XOCECO PH-42T8 Service Manual Download

Page: 71 / 77

464-6E547-M02

ELECTROLYTIC CAPACITOR CD110-25V-4.7uF-M

C957

464-6E547-M02

ELECTROLYTIC CAPACITOR CD110-25V-4.7uF-M

C956

464-6E610-M02

*ELECTROLYTIC CAPACITOR CD110-25V-10uF-M

C946

464-6E610-M02

*ELECTROLYTIC CAPACITOR CD110-25V-10uF-M

C954

464-6E647-M02

ELECTROLYTIC CAPACITOR CD110-25V-47uF-M

C976

464-6E710-M02

ELECTROLYTIC CAPACITOR CD110-25V-100uF-M

C995

666-12006-00

SMD FERRITE BEAD STBH2012-102PT

L908

666-12006-00

SMD FERRITE BEAD STBH2012-102PT

L905

340-00001-0S

SMD DIODE LL4148

D902

340-00001-0S

SMD DIODE LL4148

D906

340-00001-0S

SMD DIODE LL4148

D905

340-00001-0S

SMD DIODE LL4148

D908

340-00001-0S

SMD DIODE LL4148

D903

340-00001-0S

SMD DIODE LL4148

D904

340-00362-00

SMD DIODE MBRST130LT3

D907

340-00362-00

SMD DIODE MBRST130LT3

D911

340-00362-00

SMD DIODE MBRST130LT3

D909

340-00362-00

SMD DIODE MBRST130LT3

D910

340-50335-00

ZENER DIODE BZV55-C3V3

D900

340-50512-00

SMD ZENER DIODE BZV55-B5V1

D912

342-01380-00

*SMD TRANSISTOR BSS138LT1

V903

342-01380-00

*SMD TRANSISTOR BSS138LT1

V905

342-08470-40

SMD TRANSISTOR BC847B

V907

342-08470-90

SMD TRANSISTOR BC847AW

V906

342-08470-90

SMD TRANSISTOR BC847AW

V917

342-08470-90

SMD TRANSISTOR BC847AW

V902*

342-08470-90

SMD TRANSISTOR BC847AW

V912

342-08470-90

SMD TRANSISTOR BC847AW

V900

342-08470-90

SMD TRANSISTOR BC847AW

V901

342-08470-90

SMD TRANSISTOR BC847AW

V910

342-08470-90

SMD TRANSISTOR BC847AW

V911

342-08470-90

SMD TRANSISTOR BC847AW

V908

342-08570-40

SMD TRANSISTOR BC857B

V916

342-08570-40

SMD TRANSISTOR BC857B

V915

342-08570-90

SMD TRANSISTOR BC857 AW

V914

353-05050-20

SMD IC PESD5V0L5UY

N900

353-05050-20

SMD IC PESD5V0L5UY

N902

353-05050-20

SMD IC PESD5V0L5UY

N901

353-05050-20

SMD IC PESD5V0L5UY

N904

353-15900-10

SMD ICR2S15900SP

N907

353-30010-10

SMD IC TPA3001D1PWP (D)

N911

353-30010-10

SMD IC TPA3001D1PWP (D)

N910

Summary of Contents for PH-42T8

Page 1: ...PDP TELEVISION PH 42T8 America...

Page 2: ...tions Method of software upgrading Block diagram Working principle analysis of the unit Diagnose and service of panel Wiring diagram Assembly list Trouble shooting guide Schematic diagram APPENDIX EXP...

Page 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...

Page 4: ...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 However ple...

Page 5: ...ecome a potential safety trouble 1 22 In addition to plasma screen the glass is a part of high value It has such functions as anti radiation adjustment of color temperature etc Please handle it carefu...

Page 6: ...enu mode service mode Press the MENU button press the number button 1 9 7 9 enter factory menu then use VOL select item value and CH change it Press the MENU button exit the factory menu Check MEGA8 D...

Page 7: ...djust 3 2 3 2 item ADC auto correction again 3 2 4 AV TV channel adjustment 3 2 4 1 sub brightness and sub contrast adjustment Input the AV color bar signal PM5518 COLOUR BAR 100 to VIDEO terminal adj...

