Toshiba 43VJ22P Service Manual
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Toshiba 43VJ22P Service Manual

Toshiba 43VJ22P Service Manual

Colour television
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FILE NO. 030-200225

SERVICE MANUAL

COLOUR TELEVISION
VJ13 Chassis
43VJ22P
PUBLISHED IN JAPAN, Sep., 2002 So

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Summary of Contents for Toshiba 43VJ22P

  • Page 1: Service Manual

    FILE NO. 030-200225 SERVICE MANUAL COLOUR TELEVISION VJ13 Chassis 43VJ22P PUBLISHED IN JAPAN, Sep., 2002 So...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ............................3 CRT ASSEMBLY REPLACEMENT AND MOUNTING ....................4 PICTURE TUBE COMPONENTS ADJUSTMENT ....................6 SERVICE POSITION ..............................9 SERVICE MODE ..............................10 DESIGN MODE ..............................13 ELECTRICAL ADJUSTMENT ..........................14 CONVERGENCE ADJUSTMENT ...........................

  • 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 hazard- 2. The only source of X-RAY RADIATION in this TV receiver ous X-RAY RADIATION.

  • Page 4: Crt Assembly Replacement And Mounting

    CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR SEALING OF CRT COOLANT. Attention Serviceman The Hex Head Bolts with Springs. (see sketch) used on CRT assembly, are “NOT”...

  • Page 5: Servicing Precautions

    TO REMOVE CRT (Same procedure for R, G, B) 1. Remove CRT DRIVE Board, S. V. M. COIL and DEF. YOKE from CRT. 2. Remove Lens Assembly. 3. Detach CRT Anode Cap from CRT. Anode Cap 4. Remove CRT Assembly from CRT Mounting. CRT REPLACEMENT (Same procedure for R, G, B) Reverse the removal procedures except the followings.

  • Page 6: Picture Tube Components Adjustment

    WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT ADJUSTING PROCEDURE IN REPLACING CRT RGB FOCUS ADJUSTMENT 1. Connect a VIDEO signal generator which generates a User convergence center check Cutoff cross-hatch pattern.
  • Page 7 In case of warming up of more than 2 hours under a condition TILT ADJUSTMENT that the large anode current is running through the projection Rotate R, G, B deflection yoke so that picture becomes hori- tube so that for example the all-white pattern appears, adjust zon, then fasten screw.
  • Page 8 LOCATION OF SCREEN AND FOCUS VR'S To remove the Speaker grille and Front panel. FOCUS VR's SCREEN VR's Speaker grille Front panel REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one, remove Lead Holder from old lead as shown in ANODE LEAD figure below, and put it on new lead.

  • Page 9: Service Position

    WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. SERVICE POSITION In order to assure the performance, processed wires shall be replaced after the repair work. Work procedures are as follows: 1.

  • Page 10: 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, Remote Control. keep pressing. press MENU button on TV set. Item Data or Sound Mute (Service mode display) 2.
  • Page 11 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 23) 5.
  • Page 12 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 : Black...

  • Page 13: Design Mode

    DESIGN MODE 1. ENTERING TO DESIGN MODE 3) Press MENU button on TV. 1) Select the Service mode. 2) While pressing CALL button on Remote and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) 2. SELECTING THE ADJUSTING ITEMS Every pressing of CHANNEL t button in the design mode changes the adjustment items in the order of table-3.

  • Page 14: Electrical Adjustment

    ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE WIDTH 1. Call up the adjustment mode display, then select the item WID. (WID) 2. Press the VOLUME t button to get the picture so the left or right edges of raster begins to lack. 3.

  • Page 15: Convergence Adjustment

    CONVERGENCE ADJUSTMENT 1. SCREEN ADJUSTMENT Before proceeding to the adjustment for each screen, always The adjustment is carried out on four screens; 4 : 3 and 16 : 9 perform the adjustments for vertical size (HIT) and horizontal screens in both PAL and NTSC modes. When making the ad- size (WID) with the main deflection data changed.
  • Page 16 1-2. Remote Control Key CALL o key ....Push this key twice and the set con- sole menu key to enter the service mode. 7 key ....Push 7 key to enter and cancel the convergence menu. 5 key ....Cursor shift / data change mode change-over.
  • Page 17 2. Picture a) 50 Hz mode (PAL) ..Correcting point: Horizontal 8 x Vertical 8 (Arrow marks denote correcting point) The first picture The second picture Data display Cursor (red) Screen center (Blinking) The first picture The second picture is indicated with data on top left of the first picture, therefore, convergence cannot be adjusted by this pic- Crosshatch pattern.
  • Page 18 b) 60 Hz mode (NTSC) ..Correcting point: Horizontal 8 x Vertical 7 (Arrow marks denote correcting point) The second picture The first picture Data display Cursor (red) Screen center (Blinking) The first picture During this period, the changed data is transferred from RAM Q701 to E PROM Q711, and saved.
  • Page 19 3. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) [4:3] 1.50 Hz mode (PAL) Screen center 310.5 164.5 Screen center 164.5 310.5 8.5mm 8.5mm 372.5 223.5 74.5 74.5 223.5 372.5 428.5 428.5 \ mark: center 43 inches 4:3 Screen size: Horizontal 874mm, Vertical 655mm Dimension A: 74.5mm, Dimension B: 36.5mm (H span) (V span)
  • Page 20 4. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) [16:9] 1.50 Hz mode (PAL) Screen center 232.9 205.5 123.4 41.3 Screen center 41.3 123.4 205.5 232.9 8.5mm 8.5mm 372.5 223.5 74.5 74.5 223.5 372.5 428.5 428.5 \ mark: center 43 inches 4:3 Screen size: Horizontal 874mm, Vertical 655mm Dimension A: 74.5mm, Dimension B: 27.4mm (H span) (V span)

