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Toshiba 43CJH9UR Service Manual

Projection television
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FILE NO. 040-200412
SERVICE MANUAL
Projection Television
43CJH9UR
43JH9UE
43JH9UT
Sep. 2004 (YC/X)

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Summary of Contents for Toshiba 43CJH9UR

  • Page 1 FILE NO. 040-200412 SERVICE MANUAL Projection Television 43CJH9UR 43JH9UE 43JH9UT Sep. 2004 (YC/X)

  • 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 CIRCUIT CHECKS ..............................

  • 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: 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, 8 o'clock 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 PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT ADJUSTING PROCEDURE IN REPLACING CRT RGB FOCUS ADJUSTMENT 1. Call-up the adjustment mode (see page 10) User convergence center check Cutoff 2.
  • Page 7 In case of warming up of more than 2 hours under a condition Note: Keep in mind that only the BLUE electric focus is ad- that the large anode current is running through the projection justed with the black cross-hatch. tube so that for example the all-white pattern appears, adjust to obtain the sharpest focus while observing the whole screen 20.
  • Page 8 LOCATION OF SCREEN AND FOCUS VR’S To remove the Speaker grille and Front panel. FOCUS VR’s SCREEN VR’s Front grill 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 fig- ure below, and put it on new lead.

  • Page 9: Service Position

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” 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 27) 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. Firmware: Version information of microprocessor In case of file name : JH9_PJ and Version : 1.00 indicates[JH9_PJ_100].

  • Page 13: Design Mode

    DESIGN MODE 1. ENTERING TO DESIGN MODE 3) The following displays 1) Select the Service mode. 2) While pressing CALL button on Remote are shown on the screen and press MENU button on TV. Press Press (Design mode) Version information of microprocessor Main tuner information Sub tuner information...

  • 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. (Picture size wide) 3.
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  • Page 18 Green Alignment/Astigmatic Adjustments Adjustment items Adjustment methods Alignment Adjustment Procedures (Make this adjustment by using a lens cap. This adjustment should be made after adjusting the electric focus and lens focus rough and making a Centering Adjust- ment.) 1. Set the G monochrome by a lens cap. 2.
  • Page 19 Focus Adjustment (1/2) Adjustment items Adjustment methods Focus adjustment (Conditions) - User adjustment: Dynamic mode - To be performed after centering magnet adjustment. - Signal: Lens focus: R ..Dotcross (PAL) G ..Dotcross (PAL) B ..Dotcross (PAL) Electric focus: R ..
  • Page 20 Focus Adjustment (2/2) Adjustment items Adjustment methods Focus adjustment 3. R adjustment 1) Set to the R monochrome by lens cap. 2) Receive the image of the crosshatched pattern. 3) Adjust the R electric focus. Adjust by focus volume of the focus block (Z410) so that the screen center will come to optimum focus.
  • Page 21 Convergence Pattern Dimensions SCREEN SIZE 43INCH : 874 × 655 NET GEOMETRY (mm) 1. PAL 100Hz, D-HYP 4:3 mode DIMENSIONS 1) VERTICAL MODEL a, a' b, b' c, c' d, d' V SPAN 43inch 55.0 164.5 274.0 310.5 36.5 2) HORIZONTAL MODEL A, A' B, B'...
  • Page 22 3. NTSC D-HYP scan DIMENSIONS 1) VERTICAL MODEL a, a' b, b' c, c' V SPAN 43inch 120.6 241.2 281.4 40.2 2) HORIZONTAL MODEL A, A' B, B' C, C' D, D' H SPAN 43inch 70.9 212.7 354.5 425.4 70.9 REMARKS Finished quality: HORIZONTAL C+D=9.6 lines (4.8 lines each), VERTICAL A+B=8.4 lines (4.2 lines each) 4.
  • Page 23 5. 1080i/50Hz input 16:9 mode DIMENTIONS 1) VERTICAL MODEL a, a' b, b' c, c' V SPAN 43inch 90.3 180.6 210.7 30.1 2) HORIZONTAL MODEL A, A' B, B' C, C' D, D' H SPAN 43inch 73.3 219.9 366.5 434.0 73.3 REMARKS –...
  • Page 24 1080i/60, 1080i/50 Finished picture size 1) Amplitude when LEADER LT446 used Adjusting Adjusting scale for the scale for the horizontal horizontal amplitude 1 amplitude 2 1.1080i/50Hz,1080i/60Hz horizontal amplitnde Adjusting scale for the horizontal amplitude 1 Align the 11th left register mark to the screen edge.
  • Page 25 When monoscope pattern is used, the amplitude is 1080i/60Hz Horizontal amplitude Align the edges of the wedge marks on both left and right to the screen edges. – 25 –...

