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Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.
Prior to using this service guide, ensure that you have carefully followed all the procedures outlined in the 15SLDT3R/19SLDT3R/22SLDT3R/26SLDT3R LCD TV user manual. Make sure to note and follow all warnings and instructions marked on the product. Save these instructions for future reference.
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Preparation of Servicing The laser diode used for a pickup head may be destroyed with external static electricity. Moreover, even if it is operating normally after repair, when static electricity discharge is received at the time of repair, the life of the product may be shortened. Please perform the following measure against static electricity, be careful of destruction of a laser diode at the time of repair.
2. General Specifications The product specifications listed in this section are subject to change without notice. Item Description Model Name 15SLDT3R 19SLDT3R 22SLDT3R 26SLDT3R Panel Size (approximate screen 15.6 in (396.24 mm) 18.5 in (469.9 mm) 21.6 in (548.64 mm) 26.0 in...
Hotel Mode Function To set the Hotel mode, please follow the steps below: 1. In power on mode, set the VOLUME to minimum. Press and hold the VOLUME DOWN button on the side panel. 2. Simultaneously press and hold the channel button (7) on the remote control for more than 2 seconds.
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Setting item Setting value Initial value Function Maximum 0-50 Setting of the maximum volume value. volume RC button RESPOND/ RESPOND Effective/invalid setting of remote control key NO RESPOND operation (Note 1). Panel button Effective/invalid setting of main key operation (Note Menu button Effective/invalid setting of menu, DTV menu and GUIDE keys operation of set and remote control...
4. System Disassembly Disassembly Tools The following tools are required for disassembling the system. Wrist-grounding strap and conductive mat for preventing electrostatic discharge Philips screwdriver Hex screwdriver Disassembly Reminders Electrostatic Discharge (ESD) precautions should be observed to prevent damaging the internal components.
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15SLDT3R 1. Lay down the LCD TV on a flat, stable surface with the rear cover facing up. Make sure the lip edge of the front bezel is hanging over the edge of the surface. 2. Remove the screws securing the LCD TV base...
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4. Remove the screws securing the rear panel cover. 5. Remove the screw securing the left rear panel door.
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6. Open and remove the left rear panel door. 7. Disconnect the power cables. 8. Detach the top part of the rear panel cover from the housing and tilt it back to expose the LCD cable on the LCD panel; then disconnect the LCD cable, and remove the rear panel. Caution: As FFC connector for LCD panel can easily be damaged during disassembly or reassembly, handle it with care.
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Note: Take note of the spring orientation when reassembling the TV. 9. Remove the screws securing the IR board.
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10. Disconnect the cable from the LED board; then pull up to remove the IR board. 11. Remove the screws from the control board.
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12. Disconnect the cable from the control board; then remove the control board. 13. Unlatch the control board from its plastic bracket to separate it from its case.
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14. Remove the screws securing the power board. 15. Lift up the power board at an angle; then disconnect the two cables, and remove the power board.
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16. Remove the screws securing the mainboard. 17. Lift the mainboard at an angle; then disconnect the cable.
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18. Lift up the mainboard; then disconnect the two cables. 19. Remove the screws securing the optical drive.
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20. Lift up and remove the optical drive. 21. Pull up to release the left and right speakers. Take note to release the speaker cables from their latch.
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22. Release the LCD panel from its latches. 23. Remove the LCD panel from the front bezel.
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19SLDT3R 1. Lay down the LCD TV on a flat, stable surface with the rear cover facing up. Make sure the lip edge of the front bezel is hanging over the edge of the surface. 2. Remove the screws securing the LCD TV base 3.
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4. Remove the screws securing the rear panel cover. 5. Remove the screw securing the center rear panel door.
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6. Open and remove the center rear panel door. 7. Disconnect the LCD cable. Caution: As FFC connector for LCD panel can easily be damaged during disassembly or reassembly, handle it with care.
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8. Remove the screw securing the left rear panel door. 9. Open and remove the left rear panel door.
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10. Disconnect the power cables. 11. Detach the top part of the rear panel cover from the housing, and remove the rear panel.
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Note: Take note of the spring orientation when reassembling the TV. 12. Remove the screw securing the IR board.
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13. Pull up to remove the IR board; then disconnect the cable from the IR board. 14. Remove the screws securing the control board.
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15. Disconnect the cable from the control board; then remove the control board. 16. Unlatch the control board from its plastic bracket to separate it from its case.
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17. Remove the screws securing the power board. 18. Turn the power board over; then disconnect the two cables, and remove the power board.
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19. Remove the screws securing the mainboard. 20. Lift the mainboard at an angle; then disconnect the speaker cable.
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21. Turn the mainboard over; then disconnect the two cables. 22. Remove the screws securing the optical drive. 23. Lift up and remove the optical drive. 24. Pull up to release the left and right speakers. Take note to release the speaker cables...
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from their latches. 25. Remove the LCD panel from the front bezel.
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22SLDT3R 1. Lay down the LCD TV on a flat, stable surface with the rear cover facing up. Make sure the lip edge of the front bezel is hanging over the edge of the surface. 2. Remove the screws securing the LCD TV base 3.
