Philips L04L Скачать руководство пользователя страница 39

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Block Diagrams, Testpoint Overviews, and Waveforms

L04L AA

Testpoint Overview Mono Carrier

3139 123 5673.1

E_14480_029.eps

200204

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SERVICE TEST POINT

Содержание L04L

Страница 1: ... Mono Carrier 39 Block Diagram Video 40 Testpoint Overview CRT LTI Panel 41 Block Diagram Audio Control 42 I2C and Supply Voltage Overview 43 7 Circuit Diagrams and PWB Layouts Diagram PWB Power Supply Diagram A1 44 56 61 Diversity Table for A1 Power Supply 45 56 61 Deflection Diagram A2 46 56 61 Diversity Table for A2 Deflection 47 56 61 Tuner IF Diagram A3 48 56 61 Hercules Diagram A4 49 56 61 F...

Страница 2: ...eg C Maximum humidity 90 R H Power consumption Normal operation from 56 W 25 to 70 W 32 Standby 1 W 1 2 Connections Note The following connector color abbreviations are used acc to DIN IEC 757 Bk Black Bu Blue Gn Green Gy Grey Rd Red Wh White Ye Yellow 1 2 1 Top Control and Front Side Connections Figure 1 1 Top control and Front Side connections Audio Video In Ye Video CVBS 1 V_pp 75 ohm jq Wh Aud...

Страница 3: ...round GND H 2 Ground GND H 3 Y 1 V_pp 75 ohm jq 4 C 0 3 V_pp 75 ohm jq 1 3 Chassis Overview Figure 1 3 PWB location SIDE AV PANEL HEADPHONE B2 B1 D H MONO CARRIER A1 E A2 A3 A4 A5 A9 A10 A8 POWER SUPPLY J FRONT INTERFACE PANEL LINE DEFLECTION TUNER IF A6 CLASS D AUDIO AMPLIFIER HERCULES FEATURES CONNECTIVITIES A7 AUDIO AMPLIFIER FRONT CONTROL DVD POWER SUPPLY REAR I O CINCH E_14480_046 eps 270204 ...

Страница 4: ...val depends on the usage conditions When a customer uses the set under normal circumstances for example in a living room the recommended interval is three to five years When a customer uses the set in an environment with higher dust grease or moisture levels for example in a kitchen the recommended interval is one year The maintenance inspection includes the following actions 1 Perform the general...

Страница 5: ...n It is easy to do and is a good service precaution Before powering up the TV set with the back cover off or on a test fixture attach a clip lead to the CRT DAG ground and to a screwdriver blade that has a well insulated handle After the TV is powered on and high voltage has developed probe the anode lead with the blade starting at the case of the High Voltage Transformer flyback IFT Move the blad...

Страница 6: ...300 to 751 Adapter Combination VHF UHF Antenna Outdoor or Indoor Twin Lead Wire Round Cable 751 Back of TV Direct Cable Connection 751 Round Coaxial Cable 1 P ANEL I NDEX Subject Panel No Active Control 23 Antenna Cable Basic Connection 1 Audio Video Connections AV1 Input Jacks 4 Component Video Input Jacks 7 Headphone Jack 5 Monitor Output Jacks 8 S Video Input Jacks 6 Side AV Input Jacks 5 AutoL...

Страница 7: ...he connec tion Cable Box w RF In Outputs This connection will be mono 1 Connect the Cable Company supplied cable to the signal IN put plug on the back of the Cable Box 2 Using a separate round coaxial cable connect one end to the OUT put TO TV plug on the back of the Cable Box 3 Connect the other end of the round coaxial cable to the 751 input on the back of the televi sion Screw it down finger ti...

Страница 8: ... S VIDEO OUT ANT CABLE OUT VIDEO OUT 3 4 5 7 1 2 4 2 1 5 7 Audio and video cables are not sup plied with the TV but are available from Philips or electronics retailers H ELPFUL H INT Audio In Red and White VCR Two or accessory device Equipped with Video and Audio Output Jacks Video In Yellow Back of VCR Back of TV AV1 Connection AV2 Connection VCR One or accessory device Equipped with Audio and Vi...

Страница 9: ... AUDIO R COMPONENT VIDEO INPUT S VIDEO OUT OUT OUT L R AUDIO VIDEO COMP VIDEO Y Pb Pr 2 1 3 5 4 Component Video Cables Green Blue Red Audio Cables Red White Accessory Device Equipped with Component Video Outputs Back of TV The CVI connection will be dominate over the AV1 in Video Input When a Component Video Device is connected as described it is best not to have a video signal connected to the AV...

Страница 10: ...O UT PUT C ONNECTIONS 8 T he Audio Video Monitor Output jacks are great for recording with a VCR or used to connect an exter nal audio system for better sound reproduction AUDIO SYSTEM CONNECTION 1 Connect one end of the R ight and L eft AUDIO Monitor Out jacks on the TV to the R and L audio input jacks on your amplifier or sound sys tem Set the audio system s vol ume to a normal listening level 2...

Страница 11: ...uch as Closed Caption CC TV shows H ELPFUL H INT R EMOTE C ONTROL B UTTON D ESCRIPTIONS 10 VOL POWER Button Press to turn the TV on or off A CH Button Alternate Channel Press to toggle between the last viewed channel and the channel presently being viewed FROWNIE Button Allows you to delete channels from the Quadra Surf lists for the colored buttons Works with all colored buttons AUTO PICTURE Butt...

Страница 12: ...itself to the correct mode based on the type of signal it detects when the AUTO PROGRAM feature is activated H ELPFUL H INTS H OW TO USE THE T UNER M ODE C ONTROL 12 T he TUNER MODE control allows you to change the TV s input signal to either ANTENNA CABLE or AUTO mode It s important for the TV to know what type of signal to look for Cable TV or an Antenna In the AUTO mode when the AUTO PROGRAM fe...

Страница 13: ...MENU button on the remote control to show the on screen menu 2 Press the CURSOR UP 3 or DOWN 4 buttons to scroll though the on screen menu until the word Install is highlighted 3 Press the CURSOR RIGHT 2 button to display the Install menu features 4 Press the CURSOR UP 3 or DOWN 4 buttons to scroll through the Install features until the words Channel Edit are highlighted 5 Press the CURSOR RIGHT 2...