Page 8: ..._G let the color coordinate of seventh level be 285 and 290 Adjust offset_G and offset_B and gain_R and gain_G repeatedly until the value of the two levels gray scale to 285 and 290 Select 12000k of m...

Page 9: ...et up the serial port COM Port Select corresponding serial port if it s unable to FLASH WRITE change to another port Baud is selected to be 115200 Then select Reset Target After Download Click FLASH p...

Page 10: ...udio TV VIDEO AV1 Audio MP7720 x 2 Class D NJW1109 Speaker Earphone SDRAM PW118 MCU and scaler AD9398 HDMI Flash MX29LV800 DDR SDRAM 128M EM6A9320 PDP SCREEN 24bit RGB 24bit RGB AV2 Audio HD2 Audio S...

Page 11: ...incautious shorting it will get right as long as you restart it 2 The picture part The video signal outputted by the tuner send to AV switch M52797 N903 input the video signal of AV1 and AV2 to M52797...

Page 12: ...e inputted to this chip to the AD switch and video decoding 24 bit digital RGB signal and the related sync signal are outputted to N602 PW118 to make the processing PW2300 complete mainly the function...

Page 13: ...E14 GBE 0 7 Blue data output 3 2 AD9398 The chip of high definition multimedia interface AD9398 HDMI High Definition Multimedia Interface this interface is the digital interface standard that bring up...

Page 14: ...ATA HDCP serial data I O 20 21 MCLK Control clock output 51 MCL HDCP control series data clock 22 I2S_SCK Audio series clock output 52 MDA HDCP control series data I O 23 I2S_WS Bus clock data output...

Page 15: ...of this set It take charge of all control except for the power supply control including the control of each chip operation in the main board eg the image manipulation the channel switch the image disp...

Page 16: ...rnal block diagram The arrangement diagram of the pins 3 4 M52797 M52797 is a AV switch chip controlled by IIC This chip include 4 group of video input and 4 group of audio input 2 video output and 1...

Page 17: ...15 M52797 Internal block diagram The arrangement diagram of the pins...

Page 18: ...Video output to AVOUT interface 7 AV1 audio input 24 Left track audio output 8 AV1_R audio input 25 TV_R audio input 9 AV2_L audio input 26 TV video input 10 AV2 audio input 27 TV_L audio input 11 AV...

Page 19: ...6 Left and right track of HDMI 11 19 Left and right track of audio output 4 25 Left and right track of VGA 3 6 LA72700 STEREO SAP DECODER PIN description Pin No Name Description Pin No Name Descriptio...

Page 20: ...driving signal for X and Y driving boards Logic BUFFER board To convert the data signal and control signal sent from the logic board into the signals required by COF Y BUFFER board to transmit the sc...

Page 21: ...oblem lies in our main board or video frequency processing board which will be dealt with separately d If the screen is not lit then first replace the power supply board to see if the problem is solve...

Page 22: ...problem still remains when the replacement is over then replace the logic board 5 There appears on the screen a mono color signal and one or several vertical bright lines of other colors a If it s a v...

Page 23: ...rd X600 X400 X405 RS 232 HDMI VGA YPbPr YCbCr1 YPbPr YCbCr2 Power supply filter board Speaker assembly button board Logic board LA03 Power supply board CN9004 CN9003 CN8001 X301 X300 X302 X904 X903 X9...

Page 24: ...I EDID SPS42T60 01D10 Software VGA EDID 301 DL42T17 02A RC D02 0A remote control POL 615 10412 00 Panel stand assembly DZ 1042 615 20292 0G0 Speaker assembly 667 PH42T8 55 High frequency board 667 PH4...

Page 25: ...light is on Check 5V STBY Cut off the connection between power supply board and data board and test 5V STBY Check N401 and keyboard The problem of power supplies board Check power supply D3 3V D5V Mea...

Page 26: ...but no picture Display logo Check if all other channel has no picture N602 PW2300 and periphery circuit Turn to check 4 of program Check if the G401 and G7000 have the signal wave Unfix X405 and X406...

