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L03.6L - Tecnicosaurios

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1. ex 46V4 lt 470K ov3 at 8 gLs aLe ovo x x 5441 A 7421 1142 5093D EHT J M26 BUT11APX L L L Ls PICTURE TUBE Be 100R 2420 2421 F425 F427 JE lt m 3426 FOCUS ats F424 100n F426 STE STS 100n Toy F428 TO CRT PANEL EJI EGP20DL 1427 L 2427 525 HORIZONTAL gt DEFLECTION m COIL VTSuppl 100n 3 5421 6 B2P 4 213 VH 3449 3450 _ RES pply A 33K 3447 33K 1448 3410 1 2406 b 7 F405 100K 68K F443 aot S S 9BC807 25 5 1RO Foy gt 6423 gt 710428 7440 Al FILAMENT 3423 3430 6 6 PSD10 204B 5 423 3 5 h 2 5 7 BAS316 TRO 1K0 ae 00 M46 RES 5 g 22n 2441 Vaudio 3425 308 mm E 6451 1451 3455 Beam Limit 330R 5 140 0 1450 A a Salles STE 1445 BAS316 2 2 SIS 3405 mS 8 2 To connector amp Ec a x 9 V 1K0 BAV21WS V 3443 458 52219 6448 Tol gt 8 1 8 8 8 e BAS316 452 100 FILAMENT STS 579 F463 F464 1RO 3444 P 1 2 7 Ad T EGP20D F446 ER c MainSupply F422 3403 _ 1 P 180 6446 180
2. CTRL AM TRANSC CTRL A6 D 5862 F9 4 7861 4 861 05 1861 B4 15 1862 C5 2869 1863 5 59 18719 1865 C6 1866 04 1867 D3 1868 1869 D5 1870 D5 187126 3863 1 4V1 VREF Y AGND 36 4V1 BPU z o E 4V1 4V1 VIL 4V1 TC1L 3864 1008 e 5 1868 9 100 1870 4n7 3n3 4852 RES 2880 22n 2879 2874 7 3861 100K 2882 RES 2881 RES 2866 2 2 2867 2868 5861 E 48V 10 d 2883 470u 1883 1 4865 2886 100 SCL 3866 gt AA F 100R 5862 SDA 3865 100R FUNCTION 11NC 8239 125 1245 G CELL 11NC 8239_125_1238 MULTIPLE BOARD 11NC 3139 123 6168 SINGLE CHASSIS 11NC 3139_123_6169 G_16560_016 eps 3139 123 6169 2 210706 1 2 3 4 5 6 7 8 9 10 Circuit Diagrams and PWB Layouts L03 6L 21 Mono Carrier Audio Amplifier Mono Sound Processing 1900 B10 1 2 3 4 5 6 7 8 9 10 11 AUDIO AMPLIFIER MONO SOUND PROCESSING m 2904 B5 2905 B5 2906 C5 2907 C5 2908 C3 2909 E4 2947 C9 2948 C9 A 2949 C9 2950 C10 T 2951 B5 i 2952 C5 3901 B5 AmpOutL_Pos 3902 B5 3901 lt
3. 120224 3642 11 VIDEO PROCESSING LEES 1621 3644 811 E 1622 64 3645 85 5 2123C3 3646 F1 9 gt gt DDD u 5 8 55 2201F4 3647C5 z 5 V oh AAAA E 5 A SA lt Y 2202 4491 B9 2203 B2 4606 B4 oO BZX79 C8V2 1615 gt Q amp e 8 2 3 lt 1 E eS 8 2204B4 4661 5 g ES 5 2205 4662 F7 2 dod 48V 2206 2 5201 C2 gu Y 5055 L 220723 5482 1 M i E 55 5 Coa 8 2208C4 5497 E10 AAA ELS Z 5 _ 9e 3 BZX384 C5V6 2209 G2 5499 E10 amp Ole lw 5 5 927 7491 3494 2210 F3 5561 F10 55 IM oa fe BORE JONO 9 221203 5601 E1 85 2 2481B7 560201 gt 8 T 3499 B 5 p 9 6 2 2482 E1 5603 D1 F201 3202 Si 6191 208 _ AAA dius CPI 2483F7 5604 F10 lt e Tel Tol OF i5 2484 7 5605 10 als 7908 d Ikei 215 100p o RET 2485 2 6481 7 STe 7201 ava 4606 BC847B PT F PO 829 518 avg BAV70 2486 F3 6491 B9 BC847B p ms Tova MATS el T SS ATE 2487 G3 6492 B10 ag ee 6628 BAS316 8318 3 8 2 52 S 5 2488 6 6624 G5 521 7 gee s 0628 5451 S9 515 527 Lol eso N 2489 F6 6625 5 41603 aon S 55 GND 2490F4 6626 C5 758 i 2 6627 S
4. D10 ro riament E A2 gt FRAME OUT EX E_14560_017 eps 240304 Block Diagrams Test Point Overviews and Waveforms L03 6L CA EE 2 and Supply Voltage Overview A 1512 4 5 EHT EHT EH ZEN a 4 Z rocs j optional gt b gt FOCUS A gt VG2 90VAC 130VAC H DRIVE 170 VO low range 1511 1400 gt E EM UR 2 OUTPUTS mane il FR 2428 Rp U ar Vaudio 3425 I FILAMENT 0221 Et FILAMENT 1 _ _ 5563 MAINSUPPLY MAINSUPPLY 3403 4 2455 6452 LIMIT m 4 3423 2406 COIL 6447 3448 AA 7 160VD p gt __Vaudio 76423 3459 ex FILAMENT 5401 3402 VT SUPPLY 1 a 6446 3445 2521 ead 28548 L KHW ee 12V 12V 7503 Tue feras 3443 6448 gt 29 5 3444 64
5. Zoe Fen 2 6628 a VA 170 29389 668105 555 5 5 2494 7 720002 e al 8 lt obh SETA 2495 A10 7201 B2 ATRRTSSS SRR ioc 2496 C6 7202 L L 889 55 o e gl ale 2497C6 7491 B7 amp 8 512 444 1 SiS 215 2498 F7 7493 B9 m9 su alal el 5 249905 7494 B10 s s 1 T 2601F7 7496 8 8 71 1 2602 F2 7601 B5 RES 2603 22 7641 B10 8 gl 2604B6 9200 5603 v v 5u6 2605 2 9410 H6 Z o D 260601 9476 Ato tava 5602 5 2607 01 F201 B2 2608 1 _ 2202 07 29400 2612B5 F204 F6 2615G5 F208 C4 261625 _ 441 G6 TT gt 2641811 F481B7 Pad z 2642 C10 F491 48V 5482 5 O 200 5499 2643 1 F492 B9 wt 2692 86 F493 A9 Qe 53 50R 3201F4 494 9 stile 8 7 lt lt 3202 82 F601 E7 555 I 8 5 3203c4 reosca 83 8 F 3204C2 F607 F5 L A a ul 8 5 28 Bl amp l 5 SS 5 8 9 Sl Sl SI 38 eo 85 S 2 9 8 F H o o 9 o g o gt 9 9 5 t ala E eus 2E 9 e 3205 2 624 H5 do c Bids 3 7 d 5789 m 33p S s S 8 3282 48V lo sS son 3208G2 F643 C11 I ES 2603 8 c g 5 48 s 8 s 8 3209 02 644 9 o Bl toe vovg T sms al 3210 23 F645 C4 lt g S 8 8LFOR YUV ON
6. 2876 2877 2878 2883 2884 2885 2903 2908 4 4 NTION 2909 2981 2983 3005 3181 3182 3183 3185 4 4 4 C4 4 4 3204 3205 3208 3210 3402 3403 3404 3405 4 4 4 4 D2 D2 D2 c2 FOR CONTINUED 3410 3421 3422 3423 3424 3425 3426 3428 04 C2 D3 D3 B2 C2 D3 PROTECTION AGAINST RISK 3439 3442 3443 3444 3445 3446 3448 3449 C2 C3 D3 D3 D2 C1 D2 C3 3450 3459 3464 3468 3470 3471 3472 34738 C3 D3 D3 D3 D3 D3 D3 F FIRE REPLACE ONLY WITH SAME TYPE OF 0 UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE Dav 3528 5581 8167 916 3139 123 6169 2 6772 2076 3474 3475 3478 3479 3485 3486 3488 3491 USE D3 04 B3 C4 C4 B4 C4 3493 3494 3495 3496 3497 3498 3500 3501 ATTN A3 3502 A3 3503 A4 3505 B4 3507 A4 3508 B4 3509 A2 3510 A2 3523 08 91 YOSI A1 A2 A1 B1 A1 A2 A2 C1 3524 3526 3527 3528 3543 3549 3581 3604 Tus C1 B1 B1 B1 C2 C2 B1 B3 3605 3618 3619 3620 3621 3624 3634 3693 LIVE PARTS B3 3865 A3 B3 3866 A3 B4 3901 A4 B3 39
7. Circuit Diagrams and PWB Layouts L03 6L 20 Mono Carrier Audio BTSC Stereo Decoder 1 2 3 4 5 6 7 8 9 10 1861 C5 5 AUDIO BTSC STEREO DECODER ECONOMIC mc 2862 C2 2863 D3 2864 C5 A 2865 C5 2866 E7 2867 E7 2868 E8 2869 D8 2870 C8 2871 8 2872 C7 2873 C7 2874 E5 2875 E5 2876 C6 2877 E5 ie B 2878 E5 R1_IN z 2879 5 3006 2880 E3 4863 2881 E7 2884 1861 3867 2882 E6 jf NVV 2883 4 2884 4 2885 4 2886 F2 2891 B2 3861 E6 3862 D4 3863 D3 19 3864 D3 3865 F4 3n3 2885 gt 2864 1 2u2 2865 4 L V 2u2 25 8 2 2 220n 1862 2872 1861 1863 1865 2870 N 5 CSBLA 514K5 7861 TDA9853H o o o o r r amp 42 43 25 2 262 122 172 222 292 342 442 23 2 24 ic n o 4 9g 8 181 3866 F4 TEREO DECODER gt DEMATRIX AUTOMATIC Main _ 3867 BS col STEREO DECODER VOLUME AND RIGHT 1 2 4852 E8 ele 3862 1866 4y435 SELECT gt LEVEL CONTROL CTRL A 4861 E8 STE d 4863 8 Tos DET AND LOGIC VOLUME 4865 F8 1867 4 133 VOLTAGE 2 164v 5861 E4 CMO 4V1 CSS 4V1 LOR 4V1 TC1R AV1 AM 2862 m 2 79 7 is lt
8. ROM RAM 1 10 PAGES MEMORY TELE e OSD 3602 3601 Std Con EXI CVBS SYNC 170 0 VOLUME 1 SDAM 3621 BLUE _5 1 IN V IN SC1 IN Y IN B SC1 IN U IN N C FBL SC1 IN YYYY 714 DEFLECTION Hflybk BEAM LIMIT EY 3624 IN FRAME OUT 7200 D Degaussing Coil TDA93XX 90VAC 130VAC low range 1511 VIDEO INTERNAL Y H DRIVE optional H DRIVE 7421 BUT11APX 170V0 FILAMENT gt I H V SYNC SEPERATOR H OSC H gt noop 433 H SHIFT V PLL 5563 ad MAIN SUPPLY CTRL DEMAG CONTROL Ic 2 V DRIVE V DRVE V DRIVE GEOMETRY 7540 6540 1 7515 TCET1103 2 GEOMETRY Std Con MAINSUPPLY 2406 COIL gt EHT gt BY BEAM EY LIMIT 160VD 3459 VT SUPPLY 12V FILAMENT
9. Options To set the Option Bytes See chapter 8 3 1 fora detailed description ia L03 6L CA Service Modes Error Codes and Fault Finding 5 3 5 3 1 Disable 0 or enable 1 the black current loop AKB Auto Kine Bias e Tuner To align the Tuner See chapter 8 3 2 for a detailed description e White Tone To align the White Tone See chapter 8 3 3 for a detailed description e Geometry To align the set geometry See chapter 8 3 4 for a detailed description How to navigate n SDAM select menu items with the CURSOR UP DOWN key on the remote control transmitter The selected item will be highlighted When not all menu items fit on the screen move the CURSOR UP DOWN key to display the next previous menu items 4 With the CURSOR LEFT RIGHT keys it is possible to Activate the selected menu item Change the value of the selected menu item Activate the selected submenu e When you press the MENU button twice the set will switch to the normal user menus with the SDAM mode still active in the background To return to the SDAM menu press the OSD STATUS button e When you press the MENU key in a submenu you will return to the previous menu How to store settings 5 3 2 To store settings leave the SDAM mode with the Stand by button on the remote How to exit Switch the set to STANDBY by pressing the power button on the remote control if you switch the set off by remo
10. p 2 3 ue gt or ERROR CODE LIST Dim UNE Error nevice Error description Check item 1 5V 45V 0 Notapplicable No g 1 Not Rav Praedion USA 7421 2423 6421 6422 FOR 6492 7 2 Not applicable Horizontal Protection 7421 7422 7423 COMPAIR ES i A FILAMENT 2 7461 7462 7463 7464 7465 ONLY l p gt FILAMENT 3 Not applicable Vertical Protecti 7 s DEEP processor 122 j J AUDIOFRONTUO um identification error 4379 7 AUDIO FRONT 5 TDA93XX POR 3 3V 8V Protection we ot pV E gt gt 3493 6 12 bus General 2 bus error L S 7 0 G l M ene 8 E W Protection Large Screen A 7491 o 5482 aub Ho mpeg 1 3491 7911 7812 7813 7914 7315 8 11 Not applicable _ Black current loop protection 7316 7317 7318 CRT 3492 12 Not applicable 2 identification error USA 18 Not applicable 2 identification error Eu 14 Not applicable DVD 12C identification error F_15380_001 eps 050405 Block Diagrams Test Point Overviews and Waveforms L03 6L CA Testpoint Overview Mono Carrier and CRT Panel MONO CARRIER TRACK SIDE VIEW 4 5
11. 29 I I AS 2581D6 1527 G11 7580 BC847B T 10R PTC 3580 47K 6580 kj BAS316 503 1N5062 1N5062 0 iT 2n2 50 2n2 2580 1N5062 alphe E a a ew 5500 258206 ADDED C6 F505 TAE 250V 1 2583 9 2 C6 i 2 7 3452 F11 MAINS 90VAC 276VAC FULL RANGE 3453 G10 3454 G9 3456 G11 m 3500 D2 5562 6562 3501 D2 Y Y gt 3502 C4 14 BYW76 F540 5563 MainSuppl 3503 B4 1 t 27 d 3505 C3 13 3507 D3 eJ J 2562 3508 C3 3509 C4 5560 6560 F542 1n0 Vaud 3510 B4 50R BF 3520 F3 260 3523 5 7 3524 E5 2n2 3525 F4 2521 3526 F4 1 0 9509 AudioSupplyGnd 3527 4 6521 3523 5509 3528 G4 Kj 3530 F5 RGPisD 509 15 508 3541 G8 AudioSupplyGnd A _ AudioSupplyGnd 2 5 3542 F9 S 3543 E10 BZX384 C6V2 3524 1524 6 a 3546 G10 3547 F10 3548 F9 3549 E9 1523 3580 B7 2524 3581 D3 3582 5 5500 4 5501 04 2452 5509 E8 7451 5515 05 BC857B 82n 5520 E7 2n2 8 8 F444 3452 5560 08 e lt lt 2528 1519 3541 820K A2 5562 D9 3 2 3528 AAA x 2453 1527 3456 5563 D10 4 i 4708 1522 3454 9v1 gs S 6500 B5 ace 15R 6520 Y te 4n7 47K 6501 B6 1521 gy 7641 6502 C5 6503 C6 3v3 ROUEN 6964 6521 E5 6522 F5 PDTC114ET a HOT COLD Std_Con 652
12. 3139 123 6172 LO6SP CRT SINGLE BOARD 11NC 3139 123 6173 G 16560 021 3139 123 6173 1 210706 1 2 3 4 5 7 8 9 10 11 12 D B9 1300 B1 1301 1 B7 1302 A D7 1303 A7 1304 A8 1305 F10 2300 C4 2301 D4 2302 E5 2303 F3 2304 F2 2318 E5 3300 A4 3301 C6 3302 B3 3303 C4 3304 C4 3305 C6 3306 C3 3307 04 3308 D5 3309 D6 3310 D3 3311 E4 3313 A5 3318 E5 3319 3320 5 4300 B3 4301 C3 4302 D3 4303 B2 4304 B2 4305 B2 4306 B2 4307 4308 C2 6301 E4 6307 6313 B5 6316 C5 6317 D5 6318 E5 7307 B3 7308 B4 7309 C3 7310 C4 7311 D3 7312 D5 7313 A4 7314 B4 7315 B4 7316 C4 7317 C5 7318 D5 F301 B2 F302 B2 F303 B2 F304 C2 F305 C2 F306 C2 F307 C2 F311 C2 1301 B3 1302 B4 1303 B4 1304 C4 1305 C3 1306 C4 1307 D3 1308 D4 1309 D4 1311 E4 I312 F5 1313 AS 1314 C5 1315 C6 1316 D6 1317 7 Circuit Diagrams and PWB Layouts L03 6L 26 Layout CRT Panel Top Side Layout CRT Panel Bottom Side 1300 A1 2300 1301 B1 2301 1302 B1 2302 1303 B1 2318 1304 B1 3302 1305 B1 3303 2303 A1 3306 2304 A1 3307 3300 A1 3311 3301 A1 EC 3320 3304 1 B 7307 1309 SJZ 4300 3305 B1 ie Bg REGN N 5 i Sz 4301 3308 A1 ns m 4302 3309 1 zi 3 3302 4303 3310 1 E 4304 3313 A1 El 4305 3318 B1 m 4306 3319 B1 3306 4307
