Philips EM1A Servise Manual Download Page 48

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Spare parts list

GB 98

EM1A

10.

10. Spare parts list

[A] Large Signal Panel + [F] CRT
Panel

Various

3122 785 90260 Main Supply Repair Kit
3122 785 90270 Standby Supply Repair Kit
3122 785 90120 Line Supply Repair Kit

0010

2422 025 16374 2P male V

0020

4822 267 10774 2P male red

0029

3104 304 22832 Chassis frame

0032

4822 492 70788 Fix IC

0036

4822 265 20723 2P

0037

3104 304 21114 LOT SSB support

0045

4822 267 10734 5P

0050

4822 466 93461 20 X 25

0065

3104 304 22031 LOT Spacer EMG

0102

3104 304 21601 Support bracket AP

0125

3104 304 90361 Insulation plate EMG

0150

4822 265 11253 Fuse holder

0153

4822 265 11253 Fuse holder

0203

4822 265 30734 4P

0204

2422 025 04854 6P female V

0224

4822 265 41113 7P

0298

2422 500 80036 CRT V 9P female

0317

4822 265 20723 2P

0324

4822 265 41113 7P

0325

2422 025 16382 3P male V

0340

4822 267 10968 11P

0383

4822 267 10735 3P

0391

4822 267 10973 1P

0395

4822 492 70789 Fix transistor

0396

4822 492 70789 Fix transistor

0480

4822 492 70789 Fix transistor

0504

4822 492 63524 Fix transistor

0505

3122 121 24785 Spring for bracket

0620

4822 492 70789 Fix transistor

0750

3122 121 24785 Spring for bracket

0760

3122 121 24785 Spring for bracket

1001

4822 252 60151 Spark gap

1002

2422 132 07411 Relay 1P 5V 5A

1200

2422 542 90067 TUN V+U PLL PH Dk

1200

2422 542 90072 TUN TV V+U

1401

4822 071 51601 Fuse 160mA

1501

4822 070 34002 Fuse 4A

1503

4822 070 12502 Fuse 2.5A

1735

2422 025 16407 3P male V

1736

2422 025 16382 3P male V

1737

4822 267 10735 3P

1900

2422 026 05064 Cinch 12P female H

1901

2422 026 04926 4P female H

1920

4822 265 30735 5P

1921

2422 025 04851 3P

1922

2422 025 04851 3P

1923

2422 025 16599 80P female V

1936

2422 025 12485 11P male V

1937

4822 267 10557 10P

1940

4822 267 10968 11P

1943

4822 267 10748 3P

1945

4822 267 10735 3P

1946

5322 268 90415 2P

1947

4822 267 10734 5P

1948

4822 265 31215 3P

2101

5322 122 32818 2n2F 10% 100V

2102

4822 124 81151 22

F 50V

2104

4822 123 14025 2200

F 20% 16V

2106

5322 126 10223 4n7F 10% 63V

2108

4822 121 70162 10nF 5% 400V

2109

4822 126 13482 470nF 20-80% 16V

2110

5322 121 42498 680nF 5% 63V

2111

4822 121 43526 47nF 5% 250V

2112

4822 124 11913 22nF 20% 275V

2113

4822 122 33127 2n2F 10% 63V

2114

4822 121 10711 100nF 20% 275V

2120

5322 121 42386 100nF 5% 63V

2200

4822 124 80195 470

F 20% 10V

2201

4822 126 14076 220nF 25V

2202

4822 126 13473 220nF 80-20% 50V

2203

4822 124 40433 47

F 20% 25V

2300

4822 124 40764 22

F 100 V

2301

4822 124 40196 220

F 20% 16V

2303

5322 122 31863 330pF 5% 63V

2304

4822 121 41856 22nF 5% 250V

2305

3198 017 44740 470nF 10V

2306

4822 126 14585 100nF 10% 50V

2307

5322 122 32654 22nF 10% 63V

2309

5322 122 32654 22nF 10% 63V

2313

4822 124 11565 10

F 20% 250V

2315

4822 122 33216 270pF 5% 50V

2316

4822 121 40518 100nF 10% 250V

2317

5322 121 44356 4n7F 5% 2kV

2318

5322 122 32654 22nF 10% 63V

2319

4822 122 30043 10nF 80% 63V

2320

4822 126 13838 100nF 20-80% 50V

2325

