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Toshiba 32HL83 Service Manual

Lcd color television
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See also: Owner's Manual
FILE NO. 010-200312
SERVICE MANUAL
LCD Color Television
32HL83
PUBLISHED IN JAPAN, Nov. 2003 So

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  • Page 1 FILE NO. 010-200312 SERVICE MANUAL LCD Color Television 32HL83 PUBLISHED IN JAPAN, Nov. 2003 So...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 HANDLING THE LCD MODULE ............................5 SERVICE MODE .................................. 7 TROUBLESHOOTING DIAGNOSIS FUNCTION ........................ 8 LOCATION OF CONTROLS .............................. 10 LAYOUT OF MAJOR BOARDS ............................12 MECHANICAL DISASSEMBLY ............................13 EXPLODED VIEW ................................25 PACKING DISASSEMBLY ..............................

  • 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. UNPULUG •...

  • 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: Service Mode

    SERVICE MODE ENTERING TO SERVICE MODE 1) Press the "MUTE" button once on the remote control, "1/2 MUTE" is displayed on the screen. 2) Press the "MUTE" button again, "MUTE" is displayed on the screen. 3) Press the "MENU" button on the TV while pressing the "MUTE" button on the remote control, "S" may appear on the screen.

  • Page 8: Troubleshooting Diagnosis Function

    TROUBLESHOOTING DIAGNOSIS FUNCTION DIAGNOSIS FUNCTION FOR LED INDICATION CAUSE Short-circuit detection of BUS line LED is lit in 1 second at intervals of 1 second. BUS line may possibly be short-circuit (SDA to SCL), or BUS line (SDA, SCL) is grounded. Overcurrent limiter detection LED is lit in 0.5 at intervals of 0.5 second.
  • Page 9 SELF DIAGNOSIS FUNCTION 1) Press "9" button on the remote control during display of adjustment menu in the service mode. 2) During diagnosis, the following displays are shown. <SELF CHECK> Part number of microprocessor Operation number of protecting circuit ------"00" is normal. When indication is other than "00", overcurrent is apt to flow, and circuit parts may possibly be dam- aged.

  • Page 10: 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...
  • Page 11 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 12: Layout Of Major Boards

    LAYOUT OF MAJOR BOARDS E001 SCALER & OSD/MICON Module U003E U801 G-HYPER Module DD POWER Module U800 U002B SWG POWER Module A-OUT Board U003A FRONT/AV Board U002C IR/LED Board U002A BACK/AV Board E003 DVI Board U001A U003B TN/MA Board KEY Board H003 U001B ANTENNA SW...

  • Page 13: Mechanical Disassembly

    MECHANICAL DISASSEMBLY ■ Removing the rear cover Note: Be sure to lay down the main body (by placing its screen downward) for disassembling. • Remove 16 screws ( : 4✕12). • Remove 4 screws ( : 6✕16). • Remove 2 screws ( : 3✕12).

  • Page 14: Remove 4 Screws ( :

    ■ Removing the brackets • Remove 29 screws ( : 3✕5). • Remove 4 screws ( : 4✕12). – 14 –...
  • Page 15 ■ Removing the G-HYPER Module • Remove the FAN. (2 screws E) • Remove the braket. (3 screws F) • Remove the 2 screws G. – 15 –...
  • Page 16 ■ Removing the FRONT/AV board and KEY board Board FRONT/AV Board – 16 –...
  • Page 17 ■ Removing the A-OUT board • Remove 4 screws (H). – 17 –...
  • Page 18 ■ Removing the SCALER & OSD/MICON module • Remove 4 screws (J). • Remove 3 connectors. Disconnect Disconnect – 18 –...
  • Page 19 ■ Removing the SIGNAL board • Remove 4 screws (K) on the SIGNAL board. SIGNAL Board – 19 –...
  • Page 20 ■ Removing the IR/LED board • Remove 2 screws (L) on the the IR/LED board. IR/LED Board – 20 –...
  • Page 21 ■ Removing the DVI Unit & ANTENNA SW board & DVI Unit • Remove 2 screws (M) mounting the DVI Unit. • Remove 3 nuts (N) fixing the ANTENNA SW. DVI Unit ANTENNA SW – 21 –...
  • Page 22 ■ 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 23 ■ 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 24 ■ Removing the LCD block • Remove 4 screws (X). Shield Case LCD Block Shield Case – 24 –...

