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Toshiba 23HLV85 Service Manual

Lcd color television
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FILE NO. 050-200532

SERVICE MANUAL

LCD Color Television

23HLV85
- 1 -
DOCUMENT CREATED IN JAPAN, Sept., 2005
Published in Japan, Sep. 2005 (YC)
TOSHIBA CORPORATION 2005

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Summary of Contents for Toshiba 23HLV85

  • Page 1: Service Manual

    FILE NO. 050-200532 SERVICE MANUAL LCD Color Television 23HLV85 - 1 - DOCUMENT CREATED IN JAPAN, Sept., 2005 Published in Japan, Sep. 2005 (YC) TOSHIBA CORPORATION 2005...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................3 HANDLING THE LCD MODULE ..............................5 1. SERVICE MODE ..................................7 1-1. STARTING SERVICE MODE ............................7 2. ADJUSTMENT ..................................8 2-1. ADJUSTMENT TOOLS AND CONDITIONS ........................8 2-2. AUTO GAIN/OFFSET ADJUSTMENT ..........................8 2-3.

  • 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

    1.Service Mode 1-1.Starting Service Mode *Set LCD TV to the normal TV signal receive mode. Note: In this "Service Mode" section, [ ] shows a button. 1-1-1. Press [MUTE] on the remote control once. 1-1-2. Press [MUTE] again, and press [ ] on LCD TV.

  • Page 8: Adjustment

    2. Adjustment Note: In this "Adjustment" section, [ ] shows a button. 2-1.Adjustment Tools and Conditions Tools: Pattern Generator (801GF, MSPG925F) DDC Adjustment Tool Remote Control Conditions: Heat Run 30 minutes or more 2-2. Auto Gain/Offset Adjustment 2-2-1. RF Mode Adjustment (normal TV receive mode) No reguired 2-2-2.

  • Page 9: Troubleshooting

    4. TROUBLESHOOTING Process A No Power (LED indicator off) Ref.1/1-1 No Power Check 15V or ST_5V (LED indicator off) of Power B/D Fail Check Output of Pass Change IC1000, IC1001 IC1000, IC1001 Fail Check Output of Change IC1105, IC1104 or IC1105, IC1104 or IC1106, IC1103 Fail...
  • Page 10 No Raster on Component signal Repeat Process A Pass Check the signal of Change R178, R179, R180 R178, R179, R180 Fail Pass Ref.2/2-1 Re-soldering or Change Check the input/ output the defect part Check of IC400 Fail IC400 Process C Pass Re-soldering or Change Check the input/ output...
  • Page 11 No Raster on SIDE-AV No Raster on TV(RF) signal signal(SIDE-AV,VIDEO1) Check 5V,33V of Check the output of Repeat Process A TU100, Re-soldering of TU100 Fail Fail Change the defect part Pass Pass Check the signal of Check P50,JA100 R13, R177 Fail Pass Re-soldering or change...
  • Page 12 No Raster on S-VIDEO No Raster on DVD Signal Signal Repeat Process A Repeat Process A Pass Pass Ref.5 Ref.6 Check the signal of Check the signal of R11, R12 Check P53,P1001 or P202 L214,L215,L216 Fail Pass Fail Re-soldering or change Check the input/output defect part check IC200...
  • Page 13 No Raster on HDMI signal No Raster on PC signal Repeat Process A Repeat Process A Pass Ref.7/7-1 Pass Check the input/output Re-soldering or change IC600 defect part check IC600 Fail Pass Ref.8/8-1 Process C Check the input/output IC501 Fail Pass Re-soldering or change defect part...
  • Page 14 No Sound (RF) No Sound (SIDE AV,DVD) Pass Check the input Change source input source Fail Pass Re-soldering or Change Check the input/output the defect part Check of IC901 Fail IC901 Pass Fail Process D Re-soldering or Change Check the input/ output the defect part Check of IC200 Fail...
  • Page 15 No Sound HDMI No Sound Component & PC Fail Fail Check the input source Check the input source Pass Change source input Fail Check the input/output IC650 Pass Re-soldering or change the defect Pass part ic650 Fail Fail Check the input/output Check the input/output IC800 IC801...