  • 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

    HPOS V-F CORRECTION 50Hz H-POSITION ← VPOS V-POSITION Table-2 [DESIGN MODE] ADJUSTING ITEMS AND DATAS IN THE DESIGN MODE: Item Name of adjustment Preset Data 43CJH9UR 43JH9UE/43JH9UET Remarks ← OPT0 OPTION 0 ← ← OPT1 OPTION 1 ← ← OPT2 OPTION 2 ←...

  • Page 28: Location Of Controls

    LOCATION OF CONTROLS Front – + a Input source selection – ; + Volume < > Menu c Channel position ts a (3) Video 3 input Menu terminals On-timer indicator 7 POWER indicator Behind the door L/MONO S-VIDEO VIDEO AUDIO MENU Press to open the door...

  • Page 29: Remote Control

    Remote Control • i Index/Initail • CALL Power on/Standby Press the CALL button to display CALL (For Toshiba TV/VCR/DVD only) the following on-screen information: • Channel position number or video input mode selected • I/II Number buttons (0-9) (stereo), (bilingual) or Mono sound status •...

  • Page 30: Mechanical Disassembly

    MECHANICAL DISASSEMBLY A282 K502 K601 A283 16 SCREWS K501 SCREWS SCREWS A401 A402 A282 Labels SCREWS A201 SCREWS SCREWS A172 A171 (CASTER) A101 A203 4 SCREWS SCREWS 6 SCREWS A204 – 30 –...