4822 126 14585 100nF 10% 50V

2400

4822 124 11575 7

F 20% 160V

2402

4822 126 13599 3n3F 10% 500V

2411

4822 126 14585 100nF 10% 50V

2412

4822 126 13751 47nF 10% 63V

2413

4822 124 12255 10

F 20% 50V

2414

4822 126 13751 47nF 10% 63V

2415

4822 122 33575 220pF 5% 63V

2416

4822 126 14133 1nF 20% 250V

2417

4822 126 14076 220nF 25V

2419

4822 126 14237 470pF 10% 2kV

2420

4822 121 70595 1n2F 5% 2kV

2421

4822 121 42634 560nF 5% 250V

2424

4822 126 10206 2n2F 10% 500V

2425

4822 121 10526 9n1F 5% 2kV

2426

2222 375 90218 18nF 5% 630V

2429

4822 121 43343 4n7F 10% 400V

2430

4822 121 41857 10nF 5% 250V

2431

4822 126 10206 2n2F 10% 500V

2433

2222 479 90022 0.43

F 250V

2446

5322 122 32268 470pF 10% 50V

2447

5322 122 32268 470pF 10% 50V

2448

5322 122 32268 470pF 10% 50V

2450

5322 121 42578 100nF 5% 250V

2455

5322 122 34099 470pF 10% 63V

2459

4822 122 31177 470pF 10% 500V

2460

4822 124 40784 3300

F 20% 16V

2461

4822 122 31177 470pF 10% 500V

2462

4822 124 80061 1000

F 20% 25V

2463

4822 122 31177 470pF 10% 500V

2464

4822 124 80061 1000

F 20% 25V

2465

4822 122 31177 470pF 10% 500V

2466

4822 124 41584 100

F 20% 10V

2467

4822 124 41584 100

F 20% 10V

2468

4822 124 12297 4.7

F 20% 350V

2469

4822 122 31169 1n5F 10% 500V

2471

2222 460 90025 18nF 2% 63V

2480

4822 121 43856 4n7F 5% 250V

2485

2222 460 90022 10nF 2% 63V

2489

4822 124 40433 47

F 20% 25V

2492

4822 126 14076 220nF 25V

2493

5322 122 32654 22nF 10% 63V

2494

4822 126 14076 220nF 25V

2495

4822 126 14076 220nF 25V

2496

4822 126 13838 100nF 20-80% 50V

2497

4822 126 14076 220nF 25V

2498

4822 126 14585 100nF 10% 50V

2499

4822 122 33891 3.3nF10% 63V

2501

4822 126 14588 2n2F 10% 1kV

2502

5322 122 32818 2n2F 10% 100V

2503

5322 121 42489 33nF 5% 250V

2505

2020 554 90148 470pF 20% 250V

2506

4822 121 43913 470nF 10% 100V

2507

4822 126 13589 470nF 275V

2508

4822 124 11913 22nF 20% 275V

2509

4822 124 11913 22nF 20% 275V

2510

4822 124 12415 20

F 20% 400V

2512

4822 124 12056 1000

F 20% 35V

2513

5322 122 34099 470pF 10% 63V

2514

5322 122 31863 330pF 5% 63V

2515

2020 021 91543 47

F 20% 160V

2518

4822 126 13249 150pF 10% 500V

2519

5322 122 32818 2n2F 10% 100V

2520

4822 126 14585 100nF 10% 50V

2521

4822 122 33216 270pF 5% 50V

2528

4822 126 14585 100nF 10% 50V

2530

4822 126 14585 100nF 10% 50V

2531

4822 122 31169 1n5F 10% 500V

2536

4822 124 21913 1

F 20% 63V

2538

5322 126 10223 4n7F 10% 63V

2601

4822 121 51319 1

F 10% 63V

2602

4822 124 81151 22

F 50V

2603

2020 552 95447 16V 2U2

2604

4822 124 40248 10

F 20% 63V

2607

4822 124 40769 4.7

F 20% 100V

2609

4822 124 40196 220

F 20% 16V

2610

4822 122 33127 2n2F 10% 63V

2620

4822 126 14076 220nF 25V

2621

4822 126 13838 100nF 20-80% 50V

2622

4822 124 40255 100

F 20% 63V

2624

4822 121 51252 470nF 5% 63V

2625

4822 121 51252 470nF 5% 63V

2627

5322 124 40641 10

F 20% 100V

2639

2238 780 15654 220n 10% 16V

2640

4822 124 21913 1

F 20% 63V

2642

4822 124 40255 100

F 20% 63V

2653

5322 126 10511 1nF 5% 50V

2704

4822 124 41751 47

F 20% 50V

2730

4822 124 81151 22

F 50V

2731

4822 124 81151 22

