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SERVICE MANUAL MODEL: 21F1 CHASSIS: NX56E-LA

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3. 64 11 Explode Diagram This manual is the latest at the time of printing and does not include the modification which may be made after the printing by the constant improvement of product 1 CAUTION Use of controls adjustments or procedures other than those specified herein may result in hazardous radiation exposure CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN The lighting flash with arrowhead symbol with an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance WARNING REDUCE RISK FIRE OR ELECTRIC SHOCK DO EXPOSE THIS APPLIANCE TO R
4. M O SIAL WHOS dd LONNVO fl OL 2180011 1 1 O saad dd HOS Q 6 8 SIN 1 K HI CIHILIPUHHd m 0 64 1 series Versatile signal processor for CRT TV applications Rev 0 11 25 January 2007 Product datasheet MI 1 General description The UOC TOP 64 series is a very flexible concept which offers attractive solutions for TV receivers with CRTs This new concept offers a complete range of products with the right price level to cover TV receivers from basic mono 14 inch sets up to the best featured large and or wide screen AV stereo TV sets The UOC TOP 64 concept can also be used as front end for 2f4 and LCD TV receivers The 64 concept is mounted in a SDIP64 package and is split up in the following ranges e 110 AV stereo concept It contains a video processor with many features and it has an analog audio control circuit with balance treble bass and loudness control Two different micro processor are available for this concept one with OSD and Closed Captioning or Teletext and Closed Captioning features UOCTOP 1PTXT version the other with extended OSD features UOCTOP version The block diagram is given in Figure 1 AV 90 concept This concept is nearly i
5. 50us 20us R4 4 2 1 4 Application Hints Gain is defined as in the previous case p 2 R4 Rg Choose R4 then either or R3 For good output centering must fulfill the following equation C 6 R R or u 242 CER 7 Ra Ry 2 R4 R5 2xR3 STMicroelectronics Confidential 7 14 Application Hints STV8172A Cs performs an integration of the parabolic signal on C therefore the amount of S correction is set by the combination of C and 4 3 Application with Differential output Drivers Certain driver ICs provide the ramp signal in differential form as two current sources i and with opposite variations Figure 7 Using a Differential output Driver 1 O Vs Output 4700 Fzz Y Cr 47 to 1001 Voltage 6 3 2 Differential output 1 1 Flyback Output driver IC Generator Current E Power 4 Amplifier ay IE 7 2 R7 Ww 5 e e 1 3 Thermal Yok 77 Mad rip j VEE O e 4700 l L 0 1uF 21 R Ry Ly Ly recommended sing lt Rd lt 35g Let us set some definitions is t
6. TCL THOMSON Electronics R amp D Center Shen Zhen Lab C Oolour curve OSD menu Default Value Description Remark COLO 0 Set the minimal colour when user Colour 0 Set the value as COL50 32 Set the colour when user Color 50 practical COL100 50 Set the maximal colour when user Colour 0 requirement D Volume curve OSD menu Default Value Description Remark VOLO 0 Set the minimal volume when user Volume 0 Set the value as VOL10 38 Set the minimal volume when user Volume 10 practical VOL10 65 Set the minimal volume when user Volume 30 requirement VOL50 71 Set the volume when user Volume 50 VOL80 77 Set the maximal volume when user Volume 80 VOL 100 81 Set the maximal volume when user Volume 100 2 Enter P Mode press key 5 to select page 5 Set the corresponding item to require value See below table 3 6 2 for detailed description Table 3 6 2 Producing parameter setup and option page 5 OSD menu Default Value Description Remark 0 tracking only on vertical Track Mode 0 EHT tracking mode 1 tracking on vertical and EW VX Normal 25 4 3 mode vertical zoom Don t adjust use default VX Compr 0 16 9 mode vertical zoom Don t adjust use default HBL 1 blanking Switch 0 OFF 1 ON WBF 5 Wide start Don t adjust use default WBR 8 Wide blanking end Don t adjust use default G
7. ANIT AVTAG GONVSSVH 21 Y AV IHG 0 IVIL ANNOS 114 9317 00 41 NOISIA 1 103108 gt 7 WV 1011100 GE HINOL JIAQYIOA LAdLNO 01001 ST SISVHdWddd 114 ANNOS y YAXIN 5 101 101007130 NI HONIO L3VOS Ty 1010 HONIO L3VOS S T JNVOHS Y ILOO0WHGWAALOOISS TAV gt LNODDV dId OAS OA41I The mono 110 version has only volume control and no tone control functions Block diagram of the AV 110 90 and MONO 110 TV processor Fig 1 NXP B V 2007 All rights reserved Document ID 25 January 2007 Rev 0 11 Product data sheet 10 230 64 1 series NXP Semiconductors Signal processor for CRT TV a un 2 m a Q m a m E 2 m x un un m Q x 3 v E 1 5 A i d 100 17 5 fug joy 4 2 D OLHA ANCA TE 0 8 0 ON am ele 8102 81 08011 IdSIGA H 152 THHSHAO NI SHAO IOS VGS TASNL ONO 0377 m NAID SN
8. 3 0405 99 nos 051108 207 64005 Material SINGLESIDE Copper Thickness Surface treatment Solder slot C PAD 40 00NX56 MAE1XG pcb Tue Aug 12 14 05 01 2008 ajot C bvD 02b freafweuf 10 08 6 jyickueee 2 0 rader lpickueee WNW 021080506 07 2 S 2 4 6 e 719 Tivo ore To ee 089 bCB 6 0 sosa 7 9 ee OF ei e 5080 6 E g HI es 2 e 44 OA
9. 801 1C803 805 E gt E 42 c 841 R803 829 804 816A R817 T8 21LAAK PW2 18 MJ0108 JDX RESISTOR CEMENTED ORLOHM 5 R806 T8 21LAAK PW2 T8 21LAAK PW2 22 NTC509 XX2T 22 909 3 5 NTC 50HM 4 25 A MZT3BHL 9 20 T8 21LAAK PW2 25 BCB101 M1X CAP ELE 100UF 16VV 5X11 85 C842 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 25 BJG101 M1X CA 25 BDB102 M1X 25 BDB102 M1X 25 BDB102 M1X 25 BDB470 M1X 25 BDB470 M1X 25 01 25 01 25 BFB100 M1X P ELEC 100 UF 160V 20 1 PCT j 2 T C832 C827 C829 812 C824 26 A1C221 KBX 26 A1C221 KBX 26 A1C221 KBX 26 152 26 AKC331 KBX 26 1 26 472 26 AKL103 MFX T8 21LAAK PW2 26 102 5 T8 21LAAK PW2 26 102 5 T8 21LAAK PW2 26 EBP104 ZFS T8 21LAAK PW2 26 104 7 5 T8 21LAAK PW2 26 104 7 5 T8 21LAAK PW2 26 EBP473 ZFS T8 21LAAK PW2 26 EBP561 JCS T8 21LAAK PW2 36 LIF010 XX0 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00
10. 64 N1 series 6 Pinning information Signal processor for CRT TV Table 6 Pinning information SYMBOL SDIP64 DESCRIPTION AV 110 AV 90 Mono 90 Mono 110 IFVO SVO PIP 1 1 IF video output selected CVBS output PIP output IFVO SVO BI 1 IF video output selected CVBS output VP2 2 2 2 274 supply voltage TV processor 5 V VCC8V 3 3 3 8 Volt supply for audio switches PLLIF 4 4 4 IF PLL loop filter GND2 5 5 5 ground 2 for TV processor DECSDEM 6 6 6 decoupling sound demodulator AVL SSIFOUT SNDDEMOUT 7 7 7 AVL Second sound IF output sound demodulator output EHTO 8 8 8 EHT overvoltage protection input AGCOUT 9 9 9 tuner AGC output IREF 10 10 10 reference current input VSC 11 11 11 vertical sawtooth capacitor VIFIN2 12 12 12 IF input 2 VIFIN1 13 13 13 IF input 1 VDRA 14 14 14 vertical drive A output VDRB 15 15 15 vertical drive B output EWD AVL 16 East West drive output AVL capacitor AVL 16 16 capacitor DECBG 17 17 17 bandgap decoupling SECPLL 18 18 18 SECAM PLL decoupling GND1 19 19 19 ground 1 for TV processor PH1LF 20 20 20 phase 1 filter PH2LF 21 21 21 phase 2 filter VP1 22 22 22 154 supply voltage TV processor 5 V DECDIG 23 23 23 decoupling digital supply XTALOUT 24 24 24 crystal oscillator output XTALIN 25 25 25 crystal oscillator input P1 5 26 26 26 port 1 5 P3 3 ADC3 PWM3 27 27 27 port 3 3 or ADC3 input or PWMS output P3 2 ADC2 PWM2 28 28 28 port 3 2 or ADC2 input
11. 1 X56AK CR1 03 21 15 0125 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 4 1 WJ0050 B00 41 0050 00 4 1 WJ0050 B00 41 110050 800 18 CB0222 JNX 18 CB0222 JNX 18 CB0222 JNX 47 CRT022 NX0G 26 EBP561 JCS 40 0 T8 21F1AK FC6 4 GND021 LXOT 42 45 108D XT1G 42 45108 16 X56B CRE1X G R515A R525A R535A 5 2W R Y 5 2W R Y 5 2W R Y 8 56 1 41 0400 0 WIREBAREJUMPERT 5MM J504 T8 CLA41 WJ0050 B00 WIRE BARI CLA1 WJ0050 B00 WIRE BARI CLA1 WJ0050 B00 WIRE BARI CLA41 WJ0050 B00 WIRE BARI ES 2 2K OHM 1 6W 5 ES 2 2K OHM 1 6W 5 RES 2 2K OHM 1 6W 5 CAP CEP 560PF 50V 5 TV PCB CR BD R Y SPEAKER 0 4510 JUMPER 5MM R 1505 JUMPER R JP501 JUMPER 5MM R JP502 JUMPER 5MM R JP503 512 522 532 501A E E E E T T T T R R gt um T8 21F1AK FC6 46 057 02 016 WIRE CONNECT 570MM 2 TJC3 PH 2 5MM UL246 602 TO R SPK 46 CTO48T 03K01G WIRE CONNECT 480MM TJC3 PH 2 5MM UL246 603 L SPK T8 21F1AK FC6 54 113970 000 TV RAW INSULATOR SLEEVE AWG 5 00 00 R FOR SPK HOUSING T8 21F1AK FC6 T8 21F1AK FC6 54 114000 00X TV RAW FELT PAPER 150MMX19MMXO 3MM BK 01 54 205140 000 SPACER CRT MOUNTING T 2MM 54 314740 0X0 CRT FIBRE SHEET 22 22 SMM T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21
12. 5 6 Mute While TY is up the mute terminal Pin 6 is 6097911866 Mate threshold voltaze is 2 300105 When mute function sends out ike voltage from is high nakez 0502 turn on pole C of 0602 gat lov voltage mute function of anplifior ic HOVvorking to eut off outputs 12N Mute function in Tura on pui d At the right of turn on AND the 12 is get send to pele B and E of 9601 respectively 81 0 and 1601 duc the resistence of ett then TK i de voltage of Pole E of 4601 higher than Pols B s iu turn on the high voltage across 1611 send to pole cf 9502 makes pind of amplifier get loy and cut off outputs At the seme tine of 12 volt across 801 send to Pole E of 9601 charge fcr C505 while charge full 0801 vill tura off Amplifier sends sound out In the reverse the from play nade to standby the 12volt R6Q7 cet low the charge volt of C605 makes 9601 turn on also makes 39K 9602 turn on pird voltage get low to avoid the POP on the outputs Fron play mode to standby node the STB signal fron up goes high and the voltage across the STB terninel iat Jeter ts 40 increase exponen v tially Tha azterncl RC neiwork 8514 and C509 intended to GND _ turn on slowy the biasing circuit of the amplifier Thiz is for avoid FOF on the outputs a 4 2 e Power Supply Section AC supply 220V 110v th
13. N Chassis NX56 LA Version 1 0 TTE Corporation R D Center Shen Zhen Lab Model NX56 LA NX56 LA Item 29185 21F5US Nicam America Stereo MTS BTSC MPS America SAP Korea Stereo Thai Bilingual X Super Woofer Sound Control General Volume Mute Sound Control Special Treble Bass lt Balance Equalizer Smart Sound modes Others Speakers Quen User Interface English Portugal Espanol English Portugal Espanol Features General AT HE Biological Cok CS OCS Chani Naming e 06 j CS Features Special V chip CCD Smatsga REW __ Rj Xx jX x X ne mg xXx x F Factory Mods Xx x FP Sewe Mog Cabinet Name Chassis NX56 LA Version 1 0 TTE Corporation R D Center Shen Zhen Lab Model NX56 LA NX56 LA Item 29185 21F5US Front Cabinet Color Middle Cabinet Color Rear Cabinet Color Local Controls Front Mains Switch CH VOL VOL TV AV Menu Local Controls Top CH CH VOL VOL Auto Search Indicator RC Received LED Standby LED Remote Controller Batteries Connectors Rear SCART Full w o Y C SCART Full with Y C SCART Single CV
