Toshiba corporation dvd video player sd-330esb owner's manual (72 pages)
Summary of Contents for Toshiba NTDVT006BK
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NTDVT006BK Service Training TOSHIBA SERVICE GUIDE TOSHIBA AMERICA CONSUMER PRODUCTS, INC.NATIONAL SERVICE DIVISION NATIONAL TRAINING DEPARTMENT TOSHIBA AMERICA CONSUMER PRODUCTS, INC. 1420-B TOSHIBA DRIVE LEBANON, TN 37087...
PC Board Layout ... 16 Connector Pinouts ... 17 INTRODUCTION 1. This book supplements video tape NTDVT006, Toshiba DVD Servicing. It covers the mechanical disassembly and reassembly of a DVD player, and how to diagnose a problem to the board level. For more detailed information and drawings refer to service manual 810-9601.
the 2 self tapping screws on the back panel. 7. Remove the top portion of the shield and set it aside. 8. Unclip the wires leading to the power supply. 9. Lift the main board and remove the bottom portion of the shield. Then rest the main board in the built-in holders.
7. Retract the 2 screws on either side of the motor pulley. 8. Turn the mechanical assembly over and release the 3 tabs holding the loading motor PC board. 9. Lift the pc board out of the mechanical assembly and gently detach the flex cable. 10.
portion of the lever. 11. Push the slider back and forth to confirm the operation of the opening and closing gears. 12. Replace the 2 screws holding the loading motor in place. 13. Replace the loading belt. 14. Slide the lift assembly into place, and replace the 2 holding screws.
left and right analog audio. In the right position you get left and right analog audio and no AC-3 audio. If you change the position of the audio selector switch, you must cycle the power so the change is recognized by the microprocessor.
tween the 2 boards occur during low transi- tions. 4. Using pin 7 as the reference, monitor the clock signal on pin 6 of CN602. There are eleven negative clock pulses during 1 low cycle of the FSTBX signal. 5. Check the DSPSO signal on pin 5 of CN602. This is the serial information going to the front panel.
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to check the operation of the signal. If the signal is missing or improper, the main board is most likely at fault. 4. Play a CD and check the tracking error signal at TP507 5. Check for a focus or tracking problem at pins 1, 2, 3, and 4 of CN501.
attempt at the drive signal coming on. 20. Check the feedback from the spindle motor hall switches by monitoring pins 9 through 13 and pin 15 while cycling power and playing a disc in times 8 scan. 21. Check the spindle motor hall switches manu- ally by rotating the spindle motor with your finger while monitoring pins 9 through 13 and pin 15.
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CN801 CN302 Y/R OUT EVER 5V POWER ON Cr OUT Cb OUT NT/RGBX CN602 DSP - RESET EVER 5V -24V DSPSI DSPSO DSPCK FSTBX CN502 -24V HO2N HO1N CN503 HO1P LDMN HO2P LDMP TCLS TCPN CN501 CDPD VREF 21 LAYER...