13. D2 C3 D3 2 2 C3 C3 C3 C3 C3 D2 2 D2 C2 D2 C3 D3 C3 C3 C3 C3 C3 A3 D3 D3 C3 B4 04 04 B4 A3 A3 4 4 1 1 B2 C2 B1 C3 B2 A2 B2 B2 A2 C2 B3 B3 B3 A4 B2 A3 B3 B3 B3 B3 B2 B3 B3 B3 B3 B3 B4 A3 A2 A2 A3 A3 A4 A3 A4 A3 A3 A4 A4 A4 A4 A4 A3 A3 A4 A3 Circuit Diagrams and PWB Layouts L03 6L EL Layout Mono Carrier Bottom Side LILIL LILILIEI TERE LI99M 9 176919 EZI FW Ww j rag aje 5605 6228 5544 2208 3 6462 G 16560 020 eps 3139 123 6169 2 210706 CRT Panel Circuit Diagrams and PWB Layouts L03 6L CA 25 1 2 3 4 5 7 8 9 10 11 12 170V0 170V0 E BLUE 168V8 2 7313 2 Rcs GREEN 525 2 5 Res RED 109 RES 10 6313
14. KEYBOARD F682 Ai lt m 1 Cr cw r lt o e e eo e e 858 858 85 855 85 1 1682 16836 1684 oco 22 er e Bou POWER channel channel 82 8 25 N 1606 1603 1602 4 4 T9 USA 683 1685 volume volume 1601 T 1600 lq 4 F684 RES RES 3V3A _ 4695 _ _ 4697 _ LED 1686 3695 F693 6695 3697 lt 7 100R LTL 10224WHCR 100R e tr ass 28 855 SSA BSG 2 MUT 6692 2 TSOP1836UH1 GND 3 L vs 3 F691 F692 1 amp 8 IR 9694 Ad lt lt 7 For Engg purposes only F987 e F988 4694 T 9 MULTIPLE BOARD 11 3139 123 6168 9139 123 6169 SINGLE BOARD 11 NC FUNCTION 11NC 8239 125 1246 CELL 11NC 8239 125 1239 16560 018 eps 210706 1 1100 1 B1 1100 2 C1 1101 1 B2 1101 2 C2 1101 3 D2 1102 B5 1103 C5 1181 B2 1182 C2 1183 D2 1600 C9 1601 C9 1602 C9 1603 C8 1606 C7 1901 E5 1981 G3 1982 F3 2181 B3 2182 C3 2183 D3 2185 C2 2186 D2 2691 E9 2981 F2 2982 G3 2983 F2 2984 F3 3181 B2 3182 B3 3183 C3 3184 C3 3185 C3 3186 D3 3681 B9 3682 C9 3683 B7 3685 B8 3686 B9 3687 B9 3688 B9 3689 C7 3693 D9 3694 E8 3695 D7 3696 D7 3697 D8 3981 F3 3982 F3 4182 B7 4183 C4 4694 F7 4695 D7 4697 D8 4981 G2 4982 G2 4983 E2 4984 E2 6181 B3 6692 E9 6695 D8 9694 E8 9982 F2 F181 B3 F182 C3 F183 C3 F184 B2 F185 C2 F682
15. Mr 01 97V DC 0 5V DC 1 div 0 5V div DC 1ms div 5V div AC 20us div lt 1 gg A 4 D4 0 5V div DC 5ms div 100V div DC 20us div 7521 7520 1154 5000 0 ex pe 2 1 6 5520 11 7 3643 3642 pa 3601 w 3602 T 7200 VIDEO PROC 1 2 164 32 05 06 7 div DC 1V div AC 5ms div 5ms div i 6461 1 3 LOT po 5441 9 1 10 6447 ete ee C 7421 TEIG Ba 1000 2 1 7463 07 20V div D 5ms div 1000 ires 1 1 Dn TUNER 1 sess i D8 09 010 C 50V div DC 10V div DC 2V div DC 20ys div 201 div 20us div CRT TRACK SIDE VIEW 1 div AC 2ms div V12 1V div DC 1V div DC 20ys div 20us div 14 V15 1V div DC 50V div DC 20us div 20us div V16 V17 50V div DC 50V div DC 20us div 20ys div v2 V7 0 5V div DC 20us div 20us div v9 V10 1V div DC 1V div DC 20ys div 20ys div P1 P2 97V DC P3 13V5 DC P4 17V8 DC 50V div DC 5ps div 0 5V div DC 0 5V div DC 20us
16. for 01 AP cluster VOICE CONTROL OBx6 CONTROL OBx7 TIME WIN1 The time window is sett 1 2 s The time window is set to 2 5 8 3 2 Tuner Note Described alignments are only necessary when the part reference number 7641 is replaced IFPLL This adjustment is auto aligned Therefore no action is required default 30 AGC AGC take over point 1 Connect the RF output of a video pattern generator to the antenna input 2 Input a colour bar test pattern to the television set 3 Setthe amplitude of the video pattern generator to 10 mV and set the frequency to 475 25 mHz PAL SECAM or 61 25 MHz NTSC 4 Connect a DC multimeter to pin 1 of the tuner item 1000 on the main chassis 5 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 6 Use the MENU UP DOWN keys to highlight the TUNER sub menu 7 Press the MENU LEFT RIGHT keys to enter the TUNER sub menu 8 Use the MENU UP DOWN keys to select AGC 9 Use the MENU LEFT RIGHT keys to adjust the AGC value default value is 32 until the DC voltage at pin 1 of the tuner lies is 3 3 V 10 Press the MENU button to return to the top level SDAM menu 11 To ensure the AGC change takes effect the television set by using the POWER button on the remote
17. the error buffer e n short blinks n 1 14 e When all the error codes are displayed the sequence finishes with a LED blink of 3 s The sequence starts again Example of error buffer 12 9600 After entering SDAM e 12 short blinks followed by a pause of 3 s e 95 blinks followed by a pause of 3 s e 6short blinks followed by a pause of 3 s e 1 long blink of 3 s to finish the sequence sequence starts again 5 7 Protections If a fault situation is detected an error code will be generated and if necessary the set will be put in the protection mode Blinking of the red LED at a frequency of 3 Hz indicates the protection mode In some error cases the microprocessor does not put the set in the protection mode The error codes of the error buffer can be read via the service menu the blinking LED procedure or via ComPair To get a quick diagnosis the chassis has one service modes implemented Service Default Alignment Mode SDAM Start up of the set in a predefined way and adjustment of the set via a menu and with the help of test patterns 5 8 Repair Tips Below some failure symptoms are given followed by a repair tip e Set is dead and makes hiccupping sound Supply is available Hiccupping stops when de soldering L5563 meaning that problem is in the Main Supply line No output voltages at LOT no horizontal deflection Reason line transistor 7421 is defecti
18. 7308 A1 4308 7310 A1 6301 7312 A1 6307 7313 A1 6313 7314 A1 6316 7815 A1 6317 7816 A1 6318 7917 A1 7307 7318 A1 7309 9300 A1 7311 9302 A1 9303 A1 9304 A1 9314 A1 9315 A1 9316 A1 9317 A1 9318 A1 C 3139 123 6173 1 Q 16560 022 ens G 16560 023 eps 3139 123 6173 1 170706 8 1 8 2 8 2 1 Alignments Index of this chapter 8 1 General Alignment Conditions 8 2 Hardware Alignments 8 3 Software Alignments and Settings Note The Service Default Alignment Mode SDAM is described in the Service Modes Error Codes and Fault Finding section SDAM menu navigation is performed by using the MENU UP MENU DOWN MENU LEFT and MENU RIGHT keys of the remote control transmitter General Alignment Conditions Perform all electrical adjustments under the following conditions voltage and frequency according to country s standard e Connect the television set to the AC power via an isolation transformer e Allow the television set to warm up for approximately 20 minutes e Measure the voltages and waveforms in relation to chassis ground with the exception of the voltages on the primary side of the power supply Never use heatsinks as ground Test probe Ri gt 10 M ohm Ci lt 2 5 pF Use an isolated trimmer screwdriver to perform the alignments Hardware Alignments 1581 5
19. B7 F683 C9 F684 C7 F691 E7 F692 E8 F693 D7 F982 G5 F983 F3 F984 E5 F985 F3 F986 E4 F987 F7 F988 F7 1182 C3 1183 C3 1682 B7 1683 B8 1684 B8 1685 C9 1686 D7 1687 E9 1982 F3 Layout Mono Carrier Top Side 1000 1001 1003 1004 1100 1101 1102 1103 04 C4 D4 C4 A4 A4 A3 1201 1202 1203 1400 1401 1402 1463 1464 B4 C4 A3 D3 D3 D3 1465 1500 1501 1511 1512 1515 1520 1531 B2 A1 A1 A1 B2 A2 B2 A1 1600 1601 1602 1603 1606 1621 1622 1861 A3 2 2 1 B3 B3 Circuit Diagrams and PWB Layouts 1883 1900 1901 2002 2006 2007 2204 2205 A3 4 4 04 04 04 B4 C4 2405 2406 2408 2423 2424 2428 2441 2444 EEEE 94 5 3475 3472 C2 D2 D2 D3 C2 D3 D2 D2 2446 2447 2448 2455 2457 2460 2463 2465 D3 D2 02 C1 D3 D3 2470 2488 2491 2492 2493 2494 2495 2498 9441 04 C4 C4 B3 4 4 C4 9422 BEEBE EEE 9991 8076 2500 1 2501 1 2502 1 2503 1 2505 2 2507 1 2515 2 2523 1 4076 00971 2525 2560 2561 2562 2564 2580 2612 2616 B1 B2 B2 B2 C2 A2 A3 B4 5 2691 2692 2864 2865 2869 2870 2874 2875 2 4 4 4 4
20. Composite Video and Blanking Signal A single video signal that contains luminance colour and timing information 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 D VHF band UHF band DFU Directions For Use Owner s manual DNR Dynamic Noise Reduction noise reduction feature of the set DSP Digital Signal Processing DST Dealer Service Tool special remote control designed for dealers to enter e g service mode a DST emulator is is available in ComPair DVD Digital Versatile Disc EEPROM Electrically Erasable and Programmable Read Only Memory EHT Extreme High Tension the voltage between the cathode and the shadow mask that accelerates the electrons towards the screen around 25 kV EHT INFO Extra High Tension INFOrmation used for contrast reduction vertical EMI EPG EU EW EXT FBL FILAMENT FM 2 IF ITV LATAM LED LL LS MOSFET M N NC NICAM NTSC NVM OB OC OP OSD PAL PCB PLL and horizontal amplitude correction beam current protection and flash detection Electro Magnetic Interference Electronic Program Guide System used by broadcasters to transmit TV guide information 2 NexTView Europe East West related to horizontal deflection of the set EXTernal source entering the set via SCART or Cinches Fast BLanking DC
21. F448 ud gda 1431 2 g e RGP10D 3445 160VD 6447 180 449 Pl MN e gt 8i RGP10D 3448 EET 2 1300 bz aide 868 2457 OF CRT PANEL 8 EJI 3 470p F450 L 6463 14634 4 mm Frame Deflection E 1 uso A 00 ces TO 1464 OF E 1464 1465 e FILAMENT 7464 gt 1441 6462 1444 2460 2 BD135 4 1437 3468 1438 ovo RGP10D 68n Spr 49 6461 330R Cs E 18 ovs RGP10D Leo 51 glo 245r 8 5 STE 32 ITE 5298 3y 8 VDrive 1432 3475 Frame OUT 4 BAS316 6424 6428 442 gt BAS316 E 7466 10K A4 559 BC847B 2 2 12V DSN ESS ELES 1439 525 372 3476 8K2 1443 2464 1440 BC857B 55 470 7465 3 12V0 E 1402 5 5 528 F461 i VERTICAL 1K0 1K0 1436 7463 Su DEFLECTION BC546B 12V 12V5 12V5 Frame_FB gt 4 4 L B2P VH MULTIPLE BOARD 11 3139 123 6168 go AM 1 1 SINGLE BOARD 11 3139 123 6169 1434 2 2 M tlo B amp 52 aso FUNCTION 11NC 8239 125 1241 CELL 11NC 8239 125 1236 3139 123 6169 2 G 16560 013 eps 210706 41 11 1400 E10 1401 C4 1402 G6 1463 E8 1464 E11 1465 E11 2405 D3 2406 D4 2408 D5 2420 B2 2421 B3 2423 A4 2424 A4 2426 B2 2427 B1 2428 D2 2429 B2 2441 C9 2444 E8 2446 E8 2447 E8 2448 E8 2455 D9 2457 E7 2460 E6 2461 F2 2462 F3 2463 F3 2464
22. Screen Display Phase Alternating Line Colour system mainly used in West Europe colour carrier 4 433619 MHz and South America colour carrier PAL M 3 575612 MHz and PAL N 3 582056 MHz Printed Circuit board also called PWB or CBA Phase Locked Loop Used for e g FST tuning systems The customer 10 11 POR PTP RAM RC RGB ROM SAP SC S C SCL SDA SDAM SECAM SIF can give in directly the desired frequency Power On Reset Signal to reset the Picture Tube Panel CRT panel Random Access Memory Remote Control transmitter Red Green and Blue colour space The primary colour signals for TV By mixing levels of R G and B all colours Y C are reproduced Read Only Memory Secondary Audio Program Generally used to transmit audio in a second language Sandcastle two level pulse derived from sync signals Short Circuit Serial Clock 2 Serial Data Service Default Alignment Mode S quence Couleur Avec M moire Colour system mainly used in France and East Europe The chroma is FM modulated and the R Y and B Y signals are transmitted line sequentially Colour carriers 4 406250 MHz and 4 250000 MHz Sound Intermediate Frequency Spare Parts List Not available at the time of publishing Revision List Manual xxxx xxx 0 e First release Spare Parts List L03 6L CA EN EN 37 SS SMPS STBY SVHS SW THD TriNorma TXT UOC V V BAT V chi
23. T HUV Y mode and set CONTRAST to make the light output Y on the meter 90 nit 15 11 Use the MENU LEFT RIGHT keys to adjust the value of NORMAL GREEN and or NORMAL BLUE 12 When all desired changes to the WHITE TONE sub menu values are made press the MENU button to return to the top level SDAM menu 13 To ensure the WHITE TONE settings are saved the television set by using the POWER button on the remote control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn the television set on by using the POWER button on the remote control transmitter or the local keyboard LIN EN Alignments 8 3 4 Geometry Introduction The geometry alignment menu contains several items for correct picture geometry alignment vert slope gt VERT SHIFT gt VERT AMPLITUDE gt dumm V S CORRECTION 5 gt HOR SHIFT 6 AMPLITUDE gt E W PARABOLE uU y LO UPPER E W CORNER 9 p 4 mi LOWER E W CORNER L C gt m E W TRAPEZIUM HOR PARALLELO
