manualshive.com logo in svg

TCL 21M62US, Service Manual, Page: 67 / 76

Share
Download
TCL 21M62US Service Manual Download Page 67

T8-21LAAK-MA2

10-79C5V6-DBX

DIODE ZENER 5V6 1/2W 5%

D201

T8-21LAAK-MA2

10-79C5V6-DBX

DIODE ZENER 5V6 1/2W 5%

D251

T8-21LAAK-MA2

11-DD5024-0CX

TR 600V 8_A NPN 35W 1.7MHZ TO-220F 3DD50 Q402A

T8-21LAAK-MA2

11-KTD863-0BX

TRANSISTOR KTD863

Q401

T8-21LAAK-MA2

11-SA1015-YBX

TR 50VV 150MA_A PNP 0.4W 80MHZ TO-92 ST2 Q601

T8-21LAAK-MA2

11-SC1815-YBX

TR 50VV 150MA_A NPN 0.4W 80MHZ TO-92 2SC Q602

T8-21LAAK-MA2

11-SC1815-YBX

TR 50VV 150MA_A NPN 0.4W 80MHZ TO-92 2SC Q210

T8-21LAAK-MA2

11-SC1815-YBX

TR 50VV 150MA_A NPN 0.4W 80MHZ TO-92 2SC Q904

T8-21LAAK-MA2

11-SC1815-YBX

TR 50VV 150MA_A NPN 0.4W 80MHZ TO-92 2SC Q903

T8-21LAAK-MA2

13-00M24C-16P

IC-EEPROM M24C16-WBN6 R=N

IC202(CP)

T8-21LAAK-MA2

13-DA7266-SAS

TCL13-DA7266-SAS= IC TDA7266SA R=N

IC601

T8-21LAAK-MA2

18-CB0100-JNX

RES. C.F. 10 OHM 1/6W +/-5%

R217

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R272

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R101

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R250

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R256

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R214

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R274

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R246

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R215

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R239

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R240

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R241

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R208

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R275

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R604A

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R603A

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R245

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R247

T8-21LAAK-MA2

18-CB0101-JNX

RES. C.F. 100 OHM 1/6W +/-5%

R102

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R302

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R303

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R415

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R614

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R228

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R242

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R271

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R409

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R253

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R252

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R927

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R928

T8-21LAAK-MA2

18-CB0103-JNX

RES. C.F. 10K OHM 1/6W +/-5%

R613

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R258

T8-21LAAK-MA2

18-CB0103-JNX

RES. C.F. 10K OHM 1/6W +/-5%

R612

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R257

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R255

T8-21LAAK-MA2

18-CB0102-JNX

RES. C.F. 1K OHM 1/6W +/-5%

R254

T8-21LAAK-MA2

18-CB0103-JNX

RES. C.F. 10K OHM 1/6W +/-5%

R238

T8-21LAAK-MA2

18-CB0103-JNX

RES. C.F. 10K OHM 1/6W +/-5%

R610

T8-21LAAK-MA2

18-CB0103-JNX

RES. C.F. 10K OHM 1/6W +/-5%

R315

T8-21LAAK-MA2

18-CB0104-JNX

RES. C.F. 100K OHM 1/6W +/-5%

R417

T8-21LAAK-MA2

18-CB0122-JNX

RES. C.F. 1.2K OHM 1/6W +/-5%

R251

T8-21LAAK-MA2

18-CB0123-JNX

RES. C.F. 12K OHM 1/6W +/-5%

R216

T8-21LAAK-MA2

18-CB0152-JNX

RES. C.F. 1.5K OHM 1/6W +/-5%

R311

T8-21LAAK-MA2

18-CB0153-JNX

RES. C.F. 15K OHM 1/6W +/-5%

R201

T8-21LAAK-MA2

18-CB0202-JNX

RES. C.F. 2K OHM 1/6W +/-5%

R407

T8-21LAAK-MA2

18-CB0222-JNX

RES. C.F. 2.2K OHM 1/6W +/-5%

R301

T8-21LAAK-MA2

18-CB0222-JNX

RES. C.F. 2.2K OHM 1/6W +/-5%

R304

T8-21LAAK-MA2

18-CB0223-JNX

RES. C.F. 22K OHM 1/6W +/-5%

R906

T8-21LAAK-MA2

18-CB0223-JNX

RES. C.F. 22K OHM 1/6W +/-5%

R903

Summary of Contents for 21M62US

Page 1: ...al Processing Introduction 29 6 PCB Layout 34 7 Scheme Diagram 36 8 Specification of Main IC 40 9 Trouble Shooting 61 10 BOM List 64 11 Explode Diagram 76 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 ...