14. ELECTRICAL CHARACTERISTCS Voc 11V RL 80 f 1KHz Tamb 25 C unless otherwise specified _ Ro Supt Reve 9 THD Total Harmonic Distortion Po 0 1W to 2W f 100Hz to 15KHz Supply Voltage Rejection f 100Hz VR 0 5V Voltage Gain Matching 2 9 72665 ELECTRICAL CHARACTERISTCS continued 11V RL 80 f 1KHz Tamb 25 C unless otherwise specified Parameter Test Condition Symbol Typ Max unit E a R om DE E VTwurE Mute Threshold for Voc gt 6 4V Vo 30dB 23 28 44 for Vcc lt 8 4V Vo 30dB 2 Vcc 2 2 1 075 0 1 Min lt 5 Dim L APPLICATION SUGGESTION STAND BY AND MUTE FUNCTIONS A Microprocessor Application In order to avoid annoying Pop Noise during Turn On Off transients it is necessary to guarantee the right St by and mute signals sequence It is quite simple to obtain this function using a microprocessor Fig 1 and 2 At first St by signal from uP goes high and the voltage across the St by terminal Pin 7 starts to increase ex ponentially The extemal RC network is intended to tum on slowly the biasing circuits of the amplifier this to avoid POP and CLICK on the outputs
15. 100 OHM 1 6W 5 TS 21LAAK MA2 18 0101 T8 21LAAK MA2 18 0101 ES 100 OHM 1 6W 5 TS 21LAAK MA2 18 CB0101 TS 21LAAK MA2 18 CB0101 JN IT8 21LAAK MA2 18 CB0101 ES 100 OHM 1 6W 5 ES 100 OHM 1 6W 5 ES 100 OHM 1 6W 5 TS 21LAAK MA2 18 080101 TS 21LAAK MA2 18 0101 TS 21LAAK MA2 18 CB0101 N ES 100 OHM 1 6W 5 ES 1K OHM 1 6W 5 ES IK OHM 1 6W 5 18 CB0102 8 211 10 1 2 18 CB0102 N ES C F IK OHM 1 6W 5 IT8 21LAAK MA2 18 0102 ES C F 1K OHM 1 6W 5 ES 1 OHM 1 6W 5 ES IK OHM 1 6W 5 ES C F 1K OHM 1 6W 5 18 CB0102 N 2 gt lt ES 100 OHM 1 6W 5 ES 100 OHM 1 6W 5 A gt 20120120 jos jos jos lt jos x lt jos jos lt j lt 20 E E EEE gt lt gt gt lt gt gt gt gt gt 2 lt 4242 3 T8 21LAAK MA2 18 CB0103 ES OHM 1 6W 5 gt lt gt 18 CB0102 ES 1 OHM 1 6W 5 ES IK OHM 1 6W 5 ITS 21LAAK MA2 18 0103 ES 10K OHM 1 6W 5 ES 100 OHM 1 6W 5 18 CB0122 N ITS 21LAAK MA2 18 0
16. 102 TS 21LAAK MA2 25 BDBI02 MIX TS 21LAAK MA2 25 BDB47O MIX TS 21LAAK MA2 25 BDBATO MIX IT8 21LAAK MA2 _ 25 0 470 1 AP EL ATUF 25VV 5X11 85 C104 IT8 21LAAK MA2 _ 25 BDB471 MIX AP ELEC 470 UF 25V 20 C601 8 211 10 1 2 _ 25 101 1 AP ELEC 100 UF 35V 20 C307 IT8 21LAAK MA2 95 100 1 AP ELEC 10 UF 50V 20 C101 8 211 10 1 2 25 00 AP ELEC 10 UF 50V 20 C237 IT8 21LAAK MA2 95 100 1 AP ELEC 10 UF 50V 20 C221 8 211 10 1 2 25 00 AP ELEC 10 UF 50V 20 C203 IT8 21LAAK MA2 _ 25 BFB100 M1X AP ELEC 10 UF 50V 20 C211 TS 21LAAK MA2 25 BFBIOO MIX IT8 21LAAK MA2 95 100 1 AP ELEC 10 UF 50V 20 C230 IT8 21LAAK MA2 25 BFB109 M1X CAP ELEC 1 UF 50V 20 TS 21LAAK MA2 25 BFBIO9 MIX ELEC 1 UF 50V 9 208 0246 TS 21LAAK MA2 25 109 TS 21LAAK MA2 _ 25 BFB109 MI TS 21LAAK MA2 _ 25 BFB109 MI TS 21LAAK MA2 25 BFB109 MI 1 CZ 01101 O1 O1 CI TS 21LAAK MA2 25 109 TS 21LAAK MA2 25 BFBIO9 MIX ITS 21LAAK MA2 95 220 ELEC 22 UF 50V 4 20 TS 21LAAK MA2 25 BFB220 MIX IT8 21LAAK MA2 95 479 1 BE ELEC 4 7 UF 50V 20 205 8 2
17. 5 gt lt 24 gt gt gt gt gt gt cp 17 102 famed 6464 e e Lee a PM 79 2 8 2 827 voa 3B 273 1K VOLTAGE R274 Tu 8275 aa ENS 9209 33K 212 9210 1000P 1548 1000 103 8208 ENT Fig 2 Small Signal Processing Section AVL SSIFOUT FMDEMOUT LS SCART CINCH OUT SCART CINCH IN LS AUDIO OUTPUT VOLUME TONE CONTROL AVL lim VISION IF AGC AFC PLL DEMOD SOUND TRAP GROUP DELAY VIDEO AMP 1 5 5 DECODER BASE BAND DELAY LINE AUDIO SELECT CLK GENERATION RESET PC BUS 105 VIDEO SWITCH VIDEO IDENT VIDEO FILTERS CVBSA Y4 AUDIOINSL H V SYNC SEP H OSC PLL 2 LOOP H SHIFT VERTICAL amp EAST WEST SKIN TONE U V TINT SATURATION RGB MATRIX BLUE BLACK STRETCH GAMMA CONTROL RGB YPgPg SWITCH PEAKING SCAN VELOCITY MODULATION RGB CONTROL OSD TEXT INSERT CONTR BRIGETN CCC BLACK ADJ 080 0300330 LXALATAL 8OSS3OO34 Tl H DRIVE GEOMETRY Pa 5 5 EWDAVL zz CVBS3 B 52 OUT pea 3 6 Fig3 Block Diagra
18. 56 1 56 1 X56AK CR1 X56AK CR1 56 1 56 1 18 0102 18 0471 18 CD0471 J 18 CD0471 J 18 CD0471 J 18 0471 18 CD0471 J 18 0224 TRANSISTOR BF422 NPN 126 TRANSISTOR BF422 NPN 126 TRANSISTOR BF422 NPN 126 TRANSISTOR BF423 PNP 126 ES 270 OHM 1 6W 5 ES 270 OHM 1 6W 5 ES 47 OHM 1 6W 5 ES C F ES C F 470 0 ES 470 OHM 1 4W 5 ES 470 OHM 1 4W 5 ES 470 OHM 1 4W 5 ES 470 OHM 1 4W 5 ES 470 OHM 1 4W 5 ES 220K OHM 1 2W 5 OHM 1 4W 5 M 1 4W 5 R506 8 56 1 X56AK CR1 56 1 56 1 X56AK CR1 X56AK CR1 56 1 56 1 8 8 T8 NX56AK CRI 4 WJ0065 B00 1 REN T8 NX56AK CRI 4 WJ0065 B00 1 REN 18 FE0272 JNX 18 FE0272 JNX 18 FE0272 JNX 26 102 26 91 5 26 91 5 26 91 5 41 4 0065 00 R529 RESISTOR METAL OXIDE FILM 2K70HM 5 1 2W R519 CAP CER 390PF 50V 5 C521 CAP CER 390PF 50V 5 C531 CAP CER 390PF 50V 5 C511 I REN D531 D521 D511 18 FG0153 JSX 8 56 1 18 FG0153 JSX T8 NX56AK CRI 18 FG0153 JSX 56 1 X56AK CR1 X56AK CR1 56 1 56 1 X56AK CR1 X56AK CR1 56 1 56
19. RAW POLYFOM UL 00 00 RN T8 21FlAK PA9 175 459430 ECO RAW POLYFOAM UR 00 00 RN T8 21FIAK PA9 T8 2IFIAK PA9Z ASS Y PACKING ART ASY 18 2 POLYBAG W SUFFOCATION WARNING 0 1 5 8 21 15 5 8 21 15 ASS Y MAIN BDKIT I T8 21FISAK MA3HM T8 21LAAK MA2 ASS Y MAIN BDEQU T8 21LAAK MA2 10 0 104 T8 21LAAK MA2 10 0 104 T8 21LAAK MA2 10 0 104 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 1 4148 DIODE 1N4148 SWITCHING T8 21LAAK MA2 10 79 8 2 T8 21LAAK MA2 10 79 33 DIODE ZENER 33V 1 21 5 T8 21LAAK MA2 10 9 D PR A V 4 TV BZXT9CAV T8 21LAAK MA2 10 79C5V6 DBX T8 21LAAK MA2 10 1905 6 081 T8 21LAAK MA2 10 1905 6 081 T8 21LAAK MA2 10 79C5V6 DBX T8 21LAAK MA2 Q402 T8 21LAAK MA2 Q401 T8 21LAAK MA2 Q601 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 T8 21LAAK MA2 18 CBO101 NX C F 100 OHM 1 6W 5 T8 21LAAK MA2 T8 21LAAK MA2 18 CBOI01 JNX
20. When this voltage reaches the St by threshold level the amplifier is switched on and the external capacitors in series to the input terminals C3 C53 start to charge It s necessary to mantain the mute signal low until the capacitors are fully charged this to avoid that the device goes in play mode causing a loud Pop Noise on the speakers delay of 100 200ms between St by and mute signals is suitable for a proper operation E Figure 1 Microprocessor Application cs C6 T 470uF LL 100nF OUT1 C1 029 IN1 ST BY 10K i D95AU258A Colour Television Chassis NX56 Figure 1 Fuse Blown Is the drain of Is D801 D804 Q801 shorted OK the peripheral components Check IC801 and to earth Yes Cheek Replace Replace 0809 0812 0801 Figure2 No Raster Abnormal B No raster abnormal B Is the t B i Check Q402 collector C resistance to earth Q Replace Q402 ok resistance to earth ok Check the load of B Colour Television Chassis NX56 Figure3 No Raster B OK No raster B Voltage OK Replace IC201 NO Is the voltage the of 8 waveform at PIN IC202 5v 56 of IC201 OK Replace Q402 No Replace IC201 Figure 4 No Sound Replace Apply the pointer of multimeter at 601 RXIK Q connect one probe to je qm GND use another to touch P12 P4 Check power Is it mute at of IC601 Is there
21. nc 4 55 m w j 5 5 ore 8 gt HET 7 3 1 used Lara 1251 8195 1 5 5 ona T use E mam E 4 c 5 J dia erin 89 li s pent sees ponen eut 31H 8 gg rm onal reed E ad x ian wa ms 4 1 t 3 unos 03 M 3 ETT 0383 Wer lt a A 1 z 5 8 4 8 n 476709 775798 75795 oc 5 ES 687 60 VIISO ONS 7 4 A 919
22. CAL s SERVICE MANUAL MODEL 21F1 CHASSIS NX56E LA 1 Caution 2 2 specification 4 6 3 Alignment Procedure wees 13 4 Block Diagram eees 28 5 Signal Processing Introduction 29 6 Layout 7 Scheme Diagram 36 8 Specification of Main IC 40 9 Trouble Shooting 10 List
23. fou Toossu 23 L 0 AW iria a PROTECT lt N m Vertical Scanning Section Vertical scanning section adopted STV8172A vertical deflection booster we use as differential output driver The vertical raw tooth wave signal sends out from pin14 15 of IC201 VDA VDB The two differential signal input pin 1 and 7 of STV8172A IC301 Pin2 14v and Pin7 14v of IC301 is power supply which come from the main power transformer Pin 6 is boost voltage rectified by D301 C309 C301 and R305 makes up a voltage feedback network R306 is a damping resistor C306 is correction capacitor R308 is current feedback resistor VDA nd VIB connect with Pili of 10201 R317 9 R316 1w gt 3 The 147 end 14 get from 1601 power 16304 transforner m 3 ner 0 R320 4 E ECT 29 3 Wo R311 ces 10K 508 I 35 9202 1 20v Cu 55 sni sur 1456 4 puo em 0 T 5 x cana DU Gil o42 5 1 1 t 2 as 7k 1 2 c Fig 4 Vertical Scanning Processing Section CRT Scanning Section Q507 D501 D502 and D503 makes up a light eliminate circuit network When the TV is playing mode 8V voltage across R533 charge for C512 Q507 is cut off A
24. 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 35 392170 01 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 W 0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0055 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0085 B00 41 WJ0095 B00 41 WJ0095 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0125 B00 SER 220POF 500VV CAP CER E NF 1KVDC 20 CAP 0 1UF 50V 80 20 CER 1 50V 80 20 1 WJ0050 B00 WIR TCL41 WJ0050 TCL41 WJ0050 2 TCL41 WJ0050 B00 5 5 00 WIR 00 WIR TCL41 WJ0050 B00 WIRE BARI PER 5 FERR BEAD 135050 730 B00 WIRE J0050 B00 WIRE BAR 12 2 2 les 12 tz TCL41 J JUMPER 5 J TCL41 WJ0050 B00 WIRE BARE JUMPER 5 1 WJ U B00 WIR 1 WJ0050 B00 WIR E JU TCL41 WJ0050 B00 WIRE E JUMPER 5 J J TCL41 WJ0050 JUMPER 5 J J C UD tj TCL41 WJ0050 B00 WIRE BARE JUMPER 5 TCL41 WJ0050 B00 WIR UMPER 5 WIREBARE JUMPERS 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBARE JUMPERS 5 WIREBAREJUMPERO 5 WIREBAREJUMPERY 5 WIREBARE JUMPER LOM WIREBARE JUMPER 1 0M WIREBARE JUMPER 1 0M WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER 10M WI
25. 83 3 49 49 49 39 B input Pg input G3 Y3 CVBS3 Y3 50 50 50 3 9 G input Y input CVBS input Y input R3 Pg3 C2 C3 CA l1 51 51 51 3rd R input Pg input C2 3 4 input YOUT 52 52 52 Y output for YUV interface YSYNC 53 53 53 Y input for sync separator 54 54 54 supply voltage 5 V GND3 55 55 55 ground connection HOUT 56 56 56 horizontal output FBISO SANDCA 57 57 57 flyback input sandcastle output AUDOUTSM2 LSR 58 58 58 audio output for audio power amplifier right signal or fixed audio output for mono applications AUDOUTLSM1 LSL 59 59 59 audio output for audio power amplifier left signal or speaker output for mono applications C2 C3 CA AUDIOINSR 11 60 60 chroma 2 3 4 input audio 5 right input C2 C3 C4 60 2 3 4 input AUDIOIN3 IN1R 1 61 61 61 audio 3 input right stereo input CVBS2 Y2 62 62 62 CVBS2 Y2 input AUDIOIN2 IN1L SSIF 63 63 63 audio 2 input left stereo input sound IF input CVBS4 Y4 AUDIOINSL 1 64 64 CVBS4 Y4 input audio 5 left input CVBS4 Y4 64 CVBS4 Y4 input 1 The function of these pins is dependent on some I C bus control bits More details are given Table 7 2 The function of this pin is selected by means of the CMB2 0 bits The function of this pin is selected by means of the 5 1 0 bits 4 The SSIF input is selected by means of the SSIFM bit 5 The choice between two mono inputs or one stereo input is realized by means of the bits SAS
26. 99420 o 017522014 gt L a 1371 aa oO 9 i has Vu 108 7 Benne Nh C Bi 5 e e T e 5 e 339Nv0 NH 7 H i ee o e LOH M SV aan 30 LOH z ate z 2 70 9 9 32 9 M 9 e 0 oad TII M 2 amp 2 6 gt 2 6 9 oxisvn osxuoo 05 7 59 7 6 ae 6 EF NIK nri nmn aa iNO ug 98 98 18 15981 3881 701 8 nn ad nn aa TE salar 3310830 N3389 1H3
27. ES C F 560 OHM 1 6W 5 8 21 1 1 ES C F IK OHM 1 6W 5 011 T8 21F1AK KEl ES C F 270 OHM 1 6W 5 R007 T8 21FIAK KE1 18 CB0331 ES 330 OHM 1 6W 5 T8 21F1AK KE1 25 470 CAP ELE 470 25VV 5X11 85 C001 SOCKET RCA 1 RD BU GN RD WH YW R P901 ITS NX56LA AV2 _ 41 W 0050 B00 141 110050 800 WIRE BARE JUMPER R JC901 IT8 NX56LA AV2 41 10050 00 CL41 WJ0050 B00 WIRE BARE JUMPER R JC902 CL41 WJ0050 B00 WIRE BARE JUMPER 5MM R JC904 141 110050 00 WIRE BARE JUMPER R 1 905 TS NXb6LA AV2 41 WJ0075 BOO TS NX56LA AV2 41 70075 00 T8 21FISAK MA3HM T8 21FISAK OT3 ASS Y OTHER PARTSKIT IT8 21FISAK OT3 07 457FF5 NF9T TUNER NTSC 45 75MHZ CONNECTOR TS 21FISAK OT3 45 SAWDI5 39COD TS 21FISAK OT3 70 271510 00A TS 21FISAK OT3 71 270870 0A9 LABEL TS 21FISAK OT3 90 ODSTGI SRIU HEAT SINK DSTG 1 gt lt x 1 gt lt 54 5 54 x I Sls 5 gt lt gt lt x 23 UD T8 21F1SAK OT3 46 CD030T 04K01G 5402 WIRE 04547224 5 300MM 4 TJC3 SCN 2 03 21 15 0125 CL41 WJ0050 BO0 WIRE BARE JUMPER R IRE BARE 170 WIREBAREJUMPERT RES 2 2K OHM 1 6W 5
