Toshiba 43VJ33Q Service Manual
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Toshiba 43VJ33Q Service Manual

Toshiba 43VJ33Q Service Manual

Colour television
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SERVICE MANUAL

Colour Television

FILE NO. 030-200403
43VJ33Q
50VJ33Q
Published in Japan, May. 2004 (YC)
VJ13 Chassis

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Summary of Contents for Toshiba 43VJ33Q

  • Page 1: Colour Television

    FILE NO. 030-200403 SERVICE MANUAL Colour Television VJ13 Chassis 43VJ33Q 50VJ33Q Published in Japan, May. 2004 (YC)

  • 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. R G B SCREEN VR's FOCUS VR's Speaker grille 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, press MENU button on TV set. Remote Control. keep pressing. Item Data or Sound Mute (Service mode display) 2.
  • Page 11 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL button in the service mode changes the adjustment items in the order of table-2. button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 26) 5.

  • Page 12: Self Check

    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 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. 2. Press the VOLUME t button to get the picture so the left (WID) or right edges of raster begins to lack. 3.
  • Page 15 Reference factory adjustment - 15 -...
  • Page 16 Adjustment items Adjusting methods Focus adjustment (Conditions) - User adjustment: Dynamic mode, Cinema mode - To be performed after centering magnet adjustment. - Signal : Lens: R ..Crosshatch (PAL) G ..Crosshatch (PAL) B ..Crosshatch (PAL) Electrical focus : R ..
  • Page 17 Adjustment items Adjusting methods Focus adjustment Concerning items 1), 2), 3), and 5) of G adjustment, these are common to the ones on the previous page. 3. R adjustment 1) Set to the R monochrome by lens cap. 2) Receive the image of the internal crosshatched pattern. 3) Adjust the R electrical focus.
  • Page 18 - 18 -...

  • Page 19: 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 20 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 21 b) 60 Hz mode (NTSC) ..Correcting point: Horizontal 8 x Vertical 7 (Arrow marks denote correcting point) The first picture The second 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 22 3. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) [4:3] 1. 50 Hz mode (PAL) Screen center (360.0) 310. (318.0) 164.5 (191.0) (63.5) Screen center (63.5) (191.0) 164.5 (318.0) 310.5 (360.0) 8.5mm 8.5mm 372.5 223.5 74.5 74.5 223.5 372.5 (431.5) (259.0) (86.3) (86.3) (259.0) (431.5) 428.
  • Page 23 4. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) [16:9] 1. 50 Hz mode (PAL) Screen center (270.2) 232. (238.4) 205. (143.2) 123.4 (47.9) 41.3 Screen center (47.9) 41.3 (143.2) 123.4 (238.4) 205.5 (270.2) 232.9 8.5mm 8.5mm 372. 223.5 74.5 74.5 223.5 372.5 (431.5) (259.0) (86.3)
  • Page 24 5. Deflection amplitude setting (HIT/WID adjusting method under muted convergence) * Green pattern under the muted convergence Screen edge 0 point 2nd flag 1st flag Castration border line Horizontal amplitude: Left and right register marks of Philips pattern C + D = 8 (See A of the upper figure.) Vertical amplitude: The point where the 3rd vertical line outer from the upper and lower register marks of Philips pattern is overlapped with flags contacts the screen edge.

  • Page 25: 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 26: 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 27: 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 28: Location Of Controls

    LOCATION OF CONTROLS 43VJ33Q 50VJ33Q Power Button RED-Power On RED-Power On Power Button - 28 -...
  • Page 29 Remote Control Key To display teletext To bring up on-screen information and for the teletext initial/index function For On/Standby mode Number buttons To select input from external sources To access sub-pages when in teletext To return to the previous programme mode Aspect ratio (16:9 or 4:3) Selectable picture preferences...

  • Page 30: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY Auto tune Programm skip Before running Auto tune put your decoder and video To prevent certain programmes from being viewed, the recorder to Standby. To set up the TV use the buttons programme position can be skipped and the remote on the remote control.

  • Page 31: Mechanical Disassembly

    MECHANICAL DISASSEMBLY K502 K601 K501 Labels A004 (A420) A424 A201 A225 A258 K101 K102 K103 - 31 -...

