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Sony KDL46XBR10 Training Manual

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EX2S/EX2WM Direct-View LCD Television Chassis
Circuit Description and Troubleshooting Guide
MODELS:
KDL46XBR10
KDL52XBR10
Training Manual
KDL52XBR10
Course : CTV-62

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Summary of Contents for Sony KDL46XBR10

  • Page 1 Training Manual KDL52XBR10 EX2S/EX2WM Direct-View LCD Television Chassis Circuit Description and Troubleshooting Guide MODELS: KDL46XBR10 KDL52XBR10 Course : CTV-62...

  • Page 2: Table Of Contents

    Table of Contents Chapter 1 – Introduction ............. 1 Media Receiver ..............7 Wireless HD Module Replacement ........ 10 Overview ................1 Features ................1 Media Receiver ..............10 Wireless HD Module Pairing ..........15 Full HD 1080 Panel .............. 1 Troubleshooting .............
  • Page 3 Table of Contents (continued) Chapter 5 – Monitor Circuit Description ......26 Overview ................ 26 Circuit descriptions ............26 QTM Board ................ 26 BE Micro ................26 Video Data ................26 Audio Data ................26 Wireless Module ..............26 RF Remote Module ............26 GD1 Board .................

  • Page 4: Chapter 1 - Introduction

    The customer has the option of changing the settings of the Motion Enhancement and Motion Compensation circuits to smooth the “judder” The EX2S/EX2WM chassis is the top of the line model for the 2009 Sony inherent with 24-frame film-based content or keep the judder for a film-like Bravia®...

  • Page 5: Edge Led Backlighting

    The detected and displayed. One example is when a USB storage device is Bravia Sync feature uses the CEC format to control other Sony devices plugged into the USB2.0 side input that contains JPEG format photos.

  • Page 6: Bravia® Sync

    By utilizing the CEC feature of HDMI 1.3, this feature allows the customer An industry standard networking protocol has been developed by leading to easily control the various Sony devices within their home entertainment manufacturers to allow other devices such as a compatible computer system provided that all of the other devices have this feature included.

  • Page 7: Chapter 2 - Wireless Features

    Chapter 2 – Wireless Features Overview Note the significant increase in bits-per-second when using the 60GHZ band. Higher transmit power is allowed because 60GHZ is absorbed at One of the several new features found in the EX2S/EX2WM chassis is the a greater rate by the oxygen in the air.

  • Page 8: Wireless Hd Module

    Chapter 2 - Wireless Features Wireless HD Module Figure 2-2 illustrates the wireless module used for the source (transmit) side in the medial receiver unit. Audio and video information is received via a LVDS connection to the processing circuits. The RF processor and transmitter modulates the LVDS information to the RF carrier.
  • Page 9 Chapter 2 - Wireless Features TRANSMITTER RECEIVER LVDS COMPONENTS PANEL 12V GROUND I²C DATA LVDS TX LVDS RX LVDS TX LVDS RX TX0~4 EVEN TX0-4 ODD TX EVEN CLOCK TX ODD CLOCK I²S DATA AND CLOCK SPDIF (NOT USED) WIRELESS MODULE WIRELESS MODULE (SOURCE) (SINK)

  • Page 10: Wireless "Pairing

    Chapter 2 - Wireless Features Remote Control RF The sub micro located on the BUB board of the media receiver sends commands to the RF remote module via a UART bus. The same holds true for the BE micro located on the QTM board on the monitor. Both microprocessor and RF remote modules can send or receive data.
  • Page 11 Chapter 2 - Wireless Features Monitor Following the illustration in Figure 2-6, remove the indicated screws securing the bracket. Flip the bracket over to expose the RF module. Remove the stand (if installed) and the rear cover of the monitor as instructed in the service manual.
  • Page 12 Chapter 2 - Wireless Features PRESS “5” KEY PRESS “3” KEY TO TO ENTER CHANGE DATA TO GROUP 28, “1” ITEM 1 PRESS RF SERVICE BUTTON FOR AT LEAST 2 SECONDS “EXECUTING” WILL APPEAR DONE! FIGURE 2-7 RF REMOTE MODULE PAIRING CTV-62...