28. The first number 1 means the version of approved file the second one 2 means the version of draft NX56 LA seran 2008 5 19 Updated on jveson Pt TTE Corporation R amp D Center Shen Zhen Lab Revision History Model No Status Comment 2008 5 19 10 03 1855 5 31 29185 2008 5 19 TT 216305 Revised by Released Revised by as TTE Corporation R D Center Shen Zhen Lab Model NX56 LA NX56 LA Item 29185 21M5US LLL NN j ess TT Reception 18 PLL Channa Antenna AND Gable 45 7 MHz PAL WN NTSC M Picture Processing C C r S S 2 50 7 A Picture Enhancement LTI CTI Black Streich os L Brightness Shape xXx x FP Tr gt Color gt gt Picture Control Special Smart Pictures modes 4 modes 4 modes lt Color Temperature 3 modes Others Picture Noise Reduction 3 modes Picture Display CRT Type Normal Flat Pure Flat Super Flat Deflection system 2Fh Tube Technology Iron gt Black Matrix Others CRT Deflection Deg CRT Magnetic Field Screen Type Screen Size Vis Size 12 4 3 21 Super Slim 5W 5W Audio Power Consumption 4W 4W Surround Sound
29. VSH Adjust to right value VSIZE 50 32 Vertical amplitude VA Adjust to right value VZOOM 50 25 Vertical zoom VX Adjust to right value VSC 50 32 S correction SC Adjust to right value VSCROLL 50 32 Vertical Scroll VCS Adjust to right value Notes 1 For NTSC signal the 50 will replace with 60 2 For NTSC signal only the 60 and VSIZE 60 items need the adjustment the other items use the same data as PAL signal 3 On producing please use the AUTO OFFSET On page 2 function to easy the geometry adjustment of NTSC signal When finished the PAL signal geometry adjustment press 2 key to enter page 2 to select AUTO OFFSET item press gt key to active the automatic offset function Then the geometry adjustment of NTSC signal will finish automated If the geometry of NTSC signal is look good you don t need to adjust the geometry of NTSC signal any more 3 5 2 Horizontal geometry adjustment 1 Input a PAL crosshatch pattern signal to RF input Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 9 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab 2 Enter P Mode press key 2 to select horizontal geometry adjustment The OSD menu for this adjustment as below table 3 5 2 For NTSC signal the 50 will replace with 60 3 Adjust the value of the corresponding item
30. 1 72 1801 01 SOFTWARE SOFTWARE CODE IC201 41 00 0 41 000 0 0 41 0 0 41 06 0 18 0222 48 001 0 51 DC0180 0CNOHG 67 46157 0 0 36 26 2 13 1 7814 10 13 0001 1 7 V8 NX56BLA TM4V5 1 4 10 11 23 22 QQ EONS 5 AK pian fu 1 56 453970 0 ll 2 67 36004 0 2 DES 1 3 55 455700 2CL Bil o 1 4 42 45108D XTI1G 2 5 63 540120 46 Mg 4 i E DA 6 56 455600 0 1 ETCOO9 Li T 63 830080 40 20 2 00092 8 56 458760 0 HEH 1 ENL 9 62 455500 0U BUS EH 1 10 56 453980 0HC BBE 1 11 63 W30100 AB4G 1 1 E i 12 62 450570 0U SAL 1 13 62 312090 0HA 1 14 62 450560 0U SUAR 1 15 BLES 1 16 62 455430 0 3H BE E FE 4 21 4E 17 2170017253 810 1 18 63 760450 or 63 760300 AA A RET 4 19 55 459190 0 1 20 63 40200 26 0152 6 il 576 21 63 F30100 BT3G 3X LOBT3 22 0 1 28 63 830080 40
31. 3 V VicVBS p p external CVBS Y input peak to peak value 1 0 1 4 V VicHROMA p p external chroma input voltage burst amplitude peak to peak 0 3 1 0 V value ViRGB p p RGB inputs peak to peak value 0 7 0 8 V Viv p p luminance input signal peak to peak value 1 0 V ViPB p p input signal peak to peak value 0 7 V ViPR p p Pg input signal peak to peak value 2 0 7 V Output signals Vo IFVO p p demodulated CVBS output peak to peak value 2 0 V Vo osso ms sound IF intercarrier output RMS value 100 Vo AMOUT rms demodulated AM sound output RMS value 250 mV Vo AuDIO rms 1 non controlled audio output signals RMS value 1 0 V Vo CVBSO p p selected CVBS output peak to peak value 2 0 V lo amp GCOUT tuner AGC output current range 0 1 mA VoRGB p p RGB output signal amplitudes peak to peak value 1 2 V loHoUT horizontal output current 10 mA lovERT vertical output current peak to peak value 1 mA loEwD EW drive output current _ 1 2 1 The supply voltage for the analogue audio part of the mono 90 version can be 5V or 8V For a supply voltage of 5V the maximum signal amplitudes at in and outputs 1V ms For a supply voltage of 8V the maximum output signal amplitude is 2 Vis The AV 110 90 and 110 versions need a supply voltage of 8 V 2 The YPgPn input signal amplitudes are based on a color bar signal with 100 saturation Document
32. 622 2 5 x REV Nb Initiator Source release Tool release dispatch Modification description Date Designer Plastic Injection Compact lt 100 A0 2mm Gaz Assisted 0 A0 Imm Technology Technology gt 100 58000 Reduce amp See 5 normal Technology gt 100 lt 200 A0 2mm gt 200 0 1 Metallic Length lt 1000 j 0 2mm gt 1000 A0 4mm Cutting Tool with blades A0 3mm Dim lt 300mm Technology Internal cut punching 0 1mm 1 time _jA0 5mm gt 1 time Imm Dim lt 300mm PJO Name 568 Nb Draw Nb PART NAME Designer 3F 2008 12 05 Project 7 ZZ Mechanical Material Scale 11 lt Department Approve Weight Sheet 1 1
33. Disable AV STANDB 0 minutes automatic standby DEFALT 1 SET DEFALT 1 Enlish 2 Portuguese LANGUAGE LANGUAGE 3 Spanish DEFALT TUNE 1 SET DEFALT TUNE DEFALT TUNE MODE MODE MODE 0 7 cable 1 antenna AT MODE 1 Enable O Disable AT ENABLE 1 ENABLE VCHIP 1 Enable O Disabl VCHIP ENABLE 1 Description 1 Set the shopping status When trigger the SHOP INIT item form 0 to 1 the TV will be put on selling status The TV status after shopping status A FACTORY HOTKEY had set to OFF B Picture set to Standard status Brightness 50 Contrast 50 Colour 50 White tone Normal C Sound set normal Volume 30 Balance 50 D 2 Set the user picture and sound curve value A Brightness curve OSD menu Default Value Description Remark BRIO 0 Set the minimal brightness when user Brightness 0 Set the value as BRI50 32 Set the brightness when user Brightness 50 practical BRI100 63 Set the maximal brightness when user Brightness 0 requirement B Contrast curve OSD menu Default Value Description Remark CONO 0 Set the minimal contrast when user Contrast 0 Set the value as 50 32 Set the contrast when user Contrast 50 practical CON100 63 Set the maximal contrast when user Contrast 0 requirement Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 11 of 15 Updated on 2010 01 27 Version 2 2
34. IF processing circuit VGA LON 5 126 vos EN a 8102 R101 1008 8 a SCL Fig 1 Tuner section Small Signal Processing Section Small signal processing section is the IF intermediate frequency signal across saw filter send in the pin12 and pin13 of IC201 The VIFIN signal through built in PLL DEMOD sound trap video amplifier and synchronous detector processing get the color video broadcast signal and 2 sound IF signal Video signal processing section is CVBS across video filter and delay line and horizontal amp vertical synchronous separation circuit processing and get H drive pin56 of IC201 and V drive signal 15 15 of IC201 IF sound signal across the sound down mixer and AM demodulator processing send out the AVL SSIF OUT signal Refer to Fig2 and Fig 3 5 Oza Ho Cus HE gt gt gt lt dal gt gt o gt gt gt lt 5000 lt Ce ZO 2 9405 099229 4090699 mu GOR WHE amp 22050 48 5 f al m NI O e 8 d SF 8 885 8 8 8898082288 U 1 ni
35. Vs E B AE 7 22V 777 STV8172A 57 1V L 4 72 Figure 3 Measurement of V4 and T Q Vs 2 6 13 or 5 7 m b a 1 3 5 8172 5 1 2v L gt Vg measurement b Va measurement 4 14 STMicroelectronics Confidential 4 STV8172A Application Hints 4 Application Hints The yoke can be coupled either in AC or DC 4 1 DC coupled Application When DC coupled see Figure 4 the display vertical position can be adjusted with input bias On the other hand 2 supply sources and Vgg are required A Stand by state will be reached by switching OFF the positive supply alone In this state where both inputs are the same voltage as pin 2 or higher the output will sink negligible current from the deviation coil Figure 4 DC coupled Application 8 Output 4700 47 to 100 Voltage 6 3 2 Flyback Output Current Vref Generator Amplifier MJ EM Vertical Position 7 Adjustment 1l 2 A
36. or PWM2 output P3 1 ADC1 PWM1 29 29 29 port 3 1 or ADC1 input PWM1 output P3 0 ADCO PWMO 30 30 30 port 3 0 or ADCO input or PWMO output P2 1 PWMO 31 31 31 port 2 1 or PWMO output P2 0 TPWM 32 32 32 port 2 0 or Tuning PWM output VDDP 3 3V 33 33 33 supply to periphery 3 3V P1 7 SDA 34 34 34 port 1 7 or 2 data line P1 6 SCL 35 35 35 port 1 6 or I2C bus clock line P1 3 T1 36 36 36 port 1 3 or Counter Timer 1 input P1 1 TO 37 37 37 port 1 1 or Counter Timer 0 input P1 0 INT1 38 38 38 port 1 0 or external interrupt 1 1 5 39 39 39 external interrupt 0 or port 0 5 4 mA current sinking capability for direct drive of LEDs VDDC 3 3V 40 40 40 supply Document ID NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 11 of 230 NXP Semiconductors UOC TOP 64 N1 series Signal processor for CRT TV Table 6 Pinning information SYMBOL SDIP64 DESCRIPTION AV 110 AV 90 Mono 90 Mono 110 GND5 41 41 41 ground VPE 42 42 42 OTP Programming Voltage VDDA1 3 3V 43 43 43 supply voltage BO PBOUT 44 44 Blue output Pg output BO 44 Blue output GO YOUT 45 45 Green output Y output GO 45 Green output RO PROUT 46 46 Red output Pg output RO 46 Red output BLKIN VGUARD SVM 161 47 black current input vertical guard scan velocity modulation output BLKIN VGUARD 47 47 black current input vertical guard BCLIN 48 48 48 beam current limiter input
37. receivers W Low power start up of the horizontal drive circuit Features of the AV 110 90 concept which are not available in the Mono 110 concept W Analog audio tone control circuit with treble bass and loudness controls Features of the AV 110 and Mono 110 concept which are not available in the 90 concept W Horizontal geometry processing and Scan Velocity Modulation output Differences in feature list for the MONO 90 concept compared with 110 90 and Mono 110 concept W Audio switch circuit with 1 stereo input which can also be switched into two mono sound inputs a mono output for SCART CINCH with the possibility to serve as front monitor audio output W Stereo output with volume and AVL for audio power amplifiers This stereo output can also be switched to one mono loudspeaker output and one fixed mono sound output W CVBS output this output can only be used as monitor video output or as front end video output W Only basic video processing The remaining video features are peaking with coring black stretching and gamma control W No horizontal geometry processing and Scan Velocity Modulation output NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 3 of 230 NXP Semiconductors UOC TOP 64 N1 series Signal processor for CRT TV 2 2 Micro Controller 80C51 m controller core standard instruction set and timing 0 9766 ms machine cycle maximum of 80 k x 8 bit late pr
