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Toshiba REGZA 46RV530U, Руководство по обслуживанию

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P-Power

Main

46RV530U Power Distribution and Plug Layout

P861

P860

P812B

P812A

P810A

P811A

CN90

CN91

CN745

CN61

CN746

S-Power

24V Inverter Supplies

CN60

1. GND

2. 5V1<

3. GND

4. 12V<
5. 12V<
6. 12V<

7. GND

8. NC

9. NC

10. GND

11. NC

12. NC

13. 18V Aud.<

14. Aud. GND

1. GND

2. GND

3. GND

4. 5V1>
5. 5V1>
6. 5V1>

7. GND

8. GND

9. GND

1. 12V LCD<

2. 12V LCD<

3. GND

4. GND

5. 3.2V.PWR LCD>

6. NC

7. 2.9V AC Det.<

8. 3.2V PWR Sig.>

9. 3V PWR Prot.<

1. 24V

2. 24V

3. 24V

4. 24V

5. 24V

6. GND

7. GND

8. GND

9. GND

10. GND

LVDS

Inverter

NU

Charis

LED/IR

PCBs

AC In

P803A

P802B

Standby voltages 

are in blue italic.

8

Содержание REGZA 46RV530U

Страница 1: ... green product When repairing this green product use the part s described in this manual and lead free solder 2 For 1 and 2 refer to GREEN PRODUCT PROCUREMENT and LEAD FREE SOLDER TOSHIBA CORPORATION 2008 For Technical Bulletins Technical Tips or other information regarding the service of this model visit the Toshiba America Consumer Products National Service Division website at www7 toshiba com ...

Страница 2: ... of this product The melting temperature of lead free solder is higher than that of leaded solder by 86ºF to 104ºF 30ºC to 40ºC Use of a soldering iron designed for lead based solders to repair product made with lead free solder may result in damage to the component and or PCB being soldered Great care should be made to ensure high quality soldering when servicing this product especially when sold...

Страница 3: ...µF AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts one at a time Measure the AC voltage across the combination of 1500 ohm resistor and 0 15 µF capacitor Reverse the AC plug at the AC outlet and repeat AC voltage measurements for each exposed metallic part Voltage measured must not exceed 0 3 volts rms This corresponds to 0 2 milliamps AC A...

Страница 4: ...ct can adversely affect the performance Also use caution when handling the polarized screen because it can easily be damaged 4 If the panel surface becomes soiled wipe with cotton or a soft cloth If this does not remove the soiling breathe on the surface and then wipe again If the panel surface is extremely soiled wipe the panel surface with CRT cleaner sprayed onto the cloth Do not spray the clea...

Страница 5: ...Do not store the LCD module below the temperature conditions described in the specifications Doing so could result in freezing of the liquid crystal loss of resilience or other damage 10 Do not disassemble the LCD module Such actions could result in improper operation 11 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas genera...

Страница 6: ...g the MUTE button press MENU button on TV set Selecting the Adjusting Item Every pressing of CH or button in the service mode changes the adjustment items Adjusting the Data Pressing of VOLUME or button will change the value of data in the range from 00H to FFH The variable range depends on the adjusting item Exiting Service Mode Pressing POWER button to turn off the TV once 5 ...

Страница 7: ...turn off the TV once Firmware Update Process Updating this chassis family is accomplished using an SD card furnished by Toshiba With the unit operating insert the card into the card slot labeled Service only located on either the side or back of the instrument After the card is inserted simply follow the step by step update instructions displayed on the screen LED BLINK CODES The green and yellow ...

Страница 8: ...7 ...

Страница 9: ...12V 5 12V 6 12V 7 GND 8 NC 9 NC 10 GND 11 NC 12 NC 13 18V Aud 14 Aud GND 1 GND 2 GND 3 GND 4 5V1 5 5V1 6 5V1 7 GND 8 GND 9 GND 1 12V LCD 2 12V LCD 3 GND 4 GND 5 3 2V PWR LCD 6 NC 7 2 9V AC Det 8 3 2V PWR Sig 9 3V PWR Prot 1 24V 2 24V 3 24V 4 24V 5 24V 6 GND 7 GND 8 GND 9 GND 10 GND LVDS Inverter NU Charis LED IR PCBs AC In P803A P802B Standby voltages are in blue italic 8 ...

Страница 10: ...t pin 2 of P811 as soon as AC is applied No No Suspect the S power PCB Yes Yes Do any LEDs blink after the on off switch is pressed Use the LED blink chart to help diagnose the problem Yes No Suspect the main PCB Is 3 volts present at Pin 9 of P810 as soon as AC is applied No Is 2 9 volts present at pin 7 of P810 as soon as on off is pressed No Yes Suspect the main PCB Yes Suspect the P power PCB ...

Страница 11: ...the unit is turned on YES NO Troubleshoot for backlight problelms Is the screen discolored or does it have streaks or dark areas with no signal input NO If the LCD Control Board is available try it If this does not help replace the LCD display panel YES Contact Toshiba at www7 tacp com for warranty authorization Suspect the LCD Control board P 46 and 52 inch RV models contain a P power supply modu...

Страница 12: ...ne or both CCF inverters If this does not help replace the LCD display Contact Toshiba at www7 tacp com for warranty authorization P 46 and 52 inch RV models contain a P power supply module Is 3 2VDC present at pin 5 of P810A when the unit is turned on Suspect the main module NO YES If LVDS connector CN60 is unplugged Is 12VDC present at pins 1 and 2 of P810A when the unit is turned on NO YES If i...

Страница 13: ...e no sound or is the audio distorted No Sound Is 18VDC present at pin 13 of P811A when the unit is turned on Distorted YES NO Suspect the S power supply module YES NO Replace the Main module Problem solved P811A is located on the S power supply in the 46 and 52inch models 12 ...

Страница 14: ...ION AND PRODUCT SAFETY NOTICE OF THIS MANUAL CAUTION The international hazard symbols in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list The mounting position of replacements is to be identical with originals Before r...

Страница 15: ...32 REMOCON HAND UNIT CT 90302 Remote Control MZ01 75011246 WIRE HARNESS LVDS LVDS Cable P801 75002678 POWER CORD INQ2682 1 AC Cord U01A 75012805 PC BOARD ASSY PE0564A1 P POWER Power PCB U02A 75011608 PC BOARD ASSY PE0563A1 S POWER 46RV530U Sub Power PCB U03AS 75012466 PC BOARD ASSY PE0541A 46RV530U MAIN Main PCB U04A 75010926 PC BOARD ASSY PE0548C1 LED LED PCB U04B 75010927 PC BOARD ASSY PE0548C2 ...

Страница 16: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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