F 50V

2732

4822 124 40255 100

F 20% 63V

2733

4822 124 40255 100

F 20% 63V

2734

4822 124 81151 22

F 50V

2735

4822 124 81151 22

F 50V

2738

4822 124 80791 470

F 16V 20%

2739

4822 124 80791 470

F 16V 20%

2756

4822 126 13751 47nF 10% 63V

2758

4822 124 40769 4.7

F 20% 100V

2759

4822 124 40769 4.7

F 20% 100V

2760

4822 124 80061 1000

F 20% 25V

2761

4822 124 80061 1000

F 20% 25V

2762

4822 124 80061 1000

F 20% 25V

2765

4822 124 40255 100

F 20% 63V

2766

4822 124 40255 100

F 20% 63V

2767

4822 124 80144 220

F 20% 25V

2768

4822 124 80144 220

F 20% 25V

2775

4822 126 13751 47nF 10% 63V

2776

4822 126 13751 47nF 10% 63V

2782

4822 126 13751 47nF 10% 63V

2784

4822 121 43526 47nF 5% 250V

2785

4822 121 43526 47nF 5% 250V

2786

5322 121 42498 680nF 5% 63V

2906

5322 122 32531 100pF 5% 50V

2910

5322 122 32531 100pF 5% 50V

2912

4822 124 40248 10

F 20% 63V

2913

4822 126 14585 100nF 10% 50V

2917

5322 122 32531 100pF 5% 50V

2920

5322 122 32531 100pF 5% 50V

2923

5322 122 31863 330pF 5% 63V

2925

5322 122 31863 330pF 5% 63V

2926

4822 124 11767 470

F 20% 25V

2927

4822 124 41751 47

F 20% 50V

2928

4822 126 13482 470nF 20-80% 16V

2941

5322 122 31865 1n5F 10% 63V

2942

5322 122 31865 1n5F 10% 63V

2944

4822 121 10779 1n5F 10% 50V

2946

5322 122 31865 1n5F 10% 63V

2951

4822 124 21913 1

F 20% 63V

2952

4822 126 13751 47nF 10% 63V

2953

4822 126 13751 47nF 10% 63V

3101

4822 053 20106 10M 5% 0.25W

3102

4822 050 26801 680

Ω

1% 0.6W

3103

4822 050 26801 680

Ω

1% 0.6W

3104

4822 116 52195 47

Ω

5% 0.5W

3105

4822 050 26801 680

Ω

1% 0.6W

3106

4822 050 11002 1k 1% 0.4W

3107

4822 050 11002 1k 1% 0.4W

3108

4822 116 52176 10

Ω

5% 0.5W

3109

4822 051 20109 10

Ω

5% 0.1W

3110

4822 052 10109 10

Ω

5% 0.33W

3113

4822 116 52186 22

Ω

5% 0.5W

3114

4822 116 83872 220

Ω

5% 0.5W

3117

4822 116 52195 47

Ω

5% 0.5W

3118

4822 050 24708 4

Ω

7 1% 0.6W

3120

4822 051 20109 10

Ω

5% 0.1W

3123

4822 116 52176 10

Ω

5% 0.5W

3124

4822 116 52199 68

Ω

5% 0.5W

3125

4822 116 52182 15

Ω

5% 0.5W

3126

4822 050 21003 10k 1% 0.6W

3127

4822 116 52289 5k6 5% 0.5W

3130

4822 116 52195 47

Ω

5% 0.5W

3200

4822 051 20101 100

Ω

5% 0.1W

3201

4822 051 20101 100

Ω

5% 0.1W

3202

4822 050 11002 1k 1% 0.4W

3203

4822 051 10102 1k 2% 0.25W

3230

4822 053 11223 22k 5% 2W

3300

4822 052 10109 10

Ω

5% 0.33W

3301

4822 053 12472 4k7 5% 3W

3303

4822 117 10965 18k 1% 0.1W

3304

4822 051 10102 1k 2% 0.25W

3307

4822 051 20109 10

Ω

5% 0.1W

3308

4822 117 11148 56k 1% 0.1W

3309

4822 117 10353 150

Ω

1% 0.1W

3310

4822 051 10102 1k 2% 0.25W

3311

4822 051 20479 47

Ω

5% 0.1W

3312

4822 117 11449 2k2 5% 0.1W

Summary of Contents for EM1A

Page 1: ...ew 32 Testpoint overview LSP 33 Testpoint overview SSB DW CRT panel 34 7 Electrical diagram s en PWB s Diagram PWB Main supply Diagram A1 35 43 48 Standby supply Diagram A2 36 43 48 Line deflection Diagram A3 37 43 48 Frame deflection Diagram A4 38 43 48 Audio amplifier Diagram A5 39 43 48 Headphone amplifier Diagram A6 40 43 48 Tuner I O SIMM connector Diagram A7 41 43 48 Front control Diagram A8...