38. to make the horizontal geometry of the pattern look good 4 Apply NTSC signal to adjust these value for NTSC horizontal geometry Table 3 5 2 The horizontal geometry adjustment OSD menu setup and option page 2n OSD menu Default Value Description Remark HCEN 50 32 Horizontal shift HSH Adjust to right value HSIZE 50 32 EW width EWW Adjust to right value HPARA 50 32 EW parabola width PW Adjust to right value HTRAP 50 32 EW trapezium TC Adjust to right value HCNRT 50 32 EW upper corner parabola UCP Adjust to right value HCNRB 50 32 EW lower corner parabola LCP Adjust to right value HBOW 50 32 Horizontal bow HB Adjust to right value HPARALLEL 32 Horizontal parallelogram HP Adjust to right value AUTO OFFSET 0 Automatic offset NTSC geometry See below description Notes 1 NTSC signal the 50 will replace with 60 2 For NTSC signal only the 60 and HSIZE 60 items need the adjustment the other items use the same data as PAL signal 3 On producing please use the AUTO OFFSET On page 2 function to easy the geometry adjustment of NTSC signal When finished the PAL signal geometry adjustment press 2 key to enter page 2 to select AUTO OFFSET item press gt key to active the automatic offset function Then the geometry adjustment of NTSC signal will finish automated If now the geometry of NTSC signal is look good it not ne
39. vision IF circuit with alignment free PLL demodulator Internal switchable time constant for the IF AGC circuit Switchable group delay correction and sound trap with switchable centre frequency for the demodulated CVBS signal Separate Second Sound IF output or FM demodulator output without de emphasis available which can be used as input for an external BTSC decoder or as input for external sound band pass filter for second language processing Separate SSIF input available as input for the FM PLL demodulator to demodulate FM radio with an IF frequency of 10 7 MHz or as input from an external sound band pass filter for second language processing AM demodulator without extra reference circuit The mono intercarrier sound circuit has a selective FM PLL demodulator which can be switched to the different FM sound frequencies 4 5 5 5 6 0 6 5 MHz The quality of this system is such that the external band pass filters can be omitted The FM PLL demodulator can be set to centre frequencies of 4 72 5 74 MHz so that a second sound channel can be demodulated In such an application it is necessary that an external bandpass filter is inserted Audio switch circuit with 2 stereo inputs 1 stereo input can also be switched into two mono sound inputs and a stereo output which can be used for the drive of for audio power amplifiers with volume and tone control or as SCART CINCH output The second stereo input is only available the combined C2 C3 CA
40. 11 10 1 2 05 479 CAP ELEC 4 7 UF 50V 20 318 IT8 21LAAK MA2 _ 25 BLB100 M1X CAP ELEC 10 UF 250V 20 413 8 211 10 1 2 _ 25 PJA470 MIX TCL25 PJA470 M1X CELE 47UF 160V C419 IT8 21LAAK MA2 96 1 391 CAP CER 390 PF 500V 10 B 412 IT8 21LAAK MA2 26 102 5 CAP CER INF 50 10 BW TS 21LAAK MA2 26 102 5 TS 21LAAK MA2 26 102 5 TS 21LAAK MA2 26 EBP103 ZFS ER 10 10 TS 21LAMK MA2 26 EBP103 7FS T8 21LAAK MA2 26 EBP103 7FS TS 21LAMK MA2 26 EBP103 7FS TS 21LARK MA2 2 1 5 TS 21LAMK MA2 26 EBP104 7FS T8 21LAAK MA2 26 EBP104 ZFS TS 21LAMK MA2 26 104 7 5 TE 21LARK MA2 26 EBP104 7FS s TS 21LAMK MA2 75 TS 21LARK MA2 26 1775 TS 21LAAK MA2 26 EBP104 ZFS 18 21 2 26 1 75 TS 21LAMK MA2 75 78 211 2 26 EBP104 7FS TS 21LAMK MA2 26 EBP104 7FS TE 21LARK MA2 26 EBP223 7FS CER 47 PF 50V 5 54 ss s s s s s X OX OX ear 0 1U 63 8 8 CAP 0 63V 5 58 OX OX X saume fer PROP P E 0 0 63V 5 T8 21LAAK MA2 97 080563 018 ITS 21LAAK MA2 97 563 10 0 056 UF 63V 5 meeuw pr 682 10 0 0068UF 63V 5 I
41. 123 7 ES C F 12K OHM 1 6W 5 18 CB0153 18 CB0202 ITS 21LAAK MA2 18 0222 ES 2 2K OHM 1 6W 5 ITS 21LAAK MA2 18 0222 ES C F 2 2K OHM 1 6W 5 ES 22K OHM 1 6W 5 906 0 0 0 ES 22K OHM 1 6W 5 ITS 21LAAK MA2 _ 18 CB0223 N ES C F 22K OHM 1 6W 5 18 CB0223 N 18 CB0223 IT8 21LAAK MA2 18 0272 ES C F 2 7K OHM 1 6W 5 CL18 CBO274 NX RES C F 270K OHM 1 6 78 211 2 18 CB0331 ES 330 OHM 1 6W 5 ES 1K OHM 1 6W 5 ES 10K OHM 1 6W 5 ES 1K OHM 1 6W 5 gt lt 2 lt gt lt 2 2 gt lt gt lt gt 2 lt 20120120 22 jos gt lt 20 2 20120 2 gt lt A gt lt gt 202 20 848 gt gt oje gt lt gt lt 2012 0120120120 gt lt lt 20120 20170 gt lt gt lt gt 20120120 lt gt 20 T8 21LAAK MA2 18 0332 ES C F 3 3K OHM 1 6W 5 IT8 21LAAK MA2 18 0932 ES 3 3K OHM 1 61 5 ES 33K OHM 1 6W 5 IT8 21LAAK MA2 18 CB0333 ES 33K OHM 1 6W 5 ES 390 OHM 1 6W 5 IT8 21LAAK MA2 18 0393 ES C F 39K OHM 1 6W 5 ES 39K OHM 1 6W 5 IT8 21LAAK MA2 18 CB0470 ES
42. 3 0 6 The black current input vertical guard input and SVM output AV 110 90 and Mono 110 versions have been combined on this pin For a reliable operation of the protection system and the black current stabilization system or SVM system the end of the vertical guard protection pulse during normal operation should not overlap the measuring pulses Therefore this pulse must end before line 14 Document ID NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 12 of 230 STV8172A Vertical Deflection Booster for 3 App TV Monitor Applications with 75 V Flyback Generator Main Features Power Amplifier Flyback Generator Stand by Control Output Current up to 3 App Thermal Protection Description The STV8172A is a vertical deflection booster designed for TV and monitor applications This device supplied with up to 35 V provides up to 2 5 App output current to drive the vertical deflection yoke The internal flyback generator delivers flyback voltages up to 75 V In double supply applications a stand by state will be reached by stopping the supply alone Output Stage Supply 6 Non Inverting Input Power Amplifier Inverting Input 4 PRODUCT PREVIEW HEPTAWATT Plastic Package R CODE STV8172A ORD Input Non Inverting Output Stage Supply Outpu
43. 4 AUDIOINBSR pin for the right channel and via the combined CVBS4 Y4 AUDIOINSL pin for the left channel Video switch with 3 external CVBS inputs All CVBS inputs can be used as Y input for Y C signals However only 1 Y C source be selected because the circuit has 1 chroma input CVBS3 Y3 input available in combination with the G Y 3 input pin 1 CVBS output this output can be used as monitor video output or as front end video output or as independent selectable video output Automatic Y C signal detector Integrated luminance delay line with adjustable delay time Only one reference 24 576 MHz crystal required for the m Controller Teletext and the color decoder Multi standard color decoder with automatic search system and various forced mode possibilities Internal base band delay line Indication of the Signal to Noise ratio of the incoming CVBS signal Linear RGB YPgPmn input Scan Velocity Modulation output The SVM circuit is active for all the incoming CVBS Y C and signals The SVM output is combined with the black current input of the black current stabilisation circuit By means of a small application adaptation both functions can be operational in parallel NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 2 of 230 NXP Semiconductors UOC TOP 64 N1 series Document ID Signal processor for CRT TV m Picture improvement features with peaking with
44. 41 WJ0085 B00 41 WJ0085 B00 41 WJ0085 B00 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBAREJUMPERT 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 WIREBARE JUMPERS 5 41 WJ0085 B00 41 WJ0085 B00 41 WJ0090 B00 41 WJ0090 B00 41 WJ0095 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 110100 00 41 110100 00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0100 B00 41 WJ0105 B00 41 WJ0110 B00 41 110110 00 41 WJ0115 B00 41 WJ0115 B00 41 WJ0115 B00 41 110115 00 41 WJ0115 B00 41 WJ0115 B00 41 WJ0120 B00 41 WJ0125 B00 41 0 0 41 WJ0125 B00 41 WJ0125 B00 41 WJ0125 B00 41 0 0 41 10 0 41 0 0 41 10 0 41 0 0 41 WJ0150 B00 41 WJ0150 B00 41 WJ0150 B00 41 110150 00 41 WJ0170 B00 WIREBARE JUMPERS SMM WIREBARE JUMPERS SMM WIREBAREJUMPER9MM WIREBAREJUMPE
45. 47 OHM 1 6W 5 ES C F 47 OHM 1 6W 5 ES 47 OHM 1 6W 5 ITS 21LAAK MA2 18 CB0471 ES 470 OHM 1 6W 5 ES 470 OHM 1 6W 5 ITS 21LAAK MA2 _ 18 CB0472 N CARBON RES 4 7K OHM 1 6W 5 IT8 21LAAK MA2 _ 18 CB0472 N CARBON RES C F 4 7K OHM 1 6W 5 CARBON RES 4 7K OHM 1 6W 5 ES 47 OHM 1 6W 5 ES C F 5 6K OHM 1 6W 5 ES C F 5 6K OHM 1 6W 5 ES 5 6K OHM 1 6W 5 ITS 21LAAK MA2 18 0563 ES 56K OHM 1 6W 5 ES C F 68 OHM 1 6W 5 8 211 10 1 2 18 0681 1 ES 680 OHM 1 6W 5 IT8 21LAAK MA2 18 0820 ES C F 82 OHM 1 6W 5 ES 82 OHM 1 6W 5 ES 82 OHM 1 6W 5 ES C F 82 OHM 1 6W 5 IT8 21LAAK MA2 18 00100 ES C F 10 OHM 1 4W 5 2 gt lt 2 gt lt gt gt gt lt gt lt gt lt gt lt gt lt jos jos lt gt gt lt jos gt lt gt lt T8 21LAAK MA2 18 CD0121 J ES 120 OHM 1 4W 5 gt gt lt 78 211 2 18 CD0189 J ES C F 1 8 OHM 1 4W 5 305 18 FG0180 JSX TS 21LAAK MA2 25 101 TS 21LAAK MA2 25 BCBIO1 MIX TS 21LAAK MA2 25 101 TS 21LAAK MA2 25 BCBI01 MIX CAP ELE 5MM 1000 16VV 5x11 85 253 TS 21LAAK MA2 25
46. AIN OR MOISTURE IMPORTANT SAFETY INSTRUCTIONS CAUTION Read all of these instructions Save these instructions for later use Follow all Warnings and Instructions marked on the audio equipment 1 Read Instructions All the safety and operating instructions should be read before the productis operated Retain Instructions The safety and operating instructions should be retained for future reference 2 3 Heed Warnings All warnings on the product and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed FOR YOUR PERSONAL SAFETY 1 When the power cord or plug is damaged or frayed unplug this television set from the wall outlet and refer servicing to qualified service personnel 2 Do not overload wall outlets and extension cords as this can result in fire or electric shock 3 Do not allow anything to rest on or roll over the power cord and do not place the TV where power cord is subject to traffic or abuse This may result in a shock or fire hazard 4 Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel 5 Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of
47. Alignment should be done after 3 minutes warm up of TV B Voltages All relevant connectors and modules must be connected and inserted Main voltage is at 220VAC 50Hz voltage range 110VAC 240VAC 50Hz Connect a voltmeter to B Cathode of D808 and switch on the set Input Philips test pattern signal and standard mode Adjust VR801 it should as the value in below form B Voltage Table 3 1 1 The B value for vary tubes CRT type Part Number B Voltage A68ERF185X013 MS 44 29RFLT HFCA 125V 0 5V A51QGT420X34 44 21RFLS LGDA 108 0 5V A51ERS357X440 44 21 RFLE HF4A 112 0 5V AS1ALQ13X04 44 21RFLM CHDA 108V 0 5V 37SX110Y22 DC05 44 14OFLN IR6A 106 40 5V Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 6 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab 3 2 RF AGC alignment 3 2 1 Method 1 A Connect the detector as shown below Picture 3 2 to collector of Q101 B Receive a grey scale signal with 70dBuV amplitude C Enter P Mode press 6 key on RC to select D Adjust AGCT item until the output of the detector becomes 0 8Vpp 1N60 00107 Collector I 0 1000pF Picture 3 2 3 2 2 Method 2 A Receive a grey scale signal with 60dBuV amplitude B Enter P Mode press 6 key on R