24. X Ray Protection USA 7421 2428 6421 6422 A2 2 Not applicable Horizontal Protection 7421 7422 7423 A2 3 Not applicable Vertical Protection 7461 7462 7463 7464 7465 7466 A2 4 TDA9853H Tone control amp Audio processor 2 7861 Stereo Sap 5 identification error 5 TDA93XX POR 3 3V 8V Protection 7200 7541 7491 7493 7496 A4 A1 6 bus General 2 bus error 7200 3604 3605 4 7 Not applicable 8 Not applicable E W Protection Large Screen 9 M24C16 NVM 2 identification error 7641 3641 3642 3643 4 10 Tuner Tuner identification error 1000 3008 3004 11 Not applicable Black current loop protection 3313 7307 7308 7309 7310 7311 7312 7313 B1 7314 7315 7316 7317 7318 CRT 12 Not applicable MAP 2 identification error USA 13 Not applicable VC 1 identification error EU 14 Not applicable DVD identification error Due to system constraints the error 2 code indication for 14 and 20 is different So the error Horizontal Protection error 2 code is as follows e 14 error code 2 and 10 20 error code 5 and 10 EM L03 6L CA Service Modes Error Codes and Fault Finding 5 6 The Blinking LED Procedure Via this procedure you can make the contents of the error buffer visible via the front LED This is especially useful when there is no picture When the SDAM is entered the LED will blink the contents of
25. connection on the set The reading should be between 4 5 Mohm and 12 Mohm 4 Switch off the set and remove the wire between the two pins of the Mains AC Power plug Check the cabinet for defects to prevent touching of any inner parts by the customer Maintenance Instructions We recommend a maintenance inspection carried out by qualified service personnel The interval 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 2 3 2 4 2 4 1 Perform the general repair instruction noted above 2 Clean the power supply and deflection circuitry on the chassis 3 Cleanthe picture tube panel and the neck of the picture tube Warnings e In order to prevent damage to ICs and transistors avoid all high voltage flashovers In order to prevent damage to the picture tube use the method shown in figure Discharge picture tube to discharge the picture tube Use a high voltage probe and a multi meter position Vpc Discharge until the meter reading is O V after approx 30 s E 06532 007 eps 250304 Figure 2 1 Discharge picture tube All ICs and many other s
26. contact the manufacturer of your soldering equipment In general use of solder paste within workshops should be avoided because paste is not easy to store and to handle e Use only adequate solder tools applicable for lead free soldering tin The solder tool must be able Toreach a solder tip temperature of at least 400 C stabilise the adjusted temperature at the solder tip Toexchange solder tips for different applications e Adjust your solder tool so that a temperature of around 360 380 is reached and stabilised at the solder joint Heating time of the solder joint should not exceed 4 sec Avoid temperatures above 400 C otherwise wear out of tips will increase drastically and flux fluid will be destroyed To avoid wear out of tips switch off unused equipment or reduce heat Mix of lead free soldering tin parts with leaded soldering tin parts is possible but PHILIPS recommends strongly to avoid mixed regimes If this cannot be avoided carefully clean the solder joint from old tin and re solder with new tin e Use only original spare parts listed in the Service Manuals Not listed standard material commodities has to be purchased at external companies e Special information for lead free BGA ICs these ICs will be delivered in so called dry packaging to protect the IC against moisture This packaging may only be opened shortly before it is used soldered Otherwise the body of the IC gets wet i
27. div V11 1V div DC 20ys div P5 100V div DC 5us div 2V div DC div Ti 200mV div AC 20ys div E 14560 019 eps 180304 Circuit Diagrams and PWB Layouts 16 7 Circuit Diagrams and PWB Layouts Mono Carrier Power Supply 1 2 3 4 5 6 7 8 9 10 11 dC 1501 F444 F10 SUPPLY uo 1515 7 503 1 1520 7 F504 69 1581C2 F505 C2 Item 14V 20V 2452F11 F506 02 cc 245 1 51086 2503 1000 1500 2500 3 F514 C6 1515 Y 2562 680P 470P 2501 B5 F524 A4 G5PA 1 2 12VDC 1 2453 2N2 2502C5 F525 B8 3456 5 47 2503 6 F540 010 F524 c 2505B2 F541D10 2507 C6 F542 09 2515C7 1503 2521E5 1504 85 2523 150505 DEGAUSSING COIL 2524F4 1506 E3 7 12 4 1504 5 2525 4 508 4 B F525 i 2526 F3 509 E5 1512 aoe 6500 RS Gh Se tA 2527 4 1514 F4 ovo 2528 64 1519 G7 2540 F9 520 G7 F502 F510 d 2541G9 1521G8 3510 LI ES 342v 2560 08 1522 09 1500 1501 2208 2 f A PFC5000 5000 0 100 2561 D9 523 F9 3509 DEIN 8 6502 6503 548 2562 09 1524 E9 a a A _ 9500 _ 2564 010 1525 F10 3502 1N5662 1531 RES 2580 B7 526 G10 A SDKVESOT00 A posee AX 4 1520 To 1004 of 5
28. in a short time by guiding you systematically through the repair procedures 2 ComPair allows very detailed diagnostics 2 level and is therefore capable of accurately indicating problem areas You do not have to know anything about IC commands yourself because ComPair takes care of this 3 ComPair speeds up the repair time since it can automatically communicate with the chassis when the microprocessor is working and all repair information is directly available When ComPair is installed together with the Force SearchMan electronic manual of the defective chassis schematics and PWBs are only a mouse click away Specifications ComPair consists of a Windows based fault finding program and an interface box between PC and the defective product The ComPair interface box is connected to the PC via a serial or RS 232 cable For this chassis the ComPair interface box and the TV communicate via a bi directional service cable via the service connector s The ComPair fault finding program is able to determine the problem of the defective television ComPair can gather diagnostic information in two ways e Automatically by communicating with the television ComPair can automatically read out the contents of the Service Modes Error Codes and Fault Finding L03 6L CA 5 LEN entire error buffer Diagnosis is done on I C UART level ComPair can access the I C UART bus of the television ComPair can send and receive IIC U
29. level SDAM menu 13 To ensure the GEOMETRY settings are saved Turn the television set off by using the POWER button on the remote control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn the television set on by using the POWER button on the remote control transmitter or the local keyboard The following alignments can be performed in the GEOMETRY sub menu Horizontal Alignments e Horizontal Shift HSH Select Horizontal Shift to centre the picture on the screen e Picture Width PW Aligns the width of the picture Vertical Alignments e Vertical slope VSL Aligns the picture so the proportions are the same at the top and bottom of the screen This alignment must be performed first before all other vertical alignments Turning SBL on will assist in performing this alignment e Vertical Amplitude VAM Aligns the height of the picture other vertical alignments are NOT compensated e Vertical S Correction VSC Aligns the vertical linearity so that the vertical intervals of the grid patterns are the same over the entire height of the screen e Vertical Shift VSH Aligns the vertical centre of the picture to the vertical centre of the CRT After performing this alignment it may be necessary to perform the VAM alignment again e Service blanking SBL Turns the blanking of the lower h
30. lt X 3903 1 7 7 AmpOutR Pos 3904 B4 MH 3905 C3 3906 C4 3907 E4 RES 3909 C4 Main_OutL F901 3903 2904 blon 2 5v1 B 365 gt iN F906 4921 A4 AmpOutL Neg e 1900 4922 C8 4923 B3 4924 B3 4925 C3 4927 9 6908 D3 6909 D3 AmpOutR Neg 7901 B6 CH2 12 5V1 7902 D6 C 9865 D8 9872 D8 9874 C9 me 11 STEREO OUTPUT p 5 906 10 _ 4922 F909 B10 F911 C10 711 912 10 2 F913 03 F914 02 1901 D3 3899 D 920 9872 1904 B9 um 1905 C8 VaudioB 35V xd 7901 ol5 7522 2 3902 AAA 2903 AL 11V4 A5 15K 1u0 4 5 1 4927 1 AmpOutL Pos 1904 3904 10K 2905 110 2951 820 1V4 8 CHIN SNORT EIS 3909 680K 3 10 5V1 9874 RES 1905 555 AmpOutR Pos 0V4 9 4925 RES 3905 1902 2906 1 Main OutR F903 e zw 100p 2948 100 ae 100p 2050 100p A5 FILAMENT B 3906 2907 1n0 2952 820p 3 J 3 3 3 i F3 10 16V 3911 AAA 100K 4 3 7902 7 23 6908 mmm 6909 1 145 VOLUME F914 gt e 3907 3K3 2909 3 7 10u MONO OUTPUT Stereo ANTS22 MULTIPLE BOARD 11NC 3139 1
31. not present For AP PAL chip MSP3465 is present OBx3 STEREO NICAM 2CS For EU and AP PAL chip MSP 3415 is not present For EU and PAL chip MSP 3415 is present OBx4 DELTA VOLUME Delta Volume Level is disabled or not applicable Delta Volume Level is enabled OBx5 ULTRA BASS Ultra Bass is disabled or not applicable Ultra Bass is enabled OBx6 VOLUME LIMITER Volume Limiter Level is disabled or not applicable Volume Limiter Level is enabled OBx7 SUR Incredible Surround feature is disabled Incredible Surround feature is enabled 5 PIP or CLOCK Feature is disabled or not applicable Feature is enabled OBx1 HOTEL MODE Hotel mode is disabled or not applicable Hotel mode is enabled OBx2 SVHS SVHS source is not available SVHS source is available OBx3 CVI CVI source is not available CVI source is available OBx4 Side Front AV3 source is not present Side Front AV3 source is present OBx5 AV2 AV2 source is not present AV2 source is present OBx6 AV1 AV1 source is not present AV1 source is present OBx7 NTSC PLAYBACK NTSC playback feature is not available NTSC playback feature is available 6 OBxO BASS TREBLE Feature is not available Feature is available OBx1 SMART TEXT Smart Text Mode and Favourite Page are disabled or not Smart Text Mode and Favourite Page are enabled applicable OBx2 SMART LOCK Child Lock and Lock Channel are disabled or not applicable for EU Child Lock and Lock Channel are enabled for EU OBx3 VCHIP LATAM amp NAFTA amp Feat
32. signal accompanying RGB signals To blank the video signal when it is going from the right side of the screen to the left side The video level is brought down below the black video level Filament of CRT Field Memory A memory chip that is capable of storing one or more TV picture fields or Frequency Modulation A technique that sends data as frequency variations of a carrier signal sync to the module Head phone Monochrome TV system Sound carrier distance is 6 0 MHz VHF and UHF band Inter IC bus also called Intermediate Frequency Inter IC bus also called Institutional TV LATin AMerica Light Emitting Diode A semiconductor diode that emits light when a current is passed through it Monochrome TV system Sound carrier distance is 6 5 MHz L is Band 1 L is all bands except for Band I Loudspeaker Metal Oxide Semiconductor Field Effect Transistor Monochrome TV system Sound carrier distance is 4 5 MHz 525 lines 60 Hz 625 lines 50 Hz Not Connected Near Instantaneous Companded Audio Multiplexing This is a digital sound system mainly used in Europe National Television Standard Committee Colour system mainly used in North America and Japan Colour carrier NTSC M N 3 579545 MHz NTSC 4 43 4 433619 MHz this is a VCR norm it is not transmitted off air Non Volatile Memory IC containing data such as alignment values preset stations Option Bit Open Circuit OPtion Byte On
