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Colour Television Chassis
Q549.2E
LA
18310_000_090317.eps
090317
Contents Page Contents Page
1. Revision List 2 SSB: SRP List Part 2 136
2. Technical Specifications and, Connections 2 Light guide 139 140
3. Precautions, Notes, and Abbreviation List 6 Wi-Fi Antenna 141 141
4. Mechanical Instructions 10
5. Service Modes, Error Codes, and Fault Finding 15
6. Alignments 36
7. Circuit Descriptions 42
8. IC Data Sheets 53
9. Block Diagrams
Wiring Diagram 32" (Elite Core) 59
Wiring Diagram 37" (Elite C
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EN 2 1. Q549.2E LA Revision List 1. Revision List Manual xxxx xxx xxxx.0 • First release. Manual xxxx xxx xxxx.1 � All Chapters: the following sets to the manual: see Table 2-1 Described Model numbers. � Chapter 5: paragraph 5.8.10 PCI bus added. � Chapter 6: paragraph 6.6 Service SSB delivered without main software loaded added. 2. Technical Specifications and, Connections Index of this chapter: 2.1 Technical Specifications 2.2 Directions for Use 2.3 Connections 2.4 Chassis Overview Notes: �
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Technical Specifications and, Connections Q549.2E LA 2. EN 3 2.3 Connections SERVICE UART VGA AUDIO IN VGA NETWORK 4 3 2 1 18310_001_090317.eps 090317 Figure 2-1 Connection overview 2009-May-08
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EN 4 2. Q549.2E LA Technical Specifications and, Connections Note: The following connector colour abbreviations are used Cinch: S/PDIF - Out (acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Bk - Coaxial 0.4 - 0.6V / 75 ohm PP Grey, Rd= Red, Wh= White, Ye= Yellow. Cinch: Audio - Out 2.3.1 Side Connections Rd - Audio - R 0.5 V / 10 kohm RMS Wh - Audio - L 0.5 V / 10 kohm RMS Head phone (Output) Bk - Head phone 32 - 600 ohm / 10 mW EXT3: Cinch: Video YPbPr - In, Audio - In Gn
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Technical Specifications and, Connections Q549.2E LA 2. EN 5 Cinch: Audio - In (VGA/DVI) 5-Shield Gnd Rd - Audio R 0.5 V / 10 kohm 6-D1- Data channel RMS Wh - Audio L 0.5 V / 10 kohm 7-D0+ Data channel RMS 8-Shield Gnd 9-D0- Data channel HDMI 1, 2, 3 & 4: Digital Video, Digital Audio - In 10-CLK+ Data channel 11-Shield Gnd 19 1 18 2 12-CLK- Data channel E_06532_017.eps 13-Easylink/CEC Control channel 250505 14-n.c. 15-DDC_SCL DDC clock Figure 2-6 HDMI (type A) conn
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EN 6 3. Q549.2E LA Precautions, Notes, and Abbreviation List 3. Precautions, Notes, and Abbreviation List Index of this chapter: picture carrier at 475.25 MHz for PAL, or 61.25 MHz for 3.1 Safety Instructions NTSC (channel 3). 3.2 Warnings � Where necessary, measure the waveforms and voltages 3.3 Notes with () and without ( ) aerial signal. Measure the 3.4 Abbreviation List voltages in the power supply section both in normal operation (
) and in stand-by (). These values are indicated by
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Precautions, Notes, and Abbreviation List Q549.2E LA 3. EN 7 3.3.6 Alternative BOM identification 3.4 Abbreviation List It should be noted that on the European Service website, 0/6/12 SCART switch control signal on A/V “Alternative BOM” is referred to as “Design variant”. board. 0 = loop through (AUX to TV), 6 = play 16 : 9 format, 12 = play 4 : 3 The third digit in the serial number (example: format AG2B0335000001) indicates the number of the alternative AARA Automatic Aspect Ratio Adaptat
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EN 8 3. Q549.2E LA Precautions, Notes, and Abbreviation List DNR Digital Noise Reduction: noise uses 8 bit or 10 bit data words, and has reduction feature of the set a maximum data rate of 270 Mbit/s, DRAM Dynamic RAM with a minimum bandwidth of 135 DRM Digital Rights Management MHz. DSP Digital Signal Processing ITV Institutional TeleVision; TV sets for DST Dealer Service Tool: special remote hotels, hospitals etc. control designed for service LS Last Status; The settings last chosen techn
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Precautions, Notes, and Abbreviation List Q549.2E LA 3. EN 9 PWM Pulse Width Modulation Y Luminance signal QRC Quasi Resonant Converter Y/C Luminance (Y) and Chrominance (C) QTNR Quality Temporal Noise Reduction signal QVCP Quality Video Composition Processor YPbPr Component video. Luminance and RAM Random Access Memory scaled color difference signals (B-Y RGB Red, Green, and Blue. The primary and R-Y) color signals for TV. By mixing levels YUV Component video of R, G, and B, all colors (Y/C)
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EN 10 4. Q549.2E LA Mechanical Instructions 4. Mechanical Instructions Index of this chapter: Notes: 4.1 Cable Dressing and Taping � Figures below can deviate slightly from the actual situation, 4.2 Service Positions due to the different set executions. 4.3 Assy/Panel Removal 4.4 Set Re-assembly 4.1 Cable Dressing and Taping 18310_210_090318.eps 090318 Figure 4-1 Cable dressing 32” 2009-May-08
