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MANUAL DE SERVICE

BT2909S (29M63)

CHASIS NX-56 VERSION G

BT2909S

Cod. P.T.

PNE040084

Serie DCD5

EW0

Total: 29” (74 cm)

Tamaño de pantalla

Visible: 27” (68 cm)

Tensión de alimentación

110 – 240 VCA

Máximo: 105

Consumo

(W)

Stand by: <3

Entradas

Sintonizador PAL-N/M, NTSC,

2xAV, YPbPr, S-Video

Alto: 631,0

Ancho: 850,0

Dimensiones

(en milímetros)

Prof.: 435,0

Peso neto

43 Kg

Содержание 29M63

Страница 1: ...NE040084 Serie DCD5 EW0 Total 29 74 cm Tama o de pantalla Visible 27 68 cm Tensi n de alimentaci n 110 240 VCA M ximo 105 Consumo W Stand by 3 Entradas Sintonizador PAL N M NTSC 2xAV YPbPr S Video Alt...

Страница 2: ...ciones 3 Especificaciones 7 Men de service 11 Diagrama en bloques 20 Funcionamiento general 21 Placas de circuito impreso 28 Circuitos esquem ticos 35 Listado de componentes 42 Hojas de datos 47 Vista...

Страница 3: ...alir del menu de service se debe llevar el valor FACTORY HOTKEY del menu 4 a 0 Despues de esto se debe apagar el televisor volver a encenderlo y presionar el boton Menu para verificar que se accede al...

Страница 4: ...of uninsulated 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 i...

Страница 5: ...nnel 8 Do not 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...

Страница 6: ...porting 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...

Страница 7: ...21 If you are unable to restorenormal operation by following the detailedprocedurein your operating instructions do not attempt any further adjustment Unplug the set and call your dealer or service te...

Страница 8: ...de Screen Switching Comb filter Picture Enhancement LTI CTI Black Stretch Dynamic Skin Others Picture Control General Brightness X X Sharpness X X Contrast X X Tint X X Color X X Picture Control Speci...

Страница 9: ...lish Portugal Espanol English Portugal Espanol Features General AT Biological Clock Calendar Clock Channel Swap X X Channel Naming Child Lock X X Favorite Channel X X Game Hotel Mode X X High Sensitiv...

Страница 10: ...BS Component In YPbPr Cinch for 50Hz In Y C Cinch CVBS Stereo 1 1 1 2 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 1 follow TV Y...

Страница 11: ...U Indication on BACKOVER Made in in family sheet FCC Elect Shock Caution Label CE Elect Shock Caution Label Warning Label Others Miscellaneous Mains Voltage 100 240V 100 240V Mains Frequency 50 60Hz 5...

Страница 12: ...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...

Страница 13: ...justment Parameter setup White balance Adjustment Aging Adjustment of focus voltage Adjustment of screen voltaget PAL geometry adjustment NTSC geometry adjustment Set shopping status QC checking 1 B A...

Страница 14: ...s must be connected and inserted 2 Main voltage is at 220VAC 50Hz voltage range 110VAC 240VAC 50Hz 3 Connect a voltmeter to B Cathode of D808 and switch on the set 4 Input Philips test pattern signal...

Страница 15: ...ss 6 key on RC to select AGCT C Adjust the AGCT value until the hint display AGC just change between 0 and 1 3 3 Screen Focus adjustment Notes Alignment below should be done after 15 minutes warm up o...

Страница 16: ...WPB Adjust to right value BLOC 3 Black level offset course BLOC Recommended value 8 PWL 8 Peak White Limiting Don t adjust use default BriVSD 32 Brightness of horizontal line when adjust G2 Don t adj...

Страница 17: ...w table 3 5 2 For NTSC signal the 50 will replace with 60 3 Adjust the value of the corresponding item to make the horizontal geometry of the pattern look good 4 Apply NTSC signal to adjust these valu...

Страница 18: ...n mode LAST Last power off status EEPROM INIT 0 EEPROM initial 0 1 Active EEPROM initial 2 Enter P Mode press key 5 to select page 5 Set the corresponding item to require value See below table 3 6 2 f...

Страница 19: ...shed 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 to...

Страница 20: ...t adjust 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...

Страница 21: ...Coupler IC803 R G B P201 Tuner TU101 IF AMP Q101 SAW Z2O1 Pin44 46 V AMP IC301 STV8172A Pin14 15 VDA B SCA SDL EEPROM IC001 Pin 56 H OUT H Driver AMP Q401 Q402 P901 TV AV SV B FBT T401 200V 24V 6 3V...

Страница 22: ...fferent UOC The UOC for Latin America have CCD Chip and BTSC function so added AN5832SA to realize BTSC but the UOC for Asia Pacific region does not have the two functions but SECAM system is necessar...

Страница 23: ...nd 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 fo...

Страница 24: ...processing get the color video broadcast signal and 2nd sound IF signal Video signal processing section is CVBS across video filter and delay line and horizontal vertical synchronous separation circu...

Страница 25: ...ng 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 lin...

Страница 26: ...r 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...

Страница 27: ...LF801A and CX802 makes up a differential mode rejection LF802 and CY801 CY802 makes up a common mode rejection network D801 D804 is rectifying network 300Vdc voltage supply pin3 of T801 also through...

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Страница 41: ...K401 40 29M76S DPB1XG A C B D R411 3 9 2W R412 3K3 2W L405 170UH C432 0 15UF C431 0 56UF C433 0 68UF C435 0 39UF L406 1000UH L407 15mH C434 9200P D411 FR104 D410 FR104 R440 3 9 2W...

