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TOSHIBA

Service Training

"Customer Satisfaction Through Knowledge"

TOSHIBA

DVD

SERVICE GUIDE

"In Touch With Tomorrow"

TOSHIBA AMERICA CONSUMER PRODUCTS, INC.

NTDVT006BK

TOSHIBA AMERICA CONSUMER PRODUCTS,

INC.NATIONAL SERVICE DIVISION

NATIONAL TRAINING DEPARTMENT

1420-B TOSHIBA DRIVE

LEBANON, TN  37087

Summary of Contents for NTDVT006BK

Page 1: ...n Through Knowledge TOSHIBA DVD SERVICE GUIDE In Touch With Tomorrow TOSHIBA AMERICA CONSUMER PRODUCTS INC NTDVT006BK TOSHIBA AMERICA CONSUMER PRODUCTS INC NATIONAL SERVICE DIVISION NATIONALTRAINING DEPARTMENT 1420 BTOSHIBA DRIVE LEBANON TN 37087 ...

Page 2: ...TOSHIBA DVD SERVICE GUIDE Copyright 1997 TOSHIBA AMERICA CONSUMER PRODUCTS INC NATIONAL SERVICE DIVISION NATIONAL TRAINING DEPARTMENT 1420 B TOSHIBA DRIVE LEBANON TN 37087 ...

Page 3: ...fe of the laser and many other components DISASSEMBLY 1 Retract the 5 screws holding the cover in place 2 Lift off the cover 3 If a disc is stuck in the player it can be manu ally removed by pushing the eject level with a long screwdriver 4 After the tray pops out pull it completely open and remove the disc 5 To place the unit in the service position remove the shield covering the main board 6 Rem...

Page 4: ...y solder the pad with a small tipped soldering iron 19 Remove the main board by gently unplugging the flex cables and the power supply connec tor 20 Lift the main board out of the holders 21 Remove the 4 screws holding the power supply 22 Lift the power supply board out of the cabi net 23 Remove the 3 screws holding the laser me chanical assembly 24 Lift the assembly out of the cabinet 25 Remove t...

Page 5: ...Remove the 2 screws holding the feed motor 16 Unsolder the red and black wires and remove the feed motor LASER REASSEMBLY 1 Start the laser reassembly by reinstalling the feed motor Be sure the red wire is attached to the number 2 terminal and the black wire to the number 1 terminal 2 Push the feed motor gear onto the shaft of the feed motor 3 Check the distance between the ring magnet and the hal...

Page 6: ...e front panel to the unit and replace the screws 3 Reinstall the component video output board 4 Replace the laser mechanical assembly 5 Replace the power supply 6 Place the main board in the service position and connect all of the flex cables 7 Remove the solder from the shorting pad 8 Install the disc clamp and the cross bar 9 Replace the safety shield 10 Slide the disc tray in and replace the lo...

Page 7: ... come on unplug the power supply from the main board and jumper pins 2 and 3 on CN801 4 Recheck the dc voltages on pins 2 3 4 5 6 7 8 12 13 and 14 5 If the voltages are still improper or missing there is a problem with the power supply However if the voltages are normal the power supply is alright and there is most likely a problem on the main board or 1 of the other boards that is loading down th...

Page 8: ...l RF signals at pins 16 and 17 of CN501 They should be about 0 5 volts peak to peak 3 Clean the objective lens with a cotton swab and alcohol if the signal is low 4 Recheck the RF signal and if it is still low replace the laser slide assembly 5 Another way to check the power of the laser is with a laser power meter A new laser should measure about 0 2 milliwatts 6 You can also visually check the l...

Page 9: ...If the voltages are missing or improper unplug the flex cable and measure them unloaded 12 For problems associated with the feed motor or the spindle motor check the signals on connector CN502 13 Check the feed motor drive signals at pins 1 and 2 of CN502 They are easiest to see when the power is cycled on and the player is put in the times 8 scan speed 14 These signals can also be checked unloade...

Page 10: ...02 SD3006 Only 1 Play a test disc with a straight color bar pattern 2 Place the player in pause and switch to the color difference outputs on the back of the player 3 Connect channel 1 of the scope to the lumi nance output on pin 1 of CN302 4 Connect channel 2 of the scope to the Cr signal output on pin 3 and ensure it is in sync with the luminance signal and the proper peak to peak voltage 5 Conn...

Page 11: ... 4 GND 5 HO2N 6 HO1N 7 HO1P 8 HO2P 9 V 10 W 11 U 12 W 13 V 14 H 15 U 16 H 17 U 18 V 19 W CN302 1 Y R OUT 2 GND 3 Cr OUT 4 GND 5 CbOUT 6 GND 7 NT RGBX 8 GND CN602 1 DSP RESET 2 EVER 5V 3 GND 4 DSPSI 5 DSPSO 6 DSPCK 7 FSTBX 8 24V 9 F 10 F CN501 1 T 2 F 3 F 4 T 5 CDPD 6 GND 7 LD 8 MON 9 VOR 10 FO 11 EO 12 AO 13 BO 14 CO 15 DO 16 RFP 17 RFN 18 GND 19 VCC 20 VREF 21 LAYER CN503 1 LDMN 2 LDMP 3 TCLS 4 T...

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