  • Page 13: Wireless Hd Module Replacement

    Chapter 2 - Wireless Features Remote Control RF Module Pairing If one or both of the RF remote modules is replaced, they must be “paired”. A unique encryption must be applied to prevent communication with another television if it exists in the area. The top cover and plate must be removed from the media receiver to gain access to the circuit boards.
  • Page 14 Chapter 2 - Wireless Features USE FLAT TOOL TO KEEP HEAT TRANSFER PAD ATTACHED TO WIRELESS MODULE REMOVE FRONT SHIELD. NOTE HEAT TRANSFER PAD HEAT TRANSFER PAD MUST BE UNPLUG LVDS PLACED ON CABLE REPLACEMENT MODULE FIGURE 2-9 MEDIA RECEIVER WIRELESS MODULE REMOVAL (STEP 2) CTV-62...
  • Page 15 Chapter 2 - Wireless Features Monitor Referring to Figure 2-10, remove the AC inlet from the stand cover plate by carefully prying the claws on both sides of the socket. Remove the If the stand is attached to the monitor, it must be removed. Lay the monitor single machine screw and lift the cover plate off.
  • Page 16 Chapter 2 - Wireless Features Referring to Figure 2-11, unplug the power connectors for the LED Remove the indicated machine screws shown in Figure 2-12. Release the backlights and remove the cable from the retainers. It is not necessary to cable from the tape and remove the heat sink plate.
  • Page 17 Chapter 2 - Wireless Features The stand plate can now be flipped over to expose the wireless module as illustrated in Figure 2-13. The module is secured by 3 screws. Note the location of the conductive pads on the stand plate in the illustration and be certain they are still intact.

  • Page 18: Wireless Hd Module Pairing

    Chapter 2 - Wireless Features Wireless HD Module Pairing Press the “5” key on the remote to navigate to group 25 “BRORA INFO”. Press the “1” key to navigate to line item 4, “PAIRING”. Change the data If one or both of the wireless modules is replaced, they must be paired once from “0”...

  • Page 19: Troubleshooting

    Chapter 2 - Wireless Features Troubleshooting cause of a remote control failure. If an RF or Wireless HD communication problem occurs between the media Wireless receiver and monitor it will become necessary to isolate the cause by Remote Not determining in which component it is originating. The media receiver and Working monitor contain monitoring devices which will activate the self-diagnostics feature in most cases.
  • Page 20 XMB graphics. By scrolling all the way to the left and then to the top, select “Contact Sony”. Open the “Signal Diagnostics” icon and the strength of the wireless link can be observed as shown in Figure 2-17.
  • Page 21 Chapter 2 - Wireless Features No Wireless HD Link Is Wireless HD LINK LED lit on Wireless HD Link OK media receiver ? Remove AC power from CRAWLING DOTS media receiver WHILE MONITOR IS and turn monitor ATTEMPTING LINK Does monitor Media Receiver display searching for BUB board...

  • Page 22: Chapter 3 - Overall Circuit Description

    Media Receiver Circuit Board and Component Views The MBT-WZ5 media receiver contains the following circuits and components: Figure 3-2 illustrates a rear view of the KDL46XBR10 while Figure 3-3 illustrates the components inside the media receiver unit. • Power supply •...
  • Page 23 Chapter 3 - Overall Circuit Description WIRELESS A/V WIRELESS A/V ANT/CABLE IN (SOURCE) (SINK) COMPOSITE/ COMPONENT 1 IN COMPOSITE 2 IN WIRELESS WIRELESS REMOTE TX/RX REMOTE TX/RX HDMI 1 ~ 4 IN MONITOR MEDIA RECEIVER BOX PC IN POWER SUPPLY/LED DRIVE ATSC/NTSC TUNER ETHERNET WIRELESS HD (SINK)
  • Page 24 Chapter 3 - Overall Circuit Description WIRELESS RF REMOTE MODULE MODULE BEHIND STAND BEHIND POWER PLATE SPEAKER SWITCH FIGURE 3-2 MONITOR CIRCUIT BOARD LOCATIONS CTV-62...
  • Page 25 Chapter 3 - Overall Circuit Description RF REMOTE MODULE WIRELESS MODULE FIGURE 3-3 MEDIA RECEIVER CIRCUIT BOARD LOCATIONS CTV-62...

