Saddle KDL-32L4000/37L4000...

  • Page 28: Kdl-32L4000/37L4000

    KDL-32L4000/37L4000 KDL-37L4000 ONLY INVERTER BOARD TO A BOARD AND G BOARD Saddle Saddle Inverter to A Board Inverter to G Board KDL-32L4000/37L4000...

  • Page 29: Kdl-32L4000/37L4000

    KDL-32L4000/37L4000 KDL-37L4000 ONLY G BOARD TO A BOARD Saddle A Board to G Board G Board to A Board AC In to Saddle G Board KDL-32L4000/37L4000...

  • Page 30: Section 2: Service Adjustments

    KDL-32L4000/37L4000 SECTION 2: SERVICE ADJUSTMENTS 2-1. ACCESSING SERVICE (FACTORY) MODE Use the remote commander to access Service (Factory) mode after completing a repair to the TV set. 1. TV must be turned On (Power ON). 2. To display the service menu, quickly press the following buttons on the Remote Commander:...

  • Page 31: Reviewing Service (Factory) Mode

    KDL-32L4000/37L4000 2-2. REVIEWING SERVICE (FACTORY) MODE All of the necessary adjustment are contained in the boards for these models, therefore the following information is for informational purposes. Factory Mode Change source between Input Source <[ ]> Video1,Video2 ,Component, PC, HDMI, & TV White Balance <[...

  • Page 32: Viewing Model Information

    KDL-32L4000/37L4000 2-4. VIEWING MODEL INFORMATION Use the Setup settings menu to display information about the TV. 1. TV must be On. 2. Press the button to display the User Menus. Setup Closed Captions (CC) Info Banner Label Video Inputs Language...

  • Page 33: Section 3: Diagrams

    KDL-32L4000/37L4000 SECTION 3: DIAGRAMS 3-1. CIRCUIT BOARDS LOCATION H3 (LED) 3-2. PRINTED WIRING BOARDS AND All voltages are in V. SCHEMATIC DIAGRAMS INFORMATION S : Measurement impossibility. : B+line. All capacitors are in μF unless otherwise noted. pF : μμF 50WV or : B-line.
  • Page 34 KDL-32L4000/37L4000 REFERENCE INFORMATION Terminal name of semiconductors in silk screen printed circuit ( RESISTOR CAPACITOR : RN METAL FILM : TA TANTALUM Circuit Device Printed symbol Terminal name : RC SOLID : PS STYROL Collector Transistor : FPRD NONFLAMMABLE CARBON...

  • Page 35: Block Diagram

    KDL-32L4000/37L4000 3-3. BLOCK DIAGRAM VGA_AUDIO Component1 Component2 AUDIO Pb Pr Pb Pr VIDEO R G B line_L_out LINE_OUT line_R_out CD4052 S-Video CVBS1 SPIDF AV1_L_IN MUX_L_AD SPIDF MUX_R_AD speaker_R AV1_R_IN AL2O AUDIO_PROCESSOR ALRO CVBS2 (MTK5380) speaker_L AV2_L_IN DIGTAL VIDEO 32'/37' PROCEESOR...

  • Page 36: Frame Diagrams

    KDL-32L4000/37L4000 3-4. FRAME DIAGRAMS 3-4.1. KDL-32L4000 ONLY PS-ON POWER_ON CN202 PWR_ERR_DET PWR_ERR_DET 4VSB 4VSB ADIN0 ADCKPD0 ADIN1 ADCKPD1 CN203 4VSB KEY PAD 4VSB TCON_POWER TCON_POWER PWR_6V BOARD PWR_6V CN201 Audio L+ PWR_PANEL SPEAKER L PWR_PANEL CN14 AC L Audio L-...

  • Page 37: 3-4.2. Kdl-37L4000 Only

    KDL-32L4000/37L4000 3-4.2. KDL-37L4000 ONLY PS-ON CN202 CN203 PWR_ERR_DET 4VSB ADIN0 ADCKPD0 ADIN1 ADCKPD1 Power_on KEY PAD 4VSB PWR_ERR_DET 4VSB 4VSB BOARD 4VSB PWR_6V CN14 PWR_6V Tcon_power Audio L+ Tcon_power SPEAKER L PWR_PANEL PWR_PANEL Audio L- AC L INPUT AC N...