Страница 14: ...m ing from the left and right speak ers 4 AVL Auto Volume Leveler Press the CURSOR RIGHT 2 or LEFT 1 buttons to turn the control On or Off When On AVL will level out the sound being heard when sudden changes in volume occur during commercial breaks or channel changes 5 Incr Surround Press the CUR SOR RIGHT 2 or LEFT 1 but tons to select between Dolby Virtual or Stereo settings If Stereo or select ...

Страница 15: ...mber for single digit entries You can get to the Clock setting by pressing the Clock button on the remote control The TV s clock settings may be lost when the TV is unplugged or when AC power to the set is interrupted H ELPFUL H INTS NOTE Active Control will only appear in the menu of models 27PT6441 37 and 27PT6442 37 S ETTING THE TV C LOCK U SING T HE T IMER C ONTROL 18 Y our television comes wi...

Страница 16: ...he Clock button on the remote con trol H ELPFUL H INTS NOTE Active Control will only appear in the menu of models 27PT6441 37 and 27PT6442 37 S ETTING TV TO S TARTUP ON A S PECIFIC C HANNEL 20 Y ou can select a specific channel that the television will tune to when the timer turns the set On Follow these steps to select the channel 1 Press the MENU button on the remote to show the on screen menu 2...

Страница 17: ...Active Control will only appear in the menu of models 27PT6441 37 and 27PT6442 37 H OW TO V IEW T IME U SING THE D ISPLAY C ONTROL 22 A fter the TV s clock has been set you can use your TV as a clock The Display control allows you to permanently display the time in the upper right corner of the screen 1 Press the MENU button on the remote to show the on screen menu 2 Press the CURSOR UP 3 or DOWN ...

Страница 18: ...Access Code must be set to prevent children from unblocking questionable or censored programming set by their parents Channel Block After an access code has been programmed you can block individual channels including the A V inputs Clear All Allows you clear all channels being blocked from your viewing set with the Channel Block Control Block All Allows you to block ALL channels and A V inputs at ...

Страница 19: ...d AutoLock Block Channel Setup Code Clear All Block All Movie Rating TV Rating Off Block All On VOL 1 1 2 3 B LOCK C HANNELS 26 A fter your personal access code has been set see previous page you are now ready to select the channels or the A V Inputs you want to block out or censor Once you ve entered your access code and the AutoLock features are displayed on the screen 1 Press the CURSOR UP 3 or...

Страница 20: ...s the CURSOR RIGHT 2 button on the remote to turn the option ON or OFF TV Rating TV Y TV Y7 TV G TV PG TV 14 TV MA Off TV Y On TV Y7 Block All FV TV G Off TV 14 Block All V S L D TV MA Block All V S L TV PG Block All V S L D VOL 1 3 5 1 3 5 2 4 6 M OVIE R ATINGS 28 T he AutoLock feature can block programming based on the Movie Industry ratings Once you ve entered your access code and the AutoLock ...

Страница 21: ...ith these Blocking Options the censoring can be turned ON or OFF Once you ve entered your access code and the AutoLock features are displayed on the screen 1 Press the CURSOR UP 3 or DOWN 4 buttons until the words Block Options are highlighted 2 Press the CURSOR RIGHT 2 button to display the Blocking Options Blocking Unrated or No Rating menu Blocking Might be called the master switch for AutoLock...

Страница 22: ... a sporting event your TV has automatic video con trol settings matched for your cur rent program source or content 1 Press the AUTO PICTURE button on the remote control The current Auto Picture set ting will be displayed on the screen 2 Press the AUTO PICTURE button repeatedly to select either Personal Movies Sports Weak Signal or MUL TIMEDIA picture settings NOTE The way you choose to set the Pi...

Страница 23: ...s using the CHANNEL EDIT control into the TV s memory Check to be sure the TUNER MODES are set to the CABLE option and run the Auto Program feature to find all available channels 35 Q UADRA S URF 34 T he Quadra Surf buttons on your remote control allow you to store up to 10 channels per button 40 total You can even program the A V Input channels for each button making them a source button Assuming...

Страница 24: ... the bracket and remove the bracket from the bottom tray by pulling it backwards 2 3 Turn the chassis tray 90 degrees counter clockwise 4 Move the panel bracket somewhat to the left and flip it 90 degrees 3 with the components towards the CRT 5 Turn the panel bracket with the rear I O toward the CRT 6 Place the hook of the tray in the fixation hole of the cabinet bottom 4 and secure it 4 3 Assy Pa...

Страница 25: ...m its bracket while releasing the two fixation clamps The panel hinges on the other side 4 3 5 Linearity Assy Panel Figure 4 4 Linearity assy panel removal 1 Release the two fixation clamps 1 to lift the panel out of the bracket 2 4 4 Set Re assembly To re assemble the whole set do all processes in reverse order Note before you mount the rear cover perform the following checks Check whether the AC...

Страница 26: ... unfriendly modes are Timer Sleep timer Child parental lock Blue mute Hotel hospital mode Auto shut off when no IDENT video signal is received for 15 minutes Skipping of non favorite presets channels Auto storage of personal presets Auto user menu time out Auto Volume Leveling AVL How to enter To enter SDM use one of the following methods Press the following key sequence on the remote control tran...

Страница 27: ...compatible with previous versions 3 SAM Indication of the Service Alignment Mode 4 Error Buffer Shows all errors detected since the last time the buffer was erased Five errors possible 5 Option Bytes Used to set the option bytes See Options in the Alignments section for a detailed description Seven codes are possible 6 Clear Erases the contents of the error buffer Select the CLEAR menu item and pr...

Страница 28: ...nsmitter Press the POWER button on the television set 5 3 Problems and Solving Tips Related to CSM 5 3 1 Picture Problems Note The problems described below are all related to the TV settings The procedures used to change the value or status of the different settings are described Picture too dark or too bright If The picture improves when you have press the AUTO PICTURE button on the remote contro...

