pdp-42xs1_sm9.3 MB
Contents
1. 010 71 288385828558 ee A 0 7 BV 1 0PU EEE GE Rog RR O 0000 OO Ala eet alg A 40 N502 R532 RH 29 040 g 100 33 rp Bia 12 13 B590 40101 A533 Al 13 AT 41 40 ao 714 ADIT 100 I5v 1 CPU 10 At a 715 ADIT SVIDEO ID gt Lg 42 92 47 2604 SV 1 CPU HH 83 10141 AL 15 33 1 8 A4 a4 20151 RX INT 579 gj 5 05 35 0151 lay vec 14 T sl al sl a al al 16 ATI 13 45 06 ABT astat s x xx ae pg 33 27 07 2 tA ee TS LED RED 77 ala7 ATS 8580 25 48 c 2 88 48 12 5V 4_CPU 2 ato ot 2 o p o ml al o s alfa 25 5V 4_CPU RIR R R z e 8 8 3 3 3 z 2 2 B B 8 8 3 B2. x110 Stanik SCA LIN SCART2 LIN RTZRIN T1LIN 1 10 IRT1 RIN AV1 LIN mE EU AUDIO PIP MONO 49 E SC4 LIN 4443 8 2 zi 4 Or 8s zs um o SIF1 a XTAL OUT N GND D TB MSP3440 Or VIDEO OUT RI53 DACM L T Tod un 2 I 154 9 ont M LR EE DSTI RT ol Ot MUTE On a 10402 101 10 5 10 0 E el 8 x X111 E O I1 34 i 2 O 5 a 3 sk 5 n 5 z 4 E i 8 l 8 8 8 EIE als R101 57 1098 IEND D I ale
3. C243 100 VGA HSIN vooMa VGA VSIN 844 9609 9345 PR IN 1 L252 il 4 25 5 95 95 95 45 45 2012 151 AS TAS TAS TAS TAS ASTA SR 28 9808 100 S5 EL vos Y IN 9248 VD3 3 VDDH CPU at 4 wc me Hi gstostistfstostostesLes E D SETAE NET RE RET RE BET NE E Pues slept cete en Palak I e 58 xm Seer sess mu 14 DERI ununarnrnam gg WANA PB_IN 5 it znznuzn 140999991 88 SS 17222555 33 2222 22 2 2 2 2 221555222 oo VDDC_C5 8888 888888888 88599888 99 EEEZEE 3 3V_SB VD3 3 5558 55555558 SSS zz VDDC D5 et T 03 14 31818MHz VDDC E 14 XTLO VDDC E13 MM 4 235_ 6251 37 VDDC E6 20 20 VDDC E5 PLF2 VODC F 16 PSS i55 85 85 132 616 SST SL 59 SSTSSTSS VDDC H16 SCART RIN T4 VODC_N16 UT AIN HS VDDC N5 AIN VS VDDC P16 N201 VDDC P5 5 Place these capacitors underneather 1 PR R1 SVP EX62 VDDC R5 TI Ja 1 VDDC T5 P _ 2 G4
4. FROM x224 3 3V 58 D704 LL4148 1 5 ex SCART FB gt MUTE POWER DRETEL gt IR_reserve re VEAL LED TO LED SHOW FOR DEBUG UPDATE FROM PAR x BIN gt VGA_AIN gt vann gt PB IN gt PRLIN FOR WHR x220 6 gt Prw LOscagr viteo FROM 222 5 L scant BIN Dscant cIN Du 5V_PANEL xen LED RED 794 KEYBOARD INTERFACE Dr F R EBEK INTE
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6. mare VM Corral HAV Voltage Poctecton Veuoeny TELETEXT Garrera LUT 15 Diagnose and service of panel 1 Block function of panel The power supply board Logic board X drive board Y drive board Logic BUFFER E and F and Y BUFFER upper and lower of the PDP panel Y BUFFER upper Power supply board to supply power for the screen other functional modules on the screen our own main board and video frequency processing board X driving board to produce and provide driving signal for X electrode according to the time sequence signal sent from logic board Y driving board to produce and provide driving signal for Y electrode according to the time sequence signal sent from logic board Logic board to process the image signal sent from the main board to produce addressing signal and to provide 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 scanning signal from the Y driving board to the screen which is divided into upper and lower parts COF to convert the signal sent from the logic BUFFER board into the address signal used by the screen 2 Trouble diagnosis 2 1 The screen is not bright 2 2 There appears on the screen a line or several unlit lines 16 Check if the socket between Y driving board Y BUFFER i