Page 2: ... buttons Side I O connections Figure 1 1 SVHS 1 gnd v 2 gnd v 3 Y 1 Vpp 75 Ω j 4 C 0 3 Vpp 75 Ω j Audio video 1 Video 1 Vpp 75 Ω jq 2 Audio L 0 2 Vrms 10 kΩ jq 3 Audio R 0 2 Vrms 10 kΩ jq 4 Headphone 32 2000 Ω 10 mW rt 1 2 2 Rear connections Figure 1 2 Monitor out 1 Video 1 Vpp 75 Ω kq 2 Audio L 0 5 Vrms 10 kΩ kq 3 Audio R 0 5 Vrms 10 kΩ q AV1 in 1 Y 0 7 Vpp 75 Ω jq 2 Pb 0 7 Vpp 75 Ω jq 3 Pr 0 7 V...

Page 3: ...verview GB 3 EM1A 1 1 3 Chassis overview Figure 1 3 CL 06532130_003 eps 181000 LARGE SIGNAL PANEL SMALL SIGNAL BOARD B A CRT SCAVEM PANEL F MAINS SWITCH PANEL J MAINS HARMONIC PANEL Y SIDE I O PANEL D PIP DOUBLE WINDOW PANEL C TOP CONTROL PANEL E DAF PANEL I ...

Page 4: ...net should be checked for defects to avoid touching of any inner parts by the customer 2 2 Maintenance instructions It is recommended to have a maintenance inspection carried out by a qualified service employee The interval depends on the usage conditions When the set is used under normal circumstances for example in a living room the recommended interval is 3 to 5 years When the set is used in ci...

Page 5: ... with D and without E aerial signal Voltages in the power supply section are measured both for normal operation G and in Standby F These values are indicated by means of the appropriate symbols The picture tube PWB has printed spark gaps Each spark gap is connected between an electrode of the picture tube and the Aquadag coating The semiconductors indicated in the circuit diagram and in the parts ...

Page 6: ... key The request DELETE appears next to the selected channel number or source Press the cursor right to delete Press the SURF key repeatedly to scroll through the selected channels or sources Cursor Up Down allows you to select the next or previous item on the menu and to select another picture format Left Right allows you to access the sub menus and adjust the settings V Volume Increases or decre...

Page 7: ...t character You can key up to a maximum of 5 characters Press the MENU key to store the named channel Naming of channels INSTALL LANGUAGE AUTO STORE MANUAL STORE SORT CHANNEL EDIT NAME INSTALL LANGUAGE AUTO STORE MANUAL STORE SORT CHANNEL EDIT ƒ NAME SORT FROM TO EXCHANGE EXCHANGED 3 4 5 6 7 SKIPPED INSTALL LANGUAGE AUTO STORE MANUAL STORE SORT CHANNEL EDIT NAME CNN Manual tuning allows you to sto...

Page 8: ...t x of your TV Better playback quality can be obtained if you also connect the Video Audio Left and Right only for stereo equipment cables 3 to the VIDEO AUDIO L Mono and R input AV2 IN Note in case of mono equipment only the left loudspeaker reproduces sound Use a mono to stereo adaptor not supplied for sound reproduction via all internal loudspeakers The MONITOR OUT connectors can be used for da...

Page 9: ...on the right side of the TV Switch on the equipment é Select the correct external on your TV and on your video recorder Set your video recorder to record You record what you are watching on the screen Do not switch channel numbers or do not switch off your TV when you are recording Record with your video recorder Connect your camera or camcorder to sockets at the right side of your TV é Connect th...

Page 10: ...e the VOLUME Check that the television is not muted press the button on the remote control When no signal is detected the television automatically switches off the sound This is proper operation and does not indicate a malfunction Check the transmission system s sound settings of this set Adjust the contrast and brightness setting or select another picture setting with the smart picture key Check ...

Page 11: ...le and pull backward 3 Remove Mains switch module from bottomplate see description below 4 Free the necessary wiring from their fixation clamps for the ease of handling 5 Sometimes a cable must be disconnected for the ease of handling like the degaussing coil 0020 and loudspeaker 1735 1736 1737 cables 6 Now reposition following modules in order to cope with the LSP service position DAF module from...

Page 12: ...original position but for ease of use a SSB extension board is available under number 9965 000 05769 Before usage of this board the LSP top bracket has to be taken out This can be done by 1 Remove the DAF panel see 4 2 5 2 Remove the 2 screws which hold the bracket at the right side 3 Lift the bracket at the same side It hinges at the cooling plate Note For some type numbers the LSP has to be move...

