Toshiba Regza 47HL167 Скачать руководство пользователя страница 16 | Manualshive

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Toshiba Regza 47HL167 Скачать руководство пользователя страница 16

KEY

U03C

Front-AV

U03B

U05A LED

U03A TN-AV

U02A LOW-B

U04A SEINE

U800 POWER

15

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Содержание Regza 47HL167

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 2009 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: ...ing 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 Press the POWER button once to turn off the TV 5 ...

Страница 7: ...ss Upgrade successful Upgrade failed LED Indication The yellow blue and red green LED lights on the TV at the bottom center of the TV indicate the TV s status as described below Note If the TV loses A C power e g a power outage occurs or the power cord is unplugged when power is restored the yellow LED will blink while the TV is booting until the remote control is usable This is normal and is not ...

Страница 8: ...w chart pertain to only the defined areas It is assumed that all other inputs and functions operate correctly Reconfirm proper operation of all analog audio sources Cable Card is a function of Digital Signal Processing Area Analog Processing includes Composite Video Audio S Video Audio NTSC Tuner Video Audio Digital Audio after Digital Processing Color stream Video Audio DVI Computer Audio In Digi...

Страница 9: ... Signal Processing Section Cable Card is a function of Digital Signal Processing Area Analog Processing includes Composite Video Audio S Video Audio NTSC Tuner Video Audio Digital Audio after Digital Processing Color stream Video Audio DVI Computer Audio In Digital Processing includes RGB Computer Video HDMI ATSC 8Vsb HD Tuner Signals Ethernet Questions or Statements in flow chart pertain to only ...

Страница 10: ...l Processing Area Analog Processing includes Composite Video Audio S Video Audio NTSC Tuner Video Audio Digital Audio after Digital Processing Color stream Video Audio DVI Computer Audio In Digital Processing includes RGB Computer Video HDMI ATSC 8Vsb HD Tuner Signals Ethernet Questions or Statements in flow chart pertain to only the defined areas It is assumed that all other inputs and functions ...

Страница 11: ...ed in No Is 18 VDC present at pin 7 of P806A when the unit is plugged in No Yes Suspect the Low B supply circuit Is 5VDC present at pin 13 of P811A with the unit plugged in No Yes Suspect the Low B supply then the main power supply circuit Suspect the system control SYSCON circuit Yes Use the LED blink chart to help locate the problem Suspect the main power supply circuit Dead set No sound or pict...

Страница 12: ... power distribution diagram are the voltages normal at P811A and P811B Suspect the AV tuning module This can be confirmed by using the wiring interconnect diagram and checking the Y Pb Pr signals at plug CN72A YES Suspect the Low B module NO No or distorted video Does the back light function normally when the unit is turned on YES NO Is the screen discolored or does it have streaks or dark areas w...

Страница 13: ... at pins 1 and 5 of P804 when the unit is turned on YES NO Replace the Main Power supply Is 6VDC present at pin 8 of CN91A when the unit is turned on NO YES Replace the Low B power supply Is 3 3 VDC present at pin 7 of P812A shortly after the unit is turned on YES Replace the SYSCON section NO 12 ...

Страница 14: ... the voltages normal at P812A and P812B Suspect the Low B module Using the power distribution diagram are the voltages normal at CN90A and CN91B NO YES Suspect the digital module This can be confirmed by using the wiring interconnect diagram and an oscilloscope and checking the right and left audio signals at CN71 No or distorted Audio 13 ...

Страница 15: ...arranty Concession required for LCD panel replacement Digital photo may be requested Contact Technical Support Does the screen light unevenly Normal screen with a shaded area NO This normally indicates a defective CCFL Lamp The display should be replaced Using a scope or frequency counter is the CCFL inverter operating Suspect the CCFL inverter NO YES Operation of the inverter can be determined by...

Страница 16: ...KEY U03C Front AV U03B U05A LED U03A TN AV U02A LOW B U04A SEINE U800 POWER 15 ...

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Страница 22: ...V470H1 L12 K902 75006721 REMOCON HAND UNIT CT 90276 MZ01 75007493 CABLE LVDS V90A00040700 P801 75002678 POWER CORD INQ2682 1 U02A 75007501 PWU LOWB PE0307F1 U03A 75006715 PC BOARD ASSY PE0349A1 TN AV U03B 75006716 PC BOARD ASSY PE0349A2 F AV U03C 75006717 PC BOARD ASSY PE0349A3 KEY U04AS 75007224 PC BOARD ASSY PE0361A1 SEINE U05A 75006718 PC BOARD ASSY PE0350A1 LED IR PASS U800 75004095 POWER UNIT...

Страница 23: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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