48. BS Component In YPbPr Cinch for 50Hz In Y C Cinch CVBS Stereo In Y C Cinch CVBS Mono In Cinch CVBS Stereo In Cinch CVBS Mono Out Cinch CVBS Stereo Out Cinch CVBS Mono 1 follow TV Y Cb Cr input Super Woofer Digital Audio Out Loudspeakers Control Busses Feature Slot ITV Smart Port Antenna in 75 Ohms F Type 1 N Connectors Front Side In Y C Cinch CVBS Stereo In Y C Cinch CVBS Mono n Cinch CVBS Stereo In Cinch CVBS Mono Out Headphone Mini Jack 3 5mm Final Equipment Packing Methods 2 Color Printing Carton Color Documents and Manuals Instruction Book Screen Sticker Plastic Bag Warranty Card Chassis NX56 LA Version 1 0 TTE Corporation R D Center Shen Zhen Lab NX56 LA NX56 LA Item 29185 21F5US Gure po 7 Languages DU LL Findication on BACKOVER Maden im family sheet FCOlElect Shock Shock Gaution lal J Waring Others Approbation Miscellaneous Chassis NX56 LA Version 1 0 TCL THOMSON Electronics R amp D Center Shen Zhen Lab NX56 LA Chassis Alignment Procedure Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 1 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab Disclosure Proprietary
49. BTSC 1 BTSC s option according to 1 open O close ODF SAP 0 SAP 5 option When BTSC 1 open O close advice SET 1 BTSC AUTO 2 BTSC AUTO Select Recommended 2 AUTO 0 value 2 0 3 x 3 AV ALIGMENT 1 AV terminal align x 1 4 x3 AV2 ENABLE 1 AV2 terminal enable SHVS ENABLE 1 S Video terminal enable YUV ENABLE 1 YUV terminal enable 0 Disable 1 i ncm 1 Enable NO COMMAND ENABLE 0 db ad bna automatic standby enable LANGUAGE PORTUGA 1 LANGUAGE SPAISH 1 AVOUT Follow 0 Avout follow signal change Recommended 1 follow 0 tv value 1 Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 14 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab PRESS KEY fault detect Recommended KEY DETECT 1 detect 0 NO detect value 1 BLACK LIGHT Software eliminate bright 0 off Spot when turn off 1 on 0 TCL TUNER TYPE SET TUNER TYPE 1 XINFA Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 15 of 15 Updated on 2010 01 27 Version 2 2 Section Tuner Tul01 receive the radio frequency signal after inside circuit to do signal receiving and signal amplifying The amplified high frequency signal accompany with the high frequency oscillation voltage oscillated by set oscillator input to the mixer The IF picture signal and sound signal formed in mixer and output from mixer then send to picture
50. C to select AGCT C Adjust the AGCT value until the hint display AGC just change between 0 and 1 3 3 Screen amp Focus adjustment Notes Alignment below should be done after 15 minutes warm up of TV Input cross hatch pattern signal to RF input Enter P Mode Press 0 key on the RC and the screen will become a horizontal line Adjust the SCREEN VR of the FBT until the horizontal line can just be seen barely minimum visible intensity method with AKB OFF Note Adjust the SCREEN VR method with AKB ON Put the TV in AV source without input signal Enter P Mode press RC key Adjust the SCREEN VR of the FBT until VG2 State LOW OK HIGH display OK 5 Press 0 key again on the RC to exit the screen voltage adjustment mode 5 Adjust the 5 VR of the FBT until the vertical line and horizontal line becomes clear like picture 3 3 Chassis NX56 LA Serial No Issued on 2008 05 19 Page Page 7 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab Picture 3 3 3 4 White Balance Adjustment 1 Input a black and white pattern to RF input 2 Enter P Mode press key 3 to select white balance adjustment menu 3 Use the color analyzer to measure the black side of the screen Adjust the value of and to set t
51. ET OFFSET 0 Get offset See below description ColdRD 61 Cold color temperature 64 offset value 0 63 offset value ColdGD 56 and G drive offset 1 65 offset value 1 Adjust to right value ColdRC 61 Cold color temperature 64 offset value 0 63 offset value and G cut off offset t 1 65 offset value 1 Adjust to ColdGC 66 right value WarmRD 72 Warm color temperature R 64 offset value 0 63 offset value WarmGD 71 and G drive offset 1 65 offset value 1 Adjust to right value WarmRC 65 Warm color temperature R 64 offset value 0 63 offset value and G cut off offset 1 65 offset value 1 Adjust to WarmGC 64 right value Description for AUTO OFFSET and GET OFFSET The GET OFFSET can use to make the EEPROM copy by PE engineer When the PAL and NTSC geometry adjustment had finished trigger the GET OFFSET from 0 to 1 to store the geometry offset datum between PAL and NTSC in EEPROM Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 12 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab On producing these geometry offset datum can use to easy the NTSC geometry adjustment When finished the PAL geometry adjustment trigger the AUTO OFFSET from 0 to 1 then the geometry adjustment of NTSC signal will finish automated If now the geometry of NTSC signal is look good it not needed
52. F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6 T8 21F1AK FC6Z T8 21F1AK FC6Z T8 21F1AK FC6Z T8 21F1AK FC6Z T8 21F1AK FC6 T8 21F1AK FC6 57 10654X 00F 59 130460 00X 63 540120 46 63 1 30100 46 63 260300 4 67 12668 0 0 67 X36004 0E2 8 2 1F LAK FC6Z 55 453950 0CL 56 453970 0 56 453980 0 56 453990 0 62 454920 0 62 454040 0 TG CRT amp F CAB TG CHASSIN amp CRT RUBBER PAD 25MMX7MM PRING CRT 6MMX4OMMXO ISPRING ASS FRONT CABINET ART ASY j RAW FRONTPANEL 211 00 00 00 EN RAW KEY ON OFF BR 2181 00 00 00 R TS 21FIAK FC6 63 B40150 AB4G 18 21 1 8 6 36 DEG210 AXOL DEGAUSSING COIL ALXC 54 j 03 21FISAK BOI2S T8 21FIAK RCO 456 Y REAR CABINETASY j 18 21 1 8 5 63 B40150 AB4G 18 21 1 8 5 63 B40200 AB3G 18 21 1 8 5 63 F30100 BT3G 18 21 1 8 5 T8 21FIAK RCSZ ASS Y REAR CABINET ART ASY y T8 21F1AK RC5Z 155 459190 1CL RAW BACKCOVER 21F SHORT TUBE 01 00 0 T8 21FIAK RCOZ 58 21FIMP OUI TV RAW OVERLAY 80X50 BK 01 OO RN j 03 21 15 80128 18 21 1 9 ASS Y PACKINGASY TS 21FIAK PA9 M9 RO3PBO BAT BATTERY 1 5 T8 21FlAK PA9 75 459400 ECO RAW LL 00 00 RN 18 21 1 9 75 459410 0 RAW POLYFOAM LR 00 00 RN T8 21FlAK PA9 75 459420 0
53. FL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL T8 21RFL 4 18 0109 15 FAAK I MHFAAK FAAK I MHFAAK 18 EF0122 JSX FAAK 36 LIN210 XX1 FAAK 37 NR0002 CAATA I MHFAAK 27 AHR394 SX I MHFAAK 18 109 15 FAAK 18 FF0109 SX FAAK 18 FF0109 SX I MHFAAK 18 109 15 I MHFAAK RMOF 10HM 5 2W R Y 1 2KOHM 1W 5 25S Y RF1OX 1W I MHFAAK 41 W 0075 B00 WIREBAREJUMPERT 5MM MHF4AK 27 AHQ223 SX CAP M PP 0 022 UF 400V 5 C454 I MHFAAK 36 WID801 XX1 TCL36 WID801 XX1 COIL WIDTH 800 UH R N L451 R308A 18 CB0563 JNX FAAK 18 CE0221 NX 21 PBC222 JOX L MIF4AK 18 080512 18 FF0220 JSX P4AK 41 WJ0065 B00 R455A MHP4AK 27 ALQ472 JOX FAAK 27 ALR133 JOX FAAK 18 FG0399 JSX 18 CB0682_JNX T8 21RFLM HF4AK T8 NX56AK CR1 ASS Y BDEQU GW 56 1 56 1 X56AK CR1 X56AK CR1 11 0 422 0 11 0 422 0 11 0BF422 0BX 11 0BF423 0BX X56AK CR1 11 0BF423 0BX 8 56 1 11 0 423 0 T8 NX56AK CR1 11 5 2482 0 T8 NX56AK CRI 11 5 2482 0 T8 NX56AK CRI 11 5 2482 0 56 1 18 CB0271 J 56 1 18 CB0271 J X56AK CR1 18 0271 X56AK CR1 18 0470 56 56 X56AK CR1 X56AK CR1
54. G TV PCB MA BD j T8 21FISAK MASHM TS 21LAAK PW2 MSS Y POWER PARTASY T8 21LAAK PN2 2808 T8 21LAAK PW2 10 0 104 T8 21LAAK PW2 10 0 104 T8 21LAAK PW2 10 0 104 T8 21LAAK PW2 10 0FR104 FBX DIODE FR104 FAST RECTIFIER 983 DIODE FRIO4 FAST RECTIFIER DIODE FR104 FAST RECTIFIER 0 DIODE FRIO4 FAST RECTIFIER D804 T8 21LAAK PW2 10 0 107 D PIN 1 3V 1 A 1000VV 500NS W DO 15 FRI 0809 T8 21LAAK PW2 10 79C3V9 DBX D T8 21LAAK PW2 T8 21LAAK PW2 10 0RL255 EBX 10 0 1 255 10 0 1 255 10 0RL255 EBX 10 0RUAYX FPX 10 1N4007 EBX 10 1N4148 ABX 10 79C3V9 DBX 10 79 4 7 0 D PIN 1 1V 2 800V W 00 15 RL255 D PIN 1 1V 2 A 800V W 00 15 RL255 D PIN 1 1V 2 A 800V W 00 15 RL255 D PIN 1 1V 2 A 800V W 00 15 RL255 D FSR GRUAYX 100V 4A R Y D PIN 1 1 1 A 1000V W 100 41 1N4007 DIODE 1N4148 SWITCHING PR A V 3 9V 9 D PR A V 3 9V BZX79C3V9 D PR A V 4 7V BZX79C4V7 DB803 DB802 001 0812 0802 0814 T8 21LAAK PW2 10 79C8V2 DBX D ZENER BZX55C8V2 8 2V 500MIOW R N 20805 T8 21LAAK PW2 10 108 DIODE HERIOS D803 T8 21LAAK PW2 11 2N5551 CBX TR 160V 0 6 A NPN 0 625W 100MHZ TO 92 2N 0802 T8 21LAAK PW2 11 S7N60F 0CX MOSFET N 600 7A 48W TO 220F JCS7N60F Q801 T8 21LAAK PW2 11 TC144E 0BX TRANSISTOR DTC144ESA Q808 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2
55. I odsidyH TAV d H LIHA 30 NIHOTRISALLNOO IUHSNI 0 TOULNOD OY HOLIAS 811107 1 3 8 1 LATHS H dOOT TId OSO H 445 ONAS A H OSO 001000 TOULNOD HOLHWIS NOV IH DNDIVHd XRBRLLVIN 85241 5 5118 0241 LASTA JTO AVTAC A OHGIA LN3GI OHGIA HOLIMS OHGIA t T ANTI 1 GONVS HSVH 2 030 702 0 CA CSHAO AV THG 4 dV3LGNDOS 114 NOISIA 1031988 TOULNOD TAV AWNTOA LAdLNO 011017 ST SISVHdWHHG TId ANNOS NI 7000008 gt 1 7 alo HONIO L3VOS S I YAXIN 5 101 101000 WV LOONWSGIAH LOOJISS IAV OAS OAdI Block diagram of the MONO 90 TV processor Fig 2 NXP B V 2007 All rights reserved Document ID 25 January 2007 Rev 0 11 Product data sheet NXP Semiconductors
56. ID NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 6 of 230 9 230 64 1 series NXP Semiconductors Signal processor for CRT TV Block diagram 5 ua o x 2 6 o m E 2 2 d m x o ua nN m 5 x m 0 0 0 U lt T ES 110 4 A A 9 OLHH 00 4 7L 0 m j08 OD OM L ake 4 4A 391 810 gD 8011 IdSIGA H ISO 30 NI SHAO TOS Vds TASWL ONTO v SO I d LIHA 0302 1 1038 0 1011 100 71 HOLIAS 4 LSHA LSVH 9 1 1 8 1 11 dOOT TId OSO H 445 AH OSO v wv 01 ALIDOTAA NVOS DNDIVHd IO 2 LNOO VININVO 13 0118 8 11 1 ANOL NTAS 1 58 04 18544 011 81330 ATO 30 A 8131111 OHGIA LN8GI 1 HOLIAS ISNIOIGNV VA VSHAO 0 7 7 0 0 CA CSHAO JNASA bod
57. Information These drawings and specifications are the property of TCL Thomson Electronics and shall not be reproduced or copied or used as the basis for the manufacture or sale of apparatus or devices without the written permission of TCL Thomson Electronics Version Information Version states by two Arabic Numbers which is separated by one dot e g 1 2 first number 1 means the version of approved file the second one 2 means the version of draft Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 2 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab Revision History Prepared by LIPENG 2008 05 15 29185 0 03 B185SAE SC31 ecke I 29185 NX56 LA Released by Prepared by LIPENG 2008 05 15 21M63US Checked b 03 DM62SAE SC31S 21M63US NX56 LA Released by June Prepared by LIPENG 2008 07 4 03 DM83SAE SC31S 21M83S NX56 LA Released by Ver2 0 NX56 LA Updated the description Prepared by LIPENG 2009 02 23 chassis accord with the software changing TO NX56B Prepared by LIPENG 2009 04 10 Ver2 1 14N23 Checked by Add AKB adjust method Released by Ver2 2 LIPENG 2010 01 27 Prepared by Add background color set NX56 LA Checked by Add Software eliminate bright chassis Spot
58. ND F 10UH 50 265MA 1 40HM 52MM AL0203 1 T8 2ILAAK MA2 34 R100J2 0EX COIL PL 10 UH 5 6 6 TS 21LAAK MA2 34 R100J2 0EX T8 21LAAK MA2 36 020 0 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0050 B00 41 WJ0055 B00 41 WJ0055 B00 41 WJ0055 B00 41 WJ0060 B00 41 WJ0060 B00 41 WJ0060 B00 TCL41 WJ0050 B00 WIRE BAR TCL41 WJ0050 B00 WIRE TCL41 WJ0050 B00 WIR TCL41 WJ0050 B00 WIR PER 5 TCL41 WJ0050 B00 WIRE BARI PER 5 TCL41 BOO WIR TCL41 WJ0050 B00 WIR TCL41 WJ0050 B00 WIRE BARI PER 5 WIRE BARE 0 la 1 lt PER 5 PER 5 PER 5 12 J IU c t 2 3 23 WIRE BARE WIRE BARE WIRE BARE TB 21LAMK MA2 M1 NJO065 BOO IR N 20 TB 21LAMK MA2 MI NJO065 BOO IR N pos 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0075 B00 41 WJ0080 B00 41 WJ0085 B00 41 WJ0085 B00 41 WJ0085 B00 41 WJ0085 B00 41 WJ0085 B00