  • Page 26: Chapter 4 - Media Receiver Circuit Description

    Chapter 4 – Media Receiver Circuit Description Overview Digital Sources All 4 HDMI inputs are input to IC5000 where the inputs are selected and The media receiver unit is an integrated device included with the KDL46/ equalized from high impedance to low impedance for input to IC7000. 52XBR10 models.
  • Page 27 Chapter 4 - Media Receiver Circuit Description ATSC/NTSC ANT/CABLE IN TUNER COMPOSITE/ COMPONENT 1 IN COMPONENT 2 IN LVDS PC AUDIO IN WIRELESS MODULE (SOURCE) HDMI EQ AND HDMI 1, 3, 4 IN SWITCH IC7000 IC5000 FRONT INPUTS AMD X255 HDMI 2 IN COMPOSITE 2 IN USB 2.0...

  • Page 28: Power Supply

    Chapter 4 - Media Receiver Circuit Description Power Supply H3B Board The GB2 board receives AC input and provides a standby power source Contains 3 white LED’s for decorative front lighting of the faceplate. along with a switched supply to generate the necessary voltages used by the various circuits.

  • Page 29: Chapter 5 - Monitor Circuit Description

    Chapter 5 – Monitor Circuit Description Overview Audio Data Audio data received by the Wireless Module is converted to I2S format and The LCD monitor functions much like any other monitor except that all directed to IC2001 where it is D/A converted for amplification by IC2004 to audio and video content is input via the wireless module receiver.
  • Page 30 Chapter 5 - Monitor Circuit Description LVDS RX TCON WIRELESS LVDS LCD PANEL 240 HZ HFR IC7002 HD RECEIVER XMITTER IC8000 IC7201 TOUCH WIRELESS MODULE SENSOR (SINK) IC3001 POWER IC3707 BE MICRO USB 1.1 SWITCH (SERVICE) MICRO LED’S IR RECEIVER RF REMOTE UART MODULE...

  • Page 31: Reverse Panel Drive

    Chapter 5 - Monitor Circuit Description Reverse Panel Drive Most LCD panel designs position the TCON board near the top center of the panel. This is done for various reasons but there is no rule set in stone that requires this. The EX2S/EX2WM chassis contains TCON circuitry on the QTM board.

  • Page 32: Troubleshooting

    XMB user menu graphics and opening the “Product Support” logo. In cases where no audio is generated from any inputs and the devices Open the “Contact Sony” logo and observe the “Link” level. It should be are not shutting down, isolating the audio failure to the media receiver or “medium”...
  • Page 33 Chapter 5 - Monitor Circuit Description UNPLUG LVDS CONNECTOR CN8001 TO ACTIVATE SELF-TEST PATTERNS IN TCON CIRCUITS FIGURE 5-3 TCON SELF-TEST PATTERN ACTIVATION CTV-62...
  • Page 34 Chapter 5 - Monitor Circuit Description Video Failure UNPLUG LARGE LVDS Test patterns Media Receiver All inputs? CONNECTOR ON appear ? BUB Board QTM BOARD OF MONITOR No video or Video distorted video? Media Receiver Monitor Distorted BUB Board QTM board Media Receiver All inputs? BUB Board...

  • Page 35: Chapter 6 - Power Supplies And Protection

    Chapter 6 – Power Supplies and Protection Overview IC6400 functions as an AC detect circuit. If AC power is lost at the bridge rectifier or the main switching supply fails, the AC Off detect exiting at Since the media receiver and monitor function as separate devices, they CN1003 pin 2 will go low.
  • Page 36 Chapter 6 - Power Supplies and Protection F6001 3.15A R6100 0.47Ω IC6100 Q6100 D6000 SWITCHING POWER SUPPLY D6300 D6203 CN1003 NOT USED POWER ON IC6400 AC OFF DET AC DETECT TO BUB STBY 3.3V BOARD 9~13 UNREG 12V F6250 IC6250 Q6250 Q6251 STANDBY...

