Toshiba 29SF6SH Service Manual Download Page 29 | Manualshive

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Summary of Contents for 29SF6SH

Page 1: ...May 2003 FILE NO 070 200310 SERVICE MANUAL COLOUR TELEVISION D3ES Chassis 29SF6SH ...

Page 2: ...ODE 6 DESIGN MODE 9 ELECTRICAL ADJUSTMENTS 10 CIRCUIT CHECK 14 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 15 LOCATION OF CONTROLS 16 PROGRAMMING CHANNEL MEMORY 18 CHASSIS AND CABINET REPLACEMENT PARTS LIST 20 PC BOARDS BOTTOM VIEW 29 TERMINAL VIEW OF TRANSISTORS 33 CIRCUIT BLOCK DIAGRAM 36 SPECIFICATIONS End APPENDIX CIRCUIT DIAGRAM ...

Page 3: ... attempted by anyone unfamiliar with the necessary precautions on this receiver The following are the necessary precautions to be observed before servicing this chassis 1 An isolation transformer should be connected in the power line between the receiver and the AC line before any service is performed on the receiver 2 Always discharge the picture tube anode to the CRT conductive coating before ha...

Page 4: ...nter evenly 6 Receive the green raster shift the deflection yoke from a foremost position hitting against the picture tube to a backward position horizontally stop the deflection yoke at a position where it begins to become a green raster and perform accurate marking on the picture tube 7 Shift the deflection yoke further backward and perform accurate marking at a position where the green raster b...

Page 5: ... TC S Blue color or blue mark Insert the correction piece between the picture tube and the deflection yoke Insertion position of correction piece Bonded surface blue green red Parts code 23 948 464 Bonded surface Adjust VR 1 and minimize the deviation of YH Only 27 30 and 32 Red green blue Red green blue Red green blue Red green blue Adjust VR 2 YHC and minimize the deviation of YH Red green blue ...

Page 6: ...menu mode ON OFF MENU button on TV Initialization of the memory QA02 CALL Channel button on TV s Reset the count of operating protect circuit to 00 CALL Channel button on TV t RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button CNTX or SCNT selection 4 button COLC selection 5 button TNTC selection 6 button Test audio signal ON OFF 1kHz 8 button Self diagnostic display ON OFF 9 ...

Page 7: ... item 2 Press and hold the CALL button on the Remote then press the CHANNEL s button on the TV The initialization of QA02 has been complated 3 Check the picture carefully If necessary adjust any adjustment item above Perform Auto search Memory on the owner s manual CAUTION Never attempt to initialize the data unless QA02 has been replaced 7 TEST SIGNAL SELECTION 1 Every pressing of a button on the...

Page 8: ...GND short circuit SCL1 GND SCL GND short circuit SCL1 SDA1 SCL SDA short circuit BUS CONT OK is normal When indication shows Q uuu NG the device with the number may possibly be damaged BLOCK UV TV reception mode V1 VIDEO 1 input mode a1 V2 VIDEO 2 input mode a2 V3 VIDEO 3 input mode a3 Indicated color of mode now selected Green and Red Indicated color of other modes White Green Normal Red The micr...

Page 9: ...ode changes the adjustment items in the order of table 3 s button for reverse order Refer to table 3 for data of design mode See SETTING ADJUSTING DATA on page 15 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT1 OPT2 and OPT3 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because...

Page 10: ...the difference between the belt of vertical re trace and the border of black portion of inside pattern is visible After that return vertical height and con trast ITEM ADJUSTMENT PROCEDURE Belt of vertical retrace HORIZONTAL POSITION ADJUSTMENT HPOS VERTICAL POSITION ADJUSTMENT VPOS 1 Set the TV in service mode and get black or white cross bar signal with VIDEO button on remote hand unit 2 Select e...

Page 11: ... on screen Note Every pressing of button provides Horizontal line picture and Normal picture alternately 5 Press button to release horizontal line picture and select the two other colors which did not light in the above step with CHANNEL s t buttons Then tap VOL UME buttons so that three colors slightly light in the same level X To correct white balance in light area select GDRV and BDRV with CHAN...

Page 12: ...e Sub address VLIN to adjust V LINEARITY vertical balance c is performed only when the adjustment is necessary for the quality d After Adjusting c repeat the above adustments a and b 1 Conditions maximum contrast brightness and color centered 2 Adjustment procedure Use the Sub address HPOS to adjust the Philips pattern d c to the minimum 1 Conditions Adjust vertical height vertical position and ho...

Page 13: ... Align the non color component of the color difference signal with the H BLK component level 1 Select SBY 2 Align the non color component of the color difference signal with the H BLK component level 1 Set to the status shown to the left 2 Slowly raise the screen and stop when the R G or B line is just barely visible 3 Use this as the screen VR adjustment position 4 Use RCUT GCUT and BCUT to slowl...