Page 27: ...8 is output The sound damaged Check if the second pin of sound power amplifier input the signal Measure if the sound input of current channel of N907 is normal Check N907 or peripheral circuits Check...

Page 28: ...face circuit Check if the YPRYPB input pin of N700 have signal Check N700 and periphery circuit Yes No No Yes Check if the input signal of N700 is normal Check if AV channel is normal N700 damaged Che...

Page 29: ...nd definition TV set abnormal vertically on half screen of high definition TV set They may be caused by the damage of the address BUFFER module that directly corresponds to its position or may be caus...

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Page 41: ...1JAF0 8 LED column 700 60186 00A 9 Button board assy 667 PS42T6 05 10 Button 877 60593 G0 11 Filter glass 740 10138 00 12 Press piece 741 10001 02 13 Press panel 803 30144 30145 30146 30147 00 14 Tran...

Page 42: ...NG 655 81201 86 8 PINS LEAD WITH HOUSING 655 81801 01 8 PINS LEAD WITH HOUSING 655 91801 01 9 PINS LEAD WITH HOUSING 665 D0002 423 AUDIO LINE XH 3 5 RCA 2000 665 D0002 438 SOUND LINE 2M 665 D0002 581...

Page 43: ...34 SCREW SJ2824 ST4X14FT Y 851 24016 14 SCREW SJ2824 ST4X16C Y 851 53010 31 SCREW SJ2825 ST3X10FT D Zn 852 14008 81 SCREW P M4X8 D Zn 852 18010 84 SCREW P M8X10 Y 852 23008 81 SCREW SJ2829 M3X8 D Zn 8...

Page 44: ...500X1000 301 CPS42D8 14 RC C14 REMOTE CONTROL 353 34283 20 SMD IC M34283M2 123GP U0 615 10412 00 PANEL HOLDER ASS Y DZ 1042 807 20217 NJ0 HOLDER METAL SILVERY GREY 08 808 20307 01 PMMA PANEL SILK SCRE...

Page 45: ...TORS TJC10 06A X302 364 37101 00 7 PINS CONNECTORS TJC3 07A X400 364 391AY 00 9 PINS CONNECTORS TJC10 9A X301 364 49213 00 SOCKET RS232 X401 364 91227 00 VGA SOCKET SCREW X201 364 93220 00 AV JACK AV3...

Page 46: ...ICPW118B 10L N602 353 00450 10 SMD ICPACDN045YB6 N102 353 00450 10 SMD ICPACDN045YB6 N103 353 00450 10 SMD ICPACDN045YB6 N214 353 00830 10 SMD ICTHC63LVDM83R N600 353 00830 10 SMD ICTHC63LVDM83R N601...

Page 47: ...454 03622 MA SMD ELECTROLYTIC CAPACITOR CDPS 10V 22uF M C612 454 03622 MA SMD ELECTROLYTIC CAPACITOR CDPS 10V 22uF M C614 454 03647 MB SMD ELECTROLYTIC CAPACITOR CDPS 10V 47uF M C317 454 03647 MB SMD...

Page 48: ...220JR R305 455 12022 H0 SMD RESISTOR FTR0603220JR R304 455 12022 H0 SMD RESISTOR FTR0603220JR R508 455 12022 H0 SMD RESISTOR FTR0603220JR R509 455 12022 H0 SMD RESISTOR FTR0603220JR R510 455 12022 H0...

Page 49: ...3101JR R401 455 12110 H0 SMD RESISTOR FTR0603101JR R426 455 12110 H0 SMD RESISTOR FTR0603101JR R400 455 12110 H0 SMD RESISTOR FTR0603101JR R441 455 12110 H0 SMD RESISTOR FTR0603101JR R702 455 12110 H0...

Page 50: ...3472JR R223 455 12247 H0 SMD RESISTOR FTR0603472JR R224 455 12247 H0 SMD RESISTOR FTR0603472JR R443 455 12268 H0 SMD RESISTOR FTR0603682JR R139 455 12268 H0 SMD RESISTOR FTR0603682JR R167 455 12268 H0...