  • Page 38: Schematics And Supporting Information

    KDL-32L4000/37L4000 3-5. SCHEMATICS AND SUPPORTING INFORMATION A BOARD SCHEMATIC DIAGRAM (1 OF 16) +4VSB +15V Tcon_Power R458 R458 R459 R459 R460 R460 R702 R702 R461 R461 R457 R457 510_F 510_F 510_F 510_F 510_F 510_F CAP3 CAP3 CAP9 CAP9 C396 C396...

  • Page 39: A Board Schematic Diagram (2 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (2 OF 16) +3V3SB +4VSB 120R 120R tpc40t_50 tpc40t_50 1.1V/2A DV10 2.2UH 2.2UH 120R 120R 120R 120R 120R 120R 562_F 562_F 2.2UH 2.2UH CAP7 CAP7 300_F 300_F C321 C321 10_F 10_F + 100U + 100U —...

  • Page 40: A Board Schematic Diagram (3 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (3 OF 16) TP100 TP100 — TP95 TP95 AV1_L 10K_J 10K_J R510 R510 AV1_L_Out AV1_IN 100_F 100_F CVBS1 CVBS1 SC1_IN TP96 TP96 27_J 27_J LLZ5232B LLZ5232B 0805 0805 CONN_14P CONN_14P R395 R395 LLZ5232B LLZ5232B SY1_IN...

  • Page 41: A Board Schematic Diagram (4 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (4 OF 16) TP117 TP117 JACK_11P JACK_11P TP107 TP107 TP118 TP118 JACK_11P JACK_11P TP108 TP108 Comp1_L FOX_JR01030-SE51-4F FOX_JR01030-SE51-4F TP114 TP114 FOX_JR01030-SE51-4F FOX_JR01030-SE51-4F TP126 TP126 PR1_GND Comp2_L — PR0_GND TP123 TP123 PR1_IN TP113 TP113 PR0_IN TP124...

  • Page 42: A Board Schematic Diagram (5 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (5 OF 16) HDMI_PLUGPWR1 +3V3SB HDMI_PLUGPWR1 HDMI1_D1+ HDMI1_CK- HDMI1_D0+ HDMI1_D2- HDMI1_D1- HDMI1_CK+ HDMI1_D0- HDMI1_D2+ HDMI1_SDA_IN HDMI1_5V — HDMI_19 HDMI_19 HDMI1_D2+ HDMI_PLUGPWR1 FOX_QJ01193-EEK1-4F FOX_QJ01193-EEK1-4F NC_SS54 NC_SS54 HDMI1_D2- null null null null HDMI1_D1+ HDMI1_SCL_IN HDMICAB1 AOZ8006FI AOZ8006FI...

  • Page 43: A Board Schematic Diagram (6 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (6 OF 16) TP140 TP140 D-SUB_15P D-SUB_15P FOX_ZDAFA1-D546-4F FOX_ZDAFA1-D546-4F TP130 TP130 TP139 TP139 TP132 TP132 — +4VSB TP134 TP134 TP141 TP141 RED_GND TP133 TP133 U0TX_IN TP131 TP131 R152 0_J R152 0_J TP142 TP142 GRN_GND TP135...

  • Page 44: A Board Schematic Diagram (7 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (7 OF 16) C618 C618 C617 C617 220P_50V_J 220P_50V_J 220P_50V_J 220P_50V_J DV33 0.01U 0.01U TDQU6x521A TDQU6x521A R190 R190 FAT_IN2- — IF OUT1 R191 R191 FAT_IN2+ IF OUT2 0.1U 0.1U R192 R192 R194 R194 IF_AGC L160...

  • Page 45: A Board Schematic Diagram (8 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (8 OF 16) — HDMI3V3 HDMI3V3 HDMI3V3 R208 R208 10K_J 10K_J R209 R209 10K_J 10K_J R210 R210 10K_J 10K_J R211 R211 R220 R220 R213 R213 R214 R214 10K_J 10K_J R215 R215 10K_J 10K_J 10K_J 10K_J...