Page 14: ...n accurate high voltage meter to the second anode of the picture tube 2 Turn on the receiver Set the BRIGHTNESS and CONTRAST controls to minimum zero beam current 3 High voltage must be measured below B kV Refer to table 1 for high voltage B See SETTING ADJUSTING DATA on page 15 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any condition...

Page 15: ... TRAP SRY SBY R CUT OFF G CUT OFF B CUT OFF G DRIVE B DRIVE BRIGHTNESS CENTER COLOR CENTER NTSC TINT CENTER COLOR CENTER PAL difference from COLC COLOR CENTER SECAM CONTRAST CENTER HORIZONTAL POSITION VERTICAL POSITION 50Hz HEIGHT 50Hz V LINEARITY 50Hz H SIZE PARABOLA TRAPEZIUM SECAM R Y BLACK ADJUST SECAM B Y BLACK ADJUST 20H 20H 20H 40H 40H 40H 42H 39H 01H 3DH 38H 0FH 04H 59H 08H 21H 41H 19H 08H...

Page 16: ...icator green q Power indicator red Headphones jack ø3 5mm For private listening connect headphones The sound from the speakers will be cut off automatically To adjust the volume press the buttons a 3 Video 3 input terminals Volume Menu item adjust MENU a 2 Video 2 input terminals Component video input terminals MONITOR output terminals a 1 Video 1 input terminals S VIDEO VIDEO COMPONENT VIDEO INPU...

Page 17: ... have duplicate locations on the TV set MENU CALL 1 or 2 digit selection Number 0 9 h Picture menu 8 Sound menu a Input source selection f Power on Standby o Sound mute CALL MENU CH CH 1 2 3 4 5 6 7 8 9 0 Volume Menu CH Channel position st ts MENU mI II Stereo Bilingual select ...

Page 18: ...k the preset channels by pressing the s or t buttons If the picture or sound of a certain channel is not good fine tune the channel using the MFT function If the color of a certain channel is abnormal automatic color system selection AUTO may malfunction or sound system selection is wrong In such a case select another color and or sound system 1 2 3 4 To preset channels SEARCH SKIP 1 2 3 4 To use ...

Page 19: ...mber Press the MENU button then press the or buttons to display the TUNING menu on the screen Press the t or s buttons to select AFT and then press the or buttons to select ON 1 2 3 4 1 To skip a position number After presetting the channels you may skip unnecessary position numbers so that only the channels you want to watch are selected Select the position number to be skipped with the CH s t or...

Page 20: ...C434 24591104 PLASTIC FILM 50V 0 1UF J C438 24667102 ELECTROLYTIC 25V 1000UF M 3A C439 24232103 CERAMIC DISC 50V F 0 01UF Z C441 24693472 PLASTIC FILM 100V 4700PF J C442 24503298 PLASTIC FILM 315V 0 3UF J C443 24503228 PLASTIC FILM 1500VH 6800PF H C444 24503194 PLASTIC FILM 1500VH 0 01UF H C445 24828563 PLASTIC FILM 200V 56000PF J C446 24503125 PLASTIC FILM 400V 0 075UF J C447 24679220 ELECTROLYTI...

Page 21: ... 0 1UF J C831 24794470 ELECTORLYTIC 16V 47UF M C833 24797229 ELECTROLYTIC 50V 2 2UF M C841 24797101 ELECTROLYTIC 50V 100UF M C842 24794100 ELECTROLYTIC 16V 10UF M C843 24539104 PLASTIC FILM 50V 0 1UF J C884 24086916 ELECTROLYTIC 160V 330UF M 3D C885 24214471 CERAMIC DISC 500V B 470PF K C887 24214471 CERAMIC DISC 500V B 470PF K C889 24669222 ELECTROLYTIC 50V 2200UF M 3A C893 24092337 CERAMIC DISC 2...

Page 22: ...LM 1 6W 10K OHM J R431 24011103 CHIP METAL FILM 1 20W 10K OHM J R432 24531560 FUSIBLE 1 2W 56 OHM J R433 24011334 CHIP METAL FILM 1 20W 330K OHM J R434 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R435 24366681 CARBON FILM 1 6W 680 OHM J R438 24552271 OXIDE METAL FILM 1 2W 270 OHM J R439 24011473 CHIP METAL FILM 1 20W 47K OHM J R441 24532102 FUSIBLE 1W 1K OHM J R442 24382473 OXIDE METAL FILM 1W 47K O...

Page 23: ...N FILM 1 6W 470 OHM J R935 24366392 CARBON FILM 1 6W 3 9K OHM J R936 24545150 FUSIBLE 1 4W 15 OHM J R937 24366561 CARBON FILM 1 6W 560 OHM J R942 24366562 CARBON FILM 1 6W 5 6K OHM J R943 24366562 CARBON FILM 1 6W 5 6K OHM J R944 24366562 CARBON FILM 1 6W 5 6K OHM J R945 24366680 CARBON FILM 1 6W 68 OHM J R946 24366680 CARBON FILM 1 6W 68 OHM J R960 24383123 OXIDE METAL FILM 2W 12K J R961 24383123...

