Sony KDL-40SL140 Training Manual
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Sony KDL-40SL140 Training Manual

Sony KDL-40SL140 Training Manual

Ma2f chassis
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Training Manual
BRAVIA
MA2F Chassis
Models:
KDL-40SL140
KDL-46SL140
Triage and Troubleshooting Guide
Course: CTV-51

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Summary of Contents for Sony KDL-40SL140

  • Page 1 Training Manual BRAVIA MA2F Chassis Models: KDL-40SL140 KDL-46SL140 Triage and Troubleshooting Guide Course: CTV-51...

  • Page 2: Table Of Contents

    Table of Contents Section 1 - Input & Output Layout and Description ..3 Audio System Block Diagram ........14 Input Descriptions ............4 Section 4 - Troubleshooting ..........15 RF Input ................4 Symptom & Solution ............15 Composite Video & Audio Inputs 1 & 2 ........ 4 TV will not Turn ON (Dead Set) .........
  • Page 3 Table of Contents Section 5 - Triage Charts & Troubleshooting Flowcharts 26 Section 6 - Service Mode & Self Check ......36 Figures IP5Z-Board Test Points Fig. 4-1........21 Balancer Board Test Points Fig. 4-2........22 LVDS Cable Video Test Points Fig. 4-3......23 TCON Distortions Photographs Fig.

  • Page 4: Section 1 - Input & Output Layout And Description

    Section 1 - Input & Output Layout and Description HDMI Input Composite Input Component HDMI & DVI USB (Service Only) Inputs Inputs Digital Audio Output (Optical) Audio Output Composite Input Inputs RF Input CTV-51...

  • Page 5: Input Descriptions

    No Output HDMI connector. PC Video & Audio Input The MA2F chassis models (KDL-40SL140 and KDL-46SL140) have a Personal Computer Input (PC-IN), which connects directly to the PC 15 pin DIN connector (HD15 connector). Once connected the TV functions as a video monitor and audio output (separate Stereo Mini Plug) for the PC.

  • Page 6: Section 2 - Chassis Pcb Layout

    Section 2 - Chassis PCB Layout HM1-Board TCON Board LVDS Cable Balancer IP5Z-Board Board BM5-Board HM5-Board KDL-40SL140 CTV-51...
  • Page 7 Chassis PCB Layout H1-Board LVDS Cable TCON Board Balancer Board IP5Z-Board BM5-Board HM1-Board KDL-46SL140 CTV-51...

  • Page 8: Pcb Functional Descriptions

    Chassis PCB Layout PCB Functional Descriptions • Power Factor Control (PFC) • Inrush Relay Reference Figures 2-1 & 2-2 • Main Fuse (F1) BM5-Board The Backlight Inverter (or power supply) is located on the IP5Z-Board. The Backlight Inverter section develops two 1.1KV high voltage outputs The circuits located on the BM-Board perform all Video and Audio (180 degrees out-of-phase) used to drive the Backlight Balancer Board processing functions.

  • Page 9: Lcd Panel Assembly

    Chassis PCB Layout LCD Panel Assembly The LCD Panel Assembly includes the LCD Panel, TCON, and Backlight Lamps. The LCD Panel contains the actual liquid crystals, color fi lters, and polarizers. The liquid crystals are manipulated by the applied voltage to pass a specifi...

  • Page 10: Section 3 - Block Diagrams

    Section 3 - Block Diagrams Overall Chassis Block Diagram BM5 Board RF/Cable HM5-Board A/V & SIRCS Composite & S-Video 1 S-Switch LEDs  IR Sensor  Power & Composite Video 2 Analog LED Control Illumination  Sensor Composite Video 3 Analog HM1-Board Component 1...

  • Page 11: Power System Block Diagram

    Block Diagrams Power System Block Diagram HV1 – 1.1KV IP5Z-Board HV2 – 1.1KV LCD Panel CN6700 DRV1 Assembly Q6706 IC6701 T6800 Q6602 Balancer Board CCFL 1.1KV DRV2 T6600 Q6707 Q6603 (~2KV Strike Voltage) Backlights IC6702 CN6150 CN4001 BM5-Board Audio AU15V Output &...

  • Page 12: Protection Circuits Block Diagram 1

    Block Diagrams Protection Circuits Block Diagram 1 BM5-Board Balancer Board DC_Detect R3031 R3034 3.1V 12V LVP C3007 R3037 IP5Z-Board CN6700 Backlight Inverter Section Reg 5V R4063 DC_Alert 2 D1.8V IC7005 F7001 3.1V D2.5V LVP R6009 Switching Q4017 D1.0V D1.8V LVP Regulator R4064 CN602...

