XOCECO PH-50FB31 Скачать руководство пользователя страница 36 | Manualshive

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34

(9) YPrPb or YCrCb channel no picture

(10) D-sub channel no picture

Check if pin63/64/72/73 of
NA05 output signals?

Yes

No

Check if resistor rows RS72

~

RA74,

RA77

~

RA79 are well jointing

Check the path from NB01,
NB02, NA50 to YPbPr

Yes

Check NA50 and its periphery

Check if pin52/65/80 of NA50
and pin105/108 output signals?

Yes

No

Check if resistor rows RA72

~

RA74,

RA77

~

RA79 are well jointing

Yes

Check NA50 and peripheral
circuit.

Check NB03/NB04 and the circuit
from NA50 to VGA socket

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Содержание PH-50FB31

Страница 1: ...PDP TELEVISION PH 42 50FB31...

Страница 2: ...ng the defects on screen Alignment instructions Method of software upgrading Working principle analysis of the unit Block diagram IC block diagram Wiring diagram Troubleshooting guide Schematic diagra...

Страница 3: ...eat radiation parts or direct exposure to sunlight Otherwise there will be kickbacks 1 5 In case foreign substances such as water liquid metal slices or others fall into the module carelessly power mu...

Страница 4: ...for a long time difference in its brightness and color may occur compared with movable pictures But it doesn t show any problem and the reason is that there is reduced density of fluorescent powder i...

Страница 5: ...main bright dark spot non illuminating flickering spot continuously flickering However they should not exceed the specification as in table 1 Otherwise the product shall be deemed as sub standard Figu...

Страница 6: ...of Defective Points Item Kind Area A Area B Remark 1 Dark spots No more than 4 No more than 10 2 Bright spot No more than 1 No more than 3 3 Flickering spots No more than 1 No more than 3 Total numbe...

Страница 7: ...Press Source button then press 2580 to enter level one factory menu Press and to Check DDC and FLASH To produce digital board and analog board All testing Adjust white balance Connect with central sig...

Страница 8: ...283 at 120nits fixed BO to 5000 adjust RO GO let the color coordinate of third level on the left be 270 283 at 5nits The brightness of 120nits and 5nits may obtain by adjusting the contrast and brigh...

Страница 9: ...I 576P 720P 50Hz 1080I 50Hz except for the table 5 signal Separate input the signals from VG 849 Check if the image contain HDCP ON and OFF and sound are normal if the output of S PDIF is normal Table...

Страница 10: ...her items VIC QLD SA WA TAS NT Note the default password of Rate menu is 0000 Method of software upgrading 1 Connect RS 232 cable to computer and TV set The cable must be a female to female RS 232 cab...

Страница 11: ...9 3 Copy the update tools iDev exe to the path you want to do it and double click it 4 Select setup menu...

Страница 12: ...10 5 Confirm the Serial port is right Base on the port which using for update And set the band rate to 115200 default 6 Select the Image path menu...

Страница 13: ...u didn t select it before click the button to select ecc file Sometimes the image file you got it will be rar or zip zip file needs unzip it first 9 You also can click the setup button to select and c...

Страница 14: ...12 10 Then click the down button...

Страница 15: ...13 11 You can see the waiting window 12 Then power off then on the TV set 13 After download it will be burning...

Страница 16: ...14 Last it will be finished 15 Press the IR locate keypad power key and holding for several second to force power off TV set then power on again It would be ok now If it s failure you can try once aga...

Страница 17: ...a Protection HDCPv1 1 3 OSD FEATURES Size Full Screen Size Color 24bit True Color Type Graphical Text UI Language English 4 CONNECTION FEATURES VIDEO INPUT AV X2 S VIDEO X1 RGB PC X1 COMPONENT X2 HDMI...

Страница 18: ...decoding to A D conversion and OSD superposition at last send to LVDS drive level for PDP panel HD audio signal via decoder built in ZR39660 resumed to multi channel sound of Dolby AC 3 at the same ti...

Страница 19: ...X3975D ZR39660 BGA400 2X16MX16 DDRAM HS VS CLK YPBPR2 YPBPR1 LVDS W19B320ABT Panel FLASH HDMI TS CVBS_TV HEF4052BT CVBS2 CVBS1 S_Y S_C AV1 AUDIO AV2 AUDIO YPBPR1 AUDIO YPBPR2 AUDIO PC AUDIO D A CS4345...

Страница 20: ...al Transport Input Port T4 MPEG Transport Port Input Clock T3 MPEG Transport Input Data U3 MPEG Transport Input Frame Y1 MPEG Transport Input Valid 2 HDMI Input D1 E3 F3 E2 F2 E1 HDMI Differential Dat...