Page 2: ...nce 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 intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance CAUTION Use of controls adjustments or procedure...

Page 3: ...onnel 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 use liquid cleaners or aerosol cleaners Use a 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 ...

Page 4: ...pporting 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 electrode 15 2 Note to CATV system installer Only for the television set with CATV reception This reminder is provided to call the CATV system attention to Article 820 40 of the NEC that pr...

Page 5: ... 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 technician 22 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 professional service technician 23...

Page 6: ...TCL Thomson Electronics R D Center Shen Zhen Lab Chassis Name Serial No Issued On Page Updated On Version Product Functional Specification NX56 LA 2008 5 19 1 of 7 1 0 ...

Page 7: ...t 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 The first number 1 means the version of approved file the second one 2 means the version of draft NX56 LA Serial No 2008 5 19 2 of 7 1 0 Page Versio...

Page 8: ...Prepared by OLSHQJ Checked by Released by Prepared by OLSHQJ Checked by Released by Revised by Checked by Released by Revised by Checked by Released by Chassis Name Issued On Updated On 3 of 7 9 6 6 0 86 9 0 6 6 6 Version 1 0 Status Comment NX56 LA 2008 5 19 Serial No Page ...

Page 9: ...Wide 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 Special Smart Pictures modes 4 modes 4 modes VM Color Temperature 3 modes 3 modes Others Picture Noise Reduction X X Picture Display CRT Type Normal Flat Pure Flat X X Super Flat Deflection system 1Fh X ...

Page 10: ...ish 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 Sensitive Notebook On Off Timer Preset X X Recall X X Rotation Sleep X X AVC Features Special V chip CCD X X Teletext Pages Others New Features Smart signal Voltage display ๗ ܝ Ẕ DV VHDUFK Tuning Features Auto...

Page 11: ...VBS 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 Cb Cr input X X Super Woofer Digital Audio Out Loudspeakers Control Busses Feature Slot ITV Smart Port Antenna in 75 Ohms F Type X X Connectors Front Side In Y C Cinch CVBS Stereo In Y C Cinch CVBS ...

Page 12: ...FU 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 50 60Hz Type Mains Cord Power Consumption TV in ON 75W 75W Power Consumption TV in Standby 3W 3W Approbation IEC65 IEC65 KDVVLV 1 Version 1 0 ...

Page 13: ...TCL THOMSON Electronics R D Center Shen Zhen Lab Chassis Name NX56 LA Serial No Issued on 2008 05 19 Page Page 1 of 15 Updated on 2010 01 27 Version 2 2 NX56 LA Chassis Alignment Procedure ...

Page 14: ...ications 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 The first number 1 means the version of approved file the second one 2 means the ve...

Page 15: ...ked by 21M63US Released by 03 DM62SAE SC31S 21M63US NX56 LA Prepared by LIPENG 2008 07 4 Checked by 21M83S Released by 03 DM83SAE SC31S 21M83S NX56 LA All NX56 LA chassis Prepared by LIPENG 2009 02 23 Ver2 0 Updated the description accord with the software changing TO NX56B Prepared by LIPENG 2009 04 10 Checked by 14N23 Released by Ver2 1 Add AKB adjust method Prepared by LIPENG 2010 01 27 Checked...

Page 16: ...TKEY had set to ON 1 2 When the power on with FACTORY HOTKEY 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 key to select option Press key to adjust or select option Press DISPLAY key t...

Page 17: ... of alignment procedure B adjustment Electrical properties checking for chassis RF AGC adjustment 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 Adjustment 2 RF AGC Adjustment 3 Screen Focus adjustment 4 White balance adjustment 5 Producing parameter setup ...