Страница 29: ...nic manual of the defective chassis schematics and PWBs are only a mouse click away 5 4 2 Specifications ComPair consists of a Windows based faultfinding program and an interface box between PC and the defective product The ComPair interface box is connected to the PC via a serial or RS232 cable In this chassis the ComPair interface box and the TV communicate via a bi directional service cable via...

Страница 30: ...By using the CLEAR command in the SAM menu To enter SAM press the following key sequence on the remote control transmitter 062596 directly followed by the OSD STATUS button do not allow the display to time out between entries while keying the sequence Make sure the menu item CLEAR is highlighted Use the MENU UP DOWN buttons if necessary Press the MENU RIGHT button to clear the error buffer The tex...

Страница 31: ...7 37 37 37 PW EW Parabola Width 20 10 10 10 10 10 10 HS Horizontal Shift 21 26 26 26 26 26 26 HP Horizontal Parallelogram 22 31 31 31 31 31 31 HB Horizontal Bow 23 31 31 31 31 31 31 UCP EW Upper Corner Parabola 24 30 30 30 30 30 30 LCP EW Lower Corner Parabola 25 40 40 40 40 40 40 TC EW Trapezium 26 26 26 26 26 26 26 VS Vertical Slope 27 37 37 37 37 37 37 VA Vertical Amplitude 28 30 30 30 30 30 30...

Страница 32: ...es Not Ok Ok Check Power Supply Mains Switch Bridge Rectifier circuit 6500 E_14480_057 eps 190204 Set Unable to Start Fuse Blown Change Fuse Yes Check voltage across 2552 Is Vbatt approximately 140V Check voltage 2562 2563 Yes 16V No Check Power Supply circuit Check 3V across 2535 Check 6V across 2535 Software loaded No Yes Load Software Yes Yes Set able to Start Yes Yes End Check Line Transistor ...

Страница 33: ...cture is present in AV check with the scope the Tuner IF output signal by manual storage to a known channel 5 If IF output is present Tuner is working fine If no IF output I2C data lines may be open check continuity of I2C lines If I2C lines are ok Tuner may be defect replaced Tuner 6 If Tuner IF is present and yet still no picture in RF mode go to Video Processing troubleshooting section No Pictu...

Страница 34: ...ll with the correct settings and no video is available proceed to the CRT RGB amplifier diagram For sets with TDA9178 follow steps below 1 Put Option Byte 2 bit 4 to 0 if video signal is not available then check fault finding section Controller Section Source Selection and steps above 2 If video is available but not correct put Option Byte 2 bit 4 to 1 then check if LTI panel is present If not put...

Страница 35: ...ition and also the NVM data 3 If still no audio signal at Hercules output Hercules is faulty Note If there is audio signal at Hercules output and no audio at loudspeaker proceed to Audio Amplifier troubleshooting methods 5 8 9 Audio Amplifier No RF as well as AV audio at the loudspeaker 1 Check that the normal operation condition of the amplifier is met 2 If normal operation conditions are met che...

Страница 36: ...Service Modes Error Codes and Fault Finding EN 36 L04L AA 5 E_06532_012 eps 130204 ...

Страница 37: ...B MONO CARRIER 3P 3P RED BLACK RIGHT SPEAKER BLACK RED LEFT SPEAKER to SUB WOOFER OPTONAL BLUE YELLOW ORANGE RED EHT CRT FRAME ROTATION COIL AQUADAG DEGAUSSING COIL SCAVEM COIL CRT 16 9 1211 1212 1693 FRONT INTERFACE J MAINS CORD MAINS SWITCH 2P 2P 6P Warning Some models have tact switch 3P 7P 5P 12P 5P 1204 6P 1693 7P 1207 1005 7P 1206 7P 7P 1252 7P 1206 1215 1221 2P 1451 3P 1682 3P 1279 2P 2P 12...

Страница 38: ...5 1505 1212 1 2 1 2 R G B BLANKING SAND CASTLE GENERATOR Vbatt Vbatt Vbatt VT_SUPPLY 8V 9V 12V 8V 6VA 9V 12V 9V 7405 BU4508DX 5402 LINE OUTPUT CIRCUIT E W CORR 7463 7404 7452 7451 7408 7455 7456 7453 7411 7406 7484 7410 1463 1404 1 2 HOR DEFL COIL 1491 1 2 VER DEFL COIL 5445 3 1 FOCUS VG2 EHT TO CRT 1401 5 4 3 2 1 10 6 B1 TO 1351 CRT B1 A1 A4 A4 Vguard FRAME_FB A4 A4 6453 6483 6484 6459 6452 6481 ...

Страница 39: ...7 I110 B7 I111 B8 I112 B7 I113 C8 I114 B8 I115 C8 I116 B7 I117 B8 I118 A7 I119 A7 I120 B7 I201 A5 I203 A5 I204 A5 I205 A5 I206 A5 I207 B6 I208 C5 I209 B6 I210 B6 I211 C6 I212 B6 I213 A5 I214 A5 I215 A6 I216 B6 I217 B7 I218 B6 I219 B6 I222 B5 I223 B5 I224 B4 I225 B5 I226 C6 I227 A5 I228 B5 I229 C5 I230 B5 I231 B5 I232 A7 I233 B7 I234 A4 I235 B5 I236 B5 I240 A4 I241 A4 I401 E7 I402 E6 I403 E7 I404 E...

Страница 40: ...7 3 STATE 4 8 3 STATE 15 14 3 STATE R G B INTF_FBL INTF_Y_OUT INTF_U_OUT INTF_V_OUT INTF_Y_OUT INTF_U_OUT INTF_V_OUT INTF_Y INTF_Pb INTF_Pr 45 46 64 FROM µP PART R_OSD G_OSD B_OSD FBL BEAM CURRENT LIM IBLACK ROUT GOUT BOUT SVM ROT YUV RGB DVD SELECTION LOGIC Yint Uint Vint Yint Yint CHROMA CVBS C CVBS Y Uint Vint INSSW3 52 7200 C 7200 B CVBS I O FILTERS COLOUR DECODING 7200 A IF PAL NTSC SECAM DEC...

