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Sony KLV-40ZX1M Training Manual

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Training Manual
Front View
Side View
LCD Monitor
EX1S Chassis
Model:
KLV-40ZX1M
Triage and Troubleshooting Guide
Course: CTV-54

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Summary of Contents for Sony KLV-40ZX1M

  • Page 1 Training Manual Front View Side View LCD Monitor EX1S Chassis Model: KLV-40ZX1M Triage and Troubleshooting Guide Course: CTV-54...

  • Page 2: Table Of Contents

    Table of Contents Section 1 - Chassis Layout ..........3 LED Backlight System Troubleshooting ......13 Model Introduction ............6 Normal Operation .............. 13 A/V Input Connection ............6 Failure Symptoms .............. 13 No Backlight & 6X Protection Blink Pattern ....13 HDMI ..................
  • Page 3 Table of Contents LVDS Waveform Diagram ..........21 Audio System Block Diagram ........22 Audio System Troubleshooting ........23 Normal Operation .............. 23 Missing Audio ..............23 Distorted Audio ..............23 Section 3 - Technical Troubleshooting Flowcharts ..24 Section 4 - Service Mode, Error History, and Factory Re- set ..................

  • Page 4: Section 1 - Chassis Layout

    Section 1 - Chassis Layout Front View Side View Total Depth 1"-1/8" (9.9mm) TV-STAND 2.1 LED Backlight Speaker System System MODEL PICTURE FIGURE 1-1 CTV-54...
  • Page 5 Chassis Layout KLV-40ZX1M LD1-Board BT3-Board (TCON) GS1-Board B-Board TV-STAND HSL-Board Speaker H1L-Board H4L-Board H3L-Board Connector USB Input AC Input HDMI Input TV-STAND L/R Speaker Sub-Woofer Speaker PCB LAYOUT DIAGRAM FIGURE 1-2 CTV-54...
  • Page 6 Chassis Layout B-Board TV-STAND H1L-Board Keys  Power Key Woofer  Function Keys  BE (TV) Microprocessor H3L-Board Power &  Trident Processor :  LEDs LED Control Video Processing HDMI Processing H4L-Board HDCP Processing SIRCS IP (Image Processor)  IR Sensor Scan Converter (Scalar) LCD Panel Assembly ...

  • Page 7: Model Introduction

    Chassis Layout Model Introduction PCB and Component Descriptions The KLV-40ZX1M is an ultra-thin LCD monitor measuring a meager 1”- Reference Figures 1-1 & 1-2 1/8” (9.9mm) in depth and weighs only 26 pounds. As mentioned, this is a monitor, so it does not contain a RF tuner to receiver television B-Board programming.

  • Page 8: Gs1-Board

    Chassis Layout GS1-Board TV-STAND Except for some regulator circuits on the B-Board, the GS1-Board is the The TV-STAND contains the speaker system which includes left, right, power supply system board, which includes the following components and sub-woofer speakers. The speaker system is replaced as assembly and circuits.

  • Page 9: Section 2 - Troubleshooting

    Section 2 - Troubleshooting Power & Backlight Systems Block Diagram GS1-Board F6150 R6016 CN6000 B-Board CN6159 CN2502 Input F6001 F2001 AU12V Audio Relay F2502 IC2505 Amplifier IC6501 RY6001 5V Reg Main CN6501 F2504 Reg 12V IC2504 1.8V & 3.3V Reg CN6156 CN2501 F2503...

  • Page 10: Gs1-Board Connector Diagram

    Troubleshooting GS1-Board Connector Diagram 4 – Grnd 3 – Grnd 2 – 12V 1 – 12V GS1-BOARD CONNECTOR DIAGRAM FIGURE 2-2 8 – Grnd 7 – Grnd 6 – Reg_12V CN6159 5 – Reg_12V 4 – AU_12V 3 – AU_12V CN6156 2 –...

  • Page 11: Ld1-Board Connector Diagram

    Troubleshooting LD1-Board Connector Diagram CN6720 LD1-BOARD CONNECTOR DIAGRAM 2 – PFC _OUT 390Vdc 1 – PFC _OUT FIGURE 2-3 LD1-Board 2 – PFC _Grnd 1 – PRI_VCC (18V) CN6721 CN6780 1 – INV_ERR 2 – BL_ON 3 – Dimmer 6 – 12V CN6781 &...

  • Page 12: Power System Troubleshooting

    Troubleshooting Power System Troubleshooting IC on the LD1-Board. Normal Operation Reference Figure 2-1 110VAC is applied to the GS1-Board, and can be measured at CN6000. In the standby mode the AC power passes through the main fuse F6001, R6001 (Inrush resistor), and BD6001 and is applied to the Main DC/DC Converter IC6501 and the Standby DC/DC Converter IC6200.

  • Page 13: Failure Symptoms

    Troubleshooting Failure Symptoms Finally, a “Dead Set” condition can be caused by a defective BE microprocessor IC3001. The main microprocessor outputs the Power- An actual power supply (GS1-Board) failure will cause one of the following On signal which activates switch Q6404 and passes the 19V from the failure symptoms.