7. 04 OG OG 73 GC OB 71 OG 00 1 7h DE OG 14 ED DC HH 7D BC 38 DU DD 00 puusuiBD S 02 EL Hi GC BU dhttit BH d OG HO na wo Hd panigi v EV DD d 57 HU 0 dB OH PH H9 dd AMNAID 52 OF DG OG DD PU BB 00 OG dd 72 HH H 97 MG BU Ja OG DE F 95 OG DO 90 Db 98 PC DD FANA AA ha 9H an 7H 20099 1E 06 dh 10 s tf 2 I ng ae H niman e nn pa OF Bh Bn nn Hmmm trite tere 5 Select WRITE DEVICE item of the device menu till the screen display DONE EL Ma sas us ET LIFE A mmm te tex Open tek Seer he LE wa s 7 HH HB 07 30 39 20 17 GFK UGG MOE DE 01 CRRA OD 40 DC pannagi ec P 6c Ab DE xv OG 15 en 16 ng n 08
8. q ar I 2 N105 PACONO A5YBE Y 5 1 4 E DS NDD IE GND D 47 AUDIO amp VIDEO PROCESSING HEEJ version1 0 IER TAS 9V TUNER 56 1 Ho TJC10 07A X901 L908 TJC10 09A STPB3216 3B0PT M 4 5V_PANEL x902 VD3 3 T 88 ES os 1 5 1 N o noci STPBSBTS 380PT ay SVP EX 3 3V 5 r Saul 3 x903 ET Standby Power 4 5V PANEL 507 V5 ON gt c 5vp Oi 1909 STPB3216 380PT ast Rs FROM LG42V7 PANEL 1915 T STPB3216 380PT rm 5119011 1 8V Power IEEE Power for DDR IO PADS i VDDNG 2902 i rm VDDMA VDDM 45V PANEL Mie duel
9. CT Bi is T yla 2 STPB3216 380PT T ee rm 5119011 3 3V power Jui dal 88 8 J ST 88875 T 5119011 POWER 1903 i SPI SEPT Power for DDR Core Logic i i I ls da al T 88 B 1 1505 04 STPB3215 380PT 51117 1 4 mm IN OUT i ivl i als sles gda 5V PANEL 2 8 5 2 8 5 ae i isie 3 3V Power for I AS2B30AT 3 3 STPB3216 3B0PT sje rm vin V ut rm TVP5147 ANALOG 1906 N905 VD1 8 el 4 als i STPB3216 380PT x ADJ GND slag 38 8 1 T IN OUT atthe ela adi 38 8 88352 4 gt t sa zi JE Ji 1008 3 Power Sr 83 85 stan 816 oy 4 S TE 82 5 4 mm for TVP5147 1 at 38 8 3 1907 N906 STPB3216 3B0PT A51117 1V8 H A1 8VDD Mm js IN OUT N3512 1 1 Power for ums 1 5 TVP5147 ANALOG 8 9 T 28 8 T I S 0004 BV 1 Power ER for TVP5147 L910 5V PANEL AP1501 33K5 470M2R7 BTS SIGN2126 0902 ao Output gt d gt SK34 FB le ate 5 6 83 27 8 5 3 E T TVP5147 POWER for DS90C385 5V PANEL 3 3V LVDS 203 P542W60 0 1DL 16 i 100uF 100uF C931 C939 4 X on
10. 0123 15 15 097 15 017 R403 9 mig nis MDI 24 61 Fre mate 25 51 121 Doig Doia Mol 26 Mol 4 13 nate Mol 27 Mp 3 Mo 28 MD 2 18 0621 N401 MD 29 VDDMQ K4D263238F 0130 0022 Ds 1 0923 098 15 8406 23 410 DaM 01 24 0680 Dua DOMTSI 59 55 nant DM1 15 n 94 Das VREF vssa gs LY 19 550 VDDGB ETE vssa VDDQ14 zg VSSG VDDG22 75 VSSQ VDDG59 550 VDD067 35 V550 VDD073 gg V550 VDDQ79 vssa VDDQB6 VDDGS5 mou pone 8988 gygygggg gt 8888 0999 3 g9gg9gg9gg9gzzzzzzz 9999 Trap VDDM 8406 V i I 1 SSTSSTS 5 83 VDDMG 55 zl zl zii al 3l d al RI E 38 SSF IST SS SS Sg x eke 241 I 5 I 5 5 I ail Bel IL DGM 0 3 MDI 0 31 BA1 BAO 50 CASI CLKE MCLKO 4 MCLKOF MVREF R 203 PS42W60 0 1DL I 52 0 61 v0 B1 FLOQUT_EX HSQUT EX UT EX CLKQUT_EX DISPEN vo R a 3 vo G a 9 vo B a 9 FLOOUT EX HSOUT_EX vSOUT_EX JEOUT CLKOUT EX DISPEN