33. table below for the correct Option Bytes per type number Bit OP1 OP2 OP3 OP4 OP5 OP6 OP7 value 0 1 OB10 OB20 OB30 40 OB50 OB60 70 1 2 OB11 OB21 OB31 OB41 OB51 OB61 OB71 2 4 12 OB22 OB32 OB42 0852 62 OB72 3 8 OB13 OB23 OB43 53 OB63 OB73 4 16 OB14 OB24 OB34 OB44 54 64 OB74 5 32 OB15 OB25 OB35 OB45 0855 OB65 OB75 6 64 OB16 OB26 OB36 OB46 56 OB66 76 7 128 OB17 OB27 OB37 OB47 OB57 OB67 OB77 Total Sum Sum Sum Sum Sum Sum Sum CL 36532044 037 eps 160603 Figure 8 3 Option Byte calculation Table 8 2 Options settings Type number OP1 2 OP4 OP5 OP6 14PT3336 78 16 71 65 64 1194 64 114 20PT3336 78 16 71 65 64 194 64 114 Option Bit Assignment Following are the option bit assignments for all LO3 software clusters Option bit description Alignments EN LEN Option Byte Option Bit Definition OP Assignment Bit 0 Bit 1 1 CHINA NTSC_ONLY Tuning is not for China set or NTSC only set or this option bitis Tuning is for China set or NTSC only set n
34. 1302 1 2 0 BAS321 lt 3302 301 avi 7308 4303 220R BF422 17 7514 F301 Tum GND CRT 4300 2v6 y BF423 N 5 1303 gt lt gt 2 4305 _ 7315 Eu 7 1300 e 1 x 4306 1 7307 16877 gt ram amp A308 RES ase glassy 8742 Blue 2 F311 6 3 1 gt lt 5 gt 81 cnr 7310 104V0 6316 10evo 1314 3301 122V0 umo E 6 F304 1304 pr Green 7 Lo F422 BAS321 1K5 8 F306 3306 1305 av2 7316 AN e BF423 5 gt lt BBB EH A F307 8 Red 1 mum 2V6 17000 1306 v 5 Red 2517 p 3305 120V0 5 is BF422 168V7 K 7 22 e 9 M MN AM M 19879 6317 109 0 m 3309 123V0 rund BAS321 1K5 10 907 i 3v3 7312 T gt lt 220R BF422 LEY Heater CRT 4302 HA 418 0 5 i 427 amo Heater i 1 Sch 4 4 CRT 12 Pin E GND Pini Pini amp t2 L vat Pin 6 Pin 5 SOCKET 6307 6301 Green Pin 9 Pin 6 mm E 2 Sy Pin 8 Pin 7 GND CRT 4307 RES 5 5 Red Pin 7 Pin8 21 955 8 9 SRBSCHIS Heater Pin 5 Pin 9 170V0 708 2 Heater Pin4 Pin 10 A be lll L a Blue Pin 3 Pin 11 308 2303 GND GND CRTGND CRT Y i 1 is 5 lt zur ND CRT1 8 ay FROM MAIN CHASSIS TO LOT GND_CRT LO6SP CRT MULTIPLE BOARD 11NC
35. 23 6168 AN7523 8PIN 5 PIN SINGLE CHASSIS 11NC 3139 123 6169 F FUNCTION 11NC 8239 125 1244 CELL 11NC 8239 125 1238 16560 017 eps 3139 123 6169 2 210706 1 2 3 4 5 6 7 8 9 10 11 Circuit Diagrams and PWB Layouts L03 6L 22 Mono Carrier Front I O Front Control Headphone 3 141 5 mwa FRONT IO FRONT CONTROL HEADPHONE A7 FRONT CINCH 1102 4 2 SET rei SY CVBS IN 3182 YELLOW B3B EH A NAE EAM OO 1 gt gt 5 5 1008 5 3 1101 31 1 ole 1100 11 Fie 55 245 WHITE 8 J 1 1 F182 3183 82 VE Tr T T T gt SAN L 6 180R 1103 i 1101 2 4 S 819 igs 85 810 i 1100 2 4 zj ATE 5594 185 2 A 3 B3B EH A RED F183 3185 1183 RIN 5 gt i Oe ts 150R R 9 1101 3 8 818 gL 8 lt zh aTe ATS 25 1 1 e gt gt F984 AmpOutR Pos gio io HEADPHONE SOCKET F986 1901 y v 8 AmpOutR 2983 3982 F985 1 c 5 A6 1982 3 6 gt _ gt e gt gt AmpOutL 6 Stereo 3139 123 6169 2
36. 3 E5 AF 6540 F8 V N I OJ tion in SERVICE MODE pic 1 Ni ormal Operation in 6560 D8 Standy Mode 6562 D9 4 HOT GROUND 656499 6580 B8 JL COLD GROUND 6581 E3 H s FUNCTION HINC 6900 125 1240 MULTIPLE BOARD 11 NC 3139 123 6168 7540 F9 SINGLE BOARD 11 NC 3139 123 6169 7580 87 16560 012 eps 3139 123 6169 2 9500 2 9501 2 1 2 3 4 5 6 7 8 9 10 11 47u Jg 2564 Ap 7 3507 100K E e 5515 3581 508 2561 jl 2m2 16V F541 4K7 SE 6581 1508 3549 220R 3543 1506 6523 3525 BAS316 6522 3542 1K5 6541 BZX384 C9V1 470n 2523 2526 3520 e 5 527 m 11 100n 3530 2K7 3582 2K7 1525 6540 UDZS 6V2 7515 1514 TCET1103 G 4 1 wi 3526 1RO 3527 0822 3545 1520 BZX384 C3V3 54 1 417 3546 4K7 1 Circuit Diagrams and PWB Layouts L03 6L Mono Carrier Deflection __2 10 11 Hflybk DEFLECTION Line Deflection 1425
37. 44 4 FILAMENT 4 3522 Gad FILAMENT EE lt owe 3581 7540 6540 voRIVe Jo 6463 6462 REFERENCE CIRCUIT ass Mess I 3475 TCET1103 AW gt FRAME OUT EY 3 2 43V3A STANDBY CIRCUIT m l 1 1 E HOT GROUND COLD GROUND und c READ EM RE Gi ee Man pp LM ey VWDEOPROCESSING 0 12 BUS INTERCONNECTION DIAGRAM 5 M M M oM M oM M M s e gt gt 5 V VIDEO PROCESSING EX tuner IF BTSC STEREO 3494 3 3 3 3V DECODER 7493 economic d VT supply 1 3 313 VT supply A AN 6001 Soa 3602 3601 Vaudio 4233 Swe SDA 4491 6491 VT Supply A AW T EDT PROCESSOR MEM jp oc PART OF E H 2 auio processine PROCESSOR oe 2 8 5861 TDA93XX gt oed mm gt 2254 me 41 7861 E 45V Le a ae Bu 3 AUDIO AMPLIFIER A
38. 441 1000 TUNER C S is SN G 16560 024 eps 180706 Figure 8 1 Top view mono carrier Vg2 Adjustment 1 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 2 Use the MENU UP DOWN keys to highlight the WHITE TONE sub menu 3 Press the MENU LEFT RIGHT key to enter the WHITE TONE sub menu 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Alignments L03 6L CA ES LIE In the WHITE TONE sub menu press the MENU UP DOWN keys to select NORMAL RED NORMAL GREEN or NORMAL BLUE Use the MENU LEFT RIGHT keys to set the values of NORMAL RED NORMAL GREEN and NORMAL BLUE to 40 Press the MENU button twice to enter the normal user menu In the normal user menu use the MENU UP DOWN keys to highlight the PICTURE sub menu if necessary Press the MENU LEFT RIGHT keys to enter the PICTURE sub menu Use the MENU UP DOWN keys to select CONTRAST Be sure to record the current value of CONTRAST Use the MENU LEFT RIGHT keys to set the value of CONTRAST to 0 Use the MENU UP DOWN keys to select BRIGHTNESS Be sure to record the current value of BRIGHTNESS Use the MENU LEFT RIGHT keys to set the value of BRIGHTNESS to minimum OSD just visible in a dark
39. 82 A4 B3 5001 C4 B4 5002 D4 A3 5003 2 5201 4 4 2507 4 9501 m m m mm T4E 250V T4E 250V 5401 5402 5421 5441 5482 5497 5499 5500 4 1531 D2 D2 D3 D1 B4 A2 A3 A2 5501 5509 5515 5520 5560 5561 5562 5563 A2 B2 B1 C2 B2 B2 B2 c2 5601 5602 5603 5604 5605 5861 5862 6001 B3 B3 B3 B2 4 04 6181 6422 6444 6446 6447 6448 6453 6461 4 03 02 01 02 03 C3 D1 6462 6463 6500 6501 6502 6503 6521 6560 01 01 1 1 1 1 C1 B2 6562 6581 6625 6692 6695 6909 7200 7421 16560 019 eps 210706 B2 B1 B3 A2 A1 4 B4 7440 7463 7464 7465 7493 7494 7496 7515 7520 7641 7901 7902 9001 9002 9003 9005 9200 9203 9402 9403 9404 9405 9406 9407 9408 9410 9411 9412 9421 9422 9424 9441 9444 9445 9446 9448 9449 9452 9463 9464 9465 9471 9473 9475 9476 9478 9479 9481 9490 9494 9495 9496 9497 9498 9499 9500 9501 9509 9522 9523 9539 9560 9561 9562 9564 9569 9582 9604 9605 9606 9607 9608 9612 9617 9618 9624 9625 9629 9641 9642 9643 9663 9665 9681 9682 9693 9694 9695 9862 9865 9872 9874 9875 9883 9901 9902 9903 9904 9905 9906 9907 9982 9983 C3 C3 D3 D3 A3 4 B3 C1 B1 B3 4 4 04 C4 C4 C4 B4 4
40. 90004 ComPair interface extension cable 3139 131 03791 By a combination of automatic diagnostics and an interactive e ComPair UART interface cable 3122 785 90630 question answer procedure ComPair will enable you to find most problems in a fast and effective way ComPair order codes US e ComPair Software ST4191 How to Connect e ComPair Interface Box 4822 727 21631 This is described in the chassis fault finding database in Adapter T405 ND ComPair e ComPair Quick Start Guide ST4190 e ComPair interface extension cable 3139 131 03791 e ComPair UART interface cable 3122 785 90630 TO 122 SERVICE CONNECTOR UART SERVICE CONNECTOR Note If you encounter any problems contact your local support desk 5 5 Error Codes In case of non intermittent faults clear the error buffer before you begin the repair These to ensure that old error codes are no longer present 5 9 VCR Power 2 9V DC E 06532 021 eps 180804 If possible check the entire contents of the error buffer In some situations an error code is only the result of another error code and not the actual cause a fault in the protection detection circuitry can also lead to a protection Figure 5 2 ComPair interface connection Table 5 3 Error Code Table ERROR Device Error description Check item Diagram 0 Not applicable No Error 1 Not applicable
41. ART commands to the microcontroller of the television In this way it is possible for ComPair to communicate read and write to devices on the I C UART buses of the TV set Manually by asking questions to you Automatic diagnosis is only possible if the microcontroller of the television is working correctly and only to a certain extent When this is not the case ComPair will guide you through the fault finding tree by asking you questions e g Does the screen give a picture Click on the correct answer YES showing you examples e g Measure test point 17 and click on the correct oscillogram you see on the oscilloscope You can answer by clicking on a link e g text or a waveform picture that will bring you to the next step in the fault finding process How to Order ComPair order codes EU AP LATAM Starter kit ComPair32 SearchMan32 software and ComPair interface excl transformer 3122 785 90450 ComPair interface excl transformer 4822 727 21631 Starter kit ComPair32 software registration version 3122 785 60040 Starter kit SearchMan32 software 3122 785 60050 ComPair32 CD update 3122 785 60070 year 2002 3122 785 60110 year 2003 onwards SearchMan32 CD update 3122 785 60080 year 2002 3122 785 60120 year 2003 3122 785 60130 year 2004 ComPair firmware upgrade IC 3122 785 90510 Transformer non UK 4822 727 21632 Transformer UK 4822 727 21633 ComPair interface cable 3122 785
42. Colour Television Chassis 03 61 Seres CA Service Service E_14560_000 eps 260204 ervice Manua Contents Page 1 Technical Specifications Connections and Chassis Overview2 2 Safety Instructions Warnings and Notes 4 3 Directions for Use 7 4 Mechanical Instructions 8 5 Service Modes Error Codes and Fault Finding 9 6 Block Diagrams Test Point Overviews and Waveforms Block Diagram 13 I2C and Supply Voltage Overview 14 Testpoint Overview Mono Carrier and CRT Panel 15 7 Circuit Diagrams and PWB Layouts Diagram PWB Mono Carrier Power Supply A1 16 23 24 Mono Carrier Deflection A2 17 23 24 Mono Carrier Tuner IF A3 18 23 24 Mono Carrier Video Processing A4 19 23 24 Mono Carrier Audio BTSC Stereo Decoder A5 20 23 24 Mono Carrier Audio Amplifier Mono Sound Processing A6 21 23 24 Mono Carrier Front I O Front Control Headphone A7 22 23 24 CRT Panel B1 25 26 8 Alignments 27 9 Circuit Descriptions List of Abbreviations and IC Data Sheets34 Abbreviation List 36 10 Spare Parts List 37 11 Revision List 37 Copyright 2006 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in retrieval system or transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of Philips Published by WS 0667 BG CD Customer Service Printed in the Netherlands Subje
43. ED G_16560_010 eps 240706 Figure 9 3 Power Supply working in Bottom skip Quasi resonant mode The bottom skip is operated under the absolute condition of less than 52 When the load becomes heavier and the drain current increases to make greater than 52 the operation is shifted to the quasi resonant mode and the reference voltage is automatically changed to 52 Voce is the OCP BD pin voltage at the falling edge of the MOSFET gate voltage As described above the reference voltage for bottom skip operation 1 and 52 has hysteresis to make a stable operation shift as shown in figure below 9 2 6 Burst Operation CURSORS mode Time tupe Absolute ReFerence cursor Track On DiFFerence cursor 1 55 5 3 0 692 V STOPPED G_16560_011 eps 240706 Figure 9 4 Power Supply working in Burst mode During burst mode the signal STD_CON is pulled low by the UOC and the emitter current of 7515 is increased which caused the IC to go into low load protection and auto burst mode In the burst mode the value of Vp and Vay is lowered to 65V and 6V respectively Vec start during burst mode is 11 2V and is 9 7V This is different from normal start up where Vec start 15 18 2V and is 9 6V LEM 03 61 Circuit Descrip
