Toshiba 29SF6SH Service Manual
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Toshiba 29SF6SH Service Manual

Toshiba 29SF6SH Service Manual

D3es chassis
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FILE NO. 070-200310
SERVICE MANUAL
COLOUR TELEVISION
D3ES Chassis
29SF6SH
May, 2003

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

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ............................3 SET-UP ADJUSTMENT ............................4 SERVICE MODE ..............................6 DESIGN MODE ................................ 9 ELECTRICAL ADJUSTMENTS ..........................10 CIRCUIT CHECK ..............................14 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................15 LOCATION OF CONTROLS ...........................

  • Page 3: Chapter 1 General Adjustments

    CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous 2. The only source of X-RAY RADIATION in this TV receiver X-RAY RADIATION.

  • Page 4: Set-Up Adjustment

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF SERVICE MANUAL. SET-UP ADJUSTMENT (FOR FLAT TUBE) I The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1.
  • Page 5 (5)Adjust the sub-4-pole magnets only in case there is any deviation of Xv bow-shaped convergence. (To be usually set at the initial position) Align both sides with the sub-4-pole magnets and minimize the deviation of blue and red with the main 4-pole magnets. Xv bow-shaped deviation of convergence red/blue blue...

  • Page 6: Service Mode

    SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press o button once on 2) Press o button again to 3) While pressing the o button, press Remote Control. keep pressing. MENU button on TV set. Item Data (Service mode display) 2.
  • Page 7 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 15) 5.
  • Page 8 8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. Indicated color of mode now selected : Green and Red Indicated color of other modes : White...

  • Page 9: Design Mode

    DESIGN MODE 1. ENTERING TO DESIGN MODE 2) While pressing (or CALL) button on 3) Press MENU button on TV. 1) Select the Service mode. Remote and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT1”, “OPT2”...

  • Page 10: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ 1. Enter the service mode, then select any register item. 2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap- pears on the screen. 3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture screen.
  • Page 11 ITEM ADJUSTMENT PROCEDURE WHITE BALANCE 1. Set Contrast to 40, and brightness to +20 by picture control. ADJUSTMENT 2. Set the TV in service mode, and get the inside W/B adjusting signal with VIDEO button. • CUTOFF ADJUSTMENT 3. Select RCUT, GCUT and BCUT with CHANNEL s, t buttons, to set individual (RCUT) values to Initial reference data, and to set GDRV and BDRV to Initial reference (GCUT)
  • Page 12 (Reference of factory adjust) ADJUSTMENT ADJUSTMENT ITEM NAME SIGNAL CONDITION AND PROCEDURE : HEIGHT Visual adjustment using the WG Philips pattern 1. Conditions: maximum contrast, brightness VPOS : VERT. picture (Bus control). and France SECAM and color centered. POSITION Philips pattern shall 2.
  • Page 13 SETTING INPUT MEASUREMENT ADJUSTMENT ITEM NAME ADJUSTMENT METHOD (user control) SIGNAL POINT STANDARD COLC Video mode 1 Q501 #17 1. Select COLC . 1.9 (0-p) Sub bright sig- (→1 ←) ±0.2V(p-p) COLOR 2. Adjust the color bar output amplitude nal (NTSC) B-OUT NTSC Upper half...

  • Page 14: Circuit Check

    CIRCUIT CHECK HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an 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.

  • Page 15: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 29" HIGH VOLTAGE AT ZERO BEAM: 29.5 kV MAX HIGH VOLTAGE: 33.0 kV AV VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Adjustment Reference data RCUT R CUT OFF...

  • Page 16: Location Of Controls

    LOCATION OF CONTROLS Front Y ON-TIMER indicator (green) Power indicator (red) a Input source selection Remote sensor Power switch Behind the door L/MONO VIDEO AUDIO MENU a (3) Video 3 input c* Channel position ts MENU terminals Menu item select Headphones jack (ø3.5mm) For private listening, connect headphones.
  • Page 17 Remote Control CALL CALL Power on/Standby o Sound mute Picture menu Sound menu Number (0-9) -/-- Input source selection* –/-- 1 or 2 digit selection + – • Volume < > • – + Menu • CH (Channel position) st * •...

  • Page 18: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY • Before using ASM, confirm that "COLOR" is set to "AUTO" and "SOUND" is set to proper system. • First, use the ASM (Automatic Search Memory) function to preset all active channels in your area automatically. Then, arrange the preset channels with the SEARCH, SKIP and MFT (Manual Fine Tuning) functions so that you can tune into only desired channels.
  • Page 19 • The adjustments below are not necessary under normal receiving conditions. However, in areas of inferior broadcast conditions where adjustment is necessary for a better picture, perform the MFT (Manual Fine Tuning). The AFT OFF status automatically keeps the condition adjusted with the MFT function. •...