  • Page 32: 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 : 43VJ33Q / 50VJ33Q Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 33 Location Location Parts No. Description Parts No. Description C481 24666101 ELECTROLYTIC 04Q, 16V 100UF M 3A C735 24092730 CERAMIC CHIP, 16V B 0.1UF K C482 24591223 PLASTIC FILM, 50V 0.022UF J C736 24100104 CERAMIC CHIP, 25V F 0.1UF Z C483 24591223 PLASTIC FILM, 50V 0.022UF J C739...
  • Page 34 Location Location Parts No. Description Parts No. Description C864 24092474 CERAMIC DISC, 2KV B 220PF K C7729 24212331 CERAMIC DISC, 50V B 330PF K C866 24503049 PLASTIC FILM, 63V 0.47UF J C7730 24212101 CERAMIC DISC, 50V B 100PF K C867 24591682 PLASTIC FILM, 50V 6800PF J C7731...
  • Page 35 Location Location Parts No. Description Parts No. Description CR02 24092538 CERAMIC CHIP, 10V F 1UF Z R121 24011103 CHIP, METAL FILM, 1/20W 10K OHM J CR03 24092538 CERAMIC CHIP, 10V F 1UF Z R122 24011221 CHIP, METAL FILM, 1/20W 220 OHM J CR04 24092538 CERAMIC CHIP, 10V F 1UF Z...
  • Page 36 Location Location Parts No. Description Parts No. Description R373 24011823 CHIP, METAL FILM, 1/20W 82K OHM J R483 24366103 CARBON FILM, 1/6W 10K OHM J R374 24011104 CHIP, METAL FILM, 1/20W 100K OHM J R484 24552821 OXIDE METAL FILM, 1/2W 820 OHM J R375 24011153 CHIP, METAL FILM, 1/2OW 15K OHM J...
  • Page 37 Location Location Parts No. Description Parts No. Description R728 24011221 CHIP, METAL FILM, 1/20W 220 OHM J R891 24366152 CARBON FILM, 1/6W 1.5K OHM J R729 24011221 CHIP, METAL FILM, 1/20W 220 OHM J R901 24366101 CARBON FILM, 1/6W 100 OHM J R732 24011473 CHIP, METAL FILM, 1/20W 47K OHM J...
  • Page 38 Location Location Parts No. Description Parts No. Description R7197 24011100 CHIP, METAL FILM, 1/20W 10 OHM J RA08 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J R7198 24011221 CHIP, METAL FILM, 1/20W 220 OHM J RA09 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R7316 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
  • Page 39 Location Location Parts No. Description Parts No. Description RB96 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J RV29 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RB97 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J RV30 24872750 CHIP, METAL FILM, 1/16W 75 OHM J RC01 24011681 CHIP, METAL FILM, 1/20W 680 OHM J...
  • Page 40 Location Location Parts No. Description Parts No. Description L404 23248242 COIL, CHOKE, TLN3495AH L4401 23289840 COIL, PEAKING, TRF4100AT L405 23221076 COIL, CHOKE, TLN1015R L4471 23289840 COIL, PEAKING, TRF4100AT L406 23248243 COIL, CHOKE, TLN3496AH LA02 23103828 INDUCTOR, BEAD, TEM2121M L407 23103775 COIL, FERRITE CHOKE, TEM2014 LA04 23103828...
  • Page 41 Location Location Parts No. Description Parts No. Description Q492 23114541 TRANSISTOR, 2SA1320 QA61 23114497 TRANSISTOR, RN1406 Q501 23009660 IC, PAL/NTSC/SECAM 1CHIP TB1262AF(DRY) QB01 23205112 TRANSISTOR, 2SA1980UF-Y Q504 23205112 TRANSISTOR, 2SA1980UF-Y QB02 23114433 TRANSISTOR, 2SC1815-Y @U906D Q505 23205112 TRANSISTOR, 2SA1980UF-Y 23314993 TRANSISTOR, 2SC4081 Q @U902 Q610 23000269...
  • Page 42 Location Location Parts No. Description Parts No. Description D611 23357219 DIODE, 1SS400 DR06 23357219 DIODE, 1SS400 D628 23118269 DIODE, ZENER, RD22MB2 DR07 23357219 DIODE, 1SS400 D701 23357219 DIODE, 1SS400 DR08 23357219 DIODE, 1SS400 D702 23357219 DIODE, 1SS400 DR09 23357219 DIODE, 1SS400 D703 23357219 DIODE, 1SS400...
  • Page 43 SWITCH, PUSH, SKHHLMA010 CABINET PARTS SA07 #2 23145430 SWITCH, PUSH, SKHHLMA010 SR81 23146574 RELAY, DLS5D1-O(M) 0.15W A001 #1 23429066 CABINET, WOOD CABINET 43VJ33Q WOOD CABINET ASSY V901A 23903148 SOCKET, ISH-44S-E ICE #5 ISH-44S-E #5 A004 #2 23540930 COVER, MIRROR COVER V902A 23903148...
  • Page 44 Location Parts No. Description A225 #1 23445723 BUTTON, POWER BUTTON A241 #2 23445724 BUTTON, BUTTON POWER A258 #1 23530905 COVER, GRILLE ASSEY A263 #2 23451868 PUSH CATCH A266 #1 23450677 PANEL, POLE SPK GRILLE (RIGHT) A268 #1 23450678 PANEL, POLE SPK GRILLE (LEFT) A420 #1 23532167 COVER, BACK COVER PROPER A424 #1 23411739...

