Sony KDL-55BX520 Service Manual
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Sony KDL-55BX520 Service Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
MODEL NAME
KDL-55BX520
KDL-55BX520
ORIGINAL MANUAL ISSUE DATE: 8/2011
REVISION DATE
8/12/2011
11/7/2011
12/21/2011
1/18/2012
9-883-868-54
COMMANDER
RM-YD065
RM-YD065
CONFIDENTIAL
ELECTRICAL SERVICE MANUAL
INTERNAL ONLY
SUBJECT
Original Manual Release Date.
Added Accessories and Packing to Electrical Parts List. Replaced Page 35
Added Mexico model. Reissue entire manual.
Added Warnings and Caution information.
Updated Safety-Related Warning information.
Updated Safety Check-Out information. Reissue entire manual.
AZ2-UK
DESTINATION
LEVEL
US/CND
CONFIDENTIAL
MX
LCD DIGITAL COLOR TV
CHASSIS
3

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  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: AZ2-UK SERVICE MANUAL CHASSIS MODEL NAME COMMANDER DESTINATION LEVEL KDL-55BX520 RM-YD065 US/CND CONFIDENTIAL KDL-55BX520 RM-YD065 CONFIDENTIAL ELECTRICAL SERVICE MANUAL INTERNAL ONLY ORIGINAL MANUAL ISSUE DATE: 8/2011 REVISION DATE SUBJECT 8/12/2011 Original Manual Release Date.

  • Page 2: Table Of Contents

    KDL-55BX520 TABLE OF CONTENTS SECTION TITLE PAGE Warnings and Cautions ......................................3 Safety-Related Warning ......................................4 Safety Check-Out ........................................5 SECTION 1: DIAGRAMS ........................................7 1-1. Circuit Boards Location ......................................7 1-2. Printed Wiring Boards and Schematic Diagrams Information ..........................7 1-3. Block Diagram ........................................9 1-4.

  • Page 3: Warnings And Cautions

    KDL-55BX520 WARNINGS AND CAUTIONS CAUTION These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.

  • Page 4: Safety-Related Warning

    KDL-55BX520 SAFETY-RELATED WARNING USE CAUTION WHEN HANDLING THE LCD PANEL When repairing the LCD panel, be sure you are grounded by using a wrist band. When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.

  • Page 5: Safety Check-Out

    KDL-55BX520 SAFETY CHECK-OUT LEAKAGE TEST After correcting the original service problem, perform the 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 KDL-55BX520 The circuit boards used in these models have been processed using Lead Free Solder. The boards are identified by the LF logo located close to the board designation e.g. H1 etc [ see example ]. The servicing of these boards requires special precautions to be taken as outlined below.

  • Page 7: Section 1: Diagrams

    1-1. CIRCUIT BOARDS LOCATION TCON SWITCH UNIT FIGURE 1-1. KDL-55BX520 1-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION All capacitors are in µF unless otherwise noted. pF : µµF 50WV or Voltages are DC with respect to ground unless otherwise noted.
  • Page 8 KDL-55BX520 Terminal name of semiconductors in silk screen REFERENCE INFORMATION printed circuit ( RESISTOR CAPACITOR Circuit Device Printed symbol Terminal name : RN METAL FILM : TA TANTALUM Collector : RC SOLID : PS STYROL Transistor Emitter : FPRD NONFLAMMABLE CARBON...

  • Page 9: Block Diagram

    KDL-55BX520 1-3. BLOCK DIAGRAM TUNER CLASS D AUDIO COMPOSITE OR COMPONENT 1 COMPONENT 2 ANALOG AUDIO OUT MT5388 HDMI 1 A/V DECODER OPTICAL AUDIO OUT A/V PROCESS HDMI 2 IC4305 *HDMI 3 TEMP SENSE *BX421 MODELS ONLY LVDS LVDS INVERTER PC HD15 USB2.0...
  • Page 10 KDL-55BX520 Inverter Panel DDR II*2 Inverter FIGURE 3-2. ENGINEERING BLOCK DIAGRAM KDL-55BX520...
  • Page 11 KDL-55BX520 KEY PAD Inverter SPEAKER FIGURE 3-3. CONNECTOR DIAGRAM KDL-55BX520...