  • Page 14: Led Backlight System Troubleshooting

    Troubleshooting LED Backlight System Troubleshooting No Backlight & 6X Protection Blink Pattern Video and audio may or may not be present before shut-off. Although Reference Figure 2-1, 2-2, and 2-3 there is no backlight the presence of video can be confirmed by shining a flashlight on the front TV screen.

  • Page 15: Momentary Backlight & 6X Protection Blink Pattern

    Troubleshooting Momentary Backlight & 6X Protection Blink Pattern The following two failures can cause a “Momentary Backlight & 6X” condition. • Defective Panel LED or LEDs • Defective LD1-Board (single voltage output) NOTE: To confirm that the LD1-Board is actually detecting a backlight failure check the INV-ERR volatge at CN6780/pin 1.

  • Page 16: Protection Mode System Block Diagram

    Troubleshooting Protection Mode System Block Diagram B-Board GS1-Board IC3011 Micr0 CN6156 CN2501 CN6000 Input Main Interface Relay DC_Detect RECT Circuit F2502 IC2005 CN6159 DC_Alert 5V Reg F6150 CN2500 CN6157 Standby 3.3V STBY CN6501 Power ON (Power 1) CN6500 1V to 3V Dimmer 390V BL_ON...

  • Page 17: Protection Mode System Troubleshooting

    Reference Figure 2-4 before shutting-off and going into a 7X Power-LED blink pattern. It will just The KLV-40ZX1M includes the following protection mode blink patterns. shut-off and activates a 7X. NOTE: All protection mode blink patterns occur using the RED Power- The main objective when a 7X blink pattern occurs is to determine which LED at the lower right front of the TV.

  • Page 18: Blink - Audio Error

    Troubleshooting 8 Blink - Audio Error activate a 14X blink pattern. If the 12V checks okay, first replace the LCD Panel assembly (includes The 8X blink protection mode occurs when one of the audio outputs is the BT3-Board). If the panel does not repair the problem then the B-Board shorted, a DC voltage level is present on the outputs, or the AU12V is must be defective.

  • Page 19: Video System Block Diagram

    Troubleshooting Video System Block Diagram User Menu Service Mode B-Board IC4704 NAND FLASH User Data White Balance GAMMA LVDS Cable LVDS Cable HSL-Board CN4700 LCD Panel Assembly LCD Panel IC1500 (EDID) BP3-Brd IC4700 TCON Panel Trident HDMI Digital HDMI Interface Video CN4202 (HDCP)

  • Page 20: Video System Troubleshooting

    DEMO Mode Test However, if the USER Menu OSD cannot be displayed you need to do The KLV-40ZX1M contains a DEMO Mode that is generated on the BT3- further troubleshooting because either IC4700 is not sending the OSD or Board and can be activated by completely disconnecting the LVDS cable the LCD Panel assembly is not able to display the OSD.

  • Page 21: Unique Main Video Board (B-Board) Or Lvds Cable Effects

    Troubleshooting The following paragraphs describe how the LCD Panel Assembly and B- • Loss of a Single Color - A loss of a single color can only be caused by a defective TRIDENT (IC4700). Use a Red, Green, and Board each have their unique affect on video processing and what affects Blue raster generator to confirm a complete loss of a single color.

  • Page 22: Lvds Waveform Diagram

    Troubleshooting LVDS Waveform Diagram cannot be replaced in the field. • Gamma Irregularity - Gamma Correction affects the overall picture brightness level and individual color (RGB) brightness levels. Gamma adjustment data is stored in the EEPROM IC4700 The BT3-Board also contains GAMMA data, which is specifically set for the associated LCD Panel.

  • Page 23: Audio System Block Diagram

    Troubleshooting Audio System Block Diagram B-Board F2000 F2002 TV-STAND D3.3V AU12V HSL-Board CN2001 IC2005 IC1500 Subwoofer Woofer (EDID) Output Amplifier IC2001 CN2000 Digital HDMI Audio DSP HDMI Interface Audio IC4700 CN1502 IC2004 CN4202 Trident (HDCP) Output Amplifier LVDS Cable Speaker AU12V Detect to IC3001...

  • Page 24: Audio System Troubleshooting

    Troubleshooting Audio System Troubleshooting defective component. 1) Replace external device with known good device Reference Figure 2-7 a) Audio OK (repair external device or connections) Normal Operation b) No Audio. Go to Step 2 There is only one audio input on this model, and that is over the HDMI. 2) Check “Speaker Detect”...