Страница 41: ...0 A2 F361 A1 F362 A1 F381 A1 F382 A1 I330 A2 I331 A2 I332 A2 I333 A2 I334 A2 I335 A2 I336 A1 I337 A2 I351 A2 I353 A1 I355 A1 I357 A2 I360 A1 I361 A1 I362 A1 I363 A1 I364 A1 I365 A1 I366 A1 I367 A1 I368 A1 I369 A1 I370 A1 I371 A1 I372 A1 I373 A1 I374 A1 I375 A1 I381 A1 I383 A1 I384 A1 I385 A1 I386 A1 I387 A1 1610 A2 1611 A2 1612 A1 1613 A2 1614 A1 1616 A1 1617 A2 1618 A1 1619 A2 1620 A1 1621 A2 162...

Страница 42: ...EREO SOUND DECODER AUDIO SELECT 67 66 69 68 SCART CINCH OUTPUT AUDIO SELECT MONITOR OUT L R MUTING 7140 L 8 Ohm 15W R 8 Ohm 15W 1281 7990 TDA2616Q 5 2 L 8 Ohm 15W R 8 Ohm 15W 1280 1 2 OR 4 7 6 1 9 5 V AUDIO 1 V AUDIO 2 7991 VOLUME MUTE MAIN_OUTL MAIN_OUTR Stby_Con A4 MUTE POWER_DOWN A4 HP OUTPUT 1693 3 4 5 1010 2 1682 2 F692 22 20 21 PWRDOWN 31 KEY_PROTN 9 IR 32 LED OR 30 LIGHT SENSOR 14 A1 POWER_...

Страница 43: ...Y PANORAMA G 1462 1 8V LTI CTI H 1212 12 5 4 3 2 1 1351 VSVM 200V FILAMENT VSVM 200V 200A 3351 To VERTICAL DEFLECTION To 6403 3480 3420 b 7401 c 7403 on A2 To 3405 3463 3475 on A4 HERCULES A5 FEATURES CONNECTIONS I2C BUS INTERCONNECTION DIAGRAM PIP MODULE optional 1206 1206 1 3 1 3 1005 1 2 3 7200 SET PROCESSOR PART OF VIDEO PROCESSER HERCULES ERR 19 20 7601 PCF8511 EEPROM NVM ERR 9 ERR 10 ERR 6 3...

Страница 44: ...C5 I514 C6 I515 C6 I516 C6 I517 C5 I518 D5 I519 D5 I520 E4 I521 D6 3V8 DEGAUSSING COIL I523 D6 I524 C6 I527 E2 I529 F6 I531 G3 I532 F5 I533 E5 I535 E6 I536 G2 I537 E8 I538 F8 I539 F8 I540 F7 I541 F1 I542 A7 I543 A7 I544 F6 I545 G9 I546 F10 I547 F9 I548 F10 I551 A8 I552 A8 I553 F1 I554 F1 I555 F1 I556 F3 I557 F3 SB160 160V 8K2 BZX384 B6V8 6V8 RGP10D 100n 100R 100K 4n7 220R BZX384 B3V9 6V2 7V6 0V3 1...

Страница 45: ...BAS316 BAS316 BAS316 47K 1M 2M2 47K 1M 2M2 47K 1M 2M2 BC857B EUROPE HR 21RF 29RF 29RF 24WR 28WSRF BC857B BC857B BC857B BC857B 47K 1M 2M2 47K 1M 2M2 47K 1M 2M2 47K 1M 2M2 47K 1M 220R 220R SB360 SB360 WIRE SIN 400 SIN 18ST BK WIRE SIN 180 SIN 18ST BK WIRE SIN 400 SIN 18ST BK WIRE SIN JMP JMP JMP JMP BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 BAS316 7532 400V ...

Страница 46: ...9 2491 I457 C7 I458 D7 I459 D7 I460 E7 I461 E8 I462 D9 I463 F7 I464 F8 I465 B7 RES RES 0V5 of CRT PANEL To To 1404 of 1V9 BAV21WS I466 C8 I467 D8 I468 F7 I469 A8 I470 E7 I471 E8 I472 F9 I473 D5 I474 A5 I475 D7 1V4 DEFLECTION Tube Only A4 12V4 1V A4 1V3 CRT PANEL 6V2 0V7 7V9 2V6 4V5 A4 1V6 1R A2 A2 A4 0V5 LOT K A AK FRAME DEFLECTION EW DRIVE 3V3 2V8 0V6 0V 27V6 6458 2492 2u2 100V 2415 F401 2 1 4 3 ...

Страница 47: ...F 680nF 3471 15K 5 56K 5 680K 5 37uH SC21329 00B 220R 5 3R3 1 3R3 1 470K 5 15K 5 56K 5 680K 5 82uH CU15 1342 0033CY 22uH 10 BU4508DX LPD 21RF LPD LPD LPD LPD LPD 220nF 180nF 270nF 120nF 220nF 220nF 270nF 120nF 220nF 33nF 33nF 68nF 33nF 39nF 4u7 4u7 4u7 4u7 4u7 3n3 3n3 220nF 360nF 330nF 300nF 360nF 1nF 1nF 1M 5 680K 5 680K 5 680K 5 1M 5 680K 5 1M 5 430nF 2u2 2u2 2u2 2u2 8K2 5 10K 5 8K2 5 7K5 1 8K2 ...

Страница 48: ...B9 F007 B3 F008 B3 F009 D3 F010 C10 F011 C3 I001 B4 I002 B4 I003 C8 I004 C9 I005 D4 I006 D6 I007 C9 I008 D7 I009 D8 I010 E8 68u UV1356A A I G 3 5V TEDE9 703A 50V 22P 50V 22P 50V 22P CH LNA 2008 I011 B7 I012 C9 I013 A9 I014 B3 I015 B3 I016 A6 I017 D3 TO 1510 OF JMP OF for ATSC 4 3V JMP 3006 EU QSS 7003 TUNER IF A4 34V5 BFS20 6K8 ITEM NA LA AP INT 2016 UR1316 A I 3 POWER SUPPLY TV TUNER F009 I008 0U...