  • Page 21: Screen And Mirror Alignments

    SCREEN AND MIRROR ALIGNMENTS ASSEMBLING AND MOUNTING OF FRONT SCREEN * Please refer to MECHANICAL DISASSEMBLY page 32. CLEANING OF LENS AND MIRROR CAUTION : Do not hold the optical system parts (lens and mirror) with bare hand to avoid finger-prints on the surface of those parts.

  • Page 22: Circuit Checks

    CIRCUIT CHECKS 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 anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST to minimum (zero beam current). 3.

  • Page 23: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 43"/50" HIGH VOLTAGE AT ZERO BEAM: 31.3 kV MAX HIGH VOLTAGE: 33.3 kV AC VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data RCUT R CUTOFF (B/W)

  • Page 24: Location Of Controls

    LOCATION OF CONTROLS Front MAIN SWITCH POSITION UP POSITION DOWN POWER INDICATOR VOLUME UP (RED) VOLUME DOWN MENU (VIDEO-3) S-VIDEO TERMINAL VIDEO-3 HEAD PHONE Back AERIAL TERMINAL VIDEO-2 (21-PINS S-VIDEO AV) VIDEO-1 (21-PINS FULL) VIDEO-3 (21 PINS S-VIDEO/AV) – 24 –...
  • Page 25 Remote Controller Power Key: TV, VCR, DVD CALL 1. TEXT Sub Function <HOLD, REVEAL, F-T-B, TIME/TXCL, SUB PAGE> ---------------- Only TV mode operation 2. VCR & DVD Common <Power, Play, Stop, Pause, Eject, FF, REV, Skip - FWD, Skip - REV> EXIT MENU MENU...

  • Page 26: Mechanical Disassembly

    MECHANICAL DISASSEMBLY K502 K601 K501 Labels A004 (A420) A424 (A421) A201 A223 A258 K101 K102 K103 – 26 –...

