Parker TLU195HB Service Manual
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Parker TLU195HB Service Manual

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LCD TV 19"
TLU195HB

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Summary of Contents for Parker TLU195HB

  • Page 1 LCD TV 19” TLU195HB...

  • Page 2: Precautions During Servicing

    3) Spacers (insulating barriers) 4) Insulating sheets for transistors 5) Plastic screws for fixing micro switches 4. When replacing AC primary side components(transformers, power cords, noise blockin capacitors, etc.), wrap ends of wires securely about the terminals before soldering. TLU195HB...
  • Page 3 AC voltage across the combination of the 1.5K ohm resistor and 0.15 uF capacitor. Reverse the AC plug at the AC outlet and repeat the AC voltage measurements for each exposed metallic part.The measured voltage must not exceed 0.3V RMS. TLU195HB...

  • Page 4: Product Safety Notice

    The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire, or other hazards. Must be sure that the ground wire of the AC inlet is connected with the ground of the apparatus properly. TLU195HB...

  • Page 5: Specification

    Features 2. Features LCD TV SPECIFICATIONS SHEET MODEL NO.: TLU195HB DESCRIPTION ：   18.5" HD LCD TV SPECIFICATION • PANEL Display type: 18.5" HD TV Aspect ratio: 16:9 Resolution: 1366*768 Brightness: 300cd/m2 Contrast: 800:1 Viewing angle: 170°X 170° Maximum colors: 16.7M...
  • Page 6 Function Layout 3. Function Layout Top View Front View TLU195HB...
  • Page 7 Diagram Schematic Dimension 4. Diagram Schematic Dimension 5. Schematic of Key & Ir Board TLU195HB...
  • Page 8 Interface Definition 6. Interface Definition TLU195HB...

  • Page 9: Interface Definition

    Interface Definition TLU195HB...
  • Page 10 Interface Definition TLU195HB...
  • Page 11 Remote Control Unit 7. Remote Control Unit TLU195HB...

  • Page 12: Circuit Diagram

    Circuit Diagram 8. Circuit Diagram 1 BLOCK DIAGRAM 2. circuit(SCH) 1. BLOCK DIAGRAM TLU195HB...
  • Page 13 Circuit Diagram 2. Circuit(SCH) Double click to view it. TLU195HB...
  • Page 14 Circuit Diagram TLU195HB...
  • Page 15 Circuit Diagram TLU195HB...

  • Page 16: Remote Control Unit

    PCB failure analysis 1. CONTROL: a. Abnormal noise on screen. b. No picture. 2. MAIN (VIDEO): a. Lacking color, Bad color scale. b. No voice. c. No picture but with signals output, OSD and back light. d. Abnormal noise on screen. TLU195HB...
  • Page 17 Audio AMP and transmitted to Speakers. 3. If some abnormal signals are detected (for example: over volts, over current,over temperature and under volts), the system will be shut down by Power off. TLU195HB...

  • Page 18: Troubleshooting

    10. Trouble shooting Service LCD TV Trouble shooting NOTICE: Before repair the board,make sure the software is correct or upgrade the correct software. Warning:If upgrade fail,such as power off during upgrading,the flash rom must be replaced. POWER SUPPLY TROUBLE TLU195HB...
  • Page 19 Trouble shooting Display Trouble (Exceptional Screen) Display Trouble (White Screen) TLU195HB...
  • Page 20 Trouble shooting Audio Trouble ( No sound) Display Trouble (Black Screen) TLU195HB...
  • Page 21 Trouble shooting Function Trouble (TV video) Function Trouble (PC) TLU195HB...
  • Page 22 Trouble shooting Audio Trouble ( HDMI; CVBS) Function Trouble (SCART; YPbP; and so on) TLU195HB...
  • Page 23 Exploded View 11. Exploded View TLU195HB...

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