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Mechanical Instructions Q549.2E LA 4. EN 11 18310_211_090318.eps 090318 Figure 4-2 Cable dressing 37" 18311_200_090506.eps 090506 Figure 4-3 Cable dressing 56" (21:9) 2009-May-08
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EN 12 4. Q549.2E LA Mechanical Instructions 4.3.3 Ambi Light 4.2 Service Positions Each Ambi Light unit is mounted on a subframe. Refer to For easy servicing of this set, there are a few possibilities Figure 4-5 for details. created: � The buffers from the packaging. � Foam bars (created for Service). 4.2.1 Foam Bars 1 1 Required for sets 1 42" E_06532_018.eps 171106 18310_212_090318.eps 090319 Figure 4-4 Foam bars Figure 4-5 Ambi Light unit The foam bars (order code 3122 785 90580 for two pie
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Mechanical Instructions Q549.2E LA 4. EN 13 1. Remove the Main Supply Panel as earlier described. 2. Remove the stand [1] and its subframe [2]. 3. Now you gain access the IR & LED board. When defective, replace the whole unit. 4.3.6 Piezo Touch Control Panel 4 The flexfoil between Piezo Flexfoil Assy (mounted on the 3 plastic rim of the set), and the PWB as described below, is extremely vulnerable. Do not pull hard at the PWB or flexfoil. Once the flexfoil has been damaged, the entire plastic
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EN 14 4. Q549.2E LA Mechanical Instructions 4 1 1 18310_217_090318.eps 090320 Figure 4-10 LCD Panel -1- 2 3 18310_218_090318.eps 090319 Figure 4-11 LCD Panel -2- 4.3.9 Wi-Fi antenna Follow the instructions for LCD Panel until “remove plastic rim”. After removal of this rim, you gain access to the Wi-Fi antennas. 4.4 Set Re-assembly To re-assemble the whole set, execute all processes in reverse order. Notes: � While re-assembling, make sure that all cables are placed and connected in their or
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Service Modes, Error Codes, and Fault Finding Q549.2E LA 5. EN 15 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: � All service-unfriendly modes (if present) are disabled, like: 5.1 Test Points – (Sleep) timer. 5.2 Service Modes – Child/parental lock. 5.3 Stepwise Start-up – Picture mute (blue mute or black mute). 5.4 Service Tools – Automatic volume levelling (AVL). 5.5 Error Codes – Skip/blank of non-favourite pre-sets. 5.6 The Blinking LED Procedure 5.7 Protections Ho
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EN 16 5. Q549.2E LA Service Modes, Error Codes, and Fault Finding � To view operation hours. TV will go to the Stand-by mode. If the NVM was corrupted or � To display (or clear) the error code buffer. empty before this action, it will be initialized first (loaded with default values). This initializing can take up to 20 seconds. How to Activate SAM Via a standard RC transmitter: Key in the code “062596” directly followed by the “INFO” button. After activating SAM with this method a service w
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Service Modes, Error Codes, and Fault Finding Q549.2E LA 5. EN 17 � With the “OK” key, it is possible to activate the selected NVM. ComPair will foresee in a possibility to do this. This action. identification number is the 12nc number of the SSB. � 12NC display. Shows the 12NC of the display. � 12NC supply. Shows the 12NC of the supply. How to Exit SAM � 12NC “fan board”. Shows the 12NC of the “fan board”- Use one of the following methods: module (for sets with LED backlight) � Switch the TV s
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EN 18 5. Q549.2E LA Service Modes, Error Codes, and Fault Finding mode with a faulty FET 7U08 is done, you can destroy all IC’s 5.3 Stepwise Start-up supplied by the +3V3, due to overvoltage (12V on 3V3-line). It is recommended to measure first the FET 7U08 or others When the TV is in a protection state due to an error detected by FET’s on shortcircuit before activating SDM via the service stand-by software (error blinking is displayed) and SDM is pads. activated via shortcutting the pins
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Service Modes, Error Codes, and Fault Finding Q549.2E LA 5. EN 19 Off Stand by or Mains is applied Protection Standby Supply starts running. All standby supply voltages become available . st-by µP resets Initialise I/O pins of the st-by µP: If the protection state was left by short circuiting the - Switch reset-AVC LOW (reset state) SDM pins, detection of a protection condition during - Switch WP-NandFlash LOW (protected) startup will stall the startup. Protection conditions in a - Switch re
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EN 20 5. Q549.2E LA Service Modes, Error Codes, and Fault Finding From I_17660_125a.eps From I_17660_125a.eps Reset-system is switched HIGH by the Reset-system is switched HIGH by the Release reset MPEG4 module: AVC at the end of the bootscript AVC at the end of the bootscript BOLT-ON-IO: High Reset-system is connected to USB-reset, 4to1HDMI Mux and channel decoder. AVC releases Reset-Ethernet when the AVC releases Reset-Ethernet when the MPEG4 module will start booting end of the AVC boot-scr