  • Page 37: Standby Power

    GD1 board used in the monitor. It is similar to power supplies found in most groups of series connected LED backlights located along the lower Sony televisions. A dedicated standby switching regulator provides power edge of the LCD panel. This power supply is turned on by a backlight on for the devices that must remain running constantly.
  • Page 38 Chapter 6 - Power Supplies and Protection F6001 CN6800 TO LED R6002 + OUT BACKLIGHTS IC6700 Q6706, 6707 CN6801 T6700 395VDC T6701 - OUT1 - OUT2 D6002 TO LED BACKLIGHTS INVERTER - OUT3 - OUT 4 RY6000 CN6150 1, 2 AU_GND IC6100 3, 4...

  • Page 39: Troubleshooting

    Chapter 6 - Power Supplies and Protection Troubleshooting Power supply failures occurring in the media receiver or monitor will provide a diagnostics code via the POWER/STBY LED on the affected device. In situations where a complete power supply failure occurs there will not be a diagnostics indicator.
  • Page 40 Chapter 6 - Power Supplies and Protection LED Backlight Drive In Figure 6-4, the LED backlight power supply located on the GD1 board is shown. IC6700 contains the oscillator and drive circuits for the switching transistors Q6706 and Q6707. The PFC 390V source provides drive voltage to the switching circuit.
  • Page 41 Chapter 6 - Power Supplies and Protection CN6800 + OUT 1 + OUT 2 + OUT 3 R6705 + OUT 4 0.47Ω 0.5W D6805 D6800 Q6706 L6800 IC6700 T6700 L6801 CN6801 D6806 Q6707 - OUT 1 - OUT 2 D6801 - OUT 3 - OUT 4 D6807...

  • Page 42: Backlight Troubleshooting

    Chapter 6 - Power Supplies and Protection Protection on command does not go high, the backlights will not light and the unit will not shut down. A failure outside of the GD1 board is suspect The television will shut down and display a 6 blink error code on the POWER/STBY LED if the following faults occur: If the backlights light evenly across the screen, the inverter circuit is likely shutting down due to excessive voltage or current conditions.
  • Page 43 Chapter 6 - Power Supplies and Protection No Backlights 0.5V or 3.3V higher CN6250 -8 on GD1 Board CN6250 -9 on GD1 Board? GD1 board ? Shutting down with 6 blinks ? QTM Board QTM Board Backlights at GD1 Board turn on ? Missing vertical band of...
  • Page 44 Chapter 6 - Power Supplies and Protection Media Receiver Protection Several voltages and components are monitored by TV Micro IC3002 on the BUB board as illustrated in Figure 6-6. Any fault detected by IC3002 will cause the unit to shut down and blink the POWER/STBY LED on the media receiver.
  • Page 45 Chapter 6 - Power Supplies and Protection Monitor Protection Figure 6-7 illustrates a block diagram of the circuits monitored by BE Micro IC3001 on the QTM board. Any fault detected will cause the television system to shut down and blink the POWER/STBY LED on the monitor bezel to indicate the fault.
  • Page 46 Chapter 6 - Power Supplies and Protection Diagnostics History Whenever a fault is detected on one of the monitored lines, that event is stored in memory for later retrieval. This history of failures can be viewed by pressing “DISPLAY”, “5”, “VOL-” and “POWER” on the remote commander when the television is off.
  • Page 47 Chapter 6 - Power Supplies and Protection ERROR COUNT “1” FIGURE 6-9 MONITOR DIAGNOSTICS PAGES CTV-62...
  • Page 48 Chapter 6 - Power Supplies and Protection Test Points Key test point locations are provided to facilitate further analysis of failures. The test points for the monitor are illustrated in Figure 6-10 and the test points for the media receiver in Figure 6-11 CN6250 1 –...
  • Page 49 Chapter 6 - Power Supplies and Protection CN3006 CN1004 CN1003 TO H5B BOARD TO UUC AC IN BOARD CN1003 CN7800 2 – AC_OFF_DET 3 – STBY_3.3 LVDS TO 4~8 – GND WIRELESS 9~13 – REG_12V MODULE FIGURE 6-11 MEDIA RECEIVER TROUBLESHOOTING TEST POINTS CTV-62...
  • Page 50 Sony Electronics 2009 Sony Electornics, Inc. SEL Service Company 16530 Villa Esprillo National Training Dept. MZ3215 CTV621009 12/23/09 San Diego, CA 92127 Reproduction in whole or part without written permission is prohibited. All rights reserved...

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