  • Page 31: 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 : 43CJH9UR/43JH9UE/43JH9UT Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
  • Page 32 24214221 CERAMIC DISC, 500V B 220PF K C921 24211102 CERAMIC DISC, 2KV B 1000PF K C823 #1 24503041 PLASTIC FILM , 63V 0.1UF J 43CJH9UR C922 24794101 ELECTROLYTIC, 16V 100UF M #2 24503041 PLASTIC FILM , 63V 0.1UF J 43JH9UE/UT @M053Z...
  • Page 33 Location Parts No. Description Location Parts No. Description C7209 24214472 CERAMIC DISC, 500V B 4700PF K CC09 24109102 CERAMIC CHIP, 50V B 1000PF K C7210 24666470 ELECTORLYTIC, 16V 47UF M 3A CC10 24109102 CERAMIC CHIP, 50V B 1000PF K C7211 24666470 ELECTORLYTIC, 16V 47UF M 3A CC11 24109102 CERAMIC CHIP, 50V B 1000PF K...
  • Page 34 Location Parts No. Description Location Parts No. Description R343 24011102 CHIP, METAL FILM, 1/20W 1K OHM J R470 24322478 OXIDE METAL FILM, 1W 0.47 OHM J R344 24382151 OXIDE METAL FILM, 1W 150 OHM J R471 24366224 CARBON FILM, 1/6W 220K OHM J R345 24000445 CHIP JUMPER, 1608TYPE R472...
  • Page 35 Location Parts No. Description Location Parts No. Description #3 24988059 METAL FILM 2W 4.7 J 43JH9UE/UT R943 24366560 CARBON FILM, 1/6W 56 OHM J R821 #2 24321479 OXIDE METAL FILM, 1/2W 4.7 OHM J 43JH9UE/UT R944 24568272 CERAMIC COVERED G 7W 2.7K J #3 24321479 OXIDE METAL FILM, 1/2W 4.7 OHM J 43JH9UE/UT R945 24366150 CARBON FILM, 1/6W 15 OHM J...
  • Page 36 Location Parts No. Description Location Parts No. Description R7112 24872121 CHIP, 1/16W 120 OHM J R7712 24011472 CHIP, 1/20W 4.7K OHM J R7113 24872821 CHIP, 1/16W 820 OHM J R7713 24011472 CHIP, 1/20W 4.7K OHM J R7114 24872681 CHIP, 1/16W 680 OHM J R7715 24383221 OXIDE METAL FILM, 2W 220 OHM J R7115...
  • Page 37 Location Parts No. Description Location Parts No. Description R7890 24000445 CHIP JUMPER, 1608TYPE RG06 24011103 CHIP, METAL FILM, 1/20W 10K OHM J R7891 24000445 CHIP JUMPER, 1608TYPE RG07 24366103 CARBON FILM, 1/6W 10K OHM J R7892 24011472 CHIP, 1/20W 4.7K OHM J RG08 24366103 CARBON FILM, 1/6W 10K OHM J R7893...
  • Page 38 23233116 COIL, LINIALITY, TLN2222AH T461Z 23236935 TRANSFORMER, FLY-BACK SERVICE TFB3094YZ L462 23231390 DEFLECTION YOKE, TDY707RD T801 #1 23211783 COIL, LINE FILTER, TRF3234AR 43CJH9UR L463 23231390 DEFLECTION YOKE, TDY707RD #2 23211763 COIL, LINE FILTER 35X32H TRF3241AQ 43JH9UE/UT L464 23231390 DEFLECTION YOKE, TDY707RD...
  • Page 39 Location Parts No. Description Location Parts No. Description Q610 23205005 TRANSISTOR, KTA2014Y Q7003 70114402 TRANSISTOR, 2SC3437-Y Q611 23205204 TRANSISTOR, KTC2875B-RTK Q7004 23114432 TRANSISTOR, 2SC1815-GR Q612 23205204 TRANSISTOR, KTC2875B-RTK Q7005 23314476 TRANSISTOR, 2SC2712-GR Q613 23205006 TRANSISTOR, KTC4075Y Q7006 23314476 TRANSISTOR, 2SC2712-GR Q614 23205236 TRANSISTOR, NPN R1=4.7K R2=47K KRC106S (SOT-23) Q7007...
  • Page 40 23316231 DIODE, 1SS355 D845 23118041 DIODE, MA111 D7761 23118520 DIODE, ZENER, RD8.2ES B2 D846 #1 23118633 DIODE, ZENER, RD3.0ES B2 43CJH9UR D7762 23118520 DIODE, ZENER, RD8.2ES B2 #2 23357250 DIODE, ZENER, DZ3.0 BS B 43JH9UE/UT D7763 23316231 DIODE, 1SS355 #3 23357250 DIODE, ZENER, DZ3.0 BS B 43JH9UE/UT...
  • Page 41 M062Z 23762661 PWU IF/AUDIO PD1928-2 PG02B 23368578 CONNECTOR, PLUG 4P, 2.5MM G JST-EH, B4B-EH-F1-TV4 U801 #1 23763033 PWU PWR/DEF RUSSIAN PD2026, 43CJH9UR PG20A 23367070 PLUG , NP 2.5MM G JST-EH B10B-EH-F1A #2 23762659 PWU POWER/DEF PD1930, 43JH9UE/UT PG20B 23367070 PLUG , NP 2.5MM G JST-EH B10B-EH-F1A #3 23762659 PWU POWER/DEF PD1930, 43JH9UE/UT –...
  • Page 42 Y101E #2 23566491 OWNERS MANUAL, ENGLISH @E111 43JH9UE #3 23566491 OWNERS MANUAL, ENGLISH @E112 43JH9UT Y101J #2 23566495 OWNERS MANUAL, INDONESIAN 43JH9UE Y101R #1 23566494 OWNERS MANUAL, ENG/RUSS 43CJH9UR Y101T #3 23566493 OWNERS MANUAL, THAI 43JH9UT Y109 23943846 BAG, POLY...