44. F3 2465 F5 2470 F5 2471 B1 2473 C7 3402 D5 3403 D4 3404 D4 3405 D4 3410 C9 3421 C2 3422 A3 3423 C2 3424 B1 3425 C1 3426 B3 3428 B3 3430 C2 3432 C2 3439 D8 3440 D8 3441 C8 3442 D8 3443 D7 3444 D7 3445 D7 3446 3447 C8 3448 E7 3449 C8 3450 C9 3451 C9 3455 C10 3457 C8 3459 D8 3460 D9 3461 F1 3462 G2 3463 F2 3464 G3 3465 G2 3466 G3 3468 F4 3470 F4 3471 F5 3472 G5 3473 H5 3474 H5 3475 F6 3476 F6 3478 G5 4401 D4 5401 E5 5402 E4 5421 C3 5441 B5 6421 D4 6422 A4 6423 C1 6424 F2 6425 F3 6426 B2 6444 D7 6445 C7 6446 D7 6447 D7 6448 D7 6451 C9 6452 D9 6453 D8 6460 F3 6461 F6 6462 E5 6463 6464 F4 7421 B3 7422 B2 7423 C3 7440 C8 7461 F2 7462 F3 7463 G4 7464 E4 7465 G5 7466 F4 9402 E4 9403 C9 2404 05 2405 5 2406 5 2407 5 2422 D2 2424 B2 2425 B3 2426 B3 2427 B4 2428 B4 2429 C2 2443 C10 2446 09 2448 D9 2449 9 2450 E8 2461 G6 2462 G6 2463 06 2464 07 1424 C2 1425 A2 1426 B2 1427 B3 1428 C3 1430 C2 1431 D4 1432 F1 1434 G2 1436 G3 1437 E3 1438 E4 1439 F4 1440 F4 1441 5 1442 F5 1443 F5 1444 1445 C8 1446 C8 1447 C8 1448 C9 1449 C9 1450 C9 1451 C9 1452 D9 1453 E10 1454 E10 1455 E10 1456 E10 Circuit Diagrams and PWB Layouts L03 6L 18 Mono Carrier Tuner IF 1 2 3 4 5 6 7 8 5 VTSupply F006 goa
45. GRAM gt ni HOR BOW 11111 PEDE 110204 Figure 8 4 Geometry alignments 1 Connect the RF output of a video pattern generator to the antenna input 2 Input a crosshatch test pattern to the television set 3 Setthe amplitude of the video pattern generator to at least 1 mV and set the frequency to 475 25 MHz PAL SECAM or 61 25 MHz NTSC 4 Press the SMART PICTURE button on the remote control transmitter repeatedly to choose PERSONAL or MOVIES picture mode 5 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 6 Use the MENU UP DOWN keys to highlight the GEOMETRY sub menu 7 Press the MENU LEFT RIGHT keys to enter the GEOMETRY sub menu 8 Use the MENU UP DOWN keys to highlight either the HORIZONTAL sub menu or the VERTICAL sub menu 9 Press the MENU LEFT RIGHT keys to enter either the HORIZONTAL sub menu or the VERTICAL sub menu 10 Use the MENU UP DOWN keys to select items in the HORIZONTAL sub menu or the VERTICAL sub menu 11 Use the MENU LEFT RIGHT keys to adjust the values of items in the HORIZONTAL and VERTICAL sub menus 12 When all desired changes to the HORIZONTAL and VERTICAL sub menu values are made press the MENU button twice to return to the top
46. LY gi s ale a8 8 8 s 8 5 9 S iB 3211G3 F646 C4 8 PN i DE vm S 88 a 85 3231 F4 F647 C4 5 A 5 e 8 8 amp lg 21 323266 F648 G4 idi 3481 18K 8 3201 1601 8 amp T3 9 cien Es p c u 2k7 B BIEN 5604 3481 2 1603 S8 5 gles EAN 88 Et 9 8 3483 G2 1604 F3 at 88 8 3485 C6 1605 8119 L 3486 6 1606 G2 L L 5 L L A 2 8 7 3487 G6 1607 22 M 1 1622 3488 6 _ 1608 RED 545 e 3489 G6 1609 B7 1 n 5 5 229 Sila GREEN A 8452 0 3490 C6 1610 F2 22 S74 22 BUE A 5 349187 1611 4 F606 4 erc MULTIPLE BOARD 11NC 3139 123 6168 3492 B7 612 65 3208 1606 2209 5 F648 3624 o 3493 8 613 5 BK 58 SINGLE BOARD 11 3139 123 6169 3494B9 1614 5 4708 220 1300 3495 B9 1615 A5 f CRT PANEL a FUNCTION 11NC 8239 125 1242 8 5 9 amp AB lg z CELL 11NC 8289 125 1237 3496 A10 1616 B8 DN 1 eps 3497 A10 1617 B7 L 3498 C7 1618 E6 L 3 I 349987 1619 5 eo 3601 F6 9 E T 3602 F6 a 22 lt Ma 5 8 id 3603 B5 c SE Bl 3 g 8 8B g 3604 Fe AA A A A V V VV H 36 A yyy Be a lt lt ale 5 3 z z X ggj 3618 F6 3619 C4 G 16560 015 eps 3620 C4 3139 123 6169 2 210706 1 2 3 4 5 6 7 8 9 10 11 3634
47. UOC Special Cluster name UOC type Diversity Features LO6SP LO36LM x y TDA9370 55 Mono ROM Size Abbreviations in Software name U Nafta M Mono N Stereo Service Default Alignment Mode SDAM Purpose e change option settings e create a predefined setting to get the same measurement results as given in this manual e display clear the error code buffer e To override SW protections e To perform alignments start the blinking LED procedure Specifications Table 5 2 SDM default settings Default Region Freq MHz system Europe AP PAL Multi 475 25 PAL B G NAFTA AP NTSC LATAM 61 25 ch 3 NTSC M All picture settings at 50 brightness colour contrast hue e Bass treble and balance at 50 volume at 25 e Allservice unfriendly modes if present are disabled like Sleep timer Child parental lock Blue mute Hotel hospitality mode Auto switch off when no IDENT video signal is received for 15 minutes Skip blank of non favourite presets channels Auto store of personal presets Auto user menu time out e Operation hours counter e Software version Option settings Error buffer reading and erasing e Software alignments How to enter SDAM Use one of the following methods e Use a standard customer RC transmitter and key in the code 062596 directly followed by th
48. alf of the screen on or off to be used in combination with the vertical slope alignment Methods of Adjustment Vertical Amplitude and Position 1 Select SERVICE BLANKING SBL and set it to 1 The lower half of the picture will be blanked 2 Press the MENU UP DOWN buttons to select VERTICAL SLOPE VSL 3 Align VSL to start the blanking exactly at the horizontal white line at the centre of the test circle align the bottom of the screen so that castellations just disappear 4 Pressthe MENU UP DOWN buttons to select SBL and set it back to O The full picture reappears 5 Select VERTICAL AMPLITUDE VAM and align the picture height to approximately 13 0 13 1 blocks align the top of the screen so that castellations just disappear 6 Select VERTICAL SHIFT VSH and align for vertical centring of the picture on the screen 7 Repeatthe last two steps if necessary Horizontal Phase 1 Set PW to 0 2 Select Horizontal Shift HSH to centre the picture on the Screen Horizontal and Vertical Shift Offset for NTSC TriNorma and PAL chassis 1 Align the set for VSH and HSH according to above mentioned procedures with a PAL system signal 2 Change the signal to NTSC system and adjust HORIZONTAL SHIFT OFFSET H60 and VERTICAL SHIFT OFFSET V60 to centre the picture on the screen 3 Repeat if necessary The table below lists the default GEOMETRY values for the different television sets Table 8 3 Default geo
49. ckets 2 Re place the strain relief of the AC power cord into the cabinet 3 Check whether all cables are replaced in their original position 5 1 5 2 5 2 1 Service Modes Error Codes and Fault Finding L03 6L CA 5 9 Service Modes Error Codes and Fault Finding Index of this chapter 5 1 Test Points 5 2 Service Modes 5 3 Problems and Solving Tips 5 4 Service Tools 5 5 Error Codes 5 6 The Blinking LED Procedure 5 7 Protections 5 8 Repair Tips Test Points This chassis is equipped with test points in the service printing In the schematics test points are identified with a rectangle box around Fxxx or Ixxx On the PCB test points are specifically mentioned in the service manual as half moons with a dot in the centre Perform measurements under the following conditions e Service Default Alignment Mode Video colour bar signal e Audio kHz left 1 kHz right Service Modes Service Default Alignment Mode SDAM offers several features for the service technician There is also the option of using ComPair a hardware interface between a computer see requirements below and the TV chassis It offers the ability of structured trouble shooting test pattern generation error code reading software version read out and software upgrading Minimum Requirements a Pentium Processor Windows 95 98 and a CD ROM drive see also paragraph ComPair Table 5 1 SW Cluster SW Software
50. control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power the television set by using the POWER button on the remote control transmitter or the local keyboard SL Slicing Level This adjustment sets the sync slicing level for non standard signals You must turn it on to have no picture instability in premium decoded cable channels e OFF slicing level dependent on noise level fixed slicing level of 70 To adjust SL 1 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 2 Use the MENU UP DOWN keys to highlight the TUNER sub menu 3 Press the MENU LEFT RIGHT keys to enter the TUNER sub menu 4 Use the MENU UP DOWN keys to select SL 5 Use the MENU LEFT RIGHT keys to toggle SL Off and On 6 Press the MENU button to return to the top level SDAM menu 7 ensure the SL setting is saved the television set by using the POWER button on the remote control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power the television set on by using the POWER button on the remote control transmitter
51. ct to modification EN 3122 785 16560 o PHILIPS EN2 EM LO3 6L Technical Specifications Connections and Chassis Overview 1 Technical Specifications Connections and Chassis Overview Index of this chapter 1 2 1 1 Technical Specifications 1 2 Connection Overview 1 3 Chassis Overview Note Figures below can deviate slightly from the actual situation due to the different set executions 1 2 1 1 1 Technical Specifications 1 1 1 Vision Display type CRT DV FSQ Screen size 14 36 cm 4 3 20 51 4 3 Tuning system PLL TV Colour systems NTSC M N PALM Video playback NTSC M N 3 58 4 43 PAL B G Channel selections 181 presets Full Cable 1 1 2 Sound Sound systems FM mono 122 BTSC with SAP Maximum power 5 1x3 1 1 3 Miscellaneous Power supply Mains voltage Vac 100 250 Mains frequency Hz 50 60 Power consumption values are indicative Normal operation W Stand by W Dimensions WxHxD cm Weight kg Ambient conditions Temperature range Maximum humidity 36 14 46 20 1 36 2 x 35 0 x 35 4 14 49 1 x 44 9 x 46 3 20 8 7 14 15 6 20 5 to 440 9096 R H Connection Overview Note The following connector colour abbreviations are used acc to DIN IEC 757 Bk Black Bu Blue Gn Green Gy Grey Rd Red Whz White and Ye Yellow Front Connections VIDEO AUDIO 16560 006 eps 130706 Figure 1 1 Front connectio
52. e M menu button or Short jumper wires 9448 and pin 4 of 7200 on the mono carrier see Fig 8 1 and apply AC power Then press the power button remove the short after start up Caution Entering SDAM by shortening wires 9448 and pin 4 of 7200 will override the 8V protection Do this only for a short period When doing this the service technician must know exactly what he is doing as it could lead to damaging the set e Or via ComPair After entering SDAM the following screen is visible with S at the upper right side for recognition G_16560_007 eps 130706 Figure 5 1 SDAM menu example e LLLL This is the operation hours counter It counts the normal operation hours not the stand by hours AAABCD X Y This is the software identification of the main micro controller project name 103 2006 E Europe A Asia Pacific U NAFTA L LATAM the feature of software diversity N stereo non DBX S stereo dBx M mono D DVD language cluster number main software version number the sub software version number e S Indication of the actual mode S SDAM Service Default Alignment mode Error buffers Five errors possible e Option bytes Seven codes possible Clear Erase the contents of the error buffer Select the CLEAR menu item and press the CURSOR RIGHT key The content of the error buffer is cleared
53. e peak drain current of the internal MOSFET to match the load condition which is depending on the Vpa value The voltage on pin 6 is during overload and high during low load The emitter current of 7515 is converted into voltage inside the IC through a resistor During light load low beam the IC will Switch to bottom skip quasi resonant mode to reduce the switching losses of the internal MOSFET Circuit Descriptions List of Abbreviations and IC Data Sheets L03 6L CA EM LEM 9 24 Quasi resonant Operation to Bottom skip Operation 4 QUAS RESONANT 58 4 BOTTOM SKIP QUASI RESONANT DETECTION MOSFET GATE BOTTOM DETECT SIGNAL STATE SIGNAL 16560 009 eps 130706 Figure 9 2 Quasi resonant to bottom skip operation timing Quasi resonance is operated under the absolute condition of greater than 52 When the load becomes lighter and the drain current drops to make Vocp less than 52 the operation is shifted to the bottom skip mode and the reference voltage is automatically changed to 51 Figure above shows shift timing from quasi resonant operation to bottom skip operation 9 2 5 Bottom skip Operation to Quasi resonant Operation CURSORS mode Time Em Absolute ReFerence cursor Track On a D iFFerence 1 65 5 3 0 692 STOPP