  • Page 27: Chassis And Cabinet Replacement Parts List

    : Metal Film OMF : Oxide Metal Film : Variable Resistor : Fusible Resistor (All CD and PF capacitors are ±5%, 50V and all resistors, ±5%, 1/6W unless otherwise noted.) Models : 43VJ22P Location Location Parts No. Description Parts No.
  • Page 28 Location Location Parts No. Description Parts No. Description C468 24820123 PLASTIC FILM, 630V 0.012UF J C730 24100104 CERAMIC CHIP, 25V F 0.1UF Z C481 24666101 ELECTROLYTIC, 16V 100UF M 3A C731 24100104 CERAMIC CHIP, 25V F 0.1UF Z C482 24591223 PLASTIC FILM, 50V 0.022UF J C732 24100103...
  • Page 29 Location Location Parts No. Description Parts No. Description C841 24617026 ELECTROLYTIC, 16V 820UF M C7719 24667101 ELECTROLYTIC, 25V 100UF M 3A C842 24669220 ELECTROLYTIC, 50V 22UF M 3A C7720 24667101 ELECTROLYTIC, 25V 100UF M 3A C857 24667332 ELECTROLYTIC, 25V 3300UF M 3A C7721 24212331 CERAMIC DISC, 50V B 330PF K...
  • Page 30 Location Location Parts No. Description Parts No. Description CC63 24109102 CERAMIC CHIP, 50V B 1000PF K R107 24011122 CHIP, METAL FILM, 1/20W 1.2K OHM J CC64 24109223 CERAMIC CHIP, 25V B 0.022UF K R108 24011471 CHIP, METAL FILM, 1/20W 470 OHM J CC65 24109223 CERAMIC CHIP, 25V B 0.022UF K...
  • Page 31 Location Location Parts No. Description Parts No. Description R339 24366563 CARBON FILM, 1/6W 56K OHM J R469 24366101 CARBON FILM, 1/6W 100 OHM J R340 24366824 CARBON FILM, 1/6W 820K OHM J R470 24322568 OXIDE METAL FILM, 1W 0.56 OHM J R341 24366393 CARBON FILM, 1/6W 39K OHM J...
  • Page 32 Location Location Parts No. Description Parts No. Description R690 24552391 OXIDE METAL FILM, 1/2W 390 OHM J R831 24366334 CARBON FILM, 1/6W 330K OHM J R699 24011101 CHIP, METAL FILM, 1/20W 100 OHM J R832 24366471 CARBON FILM, 1/6W 470 OHM J R701 24011221 CHIP, METAL FILM, 1/20W 220 OHM J...
  • Page 33 Location Location Parts No. Description Parts No. Description R4406 24011333 CHIP, METAL FILM, 1/20W 33K OHM J R7799 24366222 CARBON FILM, 1/6W 2.2K OHM J R4407 24011223 CHIP, METAL FILM, 1/20W 22K OHM J R7845 24366221 CARBON FILM, 1/6W 220 OHM J R4408 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
  • Page 34 Location Location Parts No. Description Parts No. Description RA42 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RS02 24011271 CHIP, METAL FILM, 1/20W 270 OHM J RA43 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J RS03 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J RA44 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J...
  • Page 35 Location Location Parts No. Description Parts No. Description RW20 24366392 CARBON FILM, 1/6W 3.9K OHM J L728 23289102 COIL. PEAKING, TRF4102AF RW22 24366102 CARBON FILM, 1/6W 1K OHM J L729 23237805 COIL, PEAKING, TRF4222AC RW23 24366101 CARBON FILM, 1/6W 100 OHM J L730 23289102 COIL.
  • Page 36 Location Location Parts No. Description Parts No. Description LW04 23103859 FILTER, FERRITE CHOKE, TEM2011 AT24C16-10PI-2.7 LW05 23103859 FILTER, FERRITE CHOKE, TEM2011 Q712 23009328 IC, 16K BIT CMOS EEPROM, T400 23224364 TRANSFORMER, FOCUS, TLN2168AH AT24C16-10PI-2.7 T401 23224367 TRANSFORMER, HORIZ DRIVER, Q715 23906908 IC, MC33078D TLN1098AH...
  • Page 37 Location Location Parts No. Description Parts No. Description QA09 23114499 TRANSISTOR, RN1404 D601 23357219 DIODE, 1SS400 QA10 70114402 TRANSISTOR, 2SC3437-Y D602 23357219 DIODE, 1SS400 QA11 23114501 TRANSISTOR, RN1402 D603 23357219 DIODE, 1SS400 QA12 23205112 TRANSISTOR, 2SA1980UF-Y( D604 23357219 DIODE, 1SS400 QA13 23205112 TRANSISTOR, 2SA1980UF-Y(...
  • Page 38 Location Location Parts No. Description Parts No. Description D7711 23316716 DIODE, ZENER, MTZJ11B GC16 24000445 CHIP JUMPER, 1608TYPE D7713 23115599 DIODE, 1N4148 GC17 24000445 CHIP JUMPER, 1608TYPE D7736 23115599 DIODE, 1N4148 GJ11 24000445 CHIP JUMPER, 1608TYPE D7743 23115532 DIODE, ERB12-01 GJ21 24000445 CHIP JUMPER, 1608TYPE...
  • Page 39 23787875 POWER BOARD, PD0819A U904 23787874 DEF/CONV BOARD, PD0818A PICTURE TUBE * V911R 23588829 SERVICE KIT, SERVICE KIT CRT-R 43VJ22P * V912B 23588830 SERVICE KIT, SERVICE KIT CRT-G 43VJ22P * V913G 23588831 SERVICE KIT, SERVICE KIT CRT-B 43VJ22P TUNER H001 23321449 TUNER, HYP.EMULT ICPL D-J ALPS,...
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  • Page 41: Pc Boards Bottom View

    SIGNAL BOARD PD0817A BOTTOM (FOIL) SIDE – xx – – xx –...
  • Page 42 DEF/CONV BOARD PD818A BOTTOM (FOIL) SIDE – xx – – xx –...
  • Page 43 POWER BOARD PD0819A BOTTOM (FOIL) SIDE – xx – – xx –...
  • Page 44 CRD-D R BOARD PD0820A-1 F-AV/KEY BOARD PD0820A-4 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE CRD-D G BOARD PD0820A-2 BOTTOM (FOIL) SIDE RMT BOARD PD0820A-5 LED BOARD PD0820A-6 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE CRD-D B BOARD PD0820A-3 SVM BOARD PD820A-7 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE –...

  • Page 45: 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 RN2203 2SD1554 ON4409 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SC5143 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201 –...
  • Page 46 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 50 –...

  • Page 47: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 43VJ22P 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 48 – 52 –...

  • Page 49: Specifications

    SPECIFICATIONS AC 220 V – 240 V, 50/60 Hz Rated voltage Dimensions × × 958 mm 1163 mm 442 mm (Width × Height × Depth) 49.5 kg Mass Type 43 Screen size Television system System Channel CATV Channel (Aerial input) coverage 2 –...
  • Page 50 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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