Page 51: ...J R280 455 22068 H0 SMD RESISTOR RC11 1 8W 68 J R133 455 22068 H0 SMD RESISTOR RC11 1 8W 68 J R134 455 22068 H0 SMD RESISTOR RC11 1 8W 68 J R132 455 22068 H0 SMD RESISTOR RC11 1 8W 68 J R135 455 2206...

Page 52: ...H9 SMD RESISTOR ARV241 47 J R606 455 30047 H9 SMD RESISTOR ARV241 47 J R603 455 30047 H9 SMD RESISTOR ARV241 47 J R610 455 30047 H9 SMD RESISTOR ARV241 47 J R707 455 30047 H9 SMD RESISTOR ARV241 47 J...

Page 53: ...304 456 1410R CA SMD CAPACITOR 04022E104Z160BA C315 456 1410R CA SMD CAPACITOR 04022E104Z160BA C338 456 1410R CA SMD CAPACITOR 04022E104Z160BA C325 456 1410R CA SMD CAPACITOR 04022E104Z160BA C351 456...

Page 54: ...530 456 1410R CA SMD CAPACITOR 04022E104Z160BA C836 456 1410R CA SMD CAPACITOR 04022E104Z160BA C827 456 1410R CA SMD CAPACITOR 04022E104Z160BA C834 456 1410R CA SMD CAPACITOR 04022E104Z160BA C812 456...

Page 55: ...214 456 2410M C1 SMD CAPACITOR 06032E104M250BA C260 456 2410M C1 SMD CAPACITOR 06032E104M250BA C261 456 2410M C1 SMD CAPACITOR 06032E104M250BA C301 456 2410M C1 SMD CAPACITOR 06032E104M250BA C406 456...

Page 56: ...328 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C510 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C503 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C804 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C811 456...

Page 57: ...K0 SMD COIL NLC453232T 220K L105 474 25022 K0 SMD COIL NLC453232T 220K L106 474 25022 K0 SMD COIL NLC453232T 220K L107 474 25022 K0 SMD COIL NLC453232T 220K L200 474 25022 K0 SMD COIL NLC453232T 220K...

Page 58: ...B2012D600T L302 666 12011 00 SMD FERRITE BEAD GB2012D600T L300 666 12011 00 SMD FERRITE BEAD GB2012D600T L805 666 12011 00 SMD FERRITE BEAD GB2012D600T L806 666 12012 00 SMD FERRITE BEAD BG2012B300T L...

Page 59: ...F8 667 PS42D8 20 POWER PCB ASS Y 329 33204 00 CRYSTAL 32 768K G601 340 00197 00 DIODE 1N4007 D613 340 00197 00 DIODE 1N4007 D614 340 00291 00 DIODE TEU2YX D503 340 00381 00 DIODE FFPF10U60S D611 340 0...

Page 60: ...90 IC TA78L09 D N601 364 3B101 00 102 PINS CONNECTORS TJC3 12A X603 364 3C101 00 101 PINS CONNECTORS TJC3 11A X608 364 3D1CS 00 10 PINS CONNECTORS VH 10 X602 364 3D101 00 10 PINS CONNECTORS TJC3 10A X...

Page 61: ...CD110HR 25V 3300uF T C572 464 RE833 T0 ELECTROLYTIC CAPACITOR CD110HR 25V 3300uF T C573 464 RE833 T0 ELECTROLYTIC CAPACITOR CD110HR 25V 3300uF T C574 464 RE833 T0 ELECTROLYTIC CAPACITOR CD110HR 25V 3...

Page 62: ...RESISTOR 1 2W 10 JL R625 467 2F010 H0 METAL RESISTOR 1W 10 JL R552 467 2F351 H0 METAL RESISTOR 1W 51k JL R639 467 2F415 H0 METAL RESISTOR 1W 150k JL R538 467 2GA01 H0 METAL RESISTOR 2W 0 1 JL R519 46...

Page 63: ...477 40031 00 FIXED INDUCTANCE LG750 L508 477 40031 00 FIXED INDUCTANCE LG750 L509 477 40189 00 FIXED INDUCTANCELI050 L507 477 40266 00 FIXED INDUCTANCE LH221 L505 477 40269 00 FIXED INDUCTANCE LG101E...

