Philips 23PF9956/12 Specifications

Published by BB 0466 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 14491©Copyright 2004 Philips Consumer Electronics B.V

Mechanical InstructionsEN 10 LC4.2E AA4.1. Release the two clamps (1) at the I/O panel bracket. Carefully pull the bracket in the direction (2), as sh

Service Modes, Error Codes, and Fault FindingEN 11LC4.2E AA 5.5. Service Modes, Error Codes, and Fault FindingIndex of this chapter:1. Test Points2. S

Service Modes, Error Codes, and Fault FindingEN 12 LC4.2E AA5.After entering SDM, the following screen is visible, with SDM in the upper right corner

Service Modes, Error Codes, and Fault FindingEN 13LC4.2E AA 5.11. NVM Editor. Can be used to change the NVM data in the television set. See table “NVM

Service Modes, Error Codes, and Fault FindingEN 14 LC4.2E AA5.Then:1. Press the AUTO PICTURE button on the remote control transmitter repeatedly (if n

Service Modes, Error Codes, and Fault FindingEN 15LC4.2E AA 5.communicate (read and write) to devices on the I2C busses of the TV-set.• Manually (by a

Service Modes, Error Codes, and Fault FindingEN 16 LC4.2E AA5.If possible, check the entire contents of the error buffer. In some situations, an error

Service Modes, Error Codes, and Fault FindingEN 17LC4.2E AA 5.5.7.4 Video ProcessingNo power1. Check +12 V and 3V3 at position 1910.2. If no supply, c

Service Modes, Error Codes, and Fault FindingEN 18 LC4.2E AA5.Personal Notes: E_06532_012.eps060804

Block Diagrams, Testpoint Overviews, and Waveforms 19LC4.2E AA 6.6. Block Diagrams, Testpoint Overviews, and WaveformsWiring Diagram4P12PE_14490_101.e

Technical Specifications, Connections, and Chassis OverviewEN 2 LC4.2E AA1.1. Technical Specifications, Connections, and Chassis OverviewIndex of this

20LC4.2E AA 6.Block Diagrams, Testpoint Overviews, and WaveformsBlock Diagram Tuner and IF VideoA31302+5VSW6,7945111A 3TUNER +VIFTVFM+VTUNSoundTrapsV

Block Diagrams, Testpoint Overviews, and Waveforms 21LC4.2E AA 6.Block Diagram ScalerADDRESSH2151115PC-IN97621171815143,11,19,22102423DDCNVM7693658DDC

22LC4.2E AA 6.Block Diagrams, Testpoint Overviews, and WaveformsTestpoint Overview TV & Scaler Board (Bottom Side)E_14490_021.eps030604SERVICE TE

Block Diagrams, Testpoint Overviews, and Waveforms 23LC4.2E AA 6.Testpoint Overview TV & Scaler Board (Top Side)3139 123 5804.2E_14490_022.eps030

24LC4.2E AA 6.Block Diagrams, Testpoint Overviews, and WaveformsI2C IC OverviewE_14490_106.eps0408046693 56863707DDC_5V37023706A2HERCULESI2C BUS INTE

Block Diagrams, Testpoint Overviews, and Waveforms 25LC4.2E AA 6.Supply Voltage Overview100112001520POWER_DOWN2119103456789101112+8VSW_TV+8VSW_TV31+12

26LC4.2E AA 7.Circuit Diagrams and PWB Layouts7. Circuit Diagrams and PWB LayoutsTV & Scaler Board: Tuner + VIFPLLAGCDETIF AMPMIX-OSCPRE-FILTRACK

Circuit Diagrams and PWB Layouts 27LC4.2E AA 7.TV & Scaler Board: HerculesOGNDISCLADR012SDAWCVDRBVDRAVIFIN1VIFIN2VSCIREFGNDIFVP2SVO/IFOUT/CVBS1AUD

28LC4.2E AA 7.Circuit Diagrams and PWB LayoutsTV & Scaler Board: HistogramCOMPFFCOMPCOMPFFCOMPCOMPFFCOMPS1AD2S1BIN1IN2S2BD1S2ANCS4BD4S4AIN4S3BD3S

