Toshiba 26HL83 Service Manual
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Toshiba 26HL83 Service Manual

Toshiba 26HL83 Service Manual

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FILE NO. 010-200311
SERVICE MANUAL
LCD TELEVISION
26HL83
DOCUMENT CREATED IN JAPAN, Sep., 2003

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  • Page 1 FILE NO. 010-200311 SERVICE MANUAL LCD TELEVISION 26HL83 DOCUMENT CREATED IN JAPAN, Sep., 2003...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 HANDLING THE LCD MODULE ............................5 LOCATION OF CONTROLS ..............................7 LAYOUT OF MAJOR BOARDS ............................9 MECHANICAL DISASSEMBLY ............................10 PACKING DISASSEMBLY ..............................26 WIRING CONNECTION DIAGRAM ........................... 27 CHASSIS AND CABINET REPLACEMENT PARTS LIST ....................31 PC BOARDS BOTTOM VIEW ............................

  • Page 3: Service Safety Precautions

    SERVICE SAFETY PRECAUTIONS • The caution items shown here describe major safety issues and should always be observed. • The meanings of the various indications are as follows. Indicates a hypothetical situation in which service personnel and nearby third parties, or even WARNING end users due to a product defect after the service operation is completed, could possibly be in danger of injury or even death in the event of operational error.
  • Page 4 WARNING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. KEEP CHILDREN AWAY • Always disconnect the power plug before starting work whenever power is not required. Failure to disconnect the power plug before starting work can result in electrical shock. UNPLUG •...

  • Page 5: Handling The Lcd Module

    HANDLING THE LCD MODULE Safety Precautions 3. If the panel surface becomes soiled, wipe with cotton or a In the event that the screen is damaged or the liquid crystal soft cloth. If this does not remove the soiling, breathe on (fluid) leaks, do not breathe in or drink this fluid.
  • Page 6 7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time. 8. Do not store the LCD module below the temperature con- ditions described in the specifications. Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage.

  • Page 7: Location Of Controls

    LOCATION OF CONTROLS Remote sensor TV front TheaterLink Power (IR pass through) indicator POMER POMER Push up Push up Left pocket panel Right pocket panel VIDEO-3 IN TV/VIDEO MENU VOLUME CHANNEL POWER S-VIDEO VIDEO L/MONO HEADPHONE AUDIO MENU POWER Headphones jack VIDEO-3 Volume T S...
  • Page 8 Remote Control POWER turns the TV on and off. SLEEP allows access to the automatic TV shut-off function . LIGHT The first press of the LIGHT button lights the keypad and turns on the Illumination mode. With the Illumination mode on, pressing any other key lights the keypad for 5 seconds (10 seconds if you’re in programming mode).

  • Page 9: Layout Of Major Boards

    LAYOUT OF MAJOR BOARDS SCALER & A-OUT Board OSD/MICON Module DD POWER Module G-HYPER Module SWG POWER Module LED/RMT Board FRONT/AV Board BACK/AV Board DVI Board TIF-MA Board KEY Board RF SW Module SIGNAL Board – 9 –...

  • Page 10: Mechanical Disassembly

    MECHANICAL DISASSEMBLY R Removing the rear cover Note: Be sure to lay down the main body (by placing its screen downward) for disassembling. • Remove 13 screws (A). • Remove 4 screws (B). – 10 –...
  • Page 11 R Removing the brackets • Remove 14 screws (C). • Remove 7 screws (D) and 2 screws (E). – 11 –...
  • Page 12 R Removing the brackets • Remove flexible wire. • Disconnect the 60P connector. 60P connector G-HYPER Module Push – 12 –...
  • Page 13 R Removing the A-OUT board • Remove 3 screws (F). A-OUT Board – 13 –...
  • Page 14 R Removing the SCALER & OSD/MICON module • Remove 4 screws (G). • Remove 3 connectors. Disconnect Disconnect – 14 –...
  • Page 15 R Removing the SIGNAL board • Remove 4 screws (H) on the SIGNAL board. SIGNAL Board – 15 –...
  • Page 16 R Removing the LED/RMT board & POW SW board • Remove 2 screws (J) on the LED/RMT board. • Remove 4 screws (K) on the POW SW board. LED/RMT Board – 16 –...
  • Page 17 R Removing the DVI unit & RF SW module • Remove 2 screws (L) to detach the DVI unit. • Remove 3 nuts (M) fixing the RF SW module. DVI Unit RF SW Module – 17 –...
  • Page 18 R Removing the SWG POWER/DD POWER module & TIF-MA board • Remove 9 screws (O) ON THE SWG POWER module. • Remove 6 screws (P) on the DD POWER module. • Remove 4 screws (Q) on the TIF-MA board. SWG POWER DD POWER TIF-MA Module...
  • Page 19 R Removing the BACK/AV board • Remove 2 screws (R) fixing the AC cord bushing. • Remove 10 screws (S) on the BACK/AV panel. • Remove 4 screws (T) on the BACK/AV board. BACK/AV Board AC Cord Bushing BACK/IN Panel –...
  • Page 20 R Removing the FRONT/AV board • Open the FRONT/AV board holder. • Remove 3 screws (U). OPEN FRONT/AV Board – 20 –...
  • Page 21 R Removing the KEY board • Open the KEY board holder. • Remove 2 screws (V). OPEN KEY Board – 21 –...
  • Page 22 R Removing the chassis block • Remove 15 screws (W). – 22 –...
  • Page 23 R Removing the LCD block • Remove 4 screws (X). Shield Case Shield Case LCD Block – 23 –...
  • Page 24 R Removing the front panel • Remove 4 screws (Z). – 24 –...
  • Page 25 A207 A201 P801 UF01 XH02 UF01 W661 U001A W662 U001B A101 W661 W662 U002C – 25 –...