  • Page 45: Pc Boards Bottom View

    SIGNAL BOARD PD0817E (U902) BOTTOM (FOIL) SIDE - 45 - - 46 -...
  • Page 46 DEF/CONV BOARD PD0818B (U904) BOTTOM (FOIL) SIDE - 47 - - 48 -...
  • Page 47 POWER BOARD PD0819B (U903) BOTTOM (FOIL) SIDE - 49 - - 50 -...
  • Page 48 CRT-D/R BOARD PD1439C1 (U901A) CRT-D/G BOARD PD1439C2 (U901B) CRT-D/B BOARD PD1439C3 (U901C) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE P907 23547450 P927 23547450 P916 Q9601 R-8500 R9606 P910 PV16A P908 PV14B C9602 P906 P926 R-8500 R9602 CRT-G 23547450 R9603 R-8500 V902A...
  • Page 49 FRONT IN BOARD PD1103E1 (U906A:43VJ33Q) RMT IN BOARD PD1103E2 (U906B:43VJ33Q) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE FRONT IN BOARD PD1440C1 (U906A:50VJ33Q) IND BOARD PD1103E4 (U906D:43VJ33Q) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE SA01 PV40 DB01 DB02 DB01A DB02A CC49 CC50 RA76...

  • Page 50: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752 2SA1788 2SC752GTM (old) 2SD1763A 2SA562TM 2SC2482 2SC1569 2SC5243 2SC2655 2SA1015 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 RN2203 2SD1554 ON4409 RN2201 2SD2253 RN2004 2SD1556 2SC5143 RN1203 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201 - 55 -...

  • Page 51: Schematic Diagram

    [ SHEET - 1/2 ] ....6/10 ( CONV ) [ SHEET - 2/2 ] ....7/10 CRT-D / SVM Circuit ....................8/10 FRONT IN / RMT IN IND Circuit (43VJ33Q) ............... 9/10 10/10 FRONT IN / RMT IN Circuit (50VJ33Q) ..............- 56 -...
  • Page 52 CRT.R CRT.G CRT.B BLK/CP/B-MASK Y2/U/Vin TC90A61F YCbCr HD/VD CVBS/Y2in YCbCr1in RGB1in QV01 - 57 -...

  • Page 53: Specifications

    Specifications Broadcast systems/channels Programme Positions PAL- I UHF UK21-UK69 Nicam Stereo PAL-B/G UHF E21-E69 2 carrier system VHF E2-E12, S1- S41 Visible Screen Size (approx.) 43ins 109cm SECAM-L UHF F21-F69 50ins 126cm VHF F1-F10, B- Q Display SECAM-D/K UHF R21-R69 VHF R1-R12 Sound output (at 10% distortion) Main 14W + 14W...

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