Circuit Diagrams and PWB Layouts 29LC4.2E AA 7.TV & Scaler Board: Audio Amplifier+TPGNDHSOUT2BOUT2AOUT1BOUT1ASGND 1 2NCVP1 VP2SVRRMODEIN2-IN1+MUTE

Technical Specifications, Connections, and Chassis OverviewEN 3LC4.2E AA 1.External 2: RGB/YUV - In and CVBS - In/OutFigure 1-3 SCART connector1 - Au

30LC4.2E AA 7.Circuit Diagrams and PWB LayoutsTV & Scaler Board: TV-SupplyCOMOUTIN1%1%RES14V214V21V20V71V14V2TV-SUPPLYPOWER SUPPLY UNITA2, A5, A7

Circuit Diagrams and PWB Layouts 31LC4.2E AA 7.TV & Scaler Board: ScalerTO LCD MONITOR 17” (LVDS)PP2OR TO 2001PIXEL+(IF APPLICABLE)RX0-RX1+RX1-RX

32LC4.2E AA 7.Circuit Diagrams and PWB LayoutsTV & Scaler Board: Scaler InterfacePP4TO 1001POWER SUPPLYPIXEL+SCALER INTERFACETO SCALERPROVISION F

Circuit Diagrams and PWB Layouts 33LC4.2E AA 7.TV & Scaler Board: SDRAMVREF2827262524DDQS0123DM11RFU12989102342120191817163130610A1114CASRAS295678

34LC4.2E AA 7.Circuit Diagrams and PWB LayoutsTV & Scaler Board: Flash / Control12CEWE141718654321015010987OE1113DQ167512K-10ASCLADR012SDAWCRESRE

Circuit Diagrams and PWB Layouts 35LC4.2E AA 7.TV & Scaler Board: HDMI4X1G44X212VDDVEE VSSDIGITALDE-EMPHASISINTERPOLATIONDACNOISE SHAPERFILTERINTE

36LC4.2E AA 7.Circuit Diagrams and PWB LayoutsTV & Scaler Board: PCHD-MUXS2BVSSS2AS3BS1AS3AS1BD3ENGNDA0A1A2D1D2VDD4X1G44X212VDDVEE VSSNCS2IN1D3S3

Circuit Diagrams and PWB Layouts 37LC4.2E AA 7.TV & Scaler Board: SupplyCOMOUTINCOMOUTINCOMOUTINRESSS = 4V93V3(0V)14V31V2RESSUPPLYSUPPLY FOR SCALE

38LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout TV & Scaler Board: (Overview Top Side)E_14490_019.eps2304043139 123 5804.23139 123 5804.2P

Circuit Diagrams and PWB Layouts 39LC4.2E AA 7.Layout TV & Scaler Board: (Part 1 Top Side)E_14490_019a.eps230404Part 1

Technical Specifications, Connections, and Chassis OverviewEN 4 LC4.2E AA1.Figure 1-7 Chassis OverviewDSIDE IO PANELJFRONT LEDPANELHREAR I/O CINCH PAN

40LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout TV & Scaler Board: (Part 2 Top Side)E_14490_019b.eps230404Part 2

Circuit Diagrams and PWB Layouts 41LC4.2E AA 7.Layout TV & Scaler Board: (Part 3 Top Side)E_14490_019c.eps230404Part 3

42LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout TV & Scaler Board: (Part 4 Top Side)E_14490_019d.eps230404Part 4

Circuit Diagrams and PWB Layouts 43LC4.2E AA 7.Layout TV & Scaler Board: (Overview Bottom Side)E_14490_020.eps0408043139 123 5804.21001 B61008 C5

44LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout TV & Scaler Board: (Part 1 Bottom Side)E_14490_020a.eps230404Part 1

Circuit Diagrams and PWB Layouts 45LC4.2E AA 7.Layout TV & Scaler Board: (Part 2 Bottom Side)E_14490_020b.eps230404Part 2

46LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout TV & Scaler Board: (Part 3 Bottom Side)E_14490_020c.eps230404Part 3