  • Page 12: Schematics And Supporting Information

    KDL-55BX520 1-4. SCHEMATICS AND SUPPORTING INFORMATION A BOARD SCHEMATIC DIAGRAM (1 OF 15) Stand By Power ANALOG POWER AV33 — +3V3SB_PWR +5V_PWR 4,5,6,7,8,9,10,11,12,13,14,15,16,17 +3V3SB AV33 100R-100MHZ_0805 100R-100MHZ_0805 +5V_PWR 4,5,7,8,10,11,16 +5V_PWR 100R-100MHZ_0805 100R-100MHZ_0805 +3V3SB_PWR +3V3SB_PWR +3V3SB 5,7,8,10,15,16 +3V3SB C235 C235 C236...

  • Page 13: A Board Schematic Diagram (2 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (2 OF 15) Damping for DDR#2 ADDR/CMD Damping for DDR#1 ADDR/CMD NEAR BRANCH NEAR BRANCH 3,5,6,7,8,9,10,11,12,13,14,15,16,17 RDQ16 2_A0 RDQ0 1_A0 RDQ17 2_A1 2_A0 1_A11 RA11 RDQ1 1_A1 DV33 — 3,5,6,8,11,12,13,15,16,17 DV33 RDQ18 2_A2 1_A8 RDQ2...

  • Page 14: A Board Schematic Diagram (3 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (3 OF 15) 3,4,6,7,8,9,10,11,12,13,14,15,16,17 USB PORT 0 Near Connector 54MHz CRYSTAL — +5V_PWR +5V_USB +5V_PWR 3,4,7,8,10,11,16 +5V_PWR 0404_4P2R 0404_4P2R +3V3SB 3,7,8,10,15,16 +3V3SB DV33 NEAR IC 3,4,6,8,11,12,13,15,16,17 DV33 100R-100MHZ_0805 100R-100MHZ_0805 TP178 TP178 AV33 54MHZ_10P_15PPM 54MHZ_10P_15PPM +3V3SB...

  • Page 15: A Board Schematic Diagram (4 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (4 OF 15) — NAND Flash 3,4,5,7,8,9,10,11,12,13,14,15,16,17 Serial Flash DV33 DV33 — 3,4,5,8,11,12,13,15,16,17 DV33 OPWM0 OPWM0 ASPDIF ASPDIF 0.1U_16V_K 0.1U_16V_K 1U_16V_K 1U_16V_K GPIO1 GPIO1 0402_X7R 0402_X7R 0402_X5R 0402_X5R NC_1 NC_29 330_J 330_J OPWRSB NC_2 NC_28 OPWRSB 4.7K_J...

  • Page 16: A Board Schematic Diagram (5 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (5 OF 15) — RB551V-30 RB551V-30 +5V_HDMI null null RPWR0_PLUG D89 NC_RB551V-30 D89 NC_RB551V-30 +5V_PWR +5V_HDMI +5V_HDMI PWR5V_0 null null 330_J 330_J null null 0402 0402 RPWR2_PLUG R3241 R3241 RB751V-40 RB751V-40 120R-100MHZ_0603 120R-100MHZ_0603 VR26 VR26...

  • Page 17: A Board Schematic Diagram (6 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (6 OF 15) — PIN10_1 TP214 TP214 NEARLY IC NC_2N7002 NC_2N7002 TP167 TP167 TP168 TP168 TP169 TP169 NEARLY VGA CON. 3,4,5,6,7,9,10,11,12,13,14,15,16,17 MM3Z10VC MM3Z10VC TP213 TP213 C110 C110 TP223 TP223 1500P_25V_K 1500P_25V_K +3V3SB 3,5,7,10,15,16 +3V3SB 0402...

  • Page 18: A Board Schematic Diagram (7 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (7 OF 15) — 3,4,5,6,7,8,10,11,12,13,14,15,16,17 AV33 3,5,7,10,13,14,16 AV33 Side CVBS — CVBS1P CVBS1P TP102 TP102 CN31C CN31C AV1_IN NEARLY AV/CON. NEARLY IC — TP103 TP103 C153 C153 R156 R156 0.047U_16V_K 0.047U_16V_K YELLOW YELLOW AV1_IN CVBS3P...

  • Page 19: A Board Schematic Diagram (8 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (8 OF 15) — Mute Circuit For AC OFF Pop Noise For AC ON Pop Noise DC ON Pop Nose First Arrival V_MUTE DC OFF Pop Noise +3V3SB V_MUTE — First Drop Last Drop MR22 MR22 LO = >...