Страница 49: ...V5 2V0 4V0 3V3 0V0 1V6 9252 2V2 2V2 1V4 1V3 A5 A8 A8 A8 2V6 2V6 1V3 0V5 0V0 0V0 1V7 0V0 2V0 2V6 A5 1V5 5V0 A5 A5 A9 0V3 2V0 2V5 3V3 0V0 0V0 0V0 A9 0V0 0V0 0V0 A5 2V0 5V0 3V3 5V1 3V3 3V3 0V8 A5 A5 A8 A8 A5 A2 A2 A8 3V3 2V A5 1V5 1V6 A8 A8 A5 2V0 0V0 0V0 F206 7207 BC847B 220n 2229 7205 BC847B 1684 3246 22K GND125 3237 100R 1u0 2280 3294 1234 100R 5212 220n 2206 390R 3221 c208 1K0 GND2 3285 GND2 I216...

Страница 50: ...2 PCF85116 1 5V Bus Request A4 5V4 for ITV only I2SCLK RES for EMC 7V 3V3 6V A4 iDTV Bus Request A4 A4 2 A4 A4 A4 A A4 ITV DATAIN Tx A4 A4 A4 Bus Request A4 A4 A4 Rx A4 Stdby con For ITV A4 RES A4 A4 A4 A4 A4 Only For ITV For ITV RES RES EEPROM A4 Only A4 A4 27p 2 3 4 5 6 7 2629 1213 1 F220 F242 F249 1245 I241 3 4 5 6 7 8 9 1212 1 10 11 12 2 100R 3618 2614 4u7 3604 100R 1240 F227 9235 33p 2622 PDT...

Страница 51: ...dio_Gnd 3953 1222 1 2 3 4 5 6 6901 BAS316 2960 22u FUSE RAD LT 2A 250V IEC JMP AMP ST 10W GL JMP AMP ST 5W NO SAV ITV EU JMP AMP ST 5W ITV GL JMP AMP ST 5W EU JMP AMP ST 10W EU JMP AMP ST 5W ITV EU JMP RES 47K 3948 3973 10K I940 Audio_Gnd Audio_Gnd 220n 2958 4K7 3962 4917 I927 4916 9915 I938 F904 I937 9 1 17 5 13 8 10 4 14 7 11 15 2 16 7902 6 12 3 560p 2936 Φ AMPLIFIER CLASS D TDA8925J F910 6903 B...

Страница 52: ...1 B6 I952 B6 I953 B5 I954 B5 I955 C6 I956 B8 I957 C8 I958 D4 I959 D4 5 8 ohm 15W 16V 16V 16V 0V7 16V AUDIO_AMPLIFIER A4 I955 I958 1281 1 2 3 4 I956 2988 100n 4u7 2911 2912 4u7 4u7 2913 2914 4u7 120K 3999 7993 BC847B 3998 10K 7994 BC847B I957 I954 2986 100n 7992 BC847B 4u7 2915 1n0 2990 7 1 9 5 8 2 4 6 3 Audio_Gnd 7990 TDA2616Q 68K 3996 3989 10R I953 F953 1K0 3991 100n 2987 220n 2992 2985 22n 2995 ...

Страница 53: ...F123 E2 F138 F6 I104 C5 I105 C5 RES for ITV only I106 D5 I107 B4 I108 B4 I109 E5 I110 D5 I111 E5 I112 E5 I113 D7 I114 D7 I115 C7 I116 D6 I117 E7 I118 E8 I119 E8 I120 D6 A4 A4 RES L A4 R ITEM 4101 R REAR I O CINCH RES A4 for ITV 4110 R RES CN R1 I 1 O YUV GL JMP JMP JMP JMP RES 4102 JMP JMP JMP JMP 4103 4109 4110 4111 JMP JMP 4130 9112 9113 9114 9116 JMP JMP JMP JMP CN R2 I 1 O YUV GL 3112 I105 312...

Страница 54: ...3 I681 A2 I682 A3 I683 A3 I686 A4 I687 D2 I688 A3 I689 C4 I691 B3 I693 C3 GREEN DVD Eject LATAM For Engg Purpose Only channel GREEN LTL 10234WHCR NAFTA 6691 LTL 10234WHCR POWER RES volume channel RES A4 RES To 1693 of SETS WITH LIGHT_SENSOR A4 FRONT CONTROL JMP for ITV only 4693 RES 3686 390R F692 1602 9683 4694 1606 F694 3696 680K 3685 150R TSOP1836 6692 2 GND 1 OUT 3 VS I693 2691 100u F685 3684 ...

Страница 55: ...2 F581 B6 F582 B6 F583 B6 I582 B2 I583 B2 I584 B3 I585 C3 I587 B4 I588 B4 DVD IDTV 2583 2n2 F583 3585 100R 2K7 Vaux_GND 47u 5581 3584 I588 Vaux_GND Vaux_GND Vaux_GND 3582 8K2 Vaux_GND 2582 220n I582 3581 22K I584 Vaux_GND I585 F582 1 2 3 4 5 6 1581 MainSupplyGnd 4581 2u2 2590 MainSupplyGnd 2u2 2589 2 1 3 MainSupplyGnd 7582 L78L08ACZ 1582 1 2 3 4 L4978 7581 1 2 3 4 5 6 7 8 2586 100n Vaux_GND 2585 2...

Страница 56: ... 3683 B1 3943 C2 3945 D3 3961 C3 3962 D3 3975 D3 5201 D5 5208 D6 5216 D6 5217 D7 5401 A6 5402 B6 5403 B5 5405 B5 5406 B6 5408 B6 5410 B6 5450 B7 5451 B7 5500 B2 5501 B2 5502 A3 5503 A3 5511 A4 5512 B4 5512C B4 5512D B4 5531 B4 5532 B3 5536 C4 5537 C4 5551 B5 5552 B5 5561 B4 5562 B4 5581 D4 5602 D7 5603 C7 5901 D2 5902 D2 5907 D1 5908 D2 5913 D3 5914 D3 6001 E8 6401 A6 6403 C6 6404 A6 6406 A6 6410 ...

