Toshiba 61PH18P Service Manual
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Toshiba 61PH18P Service Manual

C01p chassis
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FILE NO. 030-200114
SERVICE MANUAL
COLOUR TELEVISION
C01P Chassis
61PH18P
PUBLISHED IN JAPAN Sep., 2001 So

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Summary of Contents for Toshiba 61PH18P

  • Page 1 FILE NO. 030-200114 SERVICE MANUAL COLOUR TELEVISION C01P Chassis 61PH18P PUBLISHED IN JAPAN Sep., 2001 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 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. 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 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 3) While pressing the o button, 1) Press o button once on 2) Press o button again to 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. 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 1) Select the Service mode. 2) While pressing CALL button on Remote 3) Press MENU button on TV. and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0”, “OPT1” and "OPT2" of DESIGN MODE are set to the data of the representative model of this chassis family.

  • 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 C01P: Series (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 ..Retma Pattern (PAL) G ..Crosshatch (PAL) B ..Crosshatch (PAL) Electrical focus : R ..
  • Page 17 Adjustment items Adjusting methods Focus adjustment 4) Adjust the G lens focus. (Applicable only to 43PH, 42W) The method mentioned left is Watch the horizon of the left and right both ends of the screen (the range of applied to the focus adjustment circle with 100mm diameter shown in the following sketch), make optimum on the G lens adjustment of adjustments on the G lens focus, and check that the focus balance on the...
  • Page 18 Adjustment items Adjusting methods Focus adjustment 4. B adjustment 1) Set to the B monochrome by lens cap. 2) Receive the image of Retma pattern. 3) Adjust the B electrical focus. Adjust by focus volume of the focus block (Z410) so that the screen center will come to optimum focus (point where the brightness gets minimized) 4) Receive the image of crosshatch pattern.
  • Page 19 – 19 –...

  • Page 20: 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 21 1-2. Remote Control Key o key ....Push this key twice and the set con- SIZE sole menu key to enter the service mode. F key ....Push this key and 7 key to enter and CALL cancel the convergence menu. TEXT 5 key ....
  • Page 22 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 23 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 Q713, and saved.
  • Page 24 3. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) 1.50 Hz mode (PAL) Screen center 310.5 The • mark indicates an adjusting position. 164.5 Screen center 164.5 310.5 12×A 216.5 72.2 72.2 216.5 \ mark: center 61 inches 4:3 Screen size: Horizontal 1240mm, Vertical 930mm Dimension A: 103mm, Dimension B: 50.7mm Screen center 2.

  • Page 25: Screen And Mirror Alignments

    SCREEN AND MIRROR ALIGNMENTS ASSEMBLING OF MOUNTING OF FRONT SCREEN FRONT SCREEN Fresnel sheet 5 screws Lenticular shield 3 screws FRONT Protect shield 3 screws Lenticular sheet Protect shield 3 screws FRONT Fresnel sheet Stick cotton cloth tape Label with part Label with part number number...

  • 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 61" HIGH VOLTAGE AT ZERO BEAM: 33.0 kV MAX HIGH VOLTAGE: 34.5 kV AC VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data Item Adjustment...

  • Page 28: Location Of Controls

    LOCATION OF CONTROLS Front Main Switch (Video-3) S-Video Terminal Video-3 Head Phone Menu Power (Red) Volume Down On Timer (Green) Exit Volume UP Position Down Position Up Back EXTERNAL SPEAKER SWITCH (EXT/INT) WOOFER OUT EXTERNAL SPEAKER TERMINAL VIDEO-2 (21 PINS S-Video AV) AERIAL TERMINAL VIDEO-1 (21 PINS Full) VIDEO-3 (21 PINS S-Video AV)
  • Page 29 NexTView Picture Controls Menu Control Buttons ENTER Menu Control Buttons ENTER MENU EXIT MENU Buttons EXIT • Stereo/Bilingual • Sound Mute VTR / DVD DVD/Video Recoder Buttons to operate your Toshiba Volume Video Recorder VTR / DVD – 29 –...
  • Page 30 – 30 –...

  • Page 31: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1 Speaker Grille Removal 2 Control Panel Removal 3 Front Mask Removal 4 Mask Removal A001 A201 A202 A201 A213 A223 (A214) (A216) A167 K502 A268 K501 A258 4 screws 5 Shield Plate, Lens Removal 6 Mirror Removal 7 Back Board Removal 8 Light Box Removal 5 screws...
  • Page 32 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 33 – – 34 –...