54. emiconductors are susceptible to electrostatic discharges ESD Careless handling during repair can reduce life drastically Make sure that during repair you are connected with the same potential as the mass of the set by a wristband with resistance Keep components and tools also at this same potential Available ESD protection equipment Complete kit ESD3 small table mat wristband connection box extension cable and earth cable 4822 310 10671 Wristband tester 4822 344 13999 e careful during measurements in the high voltage section e Never replace modules or other components while the unit is switched on e When you align the set use plastic rather than metal tools This will prevent any short circuits and prevents circuits from becoming unstable Notes General e Measure the voltages and waveforms with regard to the chassis tuner ground 4 or hot ground 5 depending on the tested area of circuitry The voltages and waveforms shown in the diagrams are indicative Measure them in the Service Default Mode see chapter 5 with a colour bar signal and stereo sound L 3 kHz R 1 kHz unless stated otherwise and picture carrier at 475 25 MHz for PAL or 61 25 MHz for NTSC channel 3 e Where necessary measure the waveforms and voltages with and without aerial signal Measure the voltages in the power supply section both in normal operation D and in stand by 4 These values are indica
55. ent 2 Bottom Skip at low load min beam current 3 Auto Burst Mode with fixed frequency of 22kHz at stand by Introduction The IC 7520 STR W6753 is a Hybrid Integrated Circuit HIC with a built in power MOSFET and a control IC designed for quasi resonant type switch mode power supplies SMPS In normal operation the HIC provides high efficiency and low EMI noise with bottom skip quasi resonant operation during light output loads Low power consumption is also achieved by blocking intermittent oscillation during an auto burst mode and reduced even further in a manually triggered clamping an output voltage stand by mode 9 2 2 Start Up T i 10 8V 880mV Chil 9 2 3 2 00v 20 0 16560 001 eps 130706 Figure 9 1 Power Supply Start Up Power ON When the power supply is first switched on the mains elcap item 2503 will be charged to the mains supply voltage Vac x 1 4 At the same time capacitor 2525 will be charged by the bleeder resistor 3507 and clamping diode 6581 to Vec start of 18 2V Once V reaches 18 2V the IC will soft start by charging 2526 until it reaches 1V When 2526 reaches 1V the IC will start its normal switching The voltage of Vec is proportional to the emitter current of 7515 Vp is constant lemitter Will be constant and Vec will be constant Normal Operation During normal operation the IC is constantly adjusting th
56. erviews and Waveforms Block Diagram f WA FRONT MONO STEREO SY CVBS IN 7 5 AUDIO PROCESSING BTSC STEREO DECODER 7 2 AUDIO AMPLIFIER 7901 AN7522N STEREO 7861 7902 AN7523N MONO 1 TDA9853H Main Main OutL gt Main OutR INPUT SELECT Main OutR K TUNER IF VT SUPPLY 6909 1 3911 LM FILAMENT BTSC STEREO DECODER SPEAKER 2X5W 16 Ohm 2X3W 8 2X1W 8 VT SUPPLY A EW 6001 TUNER AGC f V Tir VIDEO PROCESSING 7200 7200 AUDIO CARRIER TDA93XX FILTER TDASSXX 5201 VIDEO AMPLIFIER PLL 7201 1201 40 vo 386 gt SWITCHING Y 3205 Y DELAY OSD Y AUDIO VIDEO SWITCH N C FILTERS 42 ComPair CONN A 1512 PAL NTSC DECODER SY CVBS IN VIDEO 7202 IDENT RGB MATRIX RGB INSERT BLACK STRETCH WHITE STRETCH RGB FRONT CONTROL 6692 TSOP1836 p 1 IR gt f V CONTROL LOCAL KEYBOARD gt lt KEYBOARD CHANNEL VOLUME POWER USA only CONTROL OSD TEXT CC INSERT BLUE STRETCH WHITE P ADJ
57. his date on the third digit in the serial number example AG2B0335000001 indicates the number of the alternative BOM Bill of Materials used for producing the specific model of TV set It is possible that the same TV model on the market is produced with e g two different types of displays coming from two different O E M s By looking at the third digit of the serial number the service technician can see if there is more than one type of B O M used in the production of the TV set he is working with He can then consult the At Your Service Web site where he can type in the Commercial Type Version Number of the TV set e g 28PW9515 12 after which a screen will appear that gives information about the number of alternative B O M s used If the third digit of the serial number contains the number 1 example AG1B033500001 then there is only one B O M version of the TV set on the market If the third digit is a 2 example AG2B0335000001 then there are two different B O M s Information about this is important for ordering the correct spare parts For the third digit the numbers 1 9 and the characters A Z can be used so in total 9 plus 26 35 different B O M s can be indicated by the third digit of the serial number Practical Service Precautions makes sense to avoid exposure to electrical shock While some sources are expected to have a possible dangerous impact others of quite high potential are of limited current a
58. ise Reduction NR is disabled or not applicable Noise Reduction NR is enabled OBx5 CHANNEL NAMING Name FM Channel is disabled or not applicable Name FM Channel is enabled OBx6 SMART PICTURE Smart Picture is disabled or not applicable Smart Picture is enabled OBx7 SMART SOUND Smart Sound is disabled or not applicable Smart Sound is enabled 3 AVL AVL is disabled or not applicable AVL is enabled OBx1 WSSB for EU or HOME CINEMA WSSB is disabled or not applicable WSSB is enabled for AP OBx2 WIDE SCREEN Software is used for 4 3 set or not applicable Software is used for 16 9 set OBx3 Virtual Dolby OBx4 MSP34X5 VOL CTRL Not applicable applicable OBx5 COMPRESS 16 9 COMPRESS 16 9 selection is not applicable Item should not be in COMPRESS 16 9 selection is applicable Item should not be in the the FORMAT menu list FORMAT menu list OBx6 EXPAND 4 3 Expand 4 3 selection is not applicable Item should not be in the Expand 4 3 selection is applicable Item should be in the FORMAT FORMAT menu list menu list OBx7 EW FUNCTION EW function is disabled In this case only Expand 4 3 is allowed EW function is enabled In this case both Expand 4 3 and Compress 16 9 is not applicable Compress 16 9 are applicable 4 OBxO STEREO NON DBX For AP NTSC chip TDA 9853 is not present For AP NTSC chip TDA 9853 is present OBx1 STEREO DBX For AP NTSC chip MSP 3445 is not present For AP NTSC chip MSP 3445 is present OBx2 STEREO PB For AP PAL chip MSP3465 is
59. metry values Alignment Description 14 20 PW Picture Width 0 0 HSH Horizontal Shift 27 27 VSL Vertical Slope 35 35 VAM Vertical Amplitude 35 35 VSC Vertical S Correction 23 23 VSH Vertical Shift 40 40 H60 Horizontal Shift Offset NTSC 7 7 V60 Vertical Shift Offset NTSC 1 1 Alignments EN LEN LEM EMI 103 61 Circuit Descriptions List of Abbreviations and IC Data Sheets 9 9 1 9 2 9 2 1 Circuit Descriptions List of Abbreviations and IC Data Sheets Index of this chapter 9 1 Introduction 9 2 Power Supply 9 3 Abbreviation List Notes e Only new circuits compared to the 103 2 chassis described in this chapter For the other circuit descriptions see the L03 2L AA manual Figures can deviate slightly from the actual situation due to different set executions e good understanding of the following circuit descriptions please use the block diagram in chapter 6 and or the electrical diagrams in chapter 7 Where necessary you will find a separate drawing for clarification Introduction Basically all schematic diagrams for both LO3 2L amp 1 03 61 are 95 the same except the A1 power supply The control IC is replaced by a Sanken IC Quasi Resonant Switching Regulator Power Supply The topology of the power supply is fly back or buck boost It is able to operate in 3 modes namely 1 Quasi Resonant at high load full beam curr
60. nd are sometimes held in less regard A Always respect voltages While some may not be dangerous in themselves they can cause unexpected reactions that are best avoided Before reaching into a powered TV set it is best to test the high voltage insulation It is easy to do and is a good service precaution Directions for Use You can download this information from the following websites http www philips com support http www p4c philips com Directions for Use 03 61 EN 03 61 Mechanical Instructions 4 Mechanical Instructions Index of this chapter 4 3 4 1 Rear Cover Removal 4 2 Service Position Main Panel 4 3 Rear Cover Mounting 4 4 Rear Cover Removal 1 Remove all fixation screws of the rear cover 2 Now pull the rear cover in backward direction to remove it 4 2 Service Position Main Panel Disconnect the strain relief of the AC power cord 2 Remove the main panel by pushing the two centre clips outward 1 At the same time pull the panel away from the CRT 2 3 If necessary disconnect the degaussing coil by removing the cable from the red connector 1512 4 Move the panel somewhat to the left and flip it 90 degrees 3 with the components towards the CRT G 16560 008 eps 130706 Figure 4 1 Service Position Rear Cover Mounting Before you mount the rear cover perform the following checks 1 Check whether the mains cord is mounted correctly in its guiding bra
61. normal user menu use the MENU UP DOWN keys to highlight the PICTURE sub menu if necessary Press the MENU LEFT RIGHT keys to enter the PICTURE sub menu Use the MENU UP DOWN keys to select CONTRAST Use the MENU LEFT RIGHT keys to reset the value of CONTRAST to the original value Use the MENU UP DOWN keys to select BRIGHTNESS Use the MENU LEFT RIGHT keys to reset the value of BRIGHTNESS to the original value Press the MENU button twice to return to the top level SDAM menu Use the POWER button on the remote control transmitter or the POWER button on the television set to turn off the television set This will save the changes made in SDAM LIEN EN Alignments 8 2 2 8 3 8 3 1 Vcurorr E 06532 011 eps 110204 Figure 8 2 V cutoff Table 8 1 Vg2 alignment values Screen Size Cut off point V 14 135 4 20 140V 4V Focus Adjustment 1 Connect the RF output of a video pattern generator to the antenna input 2 Inputa circle or crosshatch test pattern to the television set 3 Set the BRIGHTNESS level to 100 before adjustment 4 Press the SMART PICTURE button on the remote control transmitter repeatedly to choose NATURAL or MOVIES picture mode 5 Adjust the FOCUS potentiometer see figure Top view family board until the vertical lines near the left and right sides of the screen and near the horizontal centre of the screen are at minimum width without visible haze S