11. ET FA 01 88 en DL H DP CD BR DE QW BARADAT m MA 15 14 Dh OG mn sp nc a MC B Bodde DE 2242 05 77 43 OG CU T 29 PY R OG G 69 70 ie 73 OG 71 Deding i i 75 DU HZ BL 7H ens SO FE Gapining HY HL Hi UL dd 7H lt OG HA 2 V HU H7 HV HE G dH HU wea il 52 H Empatia G D dH 7 HH BL H BE HH HE P G OG SC 90 OG dH L4 V tace ol cies MG 10 1D OT 77 D F d e ei LETT TET min 6 turn off the power restart the unit Note be
12. 1 VDDC H13 SVP EX62 in solder side vga PR R2 VDDC HB SCART GIN Y 62 VDDC N43 2 PB_B2 2 of 2 Ka CVBS_OUTP VSS_B17 L4 CVBS OUTN VSS_B13 vo3_3 CVBS4 55 11 L254 CVBS2 cvas2 STBL2012 154 CVBS3 M3 ji CVBS3 VSS 87 VSS_B5 ce7il L 0 VSS D18 1001 F SCART BIN Ni AIN N1 VSS_D13 R255 NI AIN N2 VSS_DB Ead t DA VSS_F19 STPB3216 310 F RE VSS_F17 e M VSS H19 D 3 8 VSS K19 E d Place the three resistor mm VSS N19 VALB E 4 9882 55 17 L256 9 3 3 1 to EX 62 chip as 9999 as 9994 STPB3216 310 2 e close to chip rrr5952555529v7v7vv597122392z2zzzZzzz Umuwwiiim 8anniiim 1112111111772 2222244444 0U0DUODDOO o M SCART VIDEO Em a 55559909000 SSOOSRRER SO Oe ee ee eee ee C273 Xi 100n I SISSE ERR RES AVDD ADC3 i vro M tge AVDD_ADC2 STPB3216 310 AVDD ADC 1 PDVDD ES 5V_PANEL PAVDD eda STBL2012 151 ur PAVDD4 TV MAIN g PAVDD2 VL1 8 ND L258 2g STBL2012 151 9 tl TT c275 L L T S C228
13. 100n 16 1259 a Il BES7AN STBL2012 154 AF By 7 4 C276 X 8m 5 1 id 6229 4r FE C IN1 o 58 6269 65 A265 22 7 excvesout C c4 n 5 C270 203 P542W50 01DL BKR A HR ER T Z IB egre 3V SDA 3V SCL TP203 S TT gt 00 10 31 MAlo 111 lt _ ec gt 0052 als 0 1 lt 1 must CASE 3 34 58 MCLKO t MCLKOF 5201 R203 CLKE 0 BAO BAL V0 60 en en en r len e o sre m V0 61 gERSSERSES S9955gS
14. RENESAS M16C M30620SPGP Video decoder SVP EX62 sub screen TVP5147 AD conversion line by line conversion Teletext decodes SVP EX62 HDMI SILICON IMAGE the second generation processing CMOS chip Sil9011 Audio processing MSP3410 Sound power amplifier D class audio MP7720 single channel The CPU of the unit is M16C N501 which mainly control the working of all CMOS chips including receiving infrared telecontrol keystoke standby control I O control the main CMOS chips is SVP EX62 N201 which mainly in charge of function of the picture dispose passage conversion picture display menu display picture effect adjust accompany sound dispose including volume adjust the control of high and low volume stereo decode the control of channel search TELETEXT decode 2 sound parts The unit adopt double tuner including tuner and IF amplifier circuit antenna receives signals sends the signals to the TUNER1 TUNER1 contains high frequency distributor the RF signals distribute one way to the TUNER2 thereinto the fourteen foot of TUNER1 supply the power 5V for the high frequency distribution part Tuner under the control of assistant CPU N502 SDA SCL to choose the appropriate channel and then switch to the right TV system output video signals and audio signals after HF amplifier and IF amplifier decoding The output signals of TUNER 1 sent to decoder SVP EX62 as the main screen display while TUNER2 sent to decoder TVP5147 N
15. RIS ons 5 51 TXINO 7 50 vo nlel 7 ENNIO TXIND 2 ISPEN 8 49 TONO NDAS 4 9 46 vere TX10UTO 10 a7 5 Tx10UTO 46 5 TX10UT1 ND 44 GND13 oc Ne END 42 TXINIS TX 0UT2 4 TX10UT 40 FB TXICLKOUT 40 vr FOR LG PDP42V7 TXINI7 TXICLKOUTHS vo al5 TXIOUT2 v0 8 6 37 TX10UT3 Lvos enoas casa 22 vo 817 21 9 ay k vo 8181 t PLL Vcc S vo al9 te Tx1N22 PLL_GNO33 tn 1 TxIN23 BROWN TUUS R302 veces TeCLK_IN 30 TxIN26 9 EK LVDS E XR ES 203 PS42W60 04DL 1 0 g3 A Xs H BERBERA APRA