Page 18: ...nnected 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 and standard mode 5 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 9 9 A51QGT420X34 44 21RFLS LGD...

Page 19: ...e 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 of TV 1 Input cross hatch pattern signal to RF input 2 Enter P Mode 3 Press 0 key on the RC and the screen will become a horizontal line 4 Adjust the SCREEN VR of the FBT until the horizontal line can just be seen barely minimum visible intensity PHWKRG...

Page 20: ...ser 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 0x0B and 0x0C need to write in the right values to set the YUV mode black lev...

Page 21: ... 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 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 t...

Page 22: ...TSC geometry See below description Notes 1 For NTSC signal the 50 will replace with 60 2 For NTSC signal only the HCEN 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 sel...

Page 23: ... VCHIP ENABLE 1 Enable 0 Disable 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 Brig...

Page 24: ...mark 0 EHT tracking only on vertical Track Mode 0 EHT tracking mode 1 EHT 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 GET OFFSET 0 Get offset See below description ColdRD ...

Page 25: ...uency 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 OPT 0 No signal background color set 0 BLUE 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 pa...

Page 26: ...oring active 0 and 100IRE Don t adjust use default 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 1 open 0 close according to ODF BTSC 1 BTSC s option 1 open 0 close according to ODF SAP 0 SAP s ...

Page 27: ...Serial No Issued on 2008 05 19 Page Page 15 of 15 Updated on 2010 01 27 Version 2 2 KEY DETECT 1 PRESS KEY fault detect 1 detect 0 N0 detect Recommended value 1 BLACK LIGHT 0 Software eliminate bright Spot when turn off 0 off 1 on TUNER TYPE 1 SET TUNER TYPE 0 TCL 1 XINFA ...

Page 28: ...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 IF processing circuit VGA Fig 1 Tuner section ...

Page 29: ...r 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 circuit processing and get H drive pin56 of IC201 and V drive signal pin15 pin15 of IC201 IF sound signal across the sound down mixer and AM demodulator processing send out the AVL SSIF OUT signal Refer t...

Page 30: ...ing 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 T401 get 200 Volt video amplifying voltage supply for CRT board Pin11 of T...

Page 31: ...er 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 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 Q...

Page 32: ...1 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 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 ...

Page 33: ......

Page 34: ......

Page 35: ......

Page 36: ......

Page 37: ......

Page 38: ......

Page 39: ......

Page 40: ...not 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 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 90 picture tubes The circuit has a...

Page 41: ...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 via the combined C2 C3 C4 AUDIOIN5R pin for ...

Page 42: ...ation 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 processing with horizontal parallelogram and bow correction and horizontal and vertical zoom The IC can be used as front end for Progressive Scan or LCD TV receivers Low power start up of the horizontal dr...

Page 43: ...ning 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 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 S...

Page 44: ...of 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 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...

Page 45: ...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 PV ViSSIF rms sound IF amplifier sensitivity RMS value 1 0 mV ViAUDIO rms external audio input RMS value 1 0 1 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...

Page 46: ...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 ADJ SKIN TONE U V TINT SATURATION MODULATION CVBS2 Y2 YSYNC IFVO SVO PIP AVL SSIFOUT FMDEMOUT SOUND PLL DEEMPHASIS R3 G3 B3 Y P B P R BLUE BLACK STRETCH GAMMA CONTROL BCLIN CLK GENERATION I 2 C BUS CSO ...

Page 47: ...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 PLL DEEMPHASIS B3 BLACK STRETCH BCLIN CLK GENERATION I 2 C BUS CSO CSI H VDISPO H VDISPI CLKI CLKO IREFRGB R G B VDS INS CIRN CORB SDA SCL IREF IREFO CVBSREF CVBS IN RESET TMSEL P PROCESSOR TELETEXT DE...

Page 48: ...e 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 21 phase 2 filter VP1 22 22 22 1st 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...

Page 49: ... 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 input vertical guard BCLIN 48 48 48 beam current limiter input B3 PB3 49 49 49 3rd B input PB input G3 Y3 CVBS3 Y3 1 50 50 50 3rd G input Y input CVBS input Y input R3 PR3 C2 C3 C4 1 51 51 51 3rd R i...