62. ns to be updated Cinch Video CVBS In Audio In Ye Video CVBS 1 75 ohm DO Wh Audio 0 2 Vas 10 DO Rear Connections 75 Ohm ANT E_14560_015 eps 260204 Figure 1 2 Rear connections needs to be checked FM Ant 1 F type 75 ohm coax Technical Specifications Connections and Chassis Overview L03 6L CA E EN3 1 3 Chassis Overview CRT PANEL lt lt POWER SUPPLY DEFLECTION TUNER IF IF VIDEO PROCESSING CONTROL AND SYNC MONO CARRIER AUDIO BTSC STEREO DECODER AUDIO AMP MONO SOUND PROC FRONT FRONT CONTROL HEADPHONE gt E_14560_013 eps 240304 Figure 1 3 Chassis overview EM 103 61 Safety Instructions Warnings and Notes 2 2 1 2 2 Safety Instructions Warnings and Notes Index of this chapter 2 1 Safety Instructions 2 2 Maintenance Instructions 2 3 Warnings 2 4 Notes Safety Instructions Safety regulations require the following during a repair Connect the set to the Mains AC Power via an isolation transformer 800 VA Replace safety components indicated by the symbol only by components identical to the original ones Any other component substitution other than original type may increase risk of fire or electrical shock hazard Wear safety goggles when you replace the CRT Safety regulations require that after a repair the set must be returned in its original condition Pay in particular a
63. nside and during the heating time the structure of the IC will be destroyed due to high steam pressure inside the body If the packaging was opened before usage the IC has to be heated up for some hours around 90 C for drying think of ESD protection Do not re use BGAs at all e For sets produced before 1 1 2005 containing leaded soldering tin and components all needed spare parts will be available till the end of the service period For the repair of such sets nothing changes ENG 03 61 Safety Instructions Warnings and Notes 2 4 5 2 4 6 In case of doubt whether the board is lead free or not or with mixed technologies you can use the following method e Always use the highest temperature to solder when using 05 see also instructions below e De solder thoroughly clean solder joints to avoid mix of two alloys Caution For BGA ICs you must use the correct temperature profile which is coupled to the 12NC For an overview of these profiles visit the website www atyourservice ce philips com needs subscription but is not available for all regions You will find this and more technical information within the Magazine chapter Repair downloads For additional questions please contact your local repair help desk Alternative BOM identification In September 2003 Philips CE introduced a change in the way the serial number or production number see Figure 2 2 is composed From t
64. ntenna not connected Connect the antenna e channel pre set is stored at this program number Go to the INSTALL menu and store a proper channel at this program number e The tuner is faulty in this case the CODES line will contain error number 10 Check the tuner and replace repair if necessary Snowy picture and or unstable picture Ascrambled or decoded signal is received Black and white picture Increase the COLOR value when picture improves after you have pressed the Smart Picture button on the remote control The new Personal preference value is automatically stored Menu text not sharp enough Decrease the CONTRAST value when The picture improves after you have pressed the Smart Picture button on the remote control The new Personal preference value is automatically stored Sound Problems No sound or sound too loud after channel change switching on Increase decrease the VOLUME level Press the Smart Sound button repeatedly to access 4 different types of sound settings and choose your desired setting Service Tools ComPair Introduction ComPair Computer Aided Repair is a service tool for Philips Consumer Electronics products ComPair is a further development on the European DST service remote control which allows faster and more accurate diagnostics ComPair has three big advantages 1 ComPair helps you to quickly get an understanding on how to repair the chassis
65. ntrol transmitter to enter a new value for the selected option byte The value must be entered as a three digit value for example 4 would be entered as 0047 6 The selected value must be between 0 and 255 7 When all desired changes to the option bytes are made press the MENU button to return to the top level SDAM menu This will save changes to the option byte settings 8 To ensure the option byte changes take effect Turn the television set off by using the POWER button on the remote control transmitter or the local keyboard Disconnect the television set from AC power for at least ten seconds Reconnect the television set to AC power Turn the television set on by using the POWER button on the remote control transmitter or the local keyboard Leaving the OPTION submenu saves the changes in the Option Byte settings Some changes will only take effect after the set has been switched OFF and ON with the mains switch cold start How to Calculate the Value of an Option Byte Calculate an Option Byte value OP 1 OP 7 in the following way 1 Check the status of the single option bits OB are they enabled 1 or disabled 0 2 When an option bit is enabled 1 it represents a certain value see first column value between brackets in table below When an option bit is disabled its value is 0 3 The total value of an Option Byte is formed by the sum of its eight option bits See second
66. oftware Alignments and Settings The following options are performed in the Service Default Alignment Mode SDAM SDAM is described in the Service Modes Error Codes and Fault Finding section The following alignments are explained 1 OPTIONS 2 TUNER 3 WHITE TONE 4 GEOMETRY OPTIONS Options are used to control the presence or absence of certain features and hardware Note Each option byte controls several features of the television set therefore before changing option byte information it is important to record the current option byte values This ensures that the television features can be restored to the original settings if necessary How to Change an Option Byte An Option Byte represents a number of different options Changing these bytes directly makes it possible to set all options very fast All options are controlled via seven option bytes Select the option byte OP 1 OP 7 with the MENU UP DOWN keys and enter the new value 1 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 2 Usethe MENU UP DOWN keys to highlight the OPTIONS sub menu 3 Press the MENU LEFT or MENU RIGHT key to enter the OPTIONS sub menu 4 the OPTIONS sub menu press the MENU UP DOWN keys to select OP 1 through OP 7 5 Use the number keys on the remote co
67. or the local keyboard Alignments EN LEN 8 3 3 CL Cathode Drive Level Fixed value is 7 White Tone The values of the black cut off level can be adjusted in the WHITE TONE sub menu Normally no alignment is needed for WHITE and the given default values are used Default settings for NORMAL colour temperature 11500 K NORMAL RED 32 dec 20 hex NORMAL GREEN 32 dec 20 hex NORMAL BLUE 32 dec 20 hex To adjust NORMAL RED NORMAL GREEN and NORMAL BLUE 1 Connect the RF output of a video pattern generator e g 5418 to the antenna input 2 Setthe amplitude of the video pattern generator to at least 1 mV and set the frequency to 475 25 MHz PAL SECAM or 61 25 MHz NTSC 3 Input a 100 IRE white pattern to the television set 4 Activate SDAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 directly followed by the MENU button do not allow the display to time out between entries while keying the sequence 5 Usethe MENU UP DOWN keys to highlight the WHITE TONE sub menu 6 Press the MENU LEFT RIGHT keys to enter the WHITE TONE sub menu 7 Usethe MENU UP DOWN keys to select NORMAL RED NORMAL GREEN or NORMAL BLUE 8 Setthe Minolta CA100 colour analyser or equivalent in RGB mode and set all colour temperature settings to their default values 9 Place the colour sensor of the meter in the middle of the screen 10 Set the meter in
68. ot applicable OBx1 VIRGIN MODE Virgin mode is disabled or not applicable Virgin mode is enabled Plug and Play menu item will be displayed to perform installation at the initial start up of the TV when VIRGIN MODE is set to 1 After installation is finished this option bit will be automatically set to 0 OBx2 UK PNP UK s default Plug and Play setting is not available or not applicable UK s default Plug and Play setting is available When UK PNP and VIRGIN MODE are set to 1 at the initial setup LANGUAGE ENGLISH COUNTRY GREAT BRITAIN and after exiting from menu VIRGIN MODE will be set automatically to 0 while UK PNP remains 1 OBx3 ACI ACI feature is disabled or not applicable ACI feature is enabled OBx4 ATS EU or FINE TUNING Feature is disabled or not applicable Feature is enabled NAFTA or LANGUAGE MALAY AP OBx5 LNA Auto Picture Booster is not available or not applicable Auto Picture Booster is available OBx6 FM RADIO FM radio feature is disabled or not applicable FM radio feature is enabled OBx7 PHILIPS TUNER ALPS MASCO compatible tuner is in use Philips compatible tuner is in use 2 OBxO HUE Hue Tint Level is disabled or not applicable Hue Tint Level is enabled OBx1 COLOR TEMP Colour Temperature is disabled or not applicable Colour Temperature is enabled OBx2 CONTRAST PLUS Contrast is disabled not applicable Contrast is enabled OBx3 TILT Rotate Picture is disabled or not applicable Rotate Picture is enabled OBx4 NOISE REDUCTION No
69. p VCR WYSIWYR XTAL Y C Small Screen Switch Mode Power Supply STand BY Super Video Home System Software or Sub woofer of Switch Total Harmonic Distortion Video standard Combination of PAL N PAL M NTSC M Teletext TXT is a digital addition to analogue TV signals that contain textual and graphical information 25 rows x 40 columns The information is transmitted within the first 25 lines during the Vertical Blank Interval VBI Microprocessor Ultimate One Chip V sync Main supply voltage for the deflection stage mostly 141 V Violence chip Adds content filtering capabilities to NTSC video Video Cassette Recorder What You See Is What You Record record selection that follows main picture and sound Quartz crystal Y consists of luminance signal blanking level and sync C consists of chroma colour signal LEN EN 03 6 Revision List
70. replacing it with a new component If an LF BGA is removed from a PWB the solder balls of the component are deformed drastically so the removed LF BGA has to be discarded Device Removal As is the case with any component that is being removed it is essential when removing an LF BGA that the board tracks solder lands or surrounding components are not damaged To remove an LF BGA the board must be uniformly heated to a temperature close to the reflow soldering temperature A uniform temperature reduces the risk of warping the PWB To do this we recommend that the board is heated until it is certain that all the joints are molten Then carefully pull the component off the board with a vacuum nozzle For the appropriate temperature profiles see the IC data sheet Area Preparation When the component has been removed the vacant IC area must be cleaned before replacing the LF BGA Removing an IC often leaves varying amounts of solder on the mounting lands This excessive solder can be removed with either a solder sucker or solder wick The remaining flux can be removed with a brush and cleaning agent After the board is properly cleaned and inspected apply flux on the solder lands and on the connection balls of the LF BGA Note Do not apply solder paste as this has been shown to result in problems during re soldering Device Replacement The last step in the repair process is to solder the new component on the board Ideally