  • Page 46: A Board Schematic Diagram (9 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (9 OF 16) AV25 VIMD_AADC AV12 U18E U18E AVDD12_RGBFE C121 C121 4700P 4700P DVDD12_VGA AVDD25_VADC C122 C122 120R 120R SOY0 SOY0 DVDD12_VGA C127 C127 0.01U 0.01U AVSS12_RGBADC 4.7U 4.7U C130 C130 120R 120R AVSS12_RGBADC C123 C123 0.01U...

  • Page 47: A Board Schematic Diagram (10 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (10 OF 16) R263 R263 R265 R265 — NC_4.7K_J NC_4.7K_J NC_4.7K_J NC_4.7K_J +4VSB U18B U18B GPIO_1 OSDA0 OSDA0 OSDA0 OSCL0 OSCL0 TP25 OSCL0 GPIO_0 GPIO_0 R456 R456 HDMI_A_SDA OSDA1 GPIO_1 RESET# LL4148 LL4148 C199 C199...

  • Page 48: A Board Schematic Diagram (11 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (11 OF 16) U18A U18A 0603_8P4R 0603_8P4R DDRV DDR#1 DDRV RDQS0 RDQS0 RDQM0 RDQ0 MEM_DQ0 — RDQM0 RDQ0 RWE# RDQ1 MEM_DQ1 RDQ0 RWE_ RDQ1 RBA0 RDQ2 MEM_DQ2 RDQ1 RBA0 RDQ2 RDQ3 MEM_DQ3 RDQ2 VDD_1 VSS_2...

  • Page 49: A Board Schematic Diagram (12 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (12 OF 16) — U18J U18J POCE0# U0RX POCE0_ U0RX U0RX 7 POOE# U0TX POOE_ U0TX U0TX 7 PDD0 DV33 PDD0 PDD1 OIRI PDD1 OIRI OIRI DV33 — DV33 JTMS JTMS JTRST# R294 R294 R295...

  • Page 50: A Board Schematic Diagram (13 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (13 OF 16) AV12 AVDD12_PLL 120R 120R CAP53 CAP53 + 100U + 100U C269 C269 — C270 C270 C271 C271 C272 C272 C273 C273 C274 C274 C275 C275 C276 C276 C277 C277 C278 C278 0.01U_25V_K 0.01U_25V_K...

  • Page 51: A Board Schematic Diagram (14 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (14 OF 16) — DV33 DV33 U18C U18C CONN_30P CONN_30P AVDD33_LVDS RX0- TP158 TP158 AVDD33_LVDSA AVDD33_LVDS RX0+ AVDD33_LVDSB AVDD33_LVDS RX1- R310 R310 R311 R311 AVDD33_LVDSC RX1+ TP190 TP190 tpc47t_67 tpc47t_67 AVDD33_VPLL RX2- 4.7K_J 4.7K_J NC_4.7K_J NC_4.7K_J...

  • Page 52: A Board Schematic Diagram (15 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (15 OF 16) L113 L113 +15V VDD_AMP TP153 TP153 120R 120R ROUT- 22U_2.1A_0.0709R 22U_2.1A_0.0709R 120R 120R C336 C336 C298 C298 120R 120R 120R 120R SPK_R- CAP35 CAP35 C294 C294 C295 C295 C296 C296 C297 C297...

  • Page 53: A Board Schematic Diagram (16 Of 16)

    KDL-32L4000/37L4000 A BOARD SCHEMATIC DIAGRAM (16 OF 16) CAP54 CAP54 R471 R471 33K_J 33K_J Line_L_Out +12V_Line C400 C400 +12V +12V_Line — OUTA 120P 120P R476 R476 R478 R478 +12V_Bias -INA OUTB C381 10U C381 10U C375 10U C375 10U +12V_Bias...
  • Page 54 KDL-32L4000/37L4000 [BOARD INTERFACE, POWER, AV AND S-VIDEO, COMPONENT CONNECTOR, HDMI INPUT CONNECTORS, VGA, ALPS TUNER, HDMI SWITCH, 5380 DECODER, MT5380PERIPHERAL, DDR1 MEMORY, FLASH/JTAG/UART/IR/TRAP, PLL USB TUNER SYNC, LVDS PORT, AD82571A, AUDIO OUT] COMPONENT SIDE CONDUCTOR SIDE — — — —...