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Страница 43: ...LX0 B121 MALLA DE ALAMBRE DE MASA TRC 29 1 UN ENSAMBLE E 42 61608F XX1G SPEAKER YDP616 5A PARLANTE YDP616 5A 2 UN SP601 SP602 ENSAMBLE E 46 35197H 02XG HS 2P22 700 7 TJC3 2Y CABLE CON CONECTOR HEMBRA...

Страница 44: ...NPN 120V 1A 1 UN Q401 MAIN A 11 TA124E 0BX TRANSISTOR DTA124ESA TRANSISTOR DTA124ESA PNP 100mV 100mA 1 UN Q805 MAIN A 11 TC144E 0BX TRANSISTOR DTC144ESA TRANSISTOR DTC144ESA NPN 100mV 100mA 2 UN Q301...

Страница 45: ...C412 MAIN A 26 AKC331 KBX CAP CER 330 pF 1KV 10 CCD 330 PF 1000V 10 1 UN C817 MAIN A 26 AKC471 KRX CAP CER 470 pF 1KV 10 CCD 470 PF 1000V 10 1 UN C805 MAIN A 26 AKC472 MEX CAP CER 4700 pF 1KV 20 CCD 4...

Страница 46: ...18 FG0183 JHX RES M O 18K OHM 2W 5 RF OM 18K OHM 2W 5 1 UN R814 MAIN M 18 FG0223 JSX RMOF 2W 5 22K RF OM 22K OHM 2W 5 1 UN R837 MAIN M 18 FG0339 JSX RMOF 3 3OHM 5 2W R Y RF OM 3 3 OHM 2W 5 1 UN R425A...

Страница 47: ...2 G MAIN M T8 DM63SAE BT1 ASS Y BTSC BDEQU MODULO BTSC 29 1 UN P601 MAIN PCB 40 00NX56 MAG1XG TV PCB MA BD R Y CIRCUITO IMPRESO FENOLICO SIMPLE FAZ MAIN 40 00NX56 MAG1XG 1 UN TAPA TRASERA E 55 BM62RC...

Страница 48: ...ot contain an East West and Scan Velocity Modulation SVM output This concept is intended for 90 picture tubes Mono 110 concept The functional content of this concept is comparable with that of the AV...

Страница 49: ...pplication 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 whi...

Страница 50: ...tion with two control loops and alignment free horizontal oscillator Vertical count down circuit Vertical driver optimized for DC coupled vertical output stages Horizontal and vertical geometry proces...

Страница 51: ...ing 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 Text memory for 1 page Inventory of transmitt...

Страница 52: ...f coloration Programmable Cursor Special Graphics Characters with two planes allowing four colors per character 2 4 2 Features of the Teletext and Closed Caption devices Four character sets Up to 576...

Страница 53: ...A IPAudio supply current 8 0 V AV 110 90 and mono 110 version 10 mA Ptot total power dissipation 1 1 W Input voltages ViVIFrms video IF amplifier sensitivity RMS value 75 150 V ViSSIF rms sound IF amp...

Страница 54: ...AL GEOMETRY EAST WEST AGCOUT VIFIN C2 C3 C4 CVBS4 Y4 H OUT PEAKING SCAN VELOCITY RGB YP R P B CON BRI RO GO BO BLKIN RGB CONTROL OSD TEXT INSERT WHITE P ADJ CONTR BRIGHTN RGB MATRIX H V REF Y DELAY AD...

Страница 55: ...OUT VIFIN H OUT RGB YP R P B CON BRI RO GO BO BLKIN VGUARD RGB CONTROL OSD TEXT INSERT CCC BLACK ADJ WHITE P ADJ CONTR BRIGHTN RGB MATRIX H V REF Y DELAY ADJ SATURATION CVBS2 Y2 YSYNC IFVO SVO SOUND P...

Страница 56: ...output AVL capacitor AVL 16 16 AVL 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 2...

Страница 57: ...GO 45 Green output RO PROUT 46 46 Red output PR output RO 46 Red output BLKIN VGUARD SVM 1 6 47 black current input vertical guard scan velocity modulation output BLKIN VGUARD 1 6 47 47 black current...

Страница 58: ...onitor 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...

Страница 59: ...e of either VS 2 or 40 volts 2 Thermal Data Symbol Parameter Value Unit Voltage VS Supply Voltage pin 2 Note 1 and Note 2 40 V V5 V6 Flyback Peak Voltage Note 2 70 V V3 Voltage at Pin 3 Note 2 Note 3...

Страница 60: ...put I1 Input Bias Current V1 1 V V7 2 2 V 0 6 1 5 A 1 I7 Input Bias Current V1 2 2 V V7 1 V 0 6 1 5 A VIR Operating Input Voltage Range 0 VS 2 V VI0 Offset Voltage 2 mV DVI0 dt Offset Drift versus Tem...

Страница 61: ...2 and I6 Figure 2 Measurement of V5H Figure 3 Measurement of V3L and V5L 1V a 39kW 5 1 b I1 a I2 and I6 measurement b I1 measurement S Vs 2 6 I2 I6 4 7 2 2V STV8172A 5 6kW I5 5 1V 7 2 2V 1 4 Vs 2 6 V5...

Страница 62: ...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 4 1 1 Application Hints For calcul...

Страница 63: ...tion 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...

Страница 64: ...of the yoke 4 2 1 Application Hints Gain is defined as in the previous case Choose R1 then either R2 or R3 For good output centering V7 must fulfill the following equation or Figure 6 AC coupled Appl...

Страница 65: ...is the common mode current at peak of signal i icm ip and i icm ip therefore the peak differential signal is ip ip 2 ip and the peak peak differential signal 4ip The application is described in Figure...

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