Circuit Diagrams and PWB Layouts 47LC4.2E AA 7.Layout TV & Scaler Board: (Part 4 Bottom Side)E_14490_020d.eps230404Part 4

48LC4.2E AA 7.Circuit Diagrams and PWB LayoutsSide IO and LKB PanelRESHEADPHONESVHSFOR ITVLKBRESTO 1540 OFchannel +channel -volume +volume -power**RJ

Circuit Diagrams and PWB Layouts 49LC4.2E AA 7.Layout Side IO and LKB Panel (Top Side)E_14490_025.eps1904043139 123 5887.11301 A11302 B11303 B21306 A

Safety Instructions, Warnings, and NotesEN 5LC4.2E AA 2.2. Safety Instructions, Warnings, and Notes 2.1 Safety InstructionsSafety regulations require

50LC4.2E AA 7.Circuit Diagrams and PWB LayoutsRear IO Panel: Scart (17”) Audio-R_outAudio-R_inAudio-L_outRGB-B_inFunction_SwRGB-G_inAudio-L_inRGB-R_i

Circuit Diagrams and PWB Layouts 51LC4.2E AA 7.Rear IO Panel: PCHD-IO (17”) SCLADR012SDAWCSCLADR012SDAWC2698D_GndD_GndDDC_5VRXC-INRXC-INHOT_PLUGPC_HD_

52LC4.2E AA 7.Circuit Diagrams and PWB LayoutsLayout Rear IO Panel (17”) (Top Side)Layout Rear IO Panel(17”) (Bottom Side)E_14490_023.eps1904043139 1

Circuit Diagrams and PWB Layouts 53LC4.2E AA 7.Rear IO Panel: Scart (23”/26”)SCART 1SCART 2Audio-RIGHTAudio-LEFTCONSTANT AUDIO****RESREAR IO SCARTTo 1

54LC4.2E AA 7.Circuit Diagrams and PWB LayoutsRear IO Panel: PCHD-IO (23”/26”)SCLADR012SDAWCPCHD-IOTO 1601 OFRESRESVGA CONNECTORTO 1104 OFPC AUDIO IN

Circuit Diagrams and PWB Layouts 55LC4.2E AA 7.Layout Rear IO Panel (23”/26”) (Top Side)Layout Rear IO Panel (23”/26”) (Bottom Side)E_14490_043.eps190

56LC4.2E AA 7.Circuit Diagrams and PWB LayoutsFront IR / LED PanelFRONT IR / LEDTO 1302 SIDE IO BD3V33V3RESRESRESRESRES1 2 3 41 2 3 4ABCDABCD1540 B1

Circuit Diagrams and PWB Layouts 57LC4.2E AA 7.Pixel Plus Panel: EPLD ControlSTATUS210CEOTMSTCKTDOTDISCANCLKMSEL3ASDOCSODCLKDATA010CECONFIGCONF_DONEVC

58LC4.2E AA 7.Circuit Diagrams and PWB LayoutsPixel Plus Panel: LVDS In4321065432VCCRARBRCRB-RC+RC-RD+RD-RCLK+RCLK-PDWNCLKOUTPLLVCCRDGNDLVDSGND PLLGN

Circuit Diagrams and PWB Layouts 59LC4.2E AA 7.Pixel Plus Panel: EPLD I/O0606TATBTCTDCLKINTCLK+-VCCGND LVDS GND PLL GNDLVDS VCC PLL VCCTA+--+-+-+R|FPD

Safety Instructions, Warnings, and NotesEN 6 LC4.2E AA2.Device ReplacementThe last step in the repair process is to solder the new component on the bo

60LC4.2E AA 7.Circuit Diagrams and PWB LayoutsPixel Plus Panel: Power SupplyCOMOUTINPOWER SUPPLYPOWER IN5V3V33V33V31V50VTO/FROM 1409OFPP3PP3PP3PP3123

Circuit Diagrams and PWB Layouts 61LC4.2E AA 7.Layout Pixel Plus Panel (Top Side)3122 123 6047.3E_14490_091.eps1507041001 D11002 C11003 A11100 A12105