  • Page 13: Protection Circuits Block Diagram 2

    Block Diagrams Protection Circuits Block Diagram 2 LCD Panel Assembly BM5-Board CN9102 Panel 12V Q4018 Panel TCON 12V Regulator IC3007 Backlights Balancer Board Temp. Protect Temp CN102 CN104 Sensor IP5Z-Board CN6700 IC3011 DMM: 200mVrms Micro Main Power 400mVrms Supply Backlight Inverter Section Min 1V...

  • Page 14: Video System Block Diagram

    Block Diagrams Video System Block Diagram User Menu Service Mode BM5-Board IC7402 ATSC NAND FLASH TU7601 User Data NTSC/ATSC NTSC White Balance Tuner GAMMA CV or Y/C Video 1 Video 2 CN9102 LCD Panel Assembly Video 3 IC9106 LVDS TX IC1800 Panel TCON...

  • Page 15: Audio System Block Diagram

    Block Diagrams Audio System Block Diagram BM5-Board HDMI 1 IC5801 HDMI HDMI 3 Receiver HDMI 4 IC6000 Digital HDMI Audio HDMI 2 Receiver ATSC NTSC/ATSC NTSC Tuner CN1801 LR Audio SPDIF Digital Audio Outpurt Video 1 (Optical) LR Audio Video 2 IC7000 LR Audio Xilleon...

  • Page 16: Section 4 - Troubleshooting

    Section 4 - Troubleshooting Symptom & Solution TV Shuts Down and Indicates a Protection Mode Reference the appropriate Block Diagrams in Section 2 of this manual and Reference Figures 4-1, 4-2, 4-3 the Test Point Diagrams in this section as you read through the following Reference Power System Block &...

  • Page 17: Blink Pattern (D1.8V Or D2.5V Failure)

    Troubleshooting b) 3.3V POWER_ON present replace IP5Z Board 6X Troubleshooting Procedure: For the following protection mode symptoms reference Protection Circuits 1) Check for Backlight (bright raster) before TV Shut Down. The Block Diagrams. backlight illumination can also be viewed through holes on the rear of the LCD panel with the TV rear cover removed.

  • Page 18: Blink Pattern (Temperature Failure)

    Troubleshooting 7X Blink Pattern (Temperature Failure) In either case the BM5-Board must be replaced to fi x the problem. These models do not display a temperature warning OSD dialogue 8X Blink Pattern (Audio Failure) box before shutting OFF and going into a 7X Timer/PIC OFF LED blink pattern.

  • Page 19: No Video (All Inputs)

    Troubleshooting • Missing or Distorted Video on Individual Inputs whether the BM5-Board or the LCD Panel is defective. Video Anomaly: Perform the following steps to quickly determine if the BM5-Board or LCD Panel is causing a “No Video” on all inputs condition. •...

  • Page 20: Unique Main Video Board (Bm5-Board) Or Lvds Cable Effects

    Troubleshooting the distortion. line(s) or pixel(s) will be black, white, or colored (red, green, or blue). These lines and pixels will also be very sharp in detail. Unique Main Video Board (BM5-Board) or LVDS Cable Effects • Random Line(s) of Pixels (Random Movement) - The TCON board controls the charging and timing of the pixels.