Страница 57: ... B6 3273 B6 3279 B5 3280 B5 3281 B5 3282 B5 3283 B5 3284 B5 3285 A4 3287 B5 3288 B5 3289 B6 3290 C6 3292 B6 3293 B6 3294 C6 3295 A5 3296 A5 3404 E6 3405 E7 3409 E8 3416 D6 3420 C6 3427 D7 3428 D7 3436 D5 3445 C5 3446 C5 3452 D7 3453 E7 3462 D8 3463 D8 3464 C8 3469 C8 3473 E8 3474 C7 3475 C7 3476 E7 3477 E8 3478 D8 3480 E7 3481 D8 3486 D8 3487 E7 3488 E7 3489 C5 3490 E8 3491 E8 3492 E8 3493 E8 3494...

Страница 58: ...58 L04L AA 7 Circuit Diagrams and PWB Layouts Layout Mono Carrier Part 1 Bottom Side Part 1 ...

Страница 59: ...Circuit Diagrams and PWB Layouts 59 L04L AA 7 Layout Mono Carrier Part 2 Bottom Side E_14480_003b eps 200204 Part 2 ...

Страница 60: ...60 L04L AA 7 Circuit Diagrams and PWB Layouts Layout Mono Carrier Part 3 Bottom Side E_14480_003c eps 090204 Part 3 ...

Страница 61: ...Circuit Diagrams and PWB Layouts 61 L04L AA 7 Layout Mono Carrier Part 4 Bottom Side E_14480_003d eps 090204 Part 4 ...

Страница 62: ...F352 G2 F353 G4 F354 G3 F356 E5 I330 C4 I331 C4 I332 D4 I333 C4 I334 C4 I335 D4 I336 C5 I337 D3 I351 G2 I353 F5 I355 D6 I357 B7 From 1204 of 4330 WIRE B1 NOT USED 1K R T0 CRT SOCKET 1K 1K CRT Sockets AQUADAG 10n 1n5 CRT PANEL CRT JMP JMP 3337 4329 G 4328 4337 3330 3329 3328 RES F334 H1 9 7 F356 LINE FRAME DEFLECTION Features Connectivities Line Frame Deflection TDA6107 JMP 1 2 3 4 5 1351 4337 1n 2...

Страница 63: ...2 B3 I363 D3 I364 C3 I365 C4 I366 B5 I367 B5 I368 B5 I369 C5 I370 A4 I371 C5 I372 C5 2SC3421 I373 B3 I374 B2 I375 C2 I381 D3 I383 E4 I384 F4 I385 F4 I386 D2 I387 E3 1K8 K A AK A AK K 58V To 1470 of 13V6 14V4 26V 20V 1R8 13V 6361 BAV99 I381 3376 2376 22n I365 I371 I362 I370 7363 3373 7364 7381 BC337 40 I387 3 2386 100n 1361 1 2 I385 2363 22u 100V F360 3374 3367 68K 3384 10K 3387 9361 I373 F382 100R...

Страница 64: ...1 A2 1381 A2 2330 A1 2351 A1 2352 A1 2353 A2 2361 A2 2363 A2 2364 A2 2367 A2 2368 A2 2381 A2 3331 A1 3332 A2 3333 A1 3334 A1 3335 A1 3336 A1 3351 A1 3354 A2 3355 A1 3356 A1 3362 A2 3364 A2 3367 A2 3371 A2 3373 A1 3381 A2 5330 A1 5331 A2 5351 A1 5352 A2 5361 A2 6331 A1 6332 A1 6333 A1 6383 A2 7330 A1 7363 A2 7364 A2 7381 A2 7382 A2 9351 A1 9352 A1 9361 A2 9373 A1 9390 A2 ...

Страница 65: ...82 A2 2383 A2 2384 A2 2385 A2 2386 A2 2387 A2 3328 A1 3329 A1 3330 A1 3337 A1 3357 A1 3361 A2 3363 A2 3365 A2 3366 A2 3368 A2 3369 A2 3370 A2 3374 A2 3375 A2 3376 A2 3383 A2 3384 A2 3385 A2 3386 A2 3387 A2 3388 A2 3389 A2 3390 A2 4328 A1 4329 A1 4330 A1 4337 A1 4370 A2 4374 A2 6334 A1 6335 A1 6336 A1 6337 A1 6361 A2 6376 A2 6381 A2 7331 A2 7332 A2 7361 A2 7362 A2 7366 A2 7376 A2 ...

Страница 66: ...G02 B3 SG03 D3 SG04 C3 SG08 B4 SG09 B4 SG10 B4 SG11 B4 330p 470pF SIDE AV PANEL HP PANEL 470pF for 2X5W from 1280 Features Connectivities HEADPHONE RIGHT for 2X10W from 1902 BZX79 C6V8 from Main Chassis LEFT VIDEO IN ECO SUB TO TO SPEAKER Video_Gnd 2173 I166 Video_Gnd 2171 3153 I168 SG04 75R 3158 3157 2172 1 2 3 1279 4180 2175 2u2 9181 I155 3152 5 6 SG03 1250 B 4 1277 A Video_Gnd F152 3159 100R 1 ...

Страница 67: ...100204 3139 123 5718 1 1232 A4 1250 A3 1251 A2 1252 A1 1254 A3 1277 A2 1278 A4 1279 A4 2171 A1 2172 A2 2173 A3 2174 A2 2175 A2 2180 A1 3150 A2 3151 A2 3152 A3 3153 A3 3154 A1 3155 A1 3156 A4 3157 A4 3158 A1 3159 A1 3160 A1 6161 A1 9152 A3 9175 A2 9180 A1 9181 A1 2176 A1 2178 A1 2181 A2 3161 A2 4180 A3 2181 E_14480_039 eps 100204 3139 123 5718 1 ...

Страница 68: ... 2K2 3011 A2 3012 A2 3013 A3 3014 B3 3015 A3 3016 B3 F011 A2 F012 A3 I011 A2 I013 A3 I017 B3 I018 A3 channel channel L04 KEY_PROTN SKQNAB 1013 3016 3014 3010 1010 1 2 3 F011 I017 1012 SKQNAB 1014 SKQNAB 3013 3011 F012 SKQNAB 1011 3012 I018 I011 3015 I013 E E_14480_031 eps 190204 3139 123 5714 1 E_14480_032 eps 190204 3139 123 5714 1 1010 A1 1011 B1 1012 C1 1013 A1 1014 A1 Layout Top Control Panel ...