Page 64: ...380 00 SMD TRANSISTOR BSS138LT1 V605 342 01380 00 SMD TRANSISTOR BSS138LT1 V606 353 00080 90 SMD ICATMEGA8L 8AI N608 353 97010 10 SMD ICBD9701FP N508 455 22010 H0 SMD RESISTOR RC11 1 8W 10 J R536 455...

Page 65: ...61 455 22210 H0 SMD RESISTOR RC11 1 8W 1K J R562 455 22210 H0 SMD RESISTOR RC11 1 8W 1K J R621 455 22210 H0 SMD RESISTOR RC11 1 8W 1K J R627 455 22210 H0 SMD RESISTOR RC11 1 8W 1K J R628 455 22210 H0...

Page 66: ...0K J R655 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R667 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R563 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R573 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R553 45...

Page 67: ...6 3210H 12 SMD CAPACITOR C2012CH1H102JT C612 456 3210H 12 SMD CAPACITOR C2012CH1H102JT C529 456 3210H 12 SMD CAPACITOR C2012CH1H102JT C520 456 3215H 12 SMD CAPACITOR C2012CH1H152JT C524 456 3222H 12 S...

Page 68: ...C623 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C629 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C630 666 12010 00 SMD FERRITE BEAD GB2012D151T L601 782 PS42D8 200A POWER PCB 340 10113 20 LED HFT503MPB...

Page 69: ...NS CONNECTORS TJC10 9A X904 364 91202 00 S VIDEO TERMINAL CKX5 2K 2 X906 364 93219 00 AV JACK AV3 14WKD X902 364 93219 00 AV JACK AV3 14WKD X901 364 93219 00 AV JACK AV3 14WKD X900 464 6E647 M0 ELECTR...

Page 70: ...12Y5V1E104ZT C936 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C938 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C940 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C960 456 2410R C2 SMD CAPACITOR C2012Y5V1E1...

Page 71: ...00 SMD DIODE MBRST130LT3 D910 340 50335 00 ZENER DIODE BZV55 C3V3 D900 340 50512 00 SMD ZENER DIODE BZV55 B5V1 D912 342 01380 00 SMD TRANSISTOR BSS138LT1 V903 342 01380 00 SMD TRANSISTOR BSS138LT1 V9...

Page 72: ...R908 455 12051 H0 SMD RESISTOR FTR0603510JR RA40 455 12051 H0 SMD RESISTOR FTR0603510JR RA41 455 12051 H0 SMD RESISTOR FTR0603510JR RA31 455 12051 H0 SMD RESISTOR FTR0603510JR RA30 455 12051 H0 SMD RE...

Page 73: ...3822JR R944 455 12310 H0 SMD RESISTOR FTR0603103JR R923 455 12310 H0 SMD RESISTOR FTR0603103JR RA10 455 12310 H0 SMD RESISTOR FTR0603103JR RA23 455 12312 H0 SMD RESISTOR FTR0603123JR RA18 455 12312 H0...

Page 74: ...1 SMD CAPACITOR 06032R102K250BA CA03 456 2210K B1 SMD CAPACITOR 06032R102K250BA CA04 456 2210K B1 SMD CAPACITOR 06032R102K250BA CA08 456 2210K B1 SMD CAPACITOR 06032R102K250BA CA09 456 2210K B1 SMD CA...

Page 75: ...902 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C924 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C941 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT C912 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT CA55 456...

Page 76: ...D CAPACITOR 08052E105Z250BA C931 456 2510R C2 SMD CAPACITOR 08052E105Z250BA C932 456 2510R C2 SMD CAPACITOR 08052E105Z250BA C966 456 2510R C2 SMD CAPACITOR 08052E105Z250BA C967 456 2510R C2 SMD CAPACI...

Page 77: ...F M CA30 464 6E747 M02 ELECTROLYTIC CAPACITOR CD110 25V 470uF M CA27 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M CA86 474 25022 K0 SMD COIL NLC453232T 220K L907 474 25022 K0 SMD COIL NLC45323...

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