Page 50: ...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 HEPTAWATT Plastic Package ORDER CODE STV8172A 7 6 5 4 3 2 1 Tab connected Input Non Inverting Output Stage...

Page 51: ...ue 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 and Note 6 0 4 to VS 3 V V1 V7 Amplifier Input Voltage Note 2 Note 6 and Note 7 0 4 to VS 2 or 40 V Current I0 1 Output Peak Current at f 50 to 200 Hz t 10μs Note 4 5 A I0 2 Output Peak Current non r...

Page 52: ...put I1 Input Bias Current V1 1 V V7 2 2 V 0 6 1 5 μA 1 I7 Input Bias Current V1 2 2 V V7 1 V 0 6 1 5 μA VIR Operating Input Voltage Range 0 VS 2 V VI0 Offset Voltage 2 mV DVI0 dt Offset Drift versus Temperature 10 μV C Output I0 Operating Peak Output Current 0o Tcase 125o C 1 5 A V5L Output Saturation Voltage to pin 4 I5 1 5 A 1 1 7 V 3 V5H Output Saturation Voltage to pin 6 I5 1 5 A 1 8 2 3 V 2 S...

Page 53: ...I2 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 V5H STV8172A Vs I3 or I5 3 5 V5L V3L a b a V5L measurement b V3L measurement STV8172A 1V 7 4 2 6 2 2V 1 ...

Page 54: ... 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 calculations treat the IC as an op amp where the feedback loop maintains V1 V7 Figure 4 DC coupled Application R3 Vs R2 R1 Rd Yoke Ly Vertical Position Adjustment VEE Vref recommended Ly 50ms Rd Ly 20ms 0 ...

Page 55: ... 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 R8 R7 R3 R2 and connect the bias filtering capacitor between the intermediate point and the local driver ground Of course R7 should be connected to the booster refere...

Page 56: ...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 Application R3 Vs R2 R1 Rd Yoke Ly recommended Ly 50ms Rd Ly 20ms 0 1μF CF 47 to 100μF Power Amplifier Flyback Generator Thermal Safety 470μF Output Current Output Voltage Ip 7 3 2 5 6 1 4 VM Vm Cs R4 CL R5 0 22μ...

Page 57: ... 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 7 with DC yoke coupling The calculations still rely on the fact that V1 remains equal to V7 Figure 7 Using a Differential output Driver Vs R2 R1 Rd Yoke Ly VEE 0 22μF recommended Ly 50ms Rd Ly 20ms ...

Page 58: ......

Page 59: ......

Page 60: ......

Page 61: ...ace Q801 Is D801 D804 OK Yes Check IC801 and the peripheral components Replace D809 D812 No No Figure 1 Fuse Blown No raster abnormal B Is the B resistance to earth ok Check the load of B No Yes Check Q402 collector C resistance to earth ok Yes Replace Q402 Figure2 No Raster Abnormal B NX56 ...

Page 62: ...supply of IC601 Yes Is the waveform at P57 P58 of IC201 ok Yes Replace IC601 Check Replace Q602 Q600 No Figure 4 No Sound No raster B Voltage OK Is the voltage of Pin8 IC202 5v Is the resistance to earth of pin8 if IC201 ok No Yes Is the H out waveform at PIN 56 of IC201 OK Yes Check the waveform at static working point of Q402 No Replace IC201 NO Replace IC201 Replace Q402 No Figure3 No Raster B ...

Page 63: ... to IC201 form AV input No Check IC201 Check AV Signal input Yes AV has Picture TV hasn t Picture Check tuner TU100 Check tuner working is ok Figure 6 No Picture Is both 14V and 14V ok Yes No Is the signal at P1 of IC301 ok Check Replace IC301 Check signal at P14 P15 of IC201 No Check Replace IC201 Yes Yes Check Replace D410 D411 No Figure 5 No Vertical Scanning Check the circuit between IC301 and...