59. R9MM WIREBAREJUMPERO 5MM WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER 10M WIREBARE JUMPER 1 0M WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER 1 0M WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER LOM WIREBARE JUMPER 1 OM WIREBARE JUMPER LOM WIREBARE JUMPER 1 0M WIREBARE JUMPER LOM WIREBARE JUMPER LOM JUMPER 1 1M WIREBAREJUMPER12 5 WIREBARE JUMPER 12 5 WIREBARE JUMPER 12 5 WIREBARE JUMPER 15MM WIREBARE JUMPER 15MM WIREBARE JUMPER 15MM WIREBARE JUMPER 15MM WIREBARE JUMPER 17MM P401 T8 21LAAK MA2 62 227680 00 T8 21LAAK MA2 62 221680 1UA TV RAW SUPPORT CABLE CHASSIS 000000 TV RAW SUPPORT CABLE FBT 01 00 00 REN 66 343730 0 0 66 343730 0B0 66 343730 080 66 343740 0 0 67 H27292 2A0 HOLLOW RIVET 1 6MMX3 OMMX3 2MM FOR Q402A HOLLOW RIVET 1 6MMX3 OMMX3 2MM FOR T401 HOLLOW RIVET 1 6MMX3 OMMX3 2MM FOR L451 HOLLOW RIVET 2 5MM FOR P401 HEAT SINK T8 21LAAK MA2 18 CB0102 JNX RES C F OHM 1 6W 58 T8 21LAAK MA2 25 DFA479 M1XR CAP ELEC 4 7UF 50V 20 C452 18 0471 1 18 0471 10 79C9V1 DBX 18 0180 15 18 CB0103 NX 26 221 1 5 26 333 5 26 EBP333 KBS T8 21LAAK MA2 40 00NX56 MAPIX
60. REBARE JUMPER 12 J IU T8 21LAAK PW2 46 10962W 02XG PIN BASE 2 TJC2 2A J820 CN802 T8 21LAAK PW2 50 040000 10516 FUSE T4AL 250V T8 21LAAK PW2 l64 P30080 1046 M C SCREW P 3 X 8 FOR Q801 T8 21LAAK PW2 66 20517 087 FUSE HOLDER FOR F801 T8 21LAAK PW2 66 343730 080 HOLLOW RIVET 1 6MMX3 OMMX3 2MM FOR T801 T8 21LAAK PW2 66 343730 080 HOLLOW RIVET 1 6MMX3 OMMX3 2MM FOR C824 T8 21LAAK PW2 66 343740 0 0 HOLLOW RIVET 2 5MM FOR C803 Y801 FOR Y801 RES M F 27K OHM 1 68 1 D PR A V 18V BZX79C18 TO C847 TO C847 TS 21FISAK MA3HM T8 21FIAK KE JASS Y KEY TS 21FIAK KEl _ 48 001 0 TS 21FIAK KEl 48 001 0 TS 21FIAK KEl 48 001 0 TS 21FIAK KEl 48 001 0 TS 21FIAK KE 48 001 0 IT8 21FIAK KE1 48 001 0 TACT SWITCH K001 T8 21F1AK KEI 62 226920 0HA TV RAW HOLDER LED 01 00 R N FOR 1 18 2 1 02 01 7 RECEIVER 37 9KHZ 5 N HM338A IROI T8 21F1AK KEI 11 5 1815 TR 50VV 150MA A NPN 0 4W 80MHZ 10 92 25 0001 T8 21F1AK KEI 14 LEDOSR XX1 LED RED FB205 D00 T8 21F1AK KEl ES C F 10 OHM 1 6W 5 8 21 1 1 ES IK OHM 1 6W 5 T8 21F1AK KEl ES 10K OHM 1 6W 5 8 21 1 1 ES 470 OHM 1 6 5 18 21 1 18 0561 7
61. T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 T8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 8 21LAAK PW2 13 NCP133 7PP 13 PC123X 9YP 18 CB0103 J 18 0122 18 CB0153 CB0183 J 0222 0331 0470 B0821 J E0100 J D0470 J E0332 J B0223 F D0184 F 0102 F0271 J F0680 J 8 60183 8 0223 8 FG0569 8 FH0473 8 KE0105 8 KE0475 8 KF0825 gt IO 522 gt lt lt mm C 2 gt lt re gt lt lt Tj gt lt N gt lt lt gt gt lt gt lt mm gt lt 20120 c gt lt lt mm gt lt mm mm gt lt gt lt ele 2 2 gt lt lt RES 10K OHM 1 64 5 ES 2 2K OHM 1 61 5 ES 330 OHM 1 64 5 ES 47 OHM 1 6W 5 ES 820 OHM 1 61 5 CLI8 DB0223 FNX RES M F 22K OHM 1 6W T RES M F 180K OHM 1 4W 1 ESISTOR METAL OXIDE FILM IKOOHM 5 1 2W R RES M O F 1 OW 270 OHM 5 RESISTOR 680HM 5 1W RSIFS R R R R R
62. Thermal Yok TW ATA N Q e 4700 2 0 1 R2 R1 Ly Ly recommended 505 d 20us 4 1 4 Application Hints For calculations treat the IC as an op amp where the feedback loop maintains V4 V7 4 STMicroelectronics Confidential 5 14 Application Hints STV8172A 4 1 1 1 Centering Display will be centered null mean current in yoke when voltage on pin 7 is R4 is negligible R V md 2 7 2 4 1 1 2 Peak Current 2 Example for V 2 V 5 Ip Choose in the1 Q range for instance 1 Q 2xl5 xR VM Vm Then choose or For instance if R gt 10 then 15 From equation of peak current Finally the bias voltage on pin 7 should be 7 2 41 2 Rejection When both ramp signal and bias are provided by the same driver you can gain natural rejection of any ripple caused by a voltage drop in the ground see Figure 5 if you manage to apply the same fraction of ripple voltage to both booster inputs For that purpose arrange an intermediate point in the bias resistor bridge such that and connect the bias filtering capacitor between the intermediate point and the local driver ground Of course should be connected to the booster reference point which
63. WPB Adjust to right value BLOC 8 Black level offset course BLOC Adjust to right valuege Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 8 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab Screen background is black with No signal BrivSD 32 Brightness of horizontal line when Adjust to right valuege adjust G2 SUBB 32 Brightness Same as user Brightness SubCON 32 Contrast and Contrast adjust BLOR Y 64 YUV R OFFSET 64 offset value 0 63 offset BLOG Y 62 YUV G OFFSET value 1 65 offset value BLOB Y 64 YUV OFFSET 1 Adjust to right value BRTC 32 BRIGHT CENTET Adjust to right value 3 5 Picture Geometry adjustment 3 5 1 Vertical geometry adjustment 1 Input a PAL crosshatch pattern signal to RF input 2 Enter P Mode press key 1 to select vertical geometry adjustment The OSD menu for this adjustment as below table 3 5 1 For NTSC signal the 50 will replace with 60 3 Adjust the value of the corresponding item to make the vertical geometry of the pattern look good 4 Apply NTSC signal to adjust these value for NTSC vertical geometry Table 3 5 1 The vertical geometry adjustment OSD menu setup and option page 1 OSD menu Default Value Description Remark VSLOPE 50 32 Vertical slope VS Adjust to right value VCEN 50 32 Vertical shift
64. any kind on the television set 6 Ifthe television set has been dropped or the cabinet has been damaged unplug this television set from the wall outlet and refer servicing to qualified service personnel 7 liquid has been spilled into the television set unplug this television set from the wall outlet and refer servicing to qualified service personnel 8 Do subject your television set to impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use damp cloth for cleaning 10 1 Do not place this television set on an unstable cart stand or table The television set may fall causing serious injury to a child or an adult and serious damage to the appliance Use only with a cart or stand recommended by the manufacturer or sold with the television set Wall or shelf mounting should follow the manufacturer s instructions and should use a mounting kit approved by the manufacturer 10 2 An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overturn PROTECTION AND LOCATION OF YOUR SET 11 12 13 14 not use this television set near water for example near a bathtub washbowl kitchen sink or laundry tub in a wet basement or near a swimming pool etc Neve
65. d SHINN 46 MIL Quo e auo T LNY 7 1 j al 5 a 4 t T T N eri z 9 8 Ve 1 5 i 1280 1 4 21 a 1 5 a i 4 l 1 e E 3 e E 171809
66. dentical to the AV 110 concept The only difference that it does not contain an East West and Scan Velocity Modulation SVM output This concept is intended for 90x picture tubes Mono 110 concept The functional content of this concept is comparable with that of the AV 110 concept however it has just stereo input switch and no audio control circuit The block diagram is given in Figure 1 Mono 90 concept This concept is intended for 90x picture tubes The circuit has an audio switch for mono signals but the mono inputs can also be used as a stereo input In this range most of the video and audio processing features have been omitted Also this concept can be supplied with one of the two micro processors UOCTOP 1PTXT or UOCTOP OSD version The block diagram is given in Figure 2 The most important features of the complete IC series are given in the following feature lists All packages are according to the ROHS legislation which also means that these packages are lead free The ICs have supply voltages of 8V 5V and 3 3V UOC TOP 84 is supported by a comprehensive Global TV Software Development kit to enable easy programming and fast time to market see also Section 20 4 Licenses founded by Philips NXP Semiconductors UOC TOP 64 N1 series 2 Features Signal processor for CRT TV 2 1 Analog Video Processing 2 1 4 Overview of available features AV 110 90 and Mono 110 concept Document ID Multi standard
67. eded to adjust the geometry of NTSC signal any more 3 6 Producing parameter setup and option 1 Enter P Mode press key 4 to select page 4 5 the corresponding item to require value See below table 3 6 1 for detailed description Table 3 6 1 Producing parameter setup and option page 4 OSD menu Default Value Description Remark 0 Aging mode off WARM UP STATUS 0 Set aging mode 1 Aging mode SHOP INIT 0 Set the shopping status 0 gt 1 Set the shopping status DCXO 2 Crystal Adjust this to get the max frequency adjustment color synchronization range 0 HOTKEY off FACTORY HOTKEY 1 Set factory hotkey 1 FACTORY HOTKEY on POWER ON MODE LAST Set the power on mode ON On when power Chassis Name NX56 LA Serial No Issued 2008 05 19 Page Page 10 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab STB Standby when power on LAST Last power off status EEPROM INIT 0 EEPROM initial 0 gt 1 Active EEPROM initial BRI CURVE gt gt gt gt gt gt Brightness curve Adjust this value CONCURVE gt gt gt gt gt gt Contrast curve Adjust this value COL CURVE gt gt gt gt gt gt Color curve Adjust this value VOL CURVE gt gt gt gt gt gt Volume curve Adjust this value AV no signal within 10 1 1 Enable O
68. essional service technician It is normal for some TV sets to make occasional snapping or popping sounds particularly when being turned on or off If the snapping or popping is continuous or frequent unplug the set and consult your dealer or service technician FOR SERVICE AND MODIFICATION 24 25 26 Do not use attachments not recommended by the television set manufacturer as they may cause hazards When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer that have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards Upon completion of any service or repairs to the television set ask the service technician to perform routine safety checks to determine that the television is in safe operating condition TCL Thomson Electronics R amp D Center Shen Zhen Lab KR Product Functional Specification NX56 LA 2008 5 19 Updatedon jveson TTE Corporation R amp D Center Shen Zhen Lab Disclosure Proprietary Information These drawings and specifications are the property of TCL Thomson Electronics and shall not be reproduced or copied or used as the basis for the manufacture or sale of apparatus or devices without the written permission of TCL Thomson Electronics e Version Information Version states by two Arabic Numbers which is separated by one dot e g 1 2
69. h Don t adjust use default 0 OFF 1 BSD 0 Black Stretch depth Don t adjust use default 0 15IRE 1 30IRE AAS 0 Black area to switch off the black stretch Don t adjust use default 0 12 1 20 2 6 3 8 Chassis NX56 LA Serial No Issued on 2008 05 19 Page Page 13 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab Ratio pre and aftershoot Don t adjust use default iis 0 1 1 1 1 5 1 2 2 1 RPO 1 Ratio of positive and negative peaks Don t adjust use default 0 1 1 1 1 1 3 2 1 1 7 3 1 0 7 Vottage difference between soft clipping and pwl Don t adjust use default SOC 2 0 0 above pwl level 1 5 above pwl level 2 10 above pwl level 3 soft pwl Adjust to right value accord PWL 8 Peak White Limiting with the tube Recommended value 8 Video dependtent coring peaking Don t adjust use default COR 0 0 1 coring active 0 and 20IRE 2 coring active 0 and 40IRE 3 coring active 0 and 100IRE 5 Enter P Mode press key 8 to select page 8 Set the corresponding item to require value See below table 3 6 5 for detailed description Table 3 6 5 Producing parameter setup and option page 8 OSD menu Default Value Description Remark HOTEL 0 HOTEL MODE according to 1 open O close ODF