  • Page 20: A Board Schematic Diagram (9 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (9 OF 15) — — Line Out 3,4,5,6,7,8,9,10,12,13,14,15,16,17 — +12V 3,10,14,15,16 +12V DV33 3,4,5,6,8,12,13,15,16,17 DV33 AV33 3,5,7,9,10,13,14,16 AV33 WR23 WR23 82P_50V_K 82P_50V_K 10K_J 10K_J 0402_NPO 0402_NPO AR0O AR0O 0402 0402 AL0O — AL0O WR10 WR10...

  • Page 21: A Board Schematic Diagram (10 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (10 OF 15) AUDIO_12V +12V_AMP 3,4,5,6,7,8,9,10,11,13,14,15,16,17 +3V3_AMP 120-100MHZ_1206 120-100MHZ_1206 TP27 TP27 6.8UH_3A_0.035R 6.8UH_3A_0.035R AUDIO_12V 15,16 AUDIO_12V VLC6045T-6R8M VLC6045T-6R8M R182 0_J 0603 R182 0_J 0603 TP26 TP26 DV33 3,4,5,6,8,11,13,15,16,17 DV33 — R224 R224 120-100MHZ_1206 120-100MHZ_1206 32V-5A_0603...

  • Page 22: A Board Schematic Diagram (11 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (11 OF 15) — LVDSVDD NC_LC NC_LC NC_LC NC_LC NC_TCM1210L-900-2P-T000 NC_TCM1210L-900-2P-T000 NC_TCM1210L-900-2P-T000 NC_TCM1210L-900-2P-T000 FFC CONN. ORX0- ERX0- 3,4,5,6,7,8,9,10,11,12,14,15,16,17 ORX0+ ERX0+ SMDFIX1 SMDFIX1 RP12 RP12 RP13 RP13 TP202 TP202 TP201 TP201 C249 C249 AV33 3,5,7,9,10,14,16 AV33 LVDSVDD 0.1U...

  • Page 23: A Board Schematic Diagram (12 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (12 OF 15) CAP28 must place between tuner and IF_PWR null null +5V_TUNER IF_PWR TDAU8-D04A TDAU8-D04A — 100R-100MHZ_0805 100R-100MHZ_0805 R359 R359 0402 0402 CAP28 CAP28 PTH2 PTH1 C342 C342 C254 C254 C350 C350 NC_220U_16V_M NC_220U_16V_M...

  • Page 24: A Board Schematic Diagram (13 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (13 OF 15) — PANEL CONTROL +12V AUDIO_12V TP32 TP32 R277 R277 R278 R278 1K_J 1K_J CAP18 CAP18 CAP57 CAP57 0402 0402 0402 0402 330U_25V_M 330U_25V_M C283 C283 C292 C292 220U_25V_M 220U_25V_M C285 C285 C295...

  • Page 25: A Board Schematic Diagram (14 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (14 OF 15) Must / UART Port 0 TEMP Sensor — 3,4,5,6,7,8,9,10,11,12,13,14,15,17 FOR CODE DOWNLOAD AND DEBUGGING DV33 DV33 +3V3SB +5V_PWR 3,4,5,7,8,10,11 +5V_PWR +3V3SB 3,5,7,8,10,15 +3V3SB +12V 3,10,14,15 +12V OSCL1 OSDA1 AUDIO_12V 12,15 AUDIO_12V 0.1U_16V_K 0.1U_16V_K...

  • Page 26: A Board Schematic Diagram (15 Of 15)

    KDL-55BX520 A BOARD SCHEMATIC DIAGRAM (15 OF 15) — For heatsink DV33 VCC3IO_1 DVSS_19 3,4,5,6,7,8,9,10,11,12,13,14,15,16 VCC3IO_2 DVSS_20 VCC3IO_3 DVSS_21 — AB20 VCC3IO_4 DVSS_22 hole_tbo89x208do39x158 hole_tbo89x208do39x158 hole_tbo89x208do39x158 hole_tbo89x208do39x158 DV11 AC21 VCC3IO_5 DVSS_23 3,10,16 DV11 DV33 3,4,5,6,8,11,12,13,15,16 DV33 VCC3IO_6 DVSS_24 DVSS_25 ADIN2...
  • Page 27 KDL-55BX520 [DIGITAL ANALOG POWER / DRAM / PERIPHERAL / FLASH / HDMI / COMPONENT VGA / AV / AUDIO SYS / LINE OUT / AMPLIFIER / LVDS / TUNER / INVERTER MAIN POWER / SELF DIAGNOSTIC / CORE POWER] [DIGITAL ANALOG POWER / DRAM / PERIPHERAL / FLASH / HDMI / COMPONENT VGA / AV / AUDIO SYS / LINE OUT / AMPLIFIER / LVDS / TUNER / INVERTER MAIN POWER / SELF DIAGNOSTIC / CORE POWER]...