Page 64: ...ISTOR METAL OXIDE FILM 2K7OHM 5 1 2W R529 T8 0NX56B CR1K 18 FE0272 JNX RESISTOR METAL OXIDE FILM 2K7OHM 5 1 2W R519 T8 0NX56B CR1K 26 AMM102 KRX CAP CER 1N0F 2KVV C505 T8 0NX56B CR1K 26 EBP391 JCS CAP CER 390PF 50V 5 C521 T8 0NX56B CR1K 26 EBP391 JCS CAP CER 390PF 50V 5 C531 T8 0NX56B CR1K 26 EBP391 JCS CAP CER 390PF 50V 5 C511 T8 0NX56B CR1K 41 WJ0065 B00 1 R N D531 T8 0NX56B CR1K 41 WJ0065 B00 1...

Page 65: ...9 3 P603 TO L_SPK T8 21M62AK FC9 54 113970 0U0 TV RAW INSULATOR SLEEVE AWG 5 00 00 R FOR SPK HOUSING T8 21M62AK FC9 54 114000 00X TV RAW FELT PAPER 150MMX19MMX0 3MM BK 01 T8 21M62AK FC9 54 205140 000 SPACER CRT MOUNTING T 2MM MTG CRT TO F CAB T8 21M62AK FC9 57 10654X 00F TWIST TIE NY66 T8 21M62AK FC9 62 454780 0HN TV RAW SUPPORT STOCK 00 00 R N T8 21M62AK FC9 62 450570 0UN TRACKING_L T8 21M62AK FC...

Page 66: ... T8 21M62AK KE1 ASS Y KEY BDEQU T8 21M62AK KE1 18 CB0471 JNX RES C F 470 OHM 1 6W 5 R1003 T8 21M62AK KE1 18 CB0561 JNX RES C F 560 OHM 1 6W 5 R1004 T8 21M62AK KE1 18 CB0102 JNX RES C F 1K OHM 1 6W 5 R1005 T8 21M62AK KE1 18 CB0222 JNX RES C F 2 2K OHM 1 6W 5 R1006 T8 21M62AK KE1 18 CB0271 JNX RES C F 270 OHM 1 6W 5 R1001 T8 21M62AK KE1 18 CB0331 JNX RES C F 330 OHM 1 6W 5 R1002 T8 21M62AK KE1 40 21...

Page 67: ... RES C F 100 OHM 1 6W 5 R245 T8 21LAAK MA2 18 CB0101 JNX RES C F 100 OHM 1 6W 5 R247 T8 21LAAK MA2 18 CB0101 JNX RES C F 100 OHM 1 6W 5 R102 T8 21LAAK MA2 18 CB0102 JNX RES C F 1K OHM 1 6W 5 R302 T8 21LAAK MA2 18 CB0102 JNX RES C F 1K OHM 1 6W 5 R303 T8 21LAAK MA2 18 CB0102 JNX RES C F 1K OHM 1 6W 5 R415 T8 21LAAK MA2 18 CB0102 JNX RES C F 1K OHM 1 6W 5 R614 T8 21LAAK MA2 18 CB0102 JNX RES C F 1K ...

Page 68: ...W 5 R203 T8 21LAAK MA2 18 CB0681 JNX RES C F 680 OHM 1 6W 5 R207 T8 21LAAK MA2 18 CB0820 JNX RES C F 82 OHM 1 6W 5 R901 T8 21LAAK MA2 18 CB0820 JNX RES C F 82 OHM 1 6W 5 R269 T8 21LAAK MA2 18 CB0820 JNX RES C F 82 OHM 1 6W 5 R278 T8 21LAAK MA2 18 CB0820 JNX RES C F 82 OHM 1 6W 5 R904 T8 21LAAK MA2 18 CD0100 JNX RES C F 10 OHM 1 4W 5 J410 T8 21LAAK MA2 18 CD0121 JNX RES C F 120 OHM 1 4W 5 R403 T8 2...