  • Page 26: Packing Disassembly

    PACKING DISASSEMBLY K902 Y101 Y170 A401 A401 Power code A401 A401 A406 – 26 –...

  • Page 27: Wiring Connection Diagram

    WIRING CONNECTION DIAGRAM ∗ In case where it is indistinct or hard to read, please refer to the attached Circuit Diagram (A1 size). – 27 – – 28 –...
  • Page 28 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 29 – – 30 –...

  • Page 29: 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 : 26HL83 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 30 Location Location Parts No. Description Parts No. Description C4703 24073082 ELECTROLYTIC, 50V 2.2UF M 3A CS15 24092726 CERAMIC CHIP CK733B 16V 2,200,000PFK C4704 24092753 CERAMIC CHIP, 10V B 0.22UF K CS16 24092726 CERAMIC CHIP CK733B 16V 2,200,000PFK C4705 24073082 ELECTROLYTIC, 50V 2.2UF M 3A CS20 24669478 ELECTROLYTIC, 50V 0.47UF M 3A...
  • Page 31 Location Location Parts No. Description Parts No. Description CV244 24109103 CERAMIC CHIP, 50V B 0.01UF K R133 24011101 CHIP, METAL FILM, 1/20W 100 OHM J CV245 24092441 CERAMIC CHIP, 16V F 1UF Z R134 24011103 CHIP, METAL FILM, 1/20W 10K OHM J CV246 24092441 CERAMIC CHIP, 16V F 1UF Z R135...
  • Page 32 Location Location Parts No. Description Parts No. Description R4702 24011272 CHIP, METAL FILM, 1/20W 2.7K OHM J RS02 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J R4704 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RS03 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J R4705 24011474 CHIP, METAL FILM, 1/20W 470K OHM J...
  • Page 33 Location Location Parts No. Description Parts No. Description RS76 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J RV120 24871750 CHIP, METAL FILM, 1/8W 75 OHM J RS79 24011104 CHIP, METAL FILM, 1/20W 100K OHM J RV121 24871750 CHIP, METAL FILM, 1/8W 75 OHM J RS80 24011104 CHIP, METAL FILM, 1/20W 100K OHM J...
  • Page 34 Location Location Parts No. Description Parts No. Description RY508 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J LC04 23103828 INDUCTOR, BEAD, TEM2121M RY509 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J LV01 23103159 FILTER, EMI, TEM2028AA, 7.5X6.4X8 RY510 24011152 CHIP, METAL FILM, 1/20W 1.5K OHM J 60MMH 0.5A RY511 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J...
  • Page 35 Location Location Parts No. Description Parts No. Description QB54 23314994 TRANSISTOR, 2SA1576A106 D621 23316231 DIODE, 1SS355 QS03 23314993 TRANSISTOR, 2SC4081 Q D622 23316231 DIODE, 1SS355 QS04 23314993 TRANSISTOR, 2SC4081 Q D623 23316231 DIODE, 1SS355 QS05 23009613 IC, CMOS DUAL 4CH MULTI/DEMULTI, D624 23316231 DIODE, 1SS355...
  • Page 36 Location Location Parts No. Description Parts No. Description GR105 24000445 CHIP JUMPER, 1608TYPE * P801 23372252 POWER CORD, UL 7A 2.2M, GR602 24000445 CHIP JUMPER, 1608TYPE VM0298-VM3073 2.2M GR605 24000445 CHIP JUMPER, 1608TYPE P809A 23367068 CONNECTOR, PLUG 8P, 2.5MM G JST-EH, GR621 24000445 CHIP JUMPER, 1608TYPE B8B-EH-F1-TV4...
  • Page 37 ACCESSORIES K902 23306504 REMOCON HAND UNIT IR, CTVUSA, CT-90164 K903 23306465 REMOCON HAND UNIT, IR BLAST VTR CONT Y101 23566134 OWNER’S MANUAL, ENG/FRE/SPA, 26HL83 Y109 23945015 BAG, POLYETHYLENE COVER 250X400 Y170 23845800 WIRE HOLDER, NYLON66 D6.8 CABINET PARTS * A101...
  • Page 38 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 40 –...
  • Page 39 SIGNAL BOARD PD1362A-2 TN/IMA BOARD PD1362A-1 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 41 – – 42 –...
  • Page 40 AV TERMINAL BOARD PD1363A-1 IR/LED BOARD PD1363A-3 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE FRONT BOARD PD1364A-1 BOTTOM (FOIL) SIDE AUDIO BOARD PD1363A-2 BOTTOM (FOIL) SIDE KEY SW BOARD PD1364A-2 BOTTOM (FOIL) SIDE – 43 – – 44 –...

  • Page 41: Pc Boards Bottom View

    PC-IN BOARD PD1364A-3 BOTTOM (FOIL) SIDE POWER SW BOARD PD1364A-4 BOTTOM (FOIL) SIDE CON G-HYPER BOARD PD1364A-5 BOTTOM (FOIL) SIDE – 45 –...
  • Page 42 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 46 –...
  • Page 43 SCHEMATIC DIAGRAM MODEL : 26HL83 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 44 – 48 –...

  • Page 45: Specifications

    SPECIFICATIONS Television System TheaterLink NTSC standard OUTPUT: 3 V(p-p), 10k ohm Dimensions Channel Coverage Width : 32-9/32 inches (820 mm) VHF: 2 through 13 Height : 18-37/64 inches (472 mm) UHF: 14 through 69 Depth : 5-25/64 inches (137 mm) Cable TV: Mid band (A-8 through A-1, A through I) Super band (J through W) Mass (weight)
  • Page 46 TOSHIBA CORPORATION...

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