  • Page 33: Chassis And Cabinet Replacement Parts List

    CC : Carbon Composition : 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 : 61PH18P Location Location Location Location Location Location...
  • Page 34 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C481 24666101 ELECTROLYTIC, 16V 100UF M 3A...
  • Page 35 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C717 24109103 CERAMIC CHIP CK73B 50V 10000PF K...
  • Page 36 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C915 24679330 ELECTROLYTIC, 250V 33UF M 3A...
  • Page 37 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CC74 24109102 CERAMIC CHIP CK73B 50V 1000PF K...
  • Page 38 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CH173 24105102 CERAMIC CHIP CC73CH 25V 1000PF J CR02...
  • Page 39 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CX110 24797479 ELECTROLYTIC, 50V 4.7UF M CX218 24794221...
  • Page 40 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CX432 24092742 CERAMIC CHIP, 10V F 0.33UF Z R244...
  • Page 41 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R377 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
  • Page 42 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R618 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 43 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R817 24366681 CARBON FILM, 1/6W 680 OHM J...
  • Page 44 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R4453 24011682 METAL FILM CHIP 1/20W 6.8K J...
  • Page 45 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R7512 24011151 CHIP, METAL FILM, 1/20W 150 OHM J...
  • Page 46 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RA71 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
  • Page 47 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RG23 24321228 OXIDE METAL FILM, 1/2W 0.22 OHM J...
  • Page 48 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RS33 24011223 METAL FILM CHIP 1/20W 22K J...
  • Page 49 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RX221 24872470 CHIP, METAL FILM, 1/16W 47 OHM J RX362 24872223...
  • Page 50 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description L501 23289470 COIL, PEAKING, TRF4470AF...
  • Page 51 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description LH066 23103864 FILTER, CHIP-FERRITE-CHOKE-30, TEM2103T...
  • Page 52 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Q588 23314993 TRANSISTOR, 2SC4081 Q...
  • Page 53 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Q821 23135008 IC, STR-F6668B...
  • Page 54 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description QX04 23906951 IC, SN74AHCT1G32DCK...
  • Page 55 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description D754 23118041 DIODE, MA111...
  • Page 56 Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description DR63 23118041 DIODE, MA111...
  • Page 57 PICTURE TUBE XF02 23153394 CRYSTAL, 16.000000MHZ AT-51 * Z410 23110842 FOCUS PACK, TPA6031 * V911R 23588716 SERVICE KIT, PJTV CRT-R 61PH18P Z410A 23505177 CABLE, FOCUS * V912B 23588717 SERVICE KIT, PJTV CRT-G 61PH18P * Z450 24083013 COMPOSITE PARTS, CR-BLOCK TPA5010AH...
  • Page 58 A223 23445517 BUTTON, BUTTON POWER 50PH18P A258 23527149 GRILLE, SPK GRILLE ASSY 61H70 61H70 A268 23540172 COVER, FRONT COVER 61H70 61H70 * A424 23411607 CABINET, VENTED BACK BOARD 61PH18P A501 23035412 SCREW A505 72471068 SCREW, 4X12 A529 23037312 SCREW A529...

  • Page 59: Pc Boards Layout Top View

    PC BOARDS LAYOUT TOP VIEW – 61 –...
  • Page 60 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 62 –...
  • Page 61 SIGNAL BOARD PD0128B BOTTOM (FOIL) SIDE – 63 – – 64 –...
  • Page 62 DEF/CONVER BOARD PD0129B BOTTOM (FOIL) SIDE – 65 – – 66 –...
  • Page 63 MAIN POWER BOARD PD0132B BOTTOM (FOIL) SIDE – 67 – – 68 –...
  • Page 64 CRT-D RED BOARD PD0131A-1 CRT-D BLUE BOARD PD0131A-3 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE SVM GREEN BOARD PD0131A-4 BOTTOM (FOIL) SIDE CRT-D GREEN BOARD PD0131A-2 BOTTOM (FOIL) SIDE SVM RED BOARD PD0131A-5 BOTTOM (FOIL) SIDE – 69 – – 70 –...
  • Page 65 SVM BLUE BOARD PD0131A-6 BOTTOM (FOIL) SIDE DFS SDRAM BOARD PB9954 BOTTOM (FOIL) SIDE – 71 –...
  • Page 66 FRONT IN BOARD PD0133A-1 BOTTOM (FOIL) SIDE KEY-IND BOARD PD0133A-2 BOTTOM (FOIL) SIDE RMT IN BOARD PD0133A-3 BOTTOM (FOIL) SIDE – 72 –...
  • Page 67 D-CONV BOARD PB9486E BOTTOM (FOIL) SIDE MEGA-TEXT BOARD PD0130B BOTTOM (FOIL) SIDE – 73 –...
  • Page 68 EPG-POWER BOARD PD0205A BOTTOM (FOIL) SIDE EXT-SP BOARD PD0206A BOTTOM (FOIL) SIDE – 74 –...
  • Page 69 AC3 POWER BOARD PD0203A BOTTOM (FOIL) SIDE – 75 –...

  • Page 70: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 2SD1763A (old) 2SC2482 2SA562TM 2SC5243 2SC1569 2SA1015 2SC2655 2SC4544 2SC1815 2SC4721P 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 RN2203 2SD1554 ON4409 2SD2253 RN2201 RN2004 2SD1556 RN1203 2SC5143 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201 –...
  • Page 71 MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................– 77 –...
  • Page 72 MEMO ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................– 78 –...

  • Page 73: Specifications

    SPECIFICATIONS Rated voltage AC 220 V – 240 V, 50/60 Hz Dimensions × × 1297 mm 1539 mm 636.5 mm (Width × Height × Depth) Mass 146 kg Screen size Type 61 Television system System Channel CATV Channel (Aerial input) coverage CCIR 2 –...
  • Page 74 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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