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...
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.
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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 •...
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.
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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.
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.
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.
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...
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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...
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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...
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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...
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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...
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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...
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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...
• 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 ....