All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by TY 0872 BU TV Consumer Care...
EN 2 LC8.1E LB Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: 1.1.3 Miscellaneous 1.1 Technical Specifications 1.2 Connection Overview Power supply: 1.3 Chassis Overview - Mains voltage (V : 220 - 240...
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Technical Specifications, Connections, and Chassis Overview LC8.1E LB EN 3 Connection Overview 4 - EXT2: CVBS - In/Out, Audio - In/Out E_06532_001.eps 75 Ω SERV. U 050404 TV ANTENNA Figure 1-2 SCART connector - Audio R 0.5 V / 1 kohm - Audio R 0.5 V...
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EN 4 LC8.1E LB Technical Specifications, Connections, and Chassis Overview 6 - S-Video (Hosiden): Video Y/C - In 9 - Cinch: Video YPbPr - In, Audio - In - Ground Y Gn - Video Y / 75 ohm - Ground C Bu - Video Pb 0.7 V...
• Use only lead-free soldering tin Philips SAC305 with order the mass of the set by a wristband with resistance. Keep code 0622 149 00106. If lead-free solder paste is required, components and tools also at this same potential.
EN 6 LC8.1E LB Directions for Use 2.3.5 Alternative BOM identification MADE IN BELGIUM MODEL 32PF9968/10 It should be noted that on the European Service website, 220-240V 50/60Hz “Alternative BOM” is referred to as “Design variant”. 128W VHF+S+H+UHF PROD.NO: AG 1A0617 000001 BJ3.0E LA...
Mechanical Instructions LC8.1E LB EN 7 4. Mechanical Instructions Index of this chapter: 4.1 Cable Dressing 4.2 Service Positions 4.3 Assy/Panel Removal MG8 Styling 4.4 Set Re-assembly Notes: • Figures below can deviate slightly from the actual situation, due to the different set executions.
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EN 8 LC8.1E LB Mechanical Instructions I_18170_030.eps 300708 Figure 4-2 Cable dressing 42" sets Service Positions The foam bars (order code 3122 785 90580 for two pieces) can be used for all types and sizes of Flat TVs. See figure “Foam bars”...
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Mechanical Instructions LC8.1E LB EN 9 Assy/Panel Removal MG8 Styling 4.3.4 Keyboard Control Panel Refer to next figure for details. Pictures are taken from 32” set. 1. Unplug the key board connector from the IR & LED board. 2. Remove the screws [1].
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EN 10 LC8.1E LB Mechanical Instructions 4.3.6 Small Signal Board (SSB) Refer to next figure for details. Caution: it is mandatory to remount all different screws at their original position during re-assembly. Failure to do so may result in damaging the SSB.
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Mechanical Instructions LC8.1E LB EN 11 I_18170_053.eps 310708 Figure 4-10 LCD Panel -2- 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 original position. See figure “Cable dressing”.
Service Default Mode (SDM) 5.2.1 General Purpose Some items are applicable to all Service Modes or are general. This simplified SDM mode in LC8.1E LB chassis is used for These are listed below. Error blinking only. • Start the blinking LED procedure.
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Service Modes, Error Codes, and Fault Finding LC8.1E LB EN 13 button (do not allow the display to time out between entries 5. Clear. Erases the contents of the error buffer. Select the while keying the sequence). CLEAR menu item and press the MENU RIGHT key. The Note: content of the error buffer is cleared.
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5.3.1 ComPair Introduction 1 MODEL : 32PFL5403/12 ComPair (Computer Aided Repair) is a Service tool for Philips 2 PROD S/N : AG1A0831123456 3 SW ID : LC81EL1-1.0 WT - 1.4 Consumer Electronics products and offers the following: 4 OP : 3 2 0 255 8 0 1 1.
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ComPair II interface: 3122 785 91020. In case of non-intermittent faults, write down the errors present • The latest ComPair software can be found on the Philips in the error buffer and clear the error buffer before you begin Service website.
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EN 16 LC8.1E LB Service Modes, Error Codes, and Fault Finding Table 5-1 Error code overview Error code Description Item no. Remarks DC Protection of speakers 7C01 1) TV in protection mode 2) Red LED blinking 1 time (Error 1)
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Service Modes, Error Codes, and Fault Finding LC8.1E LB EN 17 Fault Finding and Repair Tips Notes: • It is assumed that the components are mounted correctly with correct values and no bad solder joints. • Before any fault finding actions, check if the correct options are set.