  • Page 55: G Board Schematic Diagram (1 Of 2)

    KDL-32L4000/37L4000 G BOARD SCHEMATIC DIAGRAM (1 OF 2) D106 D101 — D107 D102 D103 — — — — IC51 — — — G 1/2 — KDL-32L4000/37L4000...

  • Page 56: G Board Schematic Diagram (2 Of 2)

    KDL-32L4000/37L4000 G BOARD SCHEMATIC DIAGRAM (2 OF 2) — — — — — R221 — — G 2/2 — — KDL-32L4000/37L4000...
  • Page 57 KDL-32L4000/37L4000 [POWER SUPPLY] COMPONENT SIDE — — — — KDL-32L4000/37L4000...
  • Page 58 KDL-32L4000/37L4000 [POWER SUPPLY] CONDUCTOR SIDE — — — — KDL-32L4000/37L4000...

  • Page 59: H1 Board Schematic Diagram

    KDL-32L4000/37L4000 H1 BOARD SCHEMATIC DIAGRAM R4_K R4_K 27K_F 27K_F SW1_K SW1_K R1_K R1_K 1.2K_F 1.2K_F R2_K R2_K ADC_KPD0 ADC_KPD1 R3_K R3_K SW2_K SW2_K — POWER Menu C1_K C1_K C2_K C2_K 0.1U 0.1U 0.1U 0.1U SW4_K SW4_K R5_K R5_K 10K_F 10K_F R6_K 4.7K_F...

  • Page 60: H2 Board Schematic Diagram

    KDL-32L4000/37L4000 H2 BOARD SCHEMATIC DIAGRAM — +4VSB D1_I D1_I LLZ5231B LLZ5231B R1_I R1_I null null 33_J 33_J — C9_I C9_I C10_I C10_I U1_I U1_I VOUT GND_1 C6_I C6_I C7_I C7_I GND_2 KSM-511M2Q-F KSM-511M2Q-F — R6_I R6_I H3_I H3_I D6_I D6_I...

  • Page 61: H3 Board Schematic Diagram

    KDL-32L4000/37L4000 H3 BOARD SCHEMATIC DIAGRAM TP1_L TP1_L TP2_L TP2_L TP3_L TP3_L TP4_L TP4_L CN1_L CN1_L — LED1_5V SMDFIX1 SMDFIX1 LED2_5V LED3_5V SMDFIX2 SMDFIX2 B TO B_4P B TO B_4P FOX_HS7304E FOX_HS7304E D1_L D1_L D2_L D2_L D3_L D3_L C2_L C2_L C3_L...

  • Page 62: Section 4: Exploded Views

    COVER, UNDER (37) (SCREWS TO ATTACH TABLE-TOP STAND TO TV) (KDL-37L4000 ONLY) For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV to Wall Mount Brackets.

  • Page 63: Chassis

    See Appendix A: Encryption Key Components in the back of this manual. 4-2. CHASSIS (Check the Sony Electronics Service Information website for any additional service related issues for this model.) 2-580-640-01 SCREW, +BVTP2 4X16 2-580-629-01...

  • Page 64: Bezel Assembly And Lcd Panel

    See Appendix A: Encryption Key Components in the back of this manual. 4-3. BEZEL ASSEMBLY AND LCD PANEL (Check the Sony Electronics Service Information website for any additional service related issues for this model.) 2-580-599-01 SCREW, +PSW M4X6...
  • Page 65 2-580-608-01 SCREW, +PSW M5X16 (SCREWS TO ATTACH TABLE-TOP STAND TO TV) 3-870-769-01 CARTON, INDIVIDUAL (32) For product protection and safety reasons, Sony strongly recommends that (KDL-32L4000 US ONLY) you use the screws provided with the TV. 3-874-629-01 CARTON, INDIVIDUAL(32) CAUTION: These screws cannot be used to secure the TV to (KDL-32L4000 CND ONLY) Wall Mount Brackets.

  • Page 66: Appendix A: Encryption Key Components

    MUST BE RETURNED to Sony. b) and if the core charge is NOT covered under the product warranty, the defective un-repaired or modifi...

This manual is also suitable for:

Kdl-37l4000

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