Page 13: ...B while sliding the module in the direction of the CRT 2 2 The board can easily be lifted from its bracket after releasing the 2 fixation clamps 3 4 2 6 Accessing the Mains Harmonic panel Figure 4 8 1 The complete module can be removed from the LSP bracket after removal of the DAF panel by removing screw 1 and then slide the module in the opposite direction of the CRT 2 2 The board can easily be l...

Page 14: ...position 2 1 Release the two fixation clamps by pulling them backward 1 2 At the same time the complete assy must be pulled backward 2 3 If the board has to be removed release the 2 clamps at the bracket sides and lift panel up 3 4 3 Mounting the Rear Cover Before mounting the Rear Cover some checks has to be performed Check whether the Mains Cord is mounted correctly in the guiding brackets Check...

Page 15: ...lity mode and no ident timer normally the set is automatically switched off when no video signal IDENT was received for 15 minutes Entering Via a standard RC handset by entering the code 062596 followed by the MENU button Via ComPair Via grounding the Front Detect line on the Side I O panel during switch ON pins 1 and 7 of connector 0936 By the DEFAULT button on the DST while the set is in the nor...

Page 16: ...ption bytes 8 codes possible summary of options are explained below 5 Sub menus are listed in a scroll menu N O R M A L R E D P I C T U R E B R I G H T N E S S S O U N D C O L O U R F E A T U R E S C O N T R A S T I N S T A L L S H A R P N E S S C O L O U R T E M P S A M S A M S A M S A M S A M N P R G W S S B S Y S T E M O B 1 O B 2 H R S 0 0 0 3 S W I D E M 1 1 A 1 1 0 E R R 0 0 0 0 0 0 0 O P T ...

Page 17: ...2 2 Details on available software versions can be found in the chapter Software Survey of the publication Product Survey Colour Television Line 2 Error code buffer for more details see paragraph 5 3 Displays the last 7 errors of the error code buffer Line 3 Software and hardware functionality of the EM1A is controlled by option bits An option byte or option number represents 8 of those bits Each o...

Page 18: ...omer Service Mode the picture is OK Decrease the CONTRAST value The new Personal Preference value is automatically stored after 3 minutes 5 3 2 Sound problems No sound or sound too loud after channel change switching on After switching on the Customer Service Mode the volume is OK Increase decrease the volume level The new Personal Preference value is automatically stored after 3 minutes 5 4 ComPa...

Page 19: ...p ComPair and select File menu Open select EM1A Fault finding and click OK 9 Click on the icon to switch ON the communication mode the red LED on the ComPair interface will light up 10 Switch ON the TV set with the mains switch 11 When the set is in standby click on Start up in ComPair mode from standby in the ComPair EM1A faultfinding tree otherwise continue Figure 5 5 The set has now started up ...

Page 20: ...MSP connected to the 5 V supply are constantly monitored When none of these devices responds to the micro controller for a prolonged time the micro controller assumes that there is a failure in the 5 V supply By starting up the set via grounding of the FRONT_DETECT line on the side I O the 5 V protection will be overruled and it will be easier to determine the cause The 5V protection will be activ...

Page 21: ... of some circuits will be switched off Also in protection the LED will blink the number of times equivalent to the most recent error code 5 6 The blinking LED procedure The contents of the error buffer can also be made visible through the blinking LED procedure This is especially useful when there is no picture When the SDM is entered the LED will blink the contents of the error buffer Error codes...

Page 22: ...he microprocessor namely the BRIDGE_PROT coming from the line stage and the DEFL_PROT protection coming from the frame deflection stage If one of these protections is triggered the set is positioned in Standby mode The Painter will now try to re start the set If this will not succeed after 5 times after 30 60 s the Painter will generate error 7 this error can have several causes such as a Flash BR...

Page 23: ...eady Standby info high µP has been reset by POR Standby supply starts oscillating off Low_power_standby High_power_standby no no yes yes POR available within 1 second Standby high Go to protection Error code 05 HOP POR not successfull read POR bit from the HOP Wait 1500ms and reset MSP Sound IC DISABLE I2C while EHT is starting up 250ms Give HOP_start_commando within 23 5 ms after a POR is obtaine...

Page 24: ...o put supply in on mode TS7529 is blocking then Load capacitor C2515 VBAT with a load of 500 ohm Supply can not work without a minimum load Use a variac to slowly increase the VMAINS Measure over sensing resistors R3514 15 whether a nice sawtooth voltage becomes available Also measure the VBAT output VBAT may never exceed 141 V If so there is something wrong in the feedback circuitry e g regulator...