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EN 18 LC8.1E LB Service Modes, Error Codes, and Fault Finding AC ON 3V3STBY Available Weltrend Powered by 3V3_STBY, STANDBY=HIGH Power_ON_OFF=Low initialize GPIO pins of Weltrend Enable Audio mute STANDBY=Low Wait for 100ms Wait for 100ms Is Power Down Time out = 200ms...
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Service Modes, Error Codes, and Fault Finding LC8.1E LB EN 19 Start Mute Audio ANTI_PLOP=LOW MUTEn=HIGH BL_ON_OFF=LOW Wait 300ms Switch OFF LVDS Note: Total wait time 232ms iso 320ms Wait 20ms LCD_PWR_ON=LOW WP for NVM LOCTOP Enable Audio mute Port assignment in STANDBY...
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EN 20 LC8.1E LB Service Modes, Error Codes, and Fault Finding Start POWER_DOWN=LOW for 5 times ? Mute Audio & Video WP for NVM LOCTOP STANDBY=HIGH Wait 5000ms Re-start:Start up I_18170_037.eps 310708 Figure 5-8 Power Down flowchart...
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Service Modes, Error Codes, and Fault Finding LC8.1E LB EN 21 Start DC_PROT=Low for 3seconds? Mute Audio & Video WP for NVM STANDBY=HIGH I_18170_036.eps 310708 Figure 5-9 DC_PROT flowchart...
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EN 22 LC8.1E LB Service Modes, Error Codes, and Fault Finding Personal Notes: E_06532_012.eps 131004...
Block Diagrams, Test Point Overview, and Waveforms LC8.1E LB Wiring Diagram 42" (MG8) WIRING 42" (STYLING MG8) LCD DISPLAY (1004) LVDS INPUT DANGEROUS DANGEROUS HIGH VOLTAGE HIGH VOLTAGE 8R50 (1150) MAIN POWER SUPPLY (1005) 1303 (B03) 9. POWER_ONOFF 8. +5V_SW 7.
Block Diagrams, Test Point Overview, and Waveforms LC8.1E LB Block Diagram Video VIDEO B05A SMIC L B04A TDA154XX B04C LVDS CONNECTORS TUNER IF & SAWF 7C01 7401 TDA15471HV TDA8890H1 1104 1102 UV1316E VIF1 1R50 MAIN VIF2 TUNER VDISP SAW 38M9...
Block Diagrams, Test Point Overview, and Waveforms LC8.1E LB Block Diagram Control & Clock Signals CONTROL & CLOCK SIGNALS KEYBOARD CONTROL MICROPROCESSOR NVM B04A TDA154XX 7C01 TDA15471HV POWER_ONOFF_LOCTOP 1C01 KEYB TxCLKp REMOTE B04C LOC TOP TxCLKn IR LED PANEL B04C...
Block Diagrams, Test Point Overview, and Waveforms LC8.1E LB Supply Lines Overview SUPPLY LINES OVERVIEW DC / DC +5V & +3V3 & +2V5 +1V8 & +1V2 B05B AUDIO - CLASS D +12V_AUDIO +12V_AUDIO VDDA TUNER IF & SAWF +12V 5A05...
Circuit Diagrams and PWB Layouts LC8.1E LB SSB: SRP List Explanation Example Personal Notes: 1 . 1 . Introduction Net Name Diagram +12-15V AP1 (4x) +12-15V AP4 (4x) SRP (Service Re ference Protocol) is a softw are too l that creates a list w i th all refer e n c es to signal lines. The list contains...
(use multimeter and RF generator): Perform all electrical adjustments under the following • Apply a 70 dB (1mv) RF signal with a Philips standard conditions: circuit pattern to antenna input. • Power supply voltage (depends on region): •...
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EN 56 LC8.1E LB Alignments Table 8-3 Tint settings 32" digital diagnosis possible, the microprocessor has to know which ICs to address. The presence/absence of these specific ICs (or functions) is made known by the option codes. Colour Temp. Cool...
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Alignments LC8.1E LB EN 57 Table 8-6 Option codes at bit level (OP1-OP7) Option Byte & Bit Dec. Value Option Name Description Byte OP1 Bit 7 (MSB) OPC_BBE ON = BBE is available OFF = BBE is not available Bit 6...