Page 24: ...11101 CHIP METAL FILM 1 20W 100 OHM J RV01 24011101 CHIP METAL FILM 1 20W 100 OHM J RV03 24366750 CARBON FILM 1 6W 75 OHM J RV04 24366101 CARBON FILM 1 6W 100 OHM J RV05 24011223 CHIP METAL FILM 1 20W 22K OHM J RV06 24011101 CHIP METAL FILM 1 20W 100 OHM J RV07 24011101 CHIP METAL FILM 1 20W 100 OHM J RV09 24011101 CHIP METAL FILM 1 20W 100 OHM J RV10 24011101 CHIP METAL FILM 1 20W 100 OHM J RV12 ...

Page 25: ... 23009327 IC AT24C08 10PI QA03 23314475 TRANSISTOR 2SC2712 Y QA05 23114498 TRANSISTOR RN1405 QA06 23314475 TRANSISTOR 2SC2712 Y QA10 23314475 TRANSISTOR 2SC2712 Y QA11 23314163 TRANSISTOR 2SA1162 Y QA12 23314475 TRANSISTOR 2SC2712 Y QB02 23114425 TRANSISTOR 2SA1015 Y TE QB20 23114463 TRANSISTOR RN1201 QB21 23114433 TRANSISTOR 2SC1815 Y QB30 23314475 TRANSISTOR 2SC2712 Y QS01 23314475 TRANSISTOR 2S...

Page 26: ...M461D 23509372 CABLE ASSY SCREEN N724 23965900 TAPE GLASS CLOTH W ADHESIVE W 18 T 0 18 N728 23960101 SILICONE RUBBER TSE 382 RTV P661 23363607 JACK HEAD PHONE 3 5MM P801 23372168 POWER CORD UK HK VO 6A F13A P802 23368249 POWER CORD 2P 11 88MM VH JST P910 23164725 CONNECTOR PLUG 2P PB01A 23902062 CONNECTOR SOCKET B B PB01B 23368004 CONNECTOR PLUG B B 5P 2 5MM JST PB02A 23902751 CONNECTOR SOCKET B B...

Page 27: ... PACKING TOP PACKING 29SF6C 29SF6C S1302D226 A702B 23946504 PACKING BOTTOM PACKING 29SF6C 29SF6C S1302D227 A703 23531103 PACKING PROTECTIVE SHEET 48G7UXC A705 23531091 PACKING PACKING SHEET 29SF6C 29SF6C S1303D014 A903 23929758 PIECE HOLDER BUTTON 29ZP47 A904 23445718 BUTTON POWER 25SF6C A905 23428198 DOOR DOOR PROPER 29SF6C B025034E A911 23451976 PUSH CATCH CLICK ...

Page 28: ... 28 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 29: ... 29 30 MAIN BOARD PD1228 BOTTOM FOIL SIDE ...

Page 30: ... 31 32 CONT BOARD PD1227 1 BOTTOM FOIL SIDE CRT D BOARD PD1227 2 BOTTOM FOIL SIDE LED BOARD PD1227 3 BOTTOM FOIL SIDE ...

Page 31: ...763A 2SC1569 2SC4544 2SA1788 2SA1306 2SA1186A 2SC752GTM 2SC2482 2SC2655 2SC4721P 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878 2SC1740S 2SC2120 2SA9335 2SA1788 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 2SD1554 2SD2253 2SD2553 2SD1556 2SC5143 E C B B C E B CE B CE E C B E C B B C E B C E ON4409 ...

Page 32: ... 34 GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 33: ...00 000 All resistors are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are cer...

Page 34: ... Q610 Q840 AV IN 1 AV IN 2 MEMORY REGULATOR RESET µ COM I 2 C BUS R G B HYBRID CONVERTER TRANS B VOLTAGE C Y CHROMA VIDEO DEF VIDEO OUT V OUT H OUT F B T H V D Y V H CRT AUDIO OUT L R AV SW BUS CONTROL BLOCK SV V L R R MONITOR OUTPUT V L R V L CHASSIS BLOCK DIAGRAM AV IN FRONT 3 R V L CIRCUIT BLOCK DIAGRAM ...

Page 35: ...Dimensions Width Depth Height Mass Picture tube Television system Aerial input System PAL B G PAL I PAL D K SECAM B G SECAM D K NTSC M NTSC M VHF 2 12 1 12 2 12 1 12 2 13 1 12 CCIR UK CHINA CCIR OIRT US JAPAN UHF 21 69 21 69 13 57 21 69 21 69 14 69 13 62 Color system Sound system NTSC4 43 5 5 6 0 6 5 MHz PAL 60Hz 5 5 6 0 6 5 MHz g 220 240 V 50 60 Hz 130 W 644mm 486mm 585mm 43 5 kg Type 29 flat pic...

Page 36: ...DALIAN TOSHIBA TELEVISION CO LTD 8 Anshan Street Dalian Economic Technical Development Zone Dalian China ...

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