  • Page 20: Chassis And Cabinet Replacement Parts List

    The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. • The PC board assembly with mark is no longer available after the end of the production. Model : 29SF6SH Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 21 Location Location Parts No. Description Parts No. Description C524 24794100 ELECTROLYTIC, 16V 10UF M C842 24794100 ELECTROLYTIC, 16V 10UF M C525 24109103 CERAMIC CHIP, 50V B 0.01UF K C843 24539104 PLASTIC FILM, 50V 0.1UF J C526 24590222 PLASTIC FILM, 50V 2200PF J C884 24086916 ELECTROLYTIC, 160V 330UF M 3D...
  • Page 22 Location Location Parts No. Description Parts No. Description CS10 24794100 ELECTROLYTIC, 16V 10UF M R433 24011334 CHIP, METAL FILM, 1/20W 330K OHM J CS11 24794100 ELECTROLYTIC, 16V 10UF M R434 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J CS16 24206229 ELECTROLYTIC, 50V 2.2UF M 7L 3A R435 24366681...
  • Page 23 Location Location Parts No. Description Parts No. Description R735 24366683 CARBON FILM, 1/6W 68K OHM J R936 24545150 FUSIBLE, 1/4W 15 OHM J R736 24366620 CARBON FILM, 1/6W 62 OHM J R937 24366561 CARBON FILM, 1/6W 560 OHM J R737 24366152 CARBON FILM, 1/6W 1.5K OHM J R942...
  • Page 24 Location Location Parts No. Description Parts No. Description RA79 24366471 CARBON FILM, 1/6W 470 OHM J RV16 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RA80 24366103 CARBON FILM, 1/6W 10K OHM J RV17 24366750 CARBON FILM, 1/6W 75 OHM J RA80 24011564 CHIP, METAL FILM, 1/20W 560K OHM J...
  • Page 25 Location Location Parts No. Description Parts No. Description Q402 23114755 TRANSISTOR, 2SC2482FA-1 QB02 23114425 TRANSISTOR, 2SA1015-Y(TE Q404 23314375 TRANSISTOR, ON4409 QB20 23114463 TRANSISTOR, RN1201 Q404B 72471082 SCREW, 3X10MM QB21 23114433 TRANSISTOR, 2SC1815-Y Q420 23314141 TRANSISTOR, 2SC3852 QB30 23314475 TRANSISTOR, 2SC2712-Y Q420B 70391355 SCREW, BIND HEAD TAP-TITE B, QS01...
  • Page 26 IC, REMOTE PHOTO RECEIVER, AT03 23588765 REMOCON PART, BATTERY COVER, PIC-37043TE2 CT-90119 M461A 23192950 ANODE CAP ASSY, TCC5600BD Y101 23565960 OWNER’S MANUAL, E/C, 29SF6SH M461D 23509372 CABLE ASSY, SCREEN CABINET PARTS N724 23965900 TAPE, GLASS-CLOTH, W/ADHESIVE W=18 T=0.18 A201 23530935...
  • Page 27 Location Location Parts No. Description Parts No. Description A701B 23067141 CARTON, BOTTOM CASE 29SF6C, 29SF6C:S1302D222 A702A 23946503 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...
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  • Page 29: Pc Boards Bottom View

    MAIN BOARD PD1228 BOTTOM (FOIL) SIDE – 29 – – 30 –...
  • Page 30 CONT BOARD PD1227-1 CRT-D BOARD PD1227-2 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE LED BOARD PD1227-3 BOTTOM (FOIL) SIDE – 31 – – 32 –...

  • Page 31: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SC2482 2SA562TM 2SC5243 2SC1569 2SA1015 2SC2655 2SC4544 2SC1815 2SC4721P 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 ON4409 RN2203 2SD1554 RN2201 2SD2253 RN2004 2SD2553 RN1203 2SD1556 RN1204 2SC5143 RN2204 RN1205 RN1202 RN1201 –...
  • Page 32 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 34 –...
  • Page 33 SCHEMATIC DIAGRAM MODEL : 29SF6SH WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 34 – 36 –...

  • Page 35: Specifications

    SPECIFICATIONS Rated voltage g 220 – 240 V, 50/60 Hz Power consumption 130 W (at g 220 V, 50 Hz) Dimensions 644mm × 486mm × 585mm (Width × Depth × Height) Mass 43.5 kg Picture tube Type 29, flat picture tube 73 cm (dia.) overall picture tube 68 cm (dia.) viewable picture area 110°...

  • Page 36: Circuit Block Diagram

    DALIAN TOSHIBA TELEVISION CO.,LTD. 8. Anshan Street Dalian Economic & Technical Development Zone, Dalian China...

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