  • Page 43: Pc Boards Top And Bottom Views

    POWER/DEF BOARD PD2026 (43CJH9UR) (U801) BOTTOM (FOIL) SIDE P831A P880A R883 D881 Q862 CCP-3400S R874 R864 R868 R475 Q370 C370 R873 C316 R370 C898 D885A D885 C854 R371 L889 R373 C862 D864 R374 L888 R364 L864 Q330 D327 L310 L896...
  • Page 44 POWER/DEF BOARD PD1930 (43JH9UE/43JH9UT) (U801) BOTTOM (FOIL) SIDE P831A P880A D885 D881 Q862 CCP-3400S R883 R864 R874 R873 R373 R475 R868 D864 Q370 R370 C370 R364 C316 C898 D885A C854 R371 R865 L889 C862 L310 R374 L888 Q881 Q330 D327 L896 R372 D308...
  • Page 45 HYPER SIGNAL BOARD UD1828 (U901) TOP (COMPONENT) SIDE – 47 – – 48 –...
  • Page 46 HYPER SIGNAL BOARD UD1828 (U901) BOTTOM (FOIL) SIDE – 49 – – 50 –...
  • Page 47 CONV OUT BOARD PD1928-1 (M061Z) BOTTOM (FOIL) SIDE R7911 R7910 C7721 PF01A BB60A 23547632 C7726 C7813 R7890 R7890 R7913 R7891 D7809 R7892 Q788 C7724 Q795 C7810 C7810 R7908 C7706 Q797 Q768 Q767 R7872 Q797 Q766 Q751A Q765 R7909 L7709 R7907 Q766 Q765 Q752A...
  • Page 48 CRTD/SVM R BOARD PD1855-1 (M031Z) BOTTOM (FOIL) SIDE Q902 R7009 L7001 R7007 Q7003 R7001 D941 R7009 Q7002 C7006 C7003 D940 C933 R7010 C7002 R7007 Q7002 Q7001 R7012 L907 C7002 R7010 R7012 Q7006 R901 R7004 R7019 Q913 23547635 Q7008 R7023 R7004 R7020 Q7008 Q7006...
  • Page 49 LED BOARD PD1858 (UA03) LED BOARD PD1858 (UA03) TOP (COMPONENT) SIDE BOTTOM (FOIL) SIDE PD1799 DS-1107 23590031A RB40 QB05 PB30B DB20 23547638 RB20 RB41 QB02 DB21 RB25 DB20 DB21 RB30 RB29 RB28 RB23 RB21 RB30 RB29 RB28 RB23 RB22 RB22 RB21 CB27 CB26...
  • Page 50 BACK AV BOARD PD1929-1 (M051Z) G1 MODU BOARD PD1929-2 (M052Z) BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE GRG02 CG16 RG42 GRG02 RG45 PG01A DG01 RG29 RG31 RG01 RG30 GRG01 QG06 DG02 RG10 RG08 RG63 QG11 RG33 RV227 CG05 RG62 CG10 RV226 RG19 QG08 RG32...

  • Page 51: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS – 59 –...
  • Page 52 MEMO – 60 –...

  • Page 53: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 43CJH9UR/43JH9UE/43JH9UT 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 54 – CRT-D SVM (R,G) Circuit ........................ 8/67 – CRT-D SVM (B) Circuit ........................9/67 – FRONT CON/IN Circuit ........................10/67 – POWER DEF Circuit (43CJH9UR) [ SHEET-1/3 ] ........11/67 – [ SHEET-2/3 ] ........12/67 – [ SHEET-3/3 ] ........13/67 –...
  • Page 55 – 63 –...
  • Page 56 MEMO – 64 –...

  • Page 57: Specifications

    SPECIFICATIONS MODEL 43CJH9UR 43JH9UE 43JH9UT Rated voltage ~220 – 240 V, 50 Hz ~110 – 127, 220 – 240 V, 50/60 Hz Power consumption 240 W (at ~ 220 V, 50 Hz) 2.0 watts at standby 0 watt at switch off Dimensions 943 mm ×...
  • Page 58 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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