Страница 69: ...EL 220N TO 1404 OF 22u I408 2475 15K 3470 24WR 2470 2474 2475 330nF 28WR 680nF 560nF 32WR 470nF 330nF 560nF 28WS 470nF 680nF NA LA AP I402 9460 JMP JMP JMP JMP I412 4R7 I415 3469 1463 2 3 1 4 9460 1462 1 2 3 4 100R 3468 I416 1461 1 I407 3465 470K I410 I417 I404 3463 2K7 2465 100n I406 3467 2K7 1 4 2470 1464 1N4148 6463 2477 3471 3K9 2468 100V 2u2 7460 BC547B 6460 BZX79 C4V7 2460 10u 470n 2476 7463...

Страница 70: ... of From 1212 of From 1214 of From 1206 of 75R 3621 TDA8601T 7611 I624 0V5 0V 0V 2V 2V 3V2 3V2 2V7 2V7 2V9 0V I612 4n7 2628 3631 10K 2634 680p 3635 560R 270R 1K0 3632 3634 4633 3619 75R VCC 20 VEE 18 VIN 9 VOUT 16 YIN 6 YOUT 19 23 24 SC 1 SCL 11 14 SDA SOUT 21 UIN 8 UOUT 17 4 ADEXT3 5 ADR 7 CF 22 DECDIG 15 2 10 12 13 7610 TDA9178T N1 IMPROVEMENT PICTURE Φ ADEXT1 3 ADEXT2 2626 10K 3630 4632 4636 BA...

Страница 71: ... 2605 A1 2606 A1 2610 A1 2612 A2 2613 A2 2614 A2 2615 A2 2616 A2 2617 A2 2618 A2 2626 A1 2627 A2 2628 A1 2630 A1 2631 A1 2633 A1 2634 A1 2638 A1 3610 A1 3612 A1 3613 A2 3614 A2 3615 A2 3616 A1 3617 A2 3619 A2 3620 A2 3621 A2 3625 A2 3626 A1 3627 A1 3628 A1 3630 A1 3631 A1 3632 A1 3633 A1 3634 A1 3635 A1 3636 A1 3637 A1 3638 A1 4610 A1 4611 A1 4612 A1 4613 A1 4614 A2 4617 A2 4625 A2 4630 A1 4631 A1...

Страница 72: ...1 I009 D4 I010 D1 I011 D3 I012 B2 I013 B4 I014 B4 I015 D1 I016 E2 I014 110V 220V I001 I008 7691 9002 I016 I015 I003 I011 I005 9001 1606 4 5 6 1 2 SDKVE30100 1231 3 330R 3691 I002 1505 1 2 2 1 47n 2692 5 6 LTL 10224WHCR 6691 I009 1693 1 2 3 4 I007 3696 680K 6692 TSOP1836 GND 2 OUT 1 VS 3 9695 4001 10K I004 3M3 3500 3697 I010 6693 1211 1 2 3694 4601 50V 10u 2691 I006 I012 3M3 3501 2698 100n 3693 I01...

Страница 73: ...ator to the antenna input Test pattern is a black picture blank screen on CRT without any OSD info with a signal strength of 1 V_pp 10 Set the channel of the oscilloscope to 50 V div and the time base to 0 2 ms external triggering on the vertical pulse Ground the scope at the CRT panel and connect a 10 1 probe to one of the cathodes of the picture tube socket see diagram B 11 Measure the cut off p...

Страница 74: ...lear Clear AGC 30 Normal Green 35 Options CL 10 Normal Blue 41 AKB On Tuner White Tone Geometry Audio NVM Editor ComPair on SAM SAM 1 00028 L04L 0 12 CSM 2 CODES 0 0 0 0 0 3 OP 000 057 140 032 120 128 000 Cool Delta Warm Red 2 4 nnXXnnnn nnX Normal Delta Warm Green 3 5 P3C 1 Warm Delta Warm Blue 13 6 NOT TUNED 7 NTSC 8 STEREO 9 CO 50 CL 50 BR 50 HU 0 0 AVL Off BS 50 SAM SAM Horizontal HP 37 Vertic...

Страница 75: ... to calculate the value of an Option Byte Calculate an Option Byte value OP1 OP7 in the following way Check the status of the single option bits OB are they enabled 1 or disabled 0 When an option bit is enabled 1 it represents a certain value see column Bit value in table below When an option bit is disabled its value is 0 The total value of an Option Byte decimal is formed by the sum of its eight...

Страница 76: ... Tuner 0 0 0 0 0 0 0 6 FM Radio 0 0 0 0 0 0 0 5 LNA 0 0 0 0 0 0 0 4 ATS EU 0 0 0 0 0 0 0 3 ACI 0 0 0 0 0 0 0 2 UK PNP 0 0 0 0 0 0 0 1 Virgin Mode 0 0 0 0 0 0 0 0 China 0 0 0 0 0 0 0 OP1 value dec 0 0 0 0 0 0 0 OP2 7 Reserved 0 0 0 0 0 0 0 6 Green_UI 0 0 0 0 0 0 0 5 Channel Naming 1 1 1 1 1 1 1 4 LTI 0 0 0 0 1 1 1 3 Tilt 0 0 0 0 1 1 1 2 Fine_Tuning 1 1 1 1 1 1 1 1 PIP Philips Tuner 0 0 0 0 0 0 0 0 ...

Страница 77: ...IN MODE is set to 1 After installation is finished this option bit will be automatically set to 0 OB10 CHINA 0 Tuning is not for China set or this option bit is not applicable 1 Tuning is for China set Option Byte 2 OP2 OB27 Reserved Default setting is 0 OB26 GREEN UI 0 Green UI is disabled for Philips brand 1 Green UI is enabled for Magnavox brand Note only for NAFTA region OB25 CHANNEL NAMING 0 ...