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4. Remove the screws securing the rear panel cover. 5. Remove the screw securing the center rear panel door.
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6. Open and remove the center rear panel door. 7. Disconnect the LCD cable. Caution: As FFC connector for LCD panel can easily be damaged during disassembly or reassembly, handle it with care.
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8. Remove the screw securing the left rear panel door. 9. Open and remove the left rear panel door.
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10. Disconnect the power cables. 11. Detach the top part of the rear panel cover from the housing, and remove the rear panel. Note: Take note of the spring orientation when reassembling the TV.
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12. Pull up to remove the IR board; then disconnect the cable from the IR board. 13. Remove the screws securing the control board.
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14. Disconnect the cable from the control board; then remove the control board. 15. Unlatch the control board from its plastic bracket to separate it from its case.
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17. Remove the screws securing the power board. 18. Turn the power board over; then disconnect the two cables, and remove the power board.
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19. Remove the screws securing the mainboard. 20. Lift the mainboard at an angle; then disconnect the speaker cable.
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21. Turn the mainboard over; then disconnect the two cables. 22. Remove the screws securing the optical drive.
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23. Lift up and remove the optical drive. 24. Pull up to release the left and right speakers. Take note to release the speaker cables from their latches. 25. Remove the LCD panel from the front bezel.
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26SLDT3R 1. Lay down the LCD TV on a flat, stable surface with the rear cover facing up. Make sure the lip edge of the front bezel is hanging over the edge of the surface. 2. Remove the screws securing the LCD TV base 3.
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4. Remove the screws securing the rear panel cover. 5. Remove the screw securing the left rear panel door.
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6. Open and remove the left rear panel door. 7. Disconnect the power cable.
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8. Remove the screw securing the center rear panel door. 9. Open and remove the center rear panel door.
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10. Disconnect the LCD cable. Caution: As FFC connector for LCD panel can easily be damaged during disassembly or reassembly, handle it with care. 11. Detach the top part of the rear panel cover from the housing, and remove the rear panel.
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Note: Take note of the spring orientation when reassembling the TV. 12. Disconnect the cable from the IR board. 13. Remove the IR board by releasing it from its latches.
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14. Remove the screws securing the control board. 15. Disconnect the cable from the control board; then remove the control board.
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16. Unlatch the control board from its plastic bracket to separate it from its case. 17. Remove the screws securing the power board.
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18. Turn the power board over; then disconnect the two cables, and remove the power board. 19. Remove the screws securing the mainboard.
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20. Release the cables from their latches. 21. Lift up the mainboard at an angle and disconnect the speaker cable.
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22. Turn the mainboard over; then disconnect the two cables. 23. Remove the screws securing the optical drive.
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24. Lift up and remove the optical drive. 25. Pull up to release the left and right speakers. Take note to release the speaker cables from their latches.
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26. Remove the screws securing the LCD bracket to the LCD panel. 27. Remove the LCD bracket from the front bezel.
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28. Remove the LCD panel from the front bezel.
10. Troubleshooting No Display on Screen (Screen is black, no power) No Power/No Video Plug TV power cord to Is TV plugged to AC outlet AC outlet? Does the power turn on (LED green (19”/22”/26” ; 15” Which one is the problem LED blue) if the related to? keypad and remote...
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Power Check step Power Step check Does power have Check power BD 5Vsb? Have 3.3Vsb? Check U208 pin2 Does power have 12V? Check L242 pin2 Have 6V? Check L242 pin2 Have 9V? Check L212 Have 5V? Have 3.3V? Check U213 (for DVD) Check U209 (For system) Check U206 (for Have 2.5V?
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Video problem Video problem Is OSD on the Check panel power on LVDS screen cable: U202 pin 5,6,7,8 should have 5 Vdc(15”/19”/22”),12V(26”) Check backlight on/off control: Check if signal cable CN201 pin2 should be 2~5Vdc is connected and have signal output Which input has no picture? AV/SV...
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Speaker No Sound (Test signal: ≦0.5Vrms @1kHz sine waveform) Audio Problem No Audio issue No Audio Disable MUTE function from Have you enabled remote control and increase MUTE function Volume and speaker OFF? Note: Speaker will be muted when Please ensure the signal cable is connected headphone is plugged.
11. Firmware Checking the LCD TV Firmware Version Follow these steps: 1. Turn on the LCD TV. 2. Press and hold the Volume – button on the LCD TV, and, at the same time, press and hold the 8 button on the remote control. 3.
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9. After the firmware update successfully completes, the following message appears on the LCD TV screen. A finish dialog box also appears on the computer screen. PROGRAM FINISH Now continue to update the MCU firmware. 10. Enable the MCU firmware update function by following these steps: a.
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Checking the DVD Firmware Version Follow these steps: 1. Turn on the LCD TV. 2. Press the TV/DVD button on the remote control to enter DVD mode. 3. Press and hold the STOP button on the LCD TV, and, at the same time, press and hold the 1 button on the remote control.