Page 25: ...re is caused by or check feed back circuit See repair tip main power supply supply needs a minimal load No picture no sound LED works fine Supply does not work correctly If e g VBAT is only about 90 V regulator IC 7506 could be damaged No RC5 reception Red LED does not echo RC commands Processor circuitry or RC receiver is wrong In case set reacts on local keyboard operation error must be found in...

Page 26: ...Fault finding and repair tips GB 26 EM1A 5 Personal notes ...

Page 27: ...athodes of the CRT pin 8 6 and 11 of the CRT connector Select the cathode with the highest VDC value for the measurement 4 Adjust Vcutoff with the Vg2 SCREEN potmeter of the LOT to 170 2 VDC Figure 8 2 8 2 2 Focusing 1 Tune the set to a circle or crosshatch test pattern use an external video pattern generator 2 Adjust the 1st Focus potmeter upper LOT potmeter see figure 8 1 until the horizontal an...

Page 28: ...uency showed in the line Fine tune is between 471 18 MHz and 471 31 MHz you don t need to re adjust the IF AFC 5 If not adjust the frequency in the Fine tune line to 471 25 MHz and store the program by leaving the menu this is very important because this will disable the AFC algorythm 6 Now go to the SAM and select Alignments General IF AFC 7 First you must align the IF AFC parameter such that you...

Page 29: ...al input Set amplitude to 1 mVRMS and set frequency for PAL BG to 475 25 MHz 2 Set CONTRAST to the maximum value 99 3 Measure with a colour analyser calibrated with the spectra on the centre of the white square on the screen Adjust the level of NORMAL BLUE and NORMAL RED to get the right XY coordinates See table 8 1 Table 8 1 8 4 Options 8 4 1 Options Options are used to control the presence absen...

Page 30: ...PMU Incredible picture via menu OFF menu item INCR PICT not available ON available OB2 8 CBFL Comb filter OFF no comb filter on the SSB ON comb filter present on the SSB OB3 1 SURF Surf OFF disabled ON enabled OB3 2 CHNA China set OFF disabled ON enabled OB3 3 VSLC Vertical slicing OFF disabled ON enabled OB3 4 W169 Double Window 16 9 OFF disabled ON enabled OB3 5 W4X3 Double Window 4 3 OFF disabl...

Page 31: ...nction enabled OB3 1 W4X3 Double Window 4 3 OFF function disabled ON function enabled OB3 2 ISUR Incredible Surround OFF function disabled ON function enabled OB3 3 PIPF PIP Functionality OFF function disabled ON function enabled OB3 4 PIPT PIP Tuner OFF function disabled ON function enabled OB3 5 PIPS PIP Surf OFF function disabled ON function enabled OB2 6 PIPC PIP Control OFF function disabled ...

Page 32: ... the EM1A LSP has a very large hot part including the deflection coil The SSB is a high tech module 2 sides reflow technology full SMC with very high component density and complete shielding for EMC reasons Despite this it is designed in such a way that repair on component level will be possible To achieve this attention has been paid to The position of service test lands Tuner side Accessibility ...

Page 33: ... Degaussing circuit The Main Supply a SOPS supply based on the down converter principle generates the 141 V VBAT and the 28 V for the audio part Difference with former MG sets is that VBAT is not mains isolated hot and is alignment free 9 1 3 Power supply diagram A1 A2 General The power supply has a number of main functions These functions are dealt with in succession Mains filter Degaussing pictu...

Page 34: ...mary coil will induce a counter e m f that wants to maintain the current The voltage on the drain of the FET will increase The secondary voltage 8 9 will become positive and will charge C2104 via D6107 and D6111 All energy that was stored in L5101 during t0 t1 will be transferred into the load Due to the transformer principle a voltage will now be induced in the primary winding 3 5 and the co coup...

Page 35: ...in coil L will be transferred to electrostatic energy in capacitor C The VIN will only supply current during the time that S is closed while a constant current is flowing through RL VBAT is directly proportional with VIN and the time that S is closed and reverse proportional with period time T So by changing the duty cycle it will be possible to control VBAT Figure 9 6 At start up of the main supp...

Page 36: ...BY At the moment the set is switched ON the HOP is not working as much as possible IC s are made voltageless during STANDBY Therefore it is impossible that the STANDBY line carries line pulses so the main supply cannot start up This problem is solved via the low power start up possibility of the HOP Via pin 22 the HOP receives via the STANDBY_INFO line from the Painter a voltage of 5 2 V coming fr...