71. room Press the MENU button twice to return to the top level SDAM menu Press the OSD STATUS button to hide the SDAM on screen display S indication remains visible This to avoid interferences during the waveform measurements Connect the RF output of a video pattern generator to the antenna input and input a black picture test pattern to the television set Set the oscilloscope to 50 V div and the time base to 0 2 milliseconds external triggering on the positive vertical pulse with a 10 1 probe Ground the scope at the CRT panel and connect a 100 1 probe to one of the cathodes of the picture tube socket pin 7 Red pin 9 Green and pin 3 Blue see also schematic diagram B1 Measure the level of the black current measuring pulses These are the second line Red third line Green and fourth line Blue directly after the frame blanking see figure V out of Remark This chassis is using a TDA93XX UCC series These use two different measuring pulses at each of the R G and B outputs The above mentioned level applies to the pulse with the lowest level of each gun Select the cathode with the highest value for the alignment Adjust the Voutor of this gun with the SCREEN potentiometer see figure Top view family board on the LOT to the correct value see table Vg2 alignment values Press the OSD STATUS button to display the SDAM on screen display Press the MENU button to enter the normal user menu In the
72. ted by means of the appropriate symbols e The semiconductors indicated in the circuit diagram and in the parts lists are interchangeable per position with the 2 4 2 2 4 3 Safety Instructions Warnings and Notes L03 6L CA E 5 semiconductors in the unit irrespective of the type indication on these semiconductors e Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories Schematic Notes All resistor values are in ohms and the value multiplier is often used to indicate the decimal point location e g 2K2 indicates 2 2 kohm Resistor values with no multiplier may be indicated with either an E or an e g 220E 2208 indicates 220 ohm e All capacitor values are given in micro farads u x10 nano farads n x10 9 or pico farads p x102 e Capacitor values may also use the value multiplier as the decimal point indication e g 2p2 indicates 2 2 pF e asterisk indicates component usage varies Refer to the diversity tables for the correct values correct component values are listed in the Spare Parts List Therefore always check this list when there is any doubt Rework on BGA Ball Grid Array ICs General Although LF BGA assembly yields are very high there may still be a requirement for component rework By rework we mean the process of removing the component from the PWB and
73. the LF BGA should be aligned under a microscope or magnifying glass If this is not possible try to align the LF BGA with any board markers So as not to damage neighbouring components it may be necessary to reduce some temperatures and times More Information For more information on how to handle BGA devices visit this URL www atyourservice ce philips com needs subscription not available for all regions After login select Magazine then go to Repair downloads Here you will find Information on how to deal with BGA ICs 2 4 A Lead free Solder Philips CE is producing lead free sets PBF from 1 1 2005 onwards Identification The bottom line of a type plate gives a 14 digit serial number Digits 5 and 6 refer to the production year digits 7 and 8 refer to production week in example below it is 1991 week 18 32PF9968 10 MADE IN BELGIUM MODEL PHILIPS 128W OD NO AG 1A0617 000001 5 PR LU E 06532 024 eps 130606 Figure 2 2 Serial number example Regardless of the special lead free logo which is not always indicated one must treat all sets from this date onwards according to the rules as described below Figure 2 3 Lead free logo Due to lead free technology some rules have to be respected by the workshop during a repair e Use only lead free soldering tin Philips SAC305 with order code 0622 149 00106 If lead free solder paste is required please
74. tions List of Abbreviations and IC Data Sheets 9 3 Abbreviation List 2CS 2 Carrier Sound ACI Automatic Channel Installation algorithm that installs TV channels directly from a cable network by means of a predefined TXT page ADC Analogue to Digital Converter AFC Automatic Frequency Control control signal used to tune and lock to the correct frequency AFT Automatic Fine Tuning AGC Automatic Gain Control feedback signal to the tuner This is a circuit with a constant output amplitude regardless of the input AM Amplitude Modulation AP Asia Pacific AR Aspect Ratio 4 by 3 or 16 by 9 ATS Automatic Tuning System AV External Audio Video AVL Automatic Volume Level control BCL Beam Current Limiter B G Monochrome TV system Sound carrier distance is 5 5 MHz B VHF band G UHF band BTSC Broadcast Television Standard Committee Multiplex FM stereo sound System originating from the USA and used e g in LATAM and AP NTSC countries cc Closed Captioning This is a digital addition to analogue TV signals that contains textual information relevant to the TV signal For NTSC the information is transmitted with line 21 and 284 during the Vertical Blank Interval VBI ComPair Computer aided rePair A tool for diagnosing a TV through a PC controlled interface CRT Cathode Ray Tube or picture tube CSM Customer Service Mode CTI Colour Transient Improvement manipulation of the steepness of chroma transients CVBS
75. ttention to the following points General repair instruction as a strict precaution we advise you to re solder the solder connections through which the horizontal deflection current flows In particular this is valid for the Pins of the line output transformer LOT Fly back capacitor s S correction capacitor s Line output transistor Pins of the connector with wires to the deflection coil Other components through which the deflection current flows Note This re soldering is advised to prevent bad connections due to metal fatigue in solder connections and is therefore only necessary for television sets more than two years old Route the wire trees and EHT cable correctly and secure them with the mounted cable clamps Check the insulation of the Mains AC Power lead for external damage Check the strain relief of the Mains AC Power cord for proper function to prevent the cord from touching the CRT hot components or heat sinks Check the electrical DC resistance between the Mains AC Power plug and the secondary side only for sets that have a Mains AC Power isolated power supply 1 Unplug the Mains AC Power cord and connect a wire between the two pins of the Mains AC Power plug 2 Setthe Mains AC Power switch to the on position Keep the Mains AC Power cord unplugged 3 Measure the resistance value between the pins of the Mains AC Power plug and the metal shielding of the tuner or the aerial
76. ure is disabled Feature is enabled NAFTA TXT 1PG EU OBx4 WAKEUP CLOCK Wake up clock feature is disabled or not applicable Wake up clock feature is enabled OBx5 SMART CLOCK Smart Clock Using Teletext and Smart Clock Using PBS is Smart Clock Using Teletext and Smart Clock Using PBS is disabled or not applicable enabled For NAFTA menu item AUTOCHRON is present in the INSTALL submenu OBx6 SMART SURF Smart Surf feature is disabled or not applicable Smart Surf feature is enabled OBx7 PERSONAL ZAPPING Personal Zapping feature is disabled or not applicable Personal Zapping feature is enabled LIN EN Alignments MULTI STANDARD EUR SYSTEM LT 2 Option Byte Option Bit Definition Assignment Bit 0 Bit 1 7 OBx0 SOUND_SYSTEM_AP_3 OBx1 SOUND_SYSTEM_AP_2 70 71 These two option bits are allocated for LATAM WEST EU SYSTEM LT 1 System selection 00 NTSC M 01 NTSC M PAL M 10 NTSC M PAL M and PAL N 11 NTSC M PAL M PAL N and PAL BG OBx2 SOUND SYSTEM AP 1 OB70 0B71 0B72 These three option bits are allocated for AP PAL sound system selection 000 BG 001 BG DK 010 I DK 011 1 DK 100 1 DK M OBx3 COLOR SYSTEM AP This Auto PAL 4 43 NTSC 4 43 and NTSC 3 58 Auto PAL 4 43 NTSC 4 43 NTSC 3 58 and SECAM option bit is allocated for AP PAL colour system selection OBx4 SIGNAL STRENGTH DVD WAKEUP TIMER DVD COMBI 3D COMBFILTER NAFTA OBx5 LNA PP
77. ve Set is dead and makes no sound Check power supply IC 7520 Result voltage at pins 2 6 7 9 and 11 are about 180 V and pin 14 is 0 V The reason why the voltage on these pins is so high is because the output driver pin 11 has an open load That is why MOSFET 7521 is not able to Switch Reason feedback resistor 3523 is defective Caution be careful measuring on the gate of 7521 circuitry is very high ohmic and can easily be damaged e hiccup mode and shuts down after 8 s Blinking LED set in SDM mode indicates error 5 As it is unlikely that the POR and 8 protection happen at the same time measure the 8V If this voltage is missing check transistor 7491 and 7496 e Setis non stop in hiccup mode Set is in over current mode check the secondary sensing opto coupler 7515 and the Main Supply voltage Signal Stdby con must be logic low under normal operation conditions and goes to high 3 3 V under stand by and fault conditions Setturns on but without picture and sound The screen shows snow but OSD and other menus are okay Blinking LED procedure indicates error 11 so problem is expected in the tuner pos 1000 Check presence of supply voltages As Vlotaux 5V at pin 5 and 7 are okay VT supply at pin 9 is missing Conclusion resistor 3449 and 3450 are defective Block Diagrams Test Point Overviews and Waveforms L03 6L CA 6 Block Diagrams Test Point Ov
78. ving the AC power the set will return in SDAM when AC power is re applied The error buffer is not cleared 5 4 Problems and Solving Tips T Picture Problems Note Below described problems are all related to the TV settings The procedures to change the value or status of the different settings are described No colours noise in picture 1 Press the MENU button on the remote control 2 Select the INSTALLATION sub menu 3 Select and change the SYSTEM setting until picture and Sound are correct 4 Selectthe STORE menu item Colours not correct unstable picture 1 Press the MENU button on the remote control 2 Select the INSTALLATION sub menu 3 Select and change the SYSTEM setting until picture and Sound are correct 4 Selectthe STORE menu item Picture too dark or too bright Increase decrease the BRIGHTNESS and or the CONTRAST value when picture improves after you have pressed the Smart Picture button on the remote control The picture improves after you have switched on the Customer Service Mode The new Personal preference value is automatically stored White line around picture elements and text Decrease the SHARPNESS value when picture improves after you have pressed the Smart Picture button on the remote control The new Personal preference value is automatically stored Snowy picture e No or bad antenna signal Connect a proper antenna signal A
79. z TUNER AGC F001 3005 8 T gir gt Ps lt 4 VTS lt gt upply A 5V 3001 lt gt iu 4K7 Enie gt num pen 8 A 58 8 el zle Sx g 8 BSA 5 1001 n c c OFWG1984M EOM F003 1 5 VIF 1 4 1003 3003 a 2 4 EMEZ Sa SDA de d T gt a 3004 100R 5 AA SoL 3 1008 8 8 i s FOR COMPAIR ONLY 1001 1004 1520 FUNCTION 11NC 8239 125 0987 MULTIPLE BOARD 11 3139 123 6168 SINGLE CHASSIS 11 NC 3139 123 6169 31 39 123 61 69 2 G 1 Mus ed 1 2 3 4 5 6 7 8 1000 C4 1001 C7 1003 C2 1004 D5 2001 C2 2002 C3 2003 D4 2004 D4 2005 C6 2006 C2 2007 C6 3001 B3 3002 C3 3003 C3 3004 C3 3005 B2 5001 C6 5002 B5 5003 B5 6001 C6 9003 B5 F001 B2 F003 C6 F004 C6 2005 B6 2006 B5 1001 D5 Circuit Diagrams and PWB Layouts L03 6L 19 Mono Carrier Video Processing 1 2 3 4 5 6 7 8 9 10 11 1201 C1 3641 B11

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