62LC4.2E AA 7.Circuit Diagrams and PWB LayoutsE_06532_013.eps200204

AlignmentsEN 63LC4.2E AA 8.8. AlignmentsGeneral: The Service Default Mode (SDM) and Service Alignment Mode (SAM) are described in chapter 5. Menu navi

AlignmentsEN 64 LC4.2E AA8.8.3.2 White ToneIn the White Tone sub menu the colour values for the colour temperature values can be changed.The colour te

AlignmentsEN 65LC4.2E AA 8.8.3.5 SoundNo adjustments needed for sound. The default values for the audio alignments are:• QSS: On• FMI: Off• NICAM Alig

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 66 LC4.2E AA9.9. Circuit Descriptions, Abbreviation List, and IC Data SheetsIndex of thi

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 67LC4.2E AA 9.The video part delivers the RGB signals to the Scaler IC. The Genesis GM15

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 68 LC4.2E AA9.9.6 Video: TV Part (diagrams A1, A2, and A3)Figure 9-2 Block diagram video

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 69LC4.2E AA 9.Figure 9-3 Block diagram Scaler Part9.7.1 FeaturesThe Scaler provides seve

Directions for UseEN 7LC4.2E AA 3.3. Directions for UseYou can download this information from the following website:http://www.philips.com/support

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 70 LC4.2E AA9.– Sharpness meter• Contrast improvement• Gamma Look-Up TableAll other pict

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 71LC4.2E AA 9.Figure 9-5 Micro Controller block diagram9.10.3 Basic SpecificationThe Mic

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 72 LC4.2E AA9.: LC230W01-A2K8 (23”): LC260W01-A5K6 (26”)Resolution (HxV) : 1080x768 pixe

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 73LC4.2E AA 9.Colour carrier NTSC M/N = 3.579545 MHz, NTSC 4.43 = 4.433619 MHz (this is

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 74 LC4.2E AA9.9.13 IC Data SheetsThis section shows the internal block diagrams and pin

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 75LC4.2E AA 9.9.13.2 Diagram A7, Type GM1501 (IC7401)Figure 9-7 Internal Block Diagram a

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 76 LC4.2E AA9.9.13.3 Diagram A12, Type S9993CT (IC7808)Figure 9-8 Internal Block Diagram

Spare Parts ListEN 77LC4.2E AA 10.10. Spare Parts ListSet LevelVarious1099h 9322 194 30682 TFT-LCD LC230W018301 3139 131 03961 FFC Foil 20P8403h 3139

Spare Parts ListEN 78 LC4.2E AA10.2617 2020 552 96628 10nF 10% 16V 04022618 2020 552 96628 10nF 10% 16V 04022619 4822 126 14324 33pF 5% 50V 04022620 2

Spare Parts ListEN 79LC4.2E AA 10.3615 3198 031 02290 22Ω 5% 0.1W 04023616 3198 031 02290 22Ω 5% 0.1W 04023617 3198 031 02290 22Ω 5% 0.1W 04023618 319

Mechanical InstructionsEN 8 LC4.2E AA4.4. Mechanical InstructionsIndex of this chapter:1. Service Position2. Rear Cover Removal3. Power Supply Unit Re

Spare Parts ListEN 80 LC4.2E AA10.g2101 4822 126 14241 330pF 0603 50V2102 4822 124 23002 10µF 16V2103 4822 126 14241 330pF 0603 50V2104 3198 017 41050

Spare Parts ListEN 81LC4.2E AA 10.2522 5322 126 11583 10nF 10% 50V 0603f3101 4822 051 30103 10kΩ 5% 0.062W3102 4822 051 30479 47Ω 5% 0.062W3103 4822 0

Revision ListEN 82 LC4.2E AA11.11. Revision ListManual xxxx xxx xxxx.0• First release. Manual xxxx xxx xxxx.1The manual is updated with information fo

Mechanical InstructionsEN 9LC4.2E AA 4.4.2 Rear Cover RemovalFigure 4-5 Rear cover removal1. Manually unlock and remove the top cover cap (5).See Figu