Page 37: ...ion delivering HA and VA Switching off IF filtering The HIP has various inputs Full matrix switch with 2 CVBS inputs 2 Y C or additional CVBS inputs 1 CVBS front end input Two RGB and 1 YUV input Outputs Three separate switchable outputs can be used 1 YUV output is fed to the PICNIC 2 CVBS outputs One for Teletext Dual Screen and the other for output to MONITOR OUT to have WYSIWYR What you see is ...

Page 38: ... without movement Variable Vertical Sample Rate Conversion Synchronous No Parity Eight bit Reception an Transmission interface SNERT bus Depending on the chassis model the FBX6 can have the following specification 9 1 8 Video High end Output Processor HOP diagram B4 General In the HOP High end Output Processor TDA9330 the video processor and digital deflection processor are integrated The main fun...

Page 39: ...herefore this pulse is converted into a VDHOP signal by a 530 µs monostable oscillator extended by 16 5 lines This signal is on block function level equal to VSYNC and FRAMEDRIVE The Painter is synchronised on the HD100 pulse from the FBX and on the VSYNC for the synchronisation of TXT OSD When no CVBS is offered to the video processor the VA and HA pulses are switched off by the HIP and the VD an...

Page 40: ...left side will be reduced C2433 is charged quadratic during time interval t1 t2 Left and right the voltage across the deflection coil decreases causing the deflection to slow down In the centre the voltage increases and the deflection will be faster An S shaped current will have to be superimposed onto the saw tooth current This correction is called finger length correction or S correction C2433 i...

Page 41: ...en 8 and 8 V Figure 9 12 The sawtooth voltage for the frame output stage is not generated by the HOP but by a discrete circuit after the optocoupler 7610 via R3600 and R3601 a linear increasing voltage over C2601 is built up with a large time constant The circuit around TS7603 is a current source driving C2601 with a current value derived from the E W modulator This will result in an S shaped volt...

Page 42: ...und output MSP3451G Virtual Dolby The MSP3451 which is used in all versions supporting Virtual Dolby is capable of supporting 4 stereo inputs and 1 mono AM INPUT Therefore the extra input selector HEF4052 is not needed The MSP3451 is also capable of supporting 2 EXT outputs so the trick used in the MSP3415 set up to get a constant level output is not needed The MSP3451 has a separate headphone out...

Page 43: ...n and Blue are added together and offered to the emitter TS7300 On the collector of this transistor configured in a common base the sum of these 3 signals is obtained Via the emitter follower formed with TS7301 this signal is conveyed to the differentiator C2303 R3309 and R3318 Only the high frequencies are differentiated small RC time The positive and negative pulses of this signal drive respecti...

Page 44: ... IF frequency settings by the RESET signal TUNER 7201 SPLITTER LATAM AP RF to Main Tuner 1352 4 5 1 11 IF RGB YUV INPUT2 RGB YUV MATRIX COLOUR DECODING SYNC RBG YUV MATRIX YUV INTERFACE RGB INPUT1 RGB OUTPUT DOUBLE WINDOW PROCESSOR IC7801 SAB9081H TDA888X IC7301 7803 TDA8601 1333 4305 PIP AUDIO PIP AUDIO 12 11 10 6 7 8 8 12 10 10 6 8 9 2 3 4 4 3 1 0205 Y MAIN OUT U MAIN OUT V MAIN OUT Y PIP MAIN I...

Page 45: ...1 MB DRAM of the video data is done entirely in the digital domain The conversion back to the analogue domain is done by DACs Internal clocks are generated by PLLs which lock on to the applied horizontal and vertical syncs from the main sub pictures The main picture syncs are applied to pin 70 vert pin 94 hor and the sub picture syncs are applied to pin 72 vert and pin 87 hor For DW mode the main ...

Page 46: ...supply voltage DC PROT DC protection DFU Direction For Use description for the end user DNR Digital Noise Reduction noise reduction feature of the box DSP Digital Signal Processing DST Dealer Service Tool special remote control designed for dealers to enter e g service mode DVD Digital Versatile Disc DYN FASE COR Dynamic phase correction EHT Extra High Tension EHT INFO Extra High Tension informati...

Page 47: ... PILOTMUTE Pilot Mute signal Progressive Scan Scan mode where all scan lines are displayed in one frame at the same time creating a double vertical resolution PTP Picture Tube Panel RAM Random Access Memory RC Remote Control RC5 RC5 signal from the remote control receiver RESET Reset signal ROM Read Only Memory SAM Service Alignment Mode SC Sandcastle pulse derived from sync signals SCAVEM Scan Ve...