  • Page 25: Exploded View

    A360 A356 A201 BACKCOVER, 32HL83 MODULE, 03DVI PD0647C SCALER BLOCK, 94TBGDSB-SUF010L- E003 E001 A108 A336 PANEL, PCJACK, 32HL83 A103 A104 A342 A116 A102 PIECE, CONTROL BOX, AV REAR PIECE, CONTROL BOX, KEY COVER A112 PIECE, CONTROL BOX, AV COVER A111...

  • Page 26: Packing Disassembly

    PACKING DISASSEMBLY A402 A401 K903 Y101 A401 A403 Y109 A401 A404 A401 A402 A404 – 26 –...

  • Page 27: 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 : 32HL83 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 28 Location Location Parts No. Description Parts No. Description C4703 24073082 ELECTROLYTIC, 50V 2.2UF M 3A CS15 24092726 CERAMIC CHIPCK733B 16V 2,200,000PFK C4704 24092753 CERAMIC CHIP, 10V B 0.22UF K CS16 24092726 CERAMIC CHIPCK733B 16V 2,200,000PFK C4705 24073082 ELECTROLYTIC, 50V 2.2UF M 3A CS20 24669478 ELECTROLYTIC, 50V 0.47UF M 3A...
  • Page 29 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 30 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 31 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 32 Location Location Parts No. Description Parts No. Description RY508 24011222 CHIP, METAL FILM, 1/20W 2.2K OHM J LV01 23103159 FILTER, EMI, TEM2028AA, 7.5X6.4X8 60MMH 0.5A RY509 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J LV02 23103159 FILTER, EMI, TEM2028AA, 7.5X6.4X8 60MMH 0.5A RY510 24011152 CHIP, METAL FILM, 1/20W 1.5K OHM J LV03...
  • Page 33 Location Location Parts No. Description Parts No. Description QS12 23114499 TRANSISTOR, RN1404 D643 23316231 DIODE, 1SS355 QS13 23114499 TRANSISTOR, RN1404 D646 23316231 DIODE, 1SS355 QS14 23114499 TRANSISTOR, RN1404 D656 23316604 DIODE, ZENER, MA8150-M, TX QS15 23314993 TRANSISTOR, 2SC4081 Q D657 23316573 DIODE, ZENER, MA8062-L QS16...
  • Page 34 CONNECTOR, PLUG 8P, 2.5MM G JST-EH B8B-EH-F1-TV4 A101 23450760 FRONTPANEL, 32HL83 P661 23365500 EARPHON JACK A101B 23527316 GRILLE, SPEAKER, 32HL83 P801 23372252 POWERCORD, UL 7A 2.2M, VM0298-VM3073 A101H 70391685 PB3X4 SZN P809A 23367068 CONNECTOR, PLUG 8P, 2.5MM G JST-EH B8B-EH-F1-TV4...

  • Page 35: Pc Boards Bottom View

    SIGNAL BOARD PD1362A-2 TN/IMA BOARD PD1362A-1 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE – 35 – – 36 –...
  • Page 36 BACK / AV BO ARD PD1363A-1 IR/LED BOARD PD1363A-3 BOTTOM (FOIL) SIDE BOTTOM (FOIL) SIDE FRONT/AV BOARD PD1364A-1 BOTTOM (FOIL) SIDE A-OUT BOARD PD1363A-2 BOTTOM (FOIL) SIDE KEY BOARD PD1364A-2 BOTTOM (FOIL) SIDE – 37 – – 38 –...
  • Page 37 POWER SW BOARD PD1364A-4 BOTTOM (FOIL) SIDE CON G-HYPER BOARD PD1364A-5 BOTTOM (FOIL) SIDE – 39 –...

  • Page 38: Specifications

    SPECIFICATIONS Television System TheaterLink NTSC standard OUTPUT: 3 V(p-p), 10k ohm Dimensions Channel Coverage Width : 41-57/64 inches (1,064 mm) VHF: 2 through 13 Height : 23-55/64 inches (606 mm) UHF: 14 through 69 Depth : 5-15/16 inches (151 mm) Cable TV: Mid band (A-8 through A-1, A through I) Super band (J through W) Mass (weight)
  • Page 39 TOSHIBA CORPORATION...

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