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W/4

W/2

W/4

Zone B

Zone A

H/4

H/2

H/4

deemed as sub-standard.

Figure 2 Defective Points

Table 2

Criterion for Three Kinds of Defective Points

Item Kind

Area A

Area B

Remark

Dark spots

No more than 4

No more than 10

Bright spot

No more than 1

No more than 3

Flickering spots

No more than 1

No more than 3

Total number of defective
points in A and B shall not
exceed 14. The distance
between two defective points
shall not be shorter than
10mm.

Содержание PH-42FB31

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

Страница 2: ...ing 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 diagram APPENDIX Exploded View 1 2 5 8 15 17 18 26 27 38 ...

Страница 3: ...heat 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 must be cut off immediately Keep the module as it is and do not move anything on the module Otherwise it might be possible to contact the high voltage or cause shock short circuit so that it may lead t...

Страница 4: ...d 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 in the former On the other hand even if changes take place in the picture it can keep its brightness for a period of time several minutes It s a feature inherent with plasma and it s not abnormal Howe...

Страница 5: ...emain 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 Figure 1 Defective Points Table 1 Criterion for Three Kinds of Defective Points Kind Area A Area B Remark Dark spots No more than 2 No more than 8 Bright spot No more than 1 No more than 2 Flickering spo...

Страница 6: ...s 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 number of defective points in A and B shall not exceed 14 The distance between two defective points shall not be shorter than 10mm ...

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 signal source then check each function of TV such as station missing analog control etc check the output of headphone and speaker Input AV SVIDEO signal then check each function of all the terminals Inp...

Страница 8: ...0 283 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 brightness of menu 3 3 3 input 16 level gray scale signal from VG849 to VGA channel TMIING select a support format of VGA enter white balance adjustment page of factory menu select cool color temperature ...

Страница 9: ...6I 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 5 VGA signal format No Resolution H frequency kHz V frenquency Hz Point clock pulse frenquency MHz Remark 1 720 X 400 31 469 70 086 28 322 IBM 2 640 X 480 31 469 59 94 25 175 IBM 3 640 X 480 37 861 ...

Страница 10: ...ther 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 cable and the line is TXD to RXD and RXD to TXD cross link It s popular for PC to PC connection 2 If the computer has no RS 232 serial port e g Notebook PC you needs a additional USB to serial port cabl...

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: ...ou 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 config but please don t select the red one update boot sector ...

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 again ...

Страница 17: ...ta 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 X1 AUDIO INPUT AV X2 RGB PC X1 COMPONENT X2 VIDEO OUTPUT AV OUT X1 AUDIO OUTPUT Audio Out x 1 S PDIF X1 Earphone X1 Speaker Out x 2 TV INPUT RF X1 Service input RS 232 X1 5 OTHERS Wide power voltage...

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 time output data stream of I2S format and S PDIF data stream Audio data of I2S format is fed to audio D A conversion chip CS4345 to output analog L R signal S PDIF data stream directly output from opti...

Страница 19: ...RX3975D 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 TPA3001D1 NJW1109 Loudspeaker Earphone IIS OUT CVBS Y C FQD1216 PH5 SGTV5810 ...

Страница 20: ...ial 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 Data Pairs D2 C1 HDMI Differential Clock Pair C3 HDMI Serial Clock ...

Страница 21: ...Serial 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 Pairs 2 D20 E19 Output Data Pairs 3 E20 F19 Output Data Pairs 4 H18 G18 Output Data Pairs 5 F20 G19 Output Data Pairs 6 G20 H19 Output Data Pairs 7 D18 External Resistor Connection 7 UART and I2C Interf...

Страница 22: ...ing 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 performance A D converter and PLL configuration resulting in superior performance figures in the presence of digital and analog adjacent channels Pin configuration of DRX3975D ...

Страница 23: ...illator 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 Serial Transport Output Port 3 ADC conversion TDA8759 ...

Страница 24: ...og 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 pin 7 10 15 18 Red output data 35 36 39 44 Green output data 23 28 31 32 Blue output data 2 Output data clock 167 DE output 168 HSYNC output 169 VSYNC output ...

Страница 25: ...egrated 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 is required The SGTV58xy has highly integrated features and input output that simplify TV audio design ...

Страница 26: ...description 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 RESET_N 83 81 SIF INPUT 87 86 Oscillator ...

Страница 27: ...kers 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 differential input 2 Positive differential input 3 4 gain control 10 11 Negative BTL output 14 15 Positive BTL output 9 16 24 Power Supply 6 12 13 18 19 Power Ground 5 Shutdown terminal ...

Страница 28: ...YpbPr1 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 Panel Analog board Digital processing board Power board Logical board Button board ...

Страница 29: ...interfered 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 power plug has been inserted properly into the socket No picture and sound z Check to see if the power supply of liquid crystal TV has been switched on as can be indicated by the red LED at the front of...

Страница 30: ...eck 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 and the TV set z Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only hash z Check if the antenna cable is correctly connected or if it ha...

Страница 31: ...picture 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 level 5V check V660 V661 No No Yes turn the unit on Display picture No Check if the crystal in data processing board starts DDR clock is correct Yes Yes If the picture of each channel is normal No Check ...

Страница 32: ...wer 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 amplifier of X113 in analog board is normal No Yes Check if the pin2 of N112 N113 inputs signals Check N112 N113 and their peripheral circuit Check N106 and its peripheral circuit Yes No ...

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 N108 and its peripheral circuit Refer to 5 6 7 8 9 10 11 checking procedure ...

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 outputs signals Check N108 and the circuit from S terminal to N103 Check the periphery circuit from XC02 to N801 Check N103 and its periphery circuit ...

Страница 35: ...y 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 Check N103 and its periphery circuit Check if pin7 8 of TUNER241 output signals Yes No Yes No Check if the crystal of N242 4MHz is normal Check TUNER241 power supply and the peripheral circuit Check the...

Страница 36: ...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 ...

Страница 37: ...make 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 signals of RA18 RA25 are normal Yes Check N801 and its peripheral circuit Check the connection to HDMI socket NA04 and its peripheral circuit ...

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 Overvoltage undervoltgae test Input AC voltage test Output voltage control ON OFF Va Vs active dischage control PFC OUT 400V ...

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 lower input AC voltage it will not perform power on At the status of turn on when detect the lower input AC voltage or 5VCTRL Va Vs beyond normal scope value it will perform the power down time sequenc...

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Страница 49: ...667 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 receiver board 667 PHIFC31 09 Power board 667 PHST18 20 Power filter board 667 50FB18 51 Analog board 667 50FB18 53 Remote control 301 D42FB6 06 Panel 335 50005 00 ...

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

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