70. he common mode current ism 56 e at peak of signal i i and i_ icm ip therefore the peak differential signal is 2 the peak peak differential signal 41 The application is described Figure 7 with DC yoke coupling The calculations still rely the fact that V4 remains equal to V7 3 8 14 STMicroelectronics Confidential A7 TDA7266SA 7W 7W DUAL BRIDGE AMPLIFIER m WIDE SUPPLY VOLTAGE RANGE 3 5 18V MINIMUM EXTERNAL COMPONENTS NO SWR CAPACITOR NO BOOTSTRAP NO BOUCHEROT CELLS INTERNALLY FIXED GAIN m STAND BY amp MUTE FUNCTIONS m SHORT CIRCUIT PROTECTION m THERMAL OVERLOAD PROTECTION CLIPWATT15 ORDERING NUMBER TDA7266SA DESCRIPTION 70 72665 is a dual bridge amplifier specially to compatible with TDA7266S 7266 designed for LCD Monitor PC Motherboard TV and TDA7266M TDA7266MA TDA7266B TDA7297SA Portable Radio applications amp TDA7297 BLOCK AND APPLICATION DIAGRAM D94AU175B April 2003 1 9 TDA7266SA ABSOLUTE MAXIMUM RATINGS Supply Voltage Vs Output Peak Current internally limited a 0 to 70 20 Tstg Tj Storage and Junction Temperature 40 to 150 THERMAL DATA Sma Thermal Resistance Junction case CAN PIN CONNECTION Top view gt MO BO
71. he reading of the color analyzer to 274 y 280 11500 4 Then measure the white side of the screen Adjust the value of RD GD and BD to set the reading of the color analyzer to 274 280 11500 K 5 Repeat step 3 amp 4 until you can get the correct reading for both black and white sides Notes 5 and SubCON items are used to assistant the white balance adjustment It is the same function as the user OSD menu Brightness and Contrast items You can adjust these items to get the expect intensity when adjusting the white balance B YUV white balance black level offset setup It is not need to adjust the white balance for YUV mode when production but the BLOR Y BLOG Y and BLOB Y items which locate in EEPROM address 0x0A OxOB and need to write in the right values to set the YUV mode black level offset before production These offset values should be written by the PE engineer when making the EEPROM copy for the new lot with difference tube Table 3 4 1 The White Balance adjustment setup and option page 3 OSD menu Default Value Description Remark RC 32 R cut off setting BLOR Adjust to right value GC 32 G cut off setting BLOG Adjust to right value BC 32 B cut off setting BLOB Adjust to right value RD 37 R drive setting WPR Adjust to right value GD 32 G drive setting WPG Adjust to right value BD 37 B drive setting
72. ightning and power line surges 18 20 OPERATION OF YOUR SET This television set should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply at your home consult your television dealer or local power company For television sets designed to operate from battery power refer to the operating instructions If the television set does not operate normally by following the operating instructions unplug this television set from the wall outlet and refer servicing to qualified service personnel Adjust only those controls that are covered in the operating instructions as improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the television set to normal operation When going on a holiday If your television set is to remain unused for a period of time for instance when you go on a holiday turn the television set off and unplug the television set from the wall outlet IF THE SET DOES NOT OPERATE PROPERLY 21 22 23 If you are unable to restore normal operation by following the detailed procedure in your operating instructions do not attempt any further adjustment Unplug the set and call your dealer or service technician Whenever the television set is damaged or fails or a distinct change in performance indicates a need for service unplug the set and have it checked by a prof
73. interference noise supply of Pin 7 from the speaker IC601 IC601 Yes Check Replace Q602 Q600 Is the waveform at P57 58 of IC201 ok Replace IC201 Check the circuit between IC601 and IC201 Colour Television Chassis NX56 Figure5 Vertical Scanning Is the signal at P1 of 01 ok Check the circuit between IC301 and 201 Check Replace IC201 Figure 6 No Picture Check CRT BD TV amp AV Check 8 Check is there haven t 200V RGB signal to Picture Ok CRT BD forom IC201 Check 44 45 P46 of 1 20 Replace IC201 and the relative circuit Check RGB signal TV has Picture AV hasn t Picture No Picture Check is there AV signal Check AV Signal to IC201 form AV input input Check IC201 AV has Picture TV hasn t Picture Check tuner working Check Q101 and Check circuit between is ok SAW filter SAW and IC201 N Check tuner TU100 03 21F1SAK BO12S T6 NROO02 ABSOX 01 5 5 T6 NRO002 ABSOX 06 NRO002 A000X RCT NX56C 1 103203 004 2202 0 02 03 2 1F LSAK BO12S T8 2 LRFLM HF4AK T8 21RFL T8 21RFL T8 21RFL I FHFAAK 44 2 LRFLM HF4A ASS Y MATCH TUBEKIT 21SLIM CRT 51 5357 440 I HFAAK T8 21RFLM FHF4AK ASS Y MATCH TUBE 252202020 4 46 26514H 04XG HS 500 13 RBGW TJC1 4Y FOR DY TO M BD P401 T8 21RFLM HF4AK T8 21RFLM MHF4AK 55 Y MATCH TUBE MAIN BD T8 21R
74. is slightly more than 2 x Vs This must be taken into consideration when setting Vs a amp Versus pin 4 V3 is higher than Vs during the first half of the flyback pulse Such repetitive output peak currents are usually observed just before and after the flyback pulse This non repetitive output peak current can be observed for example during the Switch On Switch Off phases This peak current is acceptable providing the SOA is respected Figure 8 and Figure 9 7 Input voltages must not exceed the lower value of either Vs 2 40 volts 2 Thermal Data All pins have a reverse diode towards pin 4 these diodes should never be forward biased Symbol Parameter Value Unit Junction to Case Thermal Resistance 3 C W Tr Temperature for Thermal Shutdown 150 G Tj Recommended Max Junction Temperature 120 2 14 STMicroelectronics Confidential STV8172A Electrical Characteristics 3 Electrical Characteristics 34 V 25 unless otherwise specified Symbol Parameter Test Conditions Min Unit Fig Supply Vs Operating Supply Voltage Range V2 V4 Note 8 10 35 V l2 Pin 2 Quiescent Current 13720 1572 0 5 20 mA 1 lg Pin 6 Quiescent Current 0 15 0 Vg 235v 8 19 50 mA 1 Input l4 Input Bias Current V1 1 V V 222V 0 6 1 5 pA 1 l In
75. is the ground side of R4 Figure 5 Ripple Rejection 6 227 Flyback Generator Reference Power Voltage Amplifier E 7 p Rg 2 2 Thermal 777 Safety 1 Rd 3 4 gt Yoke Ly Signal R3 Driver Source of Ripple Ground 77 25 02 C O SPE gt 6 14 STMicroelectronics Confidential 4 STV8172A Application Hints 4 2 AC Coupled Applications In AC coupled applications See Figure 6 only one supply Vs is needed The vertical position of the scanning cannot be adjusted with input bias for that purpose usually some current is injected or sunk with a resistor in the low side of the yoke Figure 6 AC coupled Application O Vs Output A70uF y 47 to 100 Voltage 6 3 2 Flyback Output Generator Current Power Amplifier T gt 7 T 2 5 M O 1 Thermal 5 recommended Ly Rd Ly R2
76. m of IC201 Horizontal Scanning Section The horizontal drive signal send out from pin 56 of IC201 Q401 is horizontal driving transistor coupled by horizontal driving transformer T402 to control the horizontal output transistor working in switch on and off situation get good linearly and enough amplitude of saw tooth wave current to drive horizontal deflection yoke scanning L456 is horizontal width coil and L458 is horizontal linearly coil D455 is damping diode C453 C455 C457 are retrace capacitors T401 is FBT Pin2 of T401 is B voltage input Pin 10 of 7401 get 200 Volt video amplifying voltage supply for CRT board Pinll of T401 sends out heater voltage supply for CRT heater Horizontal Seeaning Section YR se 24084 m i Sach ph 227 1401 8 ui D Rha A R418 5 pale PPI II 4 0 06 32005 091 735 5 1 D E p e 5455 e 6457 cass crasa 1R Ed 7 8425 8 8 22008 T 2 5 5 La Los f 2281 Da ta Raza screen 68 a 22k gt H moe n CND ae 48 1 1 page R428 R410 27 5 WO 0 PS Q9 D406 mos 1 10 N4148 En qu lesa pjang
77. nt page list on P Mode RC key Item Description 0 Screen voltage adjustment 1 Picture Geometric adjustment 1 Vertical geometry 2 Picture Geometric adjustment 2 Horizontal geometry 3 White Balance Adjustment 4 Setup 1 5 Setup 2 6 Setup 3 7 Setup 4 8 Setup 5 Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 4 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab 2 Bus OFF Press this key to enter or exit BUS OFF mode AT DISPLAY STATE SCREEN DISPLAY Display software version 2 Flowchart of alignment procedure Parameter setup White balance Adjustment B adjustment Electrical RF AGC properties adjustment checking for Adjustment of screen voltaget chassis Adjustment of focus voltage PAL geometry NTSC Set shopping QC checking adjustment geometry status adjustment 1 Adjustment 2 RF AGC Adjustment 3 Screen amp Focus adjustment 4 White balance adjustment 5 Producing parameter setup and option 6 Picture Geometry adjustment Vertical first 7 Set Shopping status 8 QC Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 5 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab 3 Adjustment description Notes
78. ode EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT NEC SECTION 1 810 20 GROUNDING CONDUCTORS SECTION810 21 ELECTRIC SERVICE EQUIPMENT GROUND CLAMPS ____ POWER SERVICE GROUNDING NEC NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM NEC ART 250 PART H 15 2 Note to CATV system installer Only for the television set with CATV reception This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal For added protection for this television set during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna This will prevent damage due to l
79. ogrammed ROM maximum of 3 k x 8 bit Auxiliary RAM 2 byte level bus interface Interrupt controller for individual enable disable with two level priority Two 16 bit Timer Counter registers One 24 bit Timer 16 bit timer with 8 bit Pre scaler 16 bit Data pointer WatchDog timer Auxiliary RAM page pointer Stand by Idle and Power Down modes Up to 13 general purpose pins 14 bits PWM for Voltage Synthesis Tuning 8 bit A D converter with 4 multiplexed inputs 4 PWM 6 bits outputs for analogue control functions 2 3 Data Capture Teletext and Closed Caption devices Document ID Text memory for 1 page Inventory of transmitted Teletext pages stored in the Transmitted Page Table TPT and Subtitle Page Table SPT Data Capture for US Closed Caption Data Capture for 525 625 line WST VPS PDC system A and 625 line Wide Screen Signalling WSS bit decoding Automatic selection between 525 WST 625 WST Automatic selection between 625 WST VPS on line 16 of VBI Real time capture and decoding for WST Teletext in Hardware to enable optimized m processor throughput Automatic detection of FASTEXT transmission Real time packet 26 engine in Hardware for processing accented G2 and G3 characters Signal quality detector for video and WST VPS data types Comprehensive teletext language coverage Vertical Blanking Interval VBI data capture of WST data NXP B V 2007 All rights reserved Product data sheet Re