Страница 78: ... AV2 source is not present 1 AV2 source is present Note For EU when AV2 1 both EXT2 and SVHS2 should be included in the OSD loop OB55 AV3 0 Side Front AV3 source is not present 1 Side Front AV3 source is present OB54 CVI 0 CVI source is not available 1 CVI source is available OB53 SVHS2 0 SVHS2 source is not available 1 SVHS2 source is available Note This option bit is not applicable for EU OB52 S...

Страница 79: ... the color R G and B can be selected with the UP DOWN RIGHT LEFT cursor keys The value can be changed with the LEFT RIGHT cursor keys First select the values for the NORMAL color temperature Then select the values for the COOL and WARM mode After alignment switch the set to STANDBY in order to store the alignments Default settings NORMAL NORMAL R 26 NORMAL G 32 NORMAL B 27 COOL DELTA COOL R 3 DELT...

Страница 80: ...pattern is visible Vertical S Correction VSC Align the vertical linearity meaning that vertical intervals of a grid pattern must be equal over the entire screen height Vertical Zoom VX if present The vertical zoom is added in for the purpose of development It helps the designer to set proper values for the movie expand or movie 16x9 compress Default value is 25 V60 Delta VAM for 60Hz if present Al...

Страница 81: ...uture extensions like DVD and iDTV The standard architecture consists of a Main panel called family board a Picture Tube panel a Side I O panel and a Top Control panel The Main panel consists primarily of conventional components with some surface mounted devices in the audio and video processing part The functions for video audio processing microprocessor P and CC Teletext TXT decoder are all comb...

Страница 82: ...V STDBY 2s ref 1s ref 1V8 EXT 10ms ref B Stdby_con STB bit 10ms ref Power ON PIP Supplies Out of Standby 200ms Standby mode 10mS Power off Normal Relay status Perform hard reset To Standby Closed Open 2s ref E_14480_073 eps 200204 Power O N 3 3 3 6V Vbat Vaudio To Semi Standby Out of Semi Standby Power OFF Semi Standby Normal Stdby_con Normal STB bit VT_supply 5V STDBY 1V8 ext PIP Supplies Relay s...

Страница 83: ...the deflection current and auxiliary voltages from the LOT Sets with East West correction The principle of the horizontal deflection is based on a diode modulator with east west correction This horizontal deflection circuit supplies the deflection current and auxiliary voltages from the LOT Sets with dynamic East West correction The principle of the horizontal deflection is based on a diode modula...

Страница 84: ...418 is in its most negative and D6406 conducts Thus C2415 is switched in parallel to C2417 C2418 during flyback As C2415 is much larger than C2417 C2418 the voltage across C2415 reduces the Mannheim effect oscillation Class D East West Driver To reduce the power loss of the normal used linear East West amplifier a class D East West circuit is used To achieve this the East West parabola waveform EW...

Страница 85: ...s too high TS7481 is biased at off condition by D6480 R3482 and R3483 during normal operation When the EHT goes too high the voltage across R3482 will tend to increase as well while the voltage across D6481 is fixed Up to certain level triggering point TS7481 will be on and will force the EHT_info 3 9 V The chassis will be shut down through a soft stop sequence 9 3 7 Vertical Deflection The Frame ...

Страница 86: ...r ranges in ROM from 128 kB with no TXT decoder to 128 kB with a 10 page Teletext or with Closed Caption 9 4 1 Block Diagram The block diagram of the Micro Controller application is shown below Figure 9 4 Micro Controller block diagram 9 4 2 Basic Specification The Micro Controller operates at the following supply voltages 3 3 V_dc at pins 33 125 and 19 1 8 V_dc at pins 126 36 and 33 I2C pull up s...

Страница 87: ...tion in the Hercules 9 5 Tuner and IF The tuner used in this chassis comes from two sources from Philips and from Alps Both tuner sources have the same pin configuration so they are 1 to 1 compatible except for the software which will be selected by means of Option Settings Some features Multi Standard alignment free PLL IF including SECAM L L Integrated IF AGC time constant Integrated sound band ...

Страница 88: ...e Select is between the Mono and the Stereo sets and the number of Cinch SCART s as specified in the product specification The table below shows the Audio Video Source Select diversity for all regions Table 9 10 AV Source Select diversity Table 9 11 SCART Source Select diversity Pin Symbol Remark 51 R Pr IN3 AV1 CVI 50 G Y IN3 49 B Pb IN3 52 INSSW3 74 CVBS2 Y2 95 AUDIO IN5 L 94 AUDIO IN5 R 73 AUDI...

Страница 89: ...e Limiter Beam Current Limiter Black Stretch Contrast Plus For sets with the TDA9178 there are two extra features Luminance Transient Improvement LTI Color Transient Improvement CTI 9 7 2 Block Diagram Following diagram is the block diagram of the video processing part Figure 9 5 Video processing block diagram 9 7 3 LTI CTI The TDA9178 is an I2C bus controlled IC INCREDIBLE chip with YUV interface...

Страница 90: ... or region chosen will in turn affect the type of sound standard that is are allowed to be decoded For the case of Europe the standard consists of BG DK I LL for a Multi System set There are also versions of Eastern Europe and Western Europe set and the standard for decoding will be BG DK and I DK respectively FM Radio is a feature diversity for the Europe sets The same version can have either FM ...

Страница 91: ...Blanking and Synchronization CVI Component Video Input DAC Digital to Analogue Converter DBX Dynamic Bass Expander or noise reduction system in BTSC D K Monochrome TV system Sound carrier distance is 6 5 MHz DFU Direction For Use description for the end user DNR Dynamic Noise Reduction DSP Digital Signal Processing DST Dealer Service Tool special remote control designed for dealers to enter e g se...

Страница 92: ...k stretch histogram processing gamma control Y saturation correction U V delay control smart peaking LTI VDC CDS CTI spectral processing Sout colour processing output stage Yout Uout Vout noise measuring featuremode detection supply window generation calibrate Vcc ground Sandcastle I2C I2C control ADext1 low frequencies ADC skin tone correction green enhancement blue stretch colour vector processi...

Страница 93: ...Spare Parts List EN 93 L04L AA 10 10 Spare Parts List Not applicable ...

Страница 94: ...Revision List EN 94 L04L AA 11 11 Revision List First release ...

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