  • Page 16: Exploded View

    5. EXPLODED VIEWS 23HLV85 - 40 -...

  • Page 17: 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 : 23HLV85 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 18 Location Parts No. Reference Description C223 72795180 0CK106EF56A CERAMIC, 10UF 3216 16V 10% X7 C224 72795173 0CH3822K516 CERAMIC, 8200PF 2012 50V 10% C226 72795186 0CK334CF94A CERAMIC, 0.33UF 1608 16V 80%, C229 72795155 0CH6102K406 CERAMIC CHIP, 1000PF 50V J SL 2012 C230 72795155 0CH6102K406...
  • Page 19 Location Parts No. Reference Description C329 72795172 0CH3104K566 CERAMIC, 0.1UF 50V 10% X7R 20 C333 72795171 0CH3103K516 CERAMIC, 10000PF 50V 10% B(Y5 C334 72795187 0CK474CH94A CERAMIC, 0.47UF 1608 25V 80%, C335 72795188 0CK475DD57A CERAMIC, 4.7UF 2012 10V 10% X C336 72795167 0CC330CK41A CERAMIC, 33PF 1608 50V 5% R/T...
  • Page 20 Location Parts No. Reference Description C654 72795172 0CH3104K566 CERAMIC, 0.1UF 50V 10% X7R 20 C658 72795148 0CH8106F691 ELECTROLYTIC, 10UF 16V 20% 105STD C659 72796128 0CC220CK41A CERAMIC, 22PF 1608 50V 5% R/T C662 72795172 0CH3104K566 CERAMIC, 0.1UF 50V 10% X7R 20 C670 72795191 0CE107WF6DC...
  • Page 21 Location Parts No. Reference Description C938 72795187 0CK474CH94A CERAMIC, 0.47UF 1608 25V 80%, C950 72795175 0CK102CK56A CERAMIC, 1000PF 1608 50V 0.1 C952 72795194 0CE226WJ6DC ELECTROLYTIC, 22UF MVK 35V 20% R/T C1000 72795183 0CK225DH94A CERAMIC, 2.2UF 2012 25V 80%, - C1001 72795197 0CE476WF6DC ELECTROLYTIC, 47UF MVK 16V 20% R/T...
  • Page 22 Location Parts No. Reference Description 72795382 0RJ1001D677 METAL GLAZE, 1K OHM 1/10 W 5% 160 72795375 0RJ0222D677 METAL GLAZE, 22 OHM 1/10 W 5% 160 72795395 0RJ4703D677 METAL GLAZE, 470K OHM 1/10 W 5% 1 72795395 0RJ4703D677 METAL GLAZE, 470K OHM 1/10 W 5% 1 72796215 0RJ1802D677 METAL GLAZE, 18K OHM 1/10 W 5% 16...
  • Page 23 Location Parts No. Reference Description R220 72795380 0RJ1000D677 METAL GLAZE, 100 OHM 1/10 W 5% 16 R230 72795380 0RJ1000D677 METAL GLAZE, 100 OHM 1/10 W 5% 16 R233 72795384 0RJ1002D677 METAL GLAZE, 10K OHM 1/10 W 5% 16 R234 72796217 0RJ4700D677 METAL GLAZE, 470 OHM 1/10 W 5% 16 R235...
  • Page 24 Location Parts No. Reference Description R503 72795362 0RH1000D622 METAL GLAZE, 100 OHM 1 / 10 W 201 R506 72795376 0RJ0472D677 METAL GLAZE, 47 OHM 1/10 W 5% 160 R507 72795379 0RJ0822D677 METAL GLAZE, 82 OHM 1/10 W 5% 160 R508 72795376 0RJ0472D677 METAL GLAZE, 47 OHM 1/10 W 5% 160...
  • Page 25 Location Parts No. Reference Description R903 72795380 0RJ1000D677 METAL GLAZE, 100 OHM 1/10 W 5% 16 R904 72795469 0RJ1203D677 METAL GLAZE, 120K OHM 1/10 W 5% 1 R907 72795359 0RH0000D622 METAL GLAZE, 0 OHM 1 / 10 W 2012 R908 72795469 0RJ1203D677 METAL GLAZE, 120K OHM 1/10 W 5% 1...
  • Page 26 72795239 0DS181009AA DIODE, KDS181 TP KEC SOT-2 D150 72796155 0DD184009AA DIODE, CHIP KDS184-T1(B3) K D301 72795242 0DVTB00048A DIODE, VARICAP, 1SV324E, LF TOSHIBA R D1000 72795238 0DR340009AA DIODE, MBRS340 TP FAIRCHILD D1101 72795238 0DR340009AA DIODE, MBRS340 TP FAIRCHILD LED3001 72795283 0DLBE0138AA...
  • Page 27 PC BOARD ASSY, SUB, T23HLV85 DIODE, LED, & P/SW 72796188 6871TSTA75A PC BOARD ASSY, SUB, SUB T.T ML05TA TOSHI 72796190 6871TSTB58A PC BOARD ASSY, SUB, T23HLV85 CONTROL TOT 72796187 6871TST997F PC BOARD ASSY, SUB, ML-05TA TOSHIBA-23 U TUNER TU100 72795449 6700VS0003D TUNER, TAEW-G052P LGIT MULT ACCESSORIES A701 72796119...

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