Страница 21: ...erial Audio Data Input T2 Serial Audio Data Output V1 IEC958 Format Out 6 LVDS Panel Interface B20 C19 Output Clock Pair E18 F17 Output Data Pairs 0 C20 D19 Output Data Pairs 1 F18 G17 Output Data Pai...

Страница 22: ...ng in ultimate DVB T digital reception compliant to ETS 300 744 DTG D Book EICTA E Book and Nordig Unified v1 0 2 The IC applies cutting edge digital filtering techniques in combination with a high pe...

Страница 23: ...llator 22 Select I2C address 33 I2C data for host communication with the tuner 34 I2C clock to the tuner 15 I2C clock from host 16 I2C data from to host 38 39 Differential input for IF 17 18 21 25 Ser...

Страница 24: ...g input 108 109 110 Horizontal SYNC Input 105 106 107 Vertical SYNC Input 29 Hold PLL Frequency do not track HSYNC 119 Serial Interface clock 118 Serial Interface data pin 96 Serial interface address...

Страница 25: ...grated audio CODEC for hybrid analog and digital TVs digital only TVs and analog TVs Other applications include set top boxes or other media applications where a low cost high fidelity audio processor...

Страница 26: ...escription of SGTV5810 69 72 57 60 51 54 43 50 Analog AUDIO INPUT L R 42 39 EAR PHONE L R 30 35 AV AUDIO OUT L R 38 37 MAIN AUDIO OUTPUT L R 93 92 I2C SDA SCL 95 94 Serial interface address pin 96 RES...

Страница 27: ...rs 18V power supply eliminating the need for heat sinks The TPA3001D1 is available in the 24 pin thermally enhanced TSSOP package Pin configuration of TPA3001 Pin descriptions of TPA3001 1 Negative di...

Страница 28: ...pbPr1 YpbPr2 LA03 X603 X608 X501 XC01 XB01 XC02 X232 X103 X102 AV out Earphone S Video AV1 in AV2 in X105 X104 RF X606 X601 X106 X231 X101 X226 XB03 X801 X603 S PDIF Power filter board Speaker assy Pa...

Страница 29: ...nterfered possibly by the equipment like transmitting antenna non professional radio station and cellular phone 2 TV set Symptoms Possible cause Unable to switch the power on z Check to see if the pow...

Страница 30: ...ck if the batteries are installed in the reverse order z Check if the battery is effective z Check the distance or angle from the monitor z Check if there is any obstruct between the remote control an...

Страница 31: ...icture abnormal of TV AV1 AV2 S VIDEO Begin A red indicator lights Check power board button board and power cord A blue indicator lights Check if the pin1 of X602 in data processing board is high leve...

Страница 32: ...er board No sound No picture Power board problem Refer to 3 checking procedure Refer to 4 checking procedure No Yes Check the power board With picture but no sound Check if the voltage of sound amplif...

Страница 33: ...Display LOGO If pin5 of X602 IRR has signal Yes No Yes No If there is no picture in all channels Check if the crystal in data processing board starts DDR clock and DDR SDRAM are normal Yes No Check N1...

Страница 34: ...and the circuit from AV terminal to N103 Check the periphery circuit from XC02 to N801 Check N103 and its periphery circuit Check if C123 and C157 input signals Yes No Yes No Check if pin13 3 of N103...

Страница 35: ...Check if pin12 of TUNER241 output signals Yes No Yes No Check if pin13 of N103 outputs signals Check TUNER241 power supply and the peripheral circuit Check the periphery circuit from XC02 to N801 Che...

Страница 36: ...ows RS72 RA74 RA77 RA79 are well jointing Check the path from NB01 NB02 NA50 to YPbPr Yes Check NA50 and its periphery Check if pin52 65 80 of NA50 and pin105 108 output signals Yes No Check if resist...

Страница 37: ...ake sure the connection between HDMI socket interface and the data of NA02 is well flash write the picture and sound will display normally Check DETECT NA04 and its peripheral circuit Yes No Check if...

Страница 38: ...5VSC 5VCTRL 12VSC 18VSC 5VSB Va Vs STR A6159M Isolation STR F6468 Isolation STR X6769 DC DC Isolation DC DC DC DC DC DC DC DC DC DC DC DC DC DC MCU ATMEGA8L IIC IR KEY VGA_H V LED RESET 5VCTRL Va Vs O...

Страница 39: ...Va Vs at the status of turn on MCU receives power down control from main CPU and performs power down time sequence power down time sequence is the same at AUTO mode At the two modes when detect the lo...

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Страница 49: ...67 PH42FB6 20 Power filter board 667 PH42T8 51 Analog board 667 PS42FB6 53 Remote control 301 D42FB6 06 Panel 335 42014 00 PH 50FB31 Digital processing board 667 PHIFB31 69 Key board 667 PHIFC31 05 IR...

Страница 50: ...603 PH42FB31 12 Ver 1 0...

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