  • Page 21: Audio Troubleshooting

    Troubleshooting into zones over the entire screen. Therefore, a gamma distortion Substitute a known good device and cable on the suspected faulty input. can show up as a color brightness irregularity in specifi c zones Connect the device and cable at separate times to determine if the device or specifi...
  • Page 22 Troubleshooting CN6154 Dimmer Backlight ON Inverter Error CN6700 IC6100 12V Pins 11 - 13 IC6200 AU15V Pins 4 - 5 CN6701 3.3V Power-ON Pin 3 POWER-ON Pin 1 CN6150 RY6000 IP5Z-BOARD TEST POINTS FIGURE 4-1 110 VAC CTV-51...
  • Page 23 Troubleshooting ~1Vpp ~1.5Vpp 500mV per div. 2.5ms per div. 500mV per div. 2.5ms per div. Normal Balancer Output Waveform at Lamp Connector Example Area for Balancer Output HV1 & HV2 Waveform Individual Lamp Connectors ~1.5Vpp Place a DMM probe (set to AC Volts) over any one of the positions indicated by the yellow stars to measure approximately 3VAC for a good...
  • Page 24 Troubleshooting CAUTION: Probe Carefully . Do not short live video wire to black ground wire . VOM AC Voltage Measurement – Approx. 20mVAC No Video AC Voltage Measurement - Approx. 5mVAC ~20mVpp LVDS Video (Twisted Pairs ) 5mV per div. 5us per div .
  • Page 25 Troubleshooting TCON BOARD DISTORTIONS FIGURE 4-4 CTV-51...
  • Page 26 Troubleshooting TCON BOARD DISTORTION FIGURE 4-5 CTV-51...
  • Page 27 Troubleshooting Complete Lose of LVDS Signals from BM5-Board to the TCON board / 12V OK to TCON board / Audio OK LOSS OF LVDS VIDEO DISTORTION FIGURE 4-6 CTV-51...
  • Page 28 Troubleshooting Defective Xilleon IC (BM5-Board) Video Distortions BM5-BOARD FAILURE DISTORTIONS FIGURE 4-7 CTV-51...
  • Page 29 Section 5 - Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 Initial Contact Analysis Flowchart A Start Initial Analysis Does GO TO Go to Green “Power” Power-ON “No Green LED” Triage Sheet Troubleshooting Replacement Parts Turn ON? Flowchart B GO TO Go to “Timer/PIC OFF”...
  • Page 30 Triage Charts & Troubleshooting Flowcharts Sony KDL-40SL140 Technical Triage Summary Sheet Before you make the service call… Chassis: MA2F Last Update: 09/12/2008 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom.
  • Page 31 Triage Charts & Troubleshooting Flowcharts Sony KDL-46SL140 Technical Triage Summary Sheet Before you make the service call… Chassis: MA2F Last Update: 09/12/2008 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3. Bring all the boards listed for that symptom.
  • Page 32 Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 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 Check STBY 3.3V TV &...
  • Page 33 Triage Charts & Troubleshooting Flowcharts NOTES: KDL-40, 46SL140 Protection Mode 1) All Red Blink patterns will occur on the Front Troubleshooting Flowchart C 1 Panel Red “Timer/PIC OFF” LED 2) All voltage are measured prior to unit shutdown 3) Confirm all connections between circuit boards Primary –...
  • Page 34 Triage Charts & Troubleshooting Flowcharts NOTES: KDL-40, 46SL140 Protection Mode 1) All Red Blink patterns will occur on the Front Troubleshooting Flowchart C 2 Panel Red “Timer/PIC OFF” LED 2) All voltage are measured prior to unit shutdown 3) Confirm all connections between circuit boards Primary –...
  • Page 35 Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 Protection Mode Troubleshooting Flowchart C 3 NOTES: 1) All Red Blink patterns will occur on the Front Unit Shuts OFF Primary – Mostly Defect Panel Red “Timer/PIC OFF” LED ▲ RED LED Secondary – Possible Defect 2) All voltage are measured prior to unit shutdown ■...
  • Page 36 Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 Protection Mode NOTES: Troubleshooting Flowchart C 4 1) All Red Blink patterns will occur on the Front Panel Red “Timer/PIC OFF” LED 2) All voltage are measured prior to unit shutdown Primary – Mostly Defect 3) Confirm all connections between circuit boards Unit Shuts OFF ▲...
  • Page 37 Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 Missing or Distorted Video Troubleshooting Flowchart D NOTE: Confirm all connections between circuit boards before replacing Primary – Mostly Defect Missing or ▲ Secondary – Possible Defect Distorted Video ■ Last Resort – Improbable Defect All Video Inputs : Video 1 Composite &...
  • Page 38 Triage Charts & Troubleshooting Flowcharts KDL-40, 46SL140 Missing or Distorted Audio NOTE: Confirm all connections between Troubleshooting Flowchart E circuit boards before replacing Reference Figures 3-1 & 3-2 for Test Point Locations Missing or Distorted Audio (Speaker Outputs ) All Video Inputs : Video 1 Composite &...
  • Page 39 Section 6 - Service Mode & Self Check Service Mode Access Display > 5 > Volume + > Power The Service Mode screen includes the following information. • Software Version (Ex. ER1.6F-A802F) • Model Information (Model # and Serial #) •...
  • Page 40 Sony Electronics 2007 Sony Electronics, Inc. EMCSA - A Service Company 16530 Via Esprillo San Diego, CA 92127 CTV510708 CTV510708 09/23/08 09/23/08 Reproduction in whole or part without written permission is prohibited. All rights reserved Reproduction in whole or part without written permission is prohibited.

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