Page 69: ... 26 EBP104 ZFS CAP CER 0 1UF 50V 80 20 C611 T8 21LAAK MA2 26 EBP104 ZFS CAP CER 0 1UF 50V 80 20 C220 T8 21LAAK MA2 26 EBP223 ZFS CAP CER 22NF 50V 80 20 C206 T8 21LAAK MA2 26 EBP470 JCS CAP CER 47 PF 50V 5 C103 T8 21LAAK MA2 26 EBP470 JCS CAP CER 47 PF 50V 5 C102 T8 21LAAK MA2 26 EBP472 KBS CAP CER 4700PF 50V 10 C301 T8 21LAAK MA2 27 MBC224 J0X CAP M P E 0 22UF 63V 5 C310 T8 21LAAK MA2 27 MBC224 J0...

Page 70: ...5 B00 WIREBAREJUMPER7 5MM J409 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J223 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J243 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J242 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J235 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J311 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J907 T8 21LAAK MA2 41 WJ0075 B00 WIREBAREJUMPER7 5MM J24...

Page 71: ...MM J210 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J304 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J241 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J240 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J203 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J811 T8 21LAAK MA2 41 WJ0125 B00 WIREBAREJUMPER12 5MM J906 T8 21LAAK MA2 41 WJ0150 B00 WIREBAREJUMPER15MM J006 T8 21LAAK MA2 41...

Page 72: ...4 FAST RECTIFIER D813 T8 21LAAK PW2 10 0FR104 FBX DIODE FR104 FAST RECTIFIER D811 T8 21LAAK PW2 10 0FR104 FBX DIODE FR104 FAST RECTIFIER D810 T8 21LAAK PW2 10 0FR104 FBX DIODE FR104 FAST RECTIFIER D804 T8 21LAAK PW2 10 0FR107 FBX D PIN 1 3V 1_A 1000VV 500NS W DO 15 FR1 D809 T8 21LAAK PW2 10 0RL255 EBX D PIN 1 1V 2_A 800V W DO 15 RL255 DB804 T8 21LAAK PW2 10 0RL255 EBX D PIN 1 1V 2_A 800V W DO 15 R...

Page 73: ...9 T8 21LAAK PW2 26 AKC152 KRX CAP CER 1500 pF 1KV 10 C811A T8 21LAAK PW2 26 AKC331 KBX CAP CER 330P0F 1K0V C817 T8 21LAAK PW2 26 AKC471 KRX CAP CER 470P0F 1KVV C805 T8 21LAAK PW2 26 AKC472 MEX CAP CER 4700 pF 1KV 20 C810A T8 21LAAK PW2 26 AKL103 MFX CAP CER 10 NF 1KVDC 20 C809 T8 21LAAK PW2 26 EBP102 KBS CAP CER 1NF 50V 10 B C814 T8 21LAAK PW2 26 EBP102 KBS CAP CER 1NF 50V 10 B C838 T8 21LAAK PW2 ...

Page 74: ...LE 5MM 47UF 25VV 5X11 85 C835 T8 21LAAK PW2 11 DA8050 CBS TR 25V 1 5_A NPN 1W 100MHZ TO 92C 3DA805 Q804 T8 21LAAK PW2 27 AQT224 MV3 FILM CAPACITOR 220N0F 22 5MMMM 250VACV CX802 T8 21LAAK PW2 10 79C18V DBX D PR A _V 18V BZX79C18 TO C847 TO C847 T8 21LAAK PW2 25 BDB470 M1X CAP ELE 5MM 47UF 25VV 5X11 85 C826 T8 21LAAK PW2 10 1N4001 EBX DIODE 1N4001 RECTIFIER D815 T8 21LAAK PW2 25 BHB470 M1X CAP ELE 5...

Page 75: ...OWER CORD 1800MM Y DTIII 2P 03 T8 DM62SAK OT4 67 H46157 0A0 RAW HEATSINK HEAT SINK 00 00 R Y Y1 Y2 T8 DM62SAK OT4 13 LA7814 10P IC LA78141 IC301 T8 DM62SAK OT4 13 TDA111 45P IC MCU WRITE TDA11145PS N3 3 IC201 CP T8 DM62SAK OT4 36 TRF326 BX4 TRANSFORMER SWITCHING TRANSFORMEN 12V 10 T801 03 DM62SAK BO12X V8 NX56BLA TM4V512SOFTWARE SOFTWARE CODE FOR IC201 ...

Page 76: ......

Reviews:

No comments