  • Page 28: G17 Board Schematic Diagram

    KDL-55BX520 G17 BOARD SCHEMATIC DIAGRAM G17 SCHEMATIC DIAGRAM AND PWB NOT AVAILABLE — — — — — — — — — — — — — — — — KDL-55BX520...

  • Page 29: Frc Board Schematic Diagram

    KDL-55BX520 FRC BOARD SCHEMATIC DIAGRAM (PAGE 1 OF 4) — Core Power 1.1V +12V Vout= 0.925x(1+1.91/10) = 1.1 M81_VCCK — +12V +12V 0.01U_10V_K 0.01U_10V_K 0402_X7R 0402_X7R 100K_J 100K_J M81_VCCK 0402 0402 15UH_2.1A_0.091R 15UH_2.1A_0.091R +12V CAP1 CAP1 — 100R-100MHZ_0805 100R-100MHZ_0805 220U_16V_M 220U_16V_M 1.91K_F...

  • Page 30: Frc Board Schematic Diagram

    KDL-55BX520 FRC BOARD SCHEMATIC DIAGRAM (PAGE 2 OF 4) — Peripheral components M81_DV33 AV33_XTAL M81_JTDI GPIO_20 AVDD33_XTAL JTDI M81_JTRCK GPIO_21 M81_DV33 JRTCK M81_DV33 3,5,6 M81_JTCK GPIO_22 JTCK AV12_PLL M81_JTMS M81_AV33 AVDD12_SYSPLL JTMS M81_JTDO — Serial Flash AVDD12_DMPLL JTDO JTRST tpc55b_100...

  • Page 31: Frc Board Schematic Diagram

    KDL-55BX520 FRC BOARD SCHEMATIC DIAGRAM (PAGE 3 OF 4) — Damping and Termination for CLK 3,4,6 RDQ0 null null RDQ0 RDQ1 RDQ1 RDQ2 M81_DV33 RDQ2 Close to MT8281 Close to DRAM RDQ3 RDQ3 RDQ4 M81_DV33 RDQ4 M81_DV33 3,4,6 — RDQ5...

  • Page 32: Frc Board Schematic Diagram

    KDL-55BX520 FRC BOARD SCHEMATIC DIAGRAM (PAGE 4 OF 4) — LVDS RX Screw hole M81_DV33 AV33_LVDSRX AO0P M81_AV33 AV33_LVDSRX M81_DV33 AVDD33_LVDSRXO RO0P M81_DV33 3,4,5 AO0N AVDD33_LVDSRXE RO0N AO1P AV33_LVDSRX RO1P AO1N 120R-100MHZ_0603 120R-100MHZ_0603 RO1N AV12_LVDSRX AO2P FCM1608KF-121T03 FCM1608KF-121T03 AVDD12_LVDSRX_CK RO2P AO2N 4.7uF...
  • Page 33 KDL-55BX520 [POWER REGULATORS / PERIPHERAL / DRAM / LVDS] [POWER REGULATORS / PERIPHERAL / DRAM / LVDS] COMPONENT SIDE CONDUCTOR SIDE — — — — — — — — — — — — — — — — — — —...

  • Page 34: H Board Schematic Diagram

    KDL-55BX520 H BOARD SCHEMATIC DIAGRAM tpc26 tpc26 — tpc26 tpc26 VOUT +3V3SB R2 33_J R2 33_J — shield_1 shield_2 0.1U_10V_K 0.1U_10V_K tpc40t_50 tpc40t_50 NC_12P_50V_K NC_12P_50V_K 0.1U_25V_Y 0.1U_25V_Y 1U_16V_K 1U_16V_K KSM-2011TC2Q KSM-2011TC2Q Green Green 0603_Y5V 0603_Y5V 0805_X7R 0805_X7R — +3V3SB +3V3SB...
  • Page 35 KDL-55BX520 [IR/LED] COMPONENT SIDE — — [IR/LED] CONDUCTOR SIDE — — — — — — — — — — — — — KDL-55BX520...

  • Page 36: Section 2: Electrical Parts List

    KDL-55BX520 SECTION 2: ELECTRICAL PARTS LIST Items marked with an asterisk are not stocked since they NOTE: The components identified by shading RESISTORS are seldom required for routine service. Expect some delay mark are critical for safety. Replace only • All resistors are in ohms when ordering these components.

  • Page 37: 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 modified board MUST BE DESTROYED.

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