  • Page 25: Section 3 - Technical Troubleshooting Flowcharts

    Section 3 - Technical Troubleshooting Flowcharts KLV-40ZX1M Initial Contact Analysis Flowchart A Start Initial Analysis Does GO TO Go to Green Power-ON “Dead Set” Power-LED Triage Sheet Troubleshooting Replacement Parts Turn ON? Flowchart B GO TO Go to Protection Mode Power-LED “Protect Blink Code”...
  • Page 26 Troubleshooting Flowcharts KLV-40ZX1M Power-ON Troubleshooting Flowchart B NOTE: Confirm all connections Unit will Not between circuit boards before replacing Power-ON Primary – Mostly Defect ▲ Secondary – Possible Defect ■ Last Resort – Improbable Defect Press TV & Remote Check STBY 3.3V...
  • Page 27 Troubleshooting Flowcharts NOTES: KLV-40ZX1M Protection Mode 1) All Red Blink patterns will occur on the Front Troubleshooting Flowchart C 1 Panel Red Power-LED 2) All voltage are measured prior to unit shutdown 3) Confirm all connections between circuit boards Primary – Mostly Defect...
  • Page 28 Troubleshooting Flowcharts NOTES: KLV-40ZX1M Protection Mode 1) All Red Blink patterns will occur on the Troubleshooting Flowchart C 2 Front Panel Red Power-LED 2) All voltage are measured prior to unit shutdown Primary – Mostly Defect 3) Confirm all connections between circuit ▲...
  • Page 29 Troubleshooting Flowcharts NOTES: KLV-40ZX1M Protection Mode 1) All Red Blink patterns will occur on the Front Troubleshooting Flowchart C 3 Panel Red Power-LED 2) All voltage are measured prior to unit shutdown 3) Confirm all connections between circuit boards Primary – Mostly Defect Unit Shuts OFF ▲...
  • Page 30 Troubleshooting Flowcharts NOTES: KLV-40ZX1M Protection Mode 1) All Red Blink patterns will occur on the Front Panel Red Power-LED Troubleshooting Flowchart C 4 2) All voltage are measured prior to unit shutdown 3) Confirm all connections between circuit boards Primary – Mostly Defect...
  • Page 31 Troubleshooting Flowcharts KLV-40ZX1M Missing or Distorted Video Troubleshooting Flowchart D Primary – Mostly Defect NOTE: Confirm all connections ▲ Secondary – Possible Defect between circuit boards before replacing ■ Last Resort – Improbable Defect Missing or Distorted Video NOTE: DEMO Mode Procedure on page ?? of this training manual .
  • Page 32 Troubleshooting Flowcharts KLV-40ZX1M Missing or Distorted Audio Troubleshooting Flowchart E NOTE : Confirm all connections between circuit boards before replacing Missing or Distorted Audio (Speaker Outputs ) Check External Device and Connections Swap Devices and connections Repair External External Device &...

  • Page 33: Section 4 - Service Mode, Error History, And Factory Re- Set

    Section 4 - Service Mode, Sef-Check, and Factory Reset Entering Service Mode: With the TV OFF press the following buttons on the remote controller in sequence. Display > 5 > Vol+ > Power Use the down arrow to scroll to the next page and the up arrow to scroll back to the previous page Back Back...
  • Page 34 Self-Check & Factory Reset Entering Self-Check Screen (Error History): With the TV OFF press the following buttons on the remote controller in sequence . Display > 5 > Vol- > Power Use the down arrow to scroll to the next page and the up arrow to scroll back to the previous page To RESET any item back to zero scroll to , and highlight, that item and press ENTER (or Jog button ).
  • Page 35 Self-Check & Factory Reset Factory Reset for EX 1S Chassis 1) Turn the TV On. 2) Press and Hold the “Up Arrow” on the remote controller . 3) Press and Hold the “Power” button on the TV top key Panel . Note: The screen will go blank.

  • Page 36: Section 5 - Disassembly & Assembly

    Section 5 - Disassembly & Assembly Rear Cover Removal Diagram After removing six screws slide rear panel up to release and remove Grasp Outer Edge Grasp Outer Edge Push up Push up CTV-52...

  • Page 37: Bt3-Board Removal Diagram

    Block Diagrams BT3-Board Removal Diagram 2) Disconnect Flat Cables to Panel BT Board 1) Remove BT Board Shield Lift Tape CAUTION: Be extremely careful with wires when replacing BT-Board Shield CTV-52...

  • Page 38: Sub-Chassis Removal Diagram

    Block Diagrams Sub-Chassis Removal Diagram Sub-Chassis Assembly CTV-52...

  • Page 39: Rear Cover Installation Diagram

    Block Diagrams Rear Cover Installation Diagram Rear Cover (Inside View) Insert Clips into top of Sub-Chassis Insert Clips into slots on both sides of Sub-Chassis Insert Clips into bottom of Sub-Chassis NOTE: Once side clips are inserted side rear cover down to insert and lock top and bottom clips in place.
  • Page 40 Sony Electronics 2007 Sony Electronics, Inc. EMCSA - A Service Company 16530 Via Esprillo San Diego, CA 92127 CTV540206 06/23/09 Reproduction in whole or part without written permission is prohibited. All rights reserved...

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