Page 48: ...µF 20 350V 2469 4822 122 31169 1n5F 10 500V 2471 2222 460 90025 18nF 2 63V 2480 4822 121 43856 4n7F 5 250V 2485 2222 460 90022 10nF 2 63V 2489 4822 124 40433 47µF 20 25V 2492 4822 126 14076 220nF 25V 2493 5322 122 32654 22nF 10 63V 2494 4822 126 14076 220nF 25V 2495 4822 126 14076 220nF 25V 2496 4822 126 13838 100nF 20 80 50V 2497 4822 126 14076 220nF 25V 2498 4822 126 14585 100nF 10 50V 2499 4822...

Page 49: ...0176 1Ω 5 0 5W 3621 4822 116 80176 1Ω 5 0 5W 3622 4822 116 80176 1Ω 5 0 5W 3623 4822 051 20223 22k 5 0 1W 3624 4822 052 10158 1Ω5 5 0 33W 3625 4822 116 83872 220Ω 5 0 5W 3626 4822 116 83872 220Ω 5 0 5W 3627 4822 116 52238 12k 5 0 5W 3628 5322 116 53564 3Ω3 5 0 5W 3630 4822 051 10102 1k 2 0 25W 3631 4822 051 20472 4k7 5 0 1W 3632 4822 117 10833 10k 1 0 1W 3633 4822 117 11449 2k2 5 0 1W 3639 4822 05...

Page 50: ...irtual DS 1020 3104 328 10991 SSB Middle East virtual DS 1301 2422 540 98456 Crystal 12MHz 1309 2422 543 01184 Crystal 4 433619MHz 1310 2422 543 01183 Crystal 3 579545MHz 1405 2422 549 44374 Saw Filter OFWK9352L 1405 2422 549 44389 Saw Filter OFWK9361L 1406 2422 549 44324 Crystal 5 5 5 74MHz 1407 2422 549 44043 Crystal 4MHz 1408 2422 549 44376 Saw Filter 1408 2422 549 44388 Saw Filter 1409 2422 54...

Page 51: ...1 30682 6k8 5 0 062W 3053 4822 051 30103 10k 5 0 062W 3055 2422 086 11013 Fuse 1Ω5 3056 4822 117 12925 47k 1 0 063W 3057 4822 117 12925 47k 1 0 063W 3059 4822 051 30472 4k7 5 0 062W 3060 4822 051 30272 2k7 5 0 062W 3061 4822 051 30103 10k 5 0 062W 3062 4822 051 30101 100Ω 5 0 062W 3063 4822 051 30101 100Ω 5 0 062W 3064 4822 051 30101 100Ω 5 0 062W 3300 2322 750 63908 Fuse 3Ω9 5 3301 4822 117 13632...

Page 52: ...1 92557 SAA5667 7001 9352 659 94557 SAA5647HL M1 7002 4822 130 60373 BC856B 7003 3198 010 42310 BC847BW 7004 3198 010 42310 BC847BW 7005 9322 116 74668 LD1117D33 7006 4822 209 73852 PMBT2369 7007 4822 209 73852 PMBT2369 7011 9322 156 63668 CY7C1019V33 15VC 7012 4822 209 17377 M24C32 WMN6 7301 9352 625 23518 TDA9330H N2 7303 5322 130 42756 BC857C 7307 9352 630 99118 Comb filter multi TDA9181 7308 9...

Page 53: ... 4822 051 20471 470Ω 5 0 1W 3801 4822 117 11503 220Ω 1 0 1W 3802 4822 117 10361 680Ω 1 0 1W 3803 4822 117 11503 220Ω 1 0 1W 3804 4822 051 30681 680Ω 5 0 062W 3805 4822 051 30221 220Ω 5 0 062W 3806 4822 051 30681 680Ω 5 0 062W 3807 4822 051 30221 220Ω 5 0 062W 3808 4822 117 10361 680Ω 1 0 1W 3809 4822 051 30221 220Ω 5 0 062W 3810 4822 051 30681 680Ω 5 0 062W 3811 4822 117 11503 220Ω 1 0 1W 3812 482...

Page 54: ...hift assy EMG 1430 2422 086 10581 Fuse 400mA 65V b 5430 3128 138 38911 DC shift coil d 6432 9340 317 00133 BYD33V 6433 9340 317 00133 BYD33V 8318 3104 301 08731 2P3 220mm I DAF Panel Various 0030 3104 304 21651 DAF DC SHIFT BRACKET 0317 4822 265 20723 2P 0318 2422 025 16374 2P male V 0391 3104 311 02452 JST 340mm 0397 4822 267 10973 1P g 2800 2222 375 90504 820pF 5 2kV 2890 2222 375 90504 820pF 5 ...

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