Introduction Index of this chapter: 9.1 Introduction 9.2 LCD Power Supply The LC8.1E LB chassis (development name “LC08EE”) is a 9.3 DC/DC converters new chassis using an NXP “LOC-TOP” chipset. It covers 9.4 Front-End screen sizes of 32" and 42" with the “MG8” styling.
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Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 59 9.1.1 SSB Cell Layout DC - DC CONVERSION TUNER ANALOGUE I/O STANDBY TDA1547 CONTROLLER TDA8890 SMIC DC - DC CONVERSION ANALOGUE I/O AUDIO CLASS - D I_18170_039.eps 310708...
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EN 60 LC8.1E LB Circuit Descriptions, Abbreviation List, and IC Data Sheets TO INVERTER (Right) TO PANEL Left Right X402 X403 Pin11 -12V (audio) GND2 (audio) Pin14 +12V (audio) PDIM_Select +12V On/Off +12V Vbri X416 GND3 +12V GND3 Pin1 GND1...
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Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 61 • Switchable group delay correction and sound trap (with switchable centre frequency) for the demodulated CVBS Tuner IF Diagram signal • Separate SIF (Sound IF) input for single reference QSS...
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EN 62 LC8.1E LB Circuit Descriptions, Abbreviation List, and IC Data Sheets DC-protection A DC-detection circuit is foreseen to protect the speakers. It is SAW-SW built around three transistors (items 7A05 to 7A07) and Tuner 1104 SIFIN1,SIFIN 267,68 SIF1,2 generates a protection signal (DC_PROT) to the...
Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 63 BTSC Broadcast Television System Committee Conditional Access Module Circuit Board Assembly (or PWB) Consumer Electronics Control bus; remote control bus on HDMI connections Common Interface; E.g PCMCIA slot...
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SCART output of the MSP audio IC LATAM LATin AMerica SC2-OUT SCART output of the MSP audio IC LC08 Philips chassis name for LCD TV 2008 Short Circuit project Clock signal on I2C bus Liquid Crystal Display Standard Definition: 480i, 576i...
Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 65 IC Data Sheets This section shows the internal block diagrams and pin layouts of ICs that are drawn as "black boxes" in the electrical diagrams (with the exception of "memory" and "logic" ICs).
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EN 66 LC8.1E LB Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.8.2 Diagram B03, Type WT61P8S (IC7303), Weltrend Microprocessor Block Diagram Turbo 8052 MCU 32K bytes Slave IIC code flash Internal 256 VGA DDC bytes SRAM Timer0, DVI DDC...
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Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 67 9.8.3 Diagram B04A, Type TDA15471HV (IC7C01), LOC-TOP Video/Audio Processor Block Diagram Pin Configuration I_18170_025.eps 290708 Figure 9-17 Internal block diagram and pin configuration...
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EN 68 LC8.1E LB Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.8.4 Diagram B05A, Type TDA8890H1 (IC7401), Versatile Front-End Signal Processor Block Diagram SCART/CINCH IN/OUT 5/8V SSIFOUT SWITCH MAINOUTL/R QSS SOUND IF AUDIO SELECT SIFIN AGC2SIF DSPINL/R QSS MIXER...
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Circuit Descriptions, Abbreviation List, and IC Data Sheets LC8.1E LB EN 69 9.8.5 Diagram B05B, Type TDA8932BT (IC7A01), Audio Amplifier Block Diagram BOOT1 OSCILLATOR DDP1 IN1P DRIVER HIGH OUT1 CTRL MODULATOR DRIVER SSP1 IN1N MANAGER BOOT2 INREF DDP2 IN2P DRIVER...
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EN 70 LC8.1E LB Circuit Descriptions, Abbreviation List, and IC Data Sheets 9.8.6 Diagram B06D, Type IP4776 (IC7N07), HDMI Interface Block Diagram TMDS_BIAS TMDS_CLK+ CC(5V0) TMDS_D2− TMDS_D1− TMDS_GND TMDS_D0− TMDS_CLK− TMDS_BIAS TMDS_BIAS CC(3V3) CC(3V3) DDC_CLK_IN DDC_CLK_OUT CEC_IN CEC_OUT TMDS_BIAS TMDS_BIAS...
Spare Parts List & CTN Overview LC8.1E LB EN 71 10. Spare Parts List & CTN Overview For the latest spare part overview, please consult the Philips Service website. Table 10-1 Sets described in this manual: Styling Published in: 32PFL3403/12...