80. or characters 64 software redefinable On Screen display characters G1 Mosaic graphics Limited G3 Line drawing characters WST Character sets and Closed Caption Character set in single device Curtaining effect via software Fringing Shadow selectable from N S E W direction Fringe color selectable Contrast reduction of defined area with option of coloration Programmable Cursor Special Graphics Characters with two planes allowing four colors per character NXP B V 2007 All rights reserved Product data sheet Rev 0 11 25 January 2007 5 of 230 NXP Semiconductors UOC TOP 64 N1 series Signal processor for CRT TV 3 Quick reference data Table 1 Quick reference data SYMBOL PARAMETER MIN TYP MAX UNIT Supply Vp analogue supply voltage VSP 4 7 5 0 5 3 V Ip supply current 5 0 V 160 mA VppA digital supply VSP analogue supply periphery 3 0 3 3 3 6 V IppA supply current 3 3 V 90 version 50 mA IppA supply current 3 3 V AV110 90 and Mono110 versions 70 mA 1 audio supply voltage 4 7 8 0 8 4 V 1 supply current 5 0 8 0 V mono 90 version 0 5 mA IPAudio supply current 8 0 V AV 110 90 and mono 110 version 10 mA total power dissipation E 1 1 Input voltages VivIFrms video IF amplifier sensitivity RMS value _ 75 150 uV VissiF rms sound IF amplifier sensitivity RMS value 1 0 mV ViaUDIO rms external audio input RMS value 1 0 1
81. put Bias Current V4722 2V 1 V 06 1 5 Operating Input Voltage Range 0 Vs 2 V Vio Offset Voltage 2 mV Offset Drift versus Temperature 10 6 Output lo Operating Peak Output Current 0 lt Tcase lt 125 C 1 5 VaL Output Saturation Voltage to pin 4 15 1 5 1 1 7 3 Output Saturation Voltage to pin 6 l5 1 5 1 8 2 3 2 Stand by Output Voltage in Stand by din Mos Vs 2 Miscellaneous G Voltage Gain 80 dB Vps Diode Forward Voltage Between pins 5 6 15 1 5 1 8 2 3 V Vp3 2 Diode Forward Voltage between pins 3 2 13 1 5 1 6 2 2 V VasL Saturation Voltage on pin 3 13 20 mA 0 4 1 V 3 VasH Saturation Voltage to pin 2 2nd part of flyback 13 1 5 2 1 2 8 V 8 In normal applications the peak flyback voltage is slightly greater than 2 x Vs V4 Therefore Vs V4 35 Vis not allowed without special circuitry 9 Refer to Figure 4 Stand by condition 4 STMicroelectronics Confidential 3 14 Electrical Characteristics STV8172A Figure 1 Measurement of l l and lg 5 STV8172A 7 5 10 b 4 a 2 and 16 measurement L 5 6 7 1V b 11 measurement 2 Figure 2 Measurement of V54
82. r expose the set to rain or water If the set has been exposed to rain or water unplug the set from the wall outlet and refer servicing to qualified service personnel Choose a place where light artificial or sunlight does not shine directly on the screen Avoid dusty places since piling up of dust inside TV chassis may cause failure of the set when high humidity persists The set has slots or openings in the cabinet for ventilation purposes to provide reliable operation of the receiver to protect it from overheating These openings must not be blocked or covered Never cover the slots or openings with cloth or other material Never block the bottom ventilation slots of the set by placing it on a bed sofa rug etc Never place the set near or over a radiator or heat register Never place the set in a built in enclosure unless proper ventilation is provided PROTECTION AND LOCATION OF YOUR SET 15 1 If an outside antenna is connected to the television set be sure the antenna system is grounded so as to provide some protection against voltage surges and built up static charges Section 810 of the National Electrical Code NFPA No 70 1975 provides information with respect to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electr
83. rough filtering network and rectifying circuit and get 300Vdc voltage LF801 LF801A and CX802 makes up a differential mode rejection LF802 and CY801 CY802 makes up a common mode rejection network 0801 0804 is rectifying network 300Vdc voltage supply pin3 of T801 also through R804 send to pin8 of IC801 NCP1337 Pin5 of IC801 sends out the PWM signal to control Q801 working in switch on and off situation IC803 is optocoupler 300v E 27 52 Toner Supply Section carr 12 vellage ix Eor borizental scanning Load 33v for Tuner toning Hav and 14V is for the vertical scarming IC te Audio 147 is for sudio amplifier 904900 2 EA R 0054 8 e 4 KO04A y d 94 2000000 99 24 8 aum 14 8067 106 V3uv 3
84. switchable centre frequency depeaking variable positive negative peak ratio variable pre overshoot ratio and video dependent coring dynamic skin tone control gamma control and blue and black stretching All features are available for CVBS Y C and RGB YPsgPn signals W The effect of the various features can de demonstrated by means of a split screen mode in which the features are activated in one half of the picture and switched off in the other half m Switchable DC transfer ratio for the luminance signal m Tint control for external RGB YPgPg signals W Contrast reduction possibility during mixed mode of OSD and Text signals Option to make a colored and in contrast reduced window m RGB control circuit with Continuous Cathode Calibration white point and black level off set adjustment so that the color temperature of the dark and the light parts of the Screen be chosen independently When this Continuous Cathode Calibration is not used simple alignment of the cutoff level is possible m Adjustable wide blanking of the RGB outputs W Horizontal synchronization with two control loops and alignment free horizontal oscillator W Vertical count down circuit m Vertical driver optimized for DC coupled vertical output stages W Horizontal and vertical geometry processing with horizontal parallelogram and bow correction and horizontal and vertical zoom m The IC can be used as front end for Progressive Scan or LCD TV
85. t Ground Or Negative Supply Flyback Generator Supply Voltage Input Inverting Tab connected to pin 4 Flyback Generator Supply Voltage 3 2 Flyback Generator Thermal Protection Ground or Negative Supply August 2003 Revision 1 0 ADCS No 7564264 STMicroelectronics Confidential 1 14 This is preliminary information on a new product now in development Details are subject to change without notice Absolute Maximum Ratings STV8172A 1 Absolute Maximum Ratings Symbol Parameter Value Unit Voltage Vs Supply Voltage pin 2 Note 1 and Note 2 40 V Vs Vg Flyback Peak Voltage Note 2 70 V V3 Voltage at Pin 3 Note 2 Note 3 and Note 6 0 4 to Vs 3 V V4 V7 Amplifier Input Voltage Note 2 Note 6 and Note 7 0 4 to Vs 2 40 V Current lo 1 Output Peak Current at f 50 to 200 Hz t lt 10us Note 4 5 lo 2 Output Peak Current non repetitive Note 5 2 Sink Sink Current t 1ms Note 3 2 A Source Source Current t 1ms 2 A l3 Flyback pulse current at f 50 to 200 Hz t 10us Note 4 5 ESD Susceptibility ESD1 Human body model 100 pF discharged through 1 5 2 kV ESD2 EIAJ Standard 200 pF discharged through 0 300 V Temperature Ts Storage Temperature 40 to 150 Tj Junction Temperature 150 Note 1 Usually flyback voltage
86. t the right of turn off the TV Q507 is turn on the current across D501 D502 and D503 send to R G B to discharge the electronic quickly 1 10K me 505 1 T T 180 5 P50 tv 4 9501 A 5 gt 990 H V 504544 8501 d 28 FOCUS A CND 04 E 501815 a he 5501 27 16 98 186 8553 s D504 1 144001 604 1510 2 _ 9 R503 g Soop 2708 e e 6 em gt 7 8 3 62 504544 KR 5 0501 550 3 By 2 2 91 1 1 B 9504 R517 wa L 18K 2 2505 4 D502 0508 4 5 7 23 sra rh 184148 4748 5eoR m 5502 m 2 6512 sL 3 5300 moe 8508 76 2704 J E Oy 0507 aK 0505 8 570 AK U R510 c 560 DA 511 1 8555 50 zx 5609 1 P501 5 Te LJ 12 36 1 8531 C503 9 C504 d S ne 8515 100 2708 e Audio Power Amplifying Section C601 72665 z Q bii 55582 88 52 8 2 8 NERA AN A P602 OG Li Qo 444424 99 2 s
87. to adjust the geometry of NTSC signal any more 3 Enter P Mode press key 6 to select page 6 Set the corresponding item to require value See below table 3 6 3 for detailed description Table 3 6 3 Producing parameter setup and option page 6 OSD menu Default Description Remark Value AGCT 32 AGC take over point 5 AGC alignment for detailed OIF 32 IF demodulator offset Don t adjust use default IF 45 7 IF frequency Select the IF frequency AGCS 1 AGC speed Don t adjust use default AGNE 3 Audio gain Don t adjust use default WATCHDOG 8 Don t adjust use default BLUE BLACK 0 No signal background O BLUE OPT color set 1 BLACK 4 Enter P Mode press key 7 to select page 7 Set the corresponding item to require value See below table 3 6 4 for detailed description Table 3 6 4 Producing parameter setup and option page 7 OSD menu Default Description Remark Value EVG 0 Enable vertical guard RGB blanking 1 RGB blanking DFL 0 Disable flash protection from defletion timer Don t adjust use default XDT 0 X ray detection Don t adjust use default AKB 1 Black current stabilization 0 AKB NBL 1 Black current loop application 1 AKB OFF Adjust to right value accord CL 10 Set the cathode drive level with the tube Recommended value 12 Don t adjust CC LINE 21 CC s line BKS 1 Black Stretch Switc
88. v 0 11 25 January 2007 4 of 230 NXP Semiconductors UOC TOP 64 N1 series Signal processor for CRT TV 2 4 Display 2 4 1 2 4 2 Document ID Features of the OSD only devices Up to 4 character sets with 256 characters each size 16 pixels x 18 lines Enhanced OSD modes 50Hz 60Hz display timing modes Serial and Parallel Display Attributes Single Double Width and Height for characters Scrolling of display region Variable flash rate controlled by software Enhanced display features including overlining underlining and italics Soft colors using CLUT with 4096 color palette Global selectable matrix 12 16 By attribute selectable 1 5x characters 18 24 Globally selectable character spacing Fringing Shadow selectable from N S E W direction Fringe color selectable Contrast reduction of defined area with option of coloration Programmable Cursor Special Graphics Characters with two planes allowing four colors per character Features of the Teletext and Closed Caption devices Four character sets Up to 576 characters with a size of 12 pixels x 16 lines are supported Teletext and Enhanced OSD modes 50Hz 60Hz display timing modes Serial and Parallel Display Attributes Scrolling of display region Variable flash rate controlled by software Soft colors using CLUT with 4096 color palette Global selectable matrix 12 Features of level 1 5 WST and US Close Caption Single Double Quadruple Width and Height f
89. when turn off switch Released by Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 3 of 15 Updated on 2010 01 27 Version 2 2 TCL THOMSON Electronics R amp D Center Shen Zhen Lab 1 1 The way to enter P Mode a Method one A Switch on the TV set B Press the MENU key on RC to show the PICTURE OSD menu C Move the cursor to Contrast item then press the 9 7 3 5 key continuously on RC within 3 seconds then enter P Mode The P letter will appear on the left low corner of the screen when enter P Mode Also the FACTORY HOTKEY will be set to ON 1 Y b Another method Press the RECALL key on RC to enter P mode directly Notes 1 This will be active only when the FACTORY had set to 1 2 When the power on with FACTORY had set to ON 1 the set will enter the P Mode automatically 1 2 Exit the P Mode Press the RECALL or MENU key on RC to exit the P Mode 1 3 Keys function on RC at the P Mode Use the RC to navigate in P Mode Press 0 to 9 key to select factory adjustment page Press V key to select option Press gt 4 key to adjust or select option Press DISPLAY key to display software version Press MENU key to exit the P Mode Press RECALL key to enter or exit the P Mode All change in P Mode will be saved in EEPROM automatically 1 4 The adjustme

SERVICE MANUAL MODEL: 21F1 CHASSIS: NX56E-LA

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