16. SDA PANEL lt L P c303 C305 100n 1 3V LV STBL TXINS TXING nave rane TXINIO vec TUN GND13 TXINI5 6 021 TXIN20 TXIN21 TXIN22 R301 TXIN23 TXIN25 1 5NTD 50 TXIN27 49 LVDS GND4S TX10UTO TX10UTO TX10UT1 45 moutt 43 L TX10UT2 42 41 maouta 40 TXI1CLKOUT 40 39 TXICLKOUTHSS 38 TX10UT2 38 36 22uF LVDS GND36 38 i 1305 PLL GND35 I ST8L2012 501 PLL Vcc 17 33 PLL GN033 tll PR DNN 31 TXCLK IN 20 TxIN26 ES i x301 GND D SND SND MTD i v TUM 55 TXINS TxIN3 TXINS 53 TNT oND53 5 52 v0
17. YES NO Check the peripheral Between the VGA socket circuit of N709 and and N709 channel has power supply problem 27 4 9 NO SOUND of HDMI channel Check if the pinl and pin3 of N707 have the signal input Check if the pinl and pinl2 of N707 have signal input Check if the pin7 and pin10 of Check the peripheral circuit of N707 have signal input N707 and power supply Check between 601 Check if the pinl 4 of socket and N707 channel N601 have signal input No Yes Check the program Check the peripheral circuit of N601 and power supply 28 4 10 Abnormal of the picture 4 10 1 color abnormal certain differential wire pair of LVDS RX0 RX1 RX2 RX3 of X301 is abnormal which may lead to lack of color it s not a complete loss of color b Failure with resistor rows R225 R2300 which may lead to loss of corresponding color from the gray degree corresponding to the picture of all channels c Failure with resistor rows R819 R822 which may lead to loss of corresponding color from the gray degree corresponding to the picture of VGA YPRPB AV TV channels d Failure with resistor rows R653 R659 which may lead to loss of corresponding color from the gray degree corresponding to the picture of HDMI channel 4 10 2 Abnormal picture vertically or horizontally bar like Abnormal in complete line extending all the way from up downward on the screen of stand definition TV set abnormal vertically
18. 15 SPDIF 101 aesa 014116 71 9 16 100 DINI47 72 803 GE17 33 DINIS 33 33 502 GE18 TIN S R643 741 QE19 pt 74 301 19 659 20 75 500 bes 94 DINI21 gt 3V SDA 76 93 TINE Bax Bz DINI23 33 5 A 3 34 58 888888299999 9 9 aa kk 9999998858888 2 88 SEE axl ov zB x sg BY tv 82 3 M 68 Em 1651 4 5 sel 2 3 gt 6 01 se i 8 8 FT sei E rm x cc gt 501 zu SES a 8 9 C604 ee 3 3uF hi HDMI R 50V gi 54344 5V DAC 5V_PANEL 2 IIS_DATA 4 10 SDIN AQUTA E 2503 022 IIS SCK 9 HDMI L DEMSCK gt li5a STBL2012 151 al I 118 5 3 pe i ay y 2 eR 65 AQUTL 5 va FILT F Lag m TEE 55 ee 203 P542W60 0 1DL C601 3 X W BR 6 T Z B0 TN dit
19. 2 MUTE POWER ES HUE Se 1 A574 100 SDA_PANEL A612 R510 JOMHZ h p 6 i ei 1 0 106 41 gt gt SCL PANEL RLY ALL e R514 BT RAT 4 R549 100 Reserve 100 S 1 CPU1 vs on K 1 8550 __ 100 t gt CPU RST 5555 100 R536 4 4K Reservei C502 552 100 IR 7 INTE iu R553 100 C504 IR reserve 1 I 1 e xr zz 10uF 16V I uis s s s D501 R537 5501 8 2k v502 Spy 9n 9n sn Sh T gg g 7 HZ4A2 out 203 PS42W60 0 4DL C501 5 1 5V_SB 5V 1 CPU cos 9800 L504 STBL2012 151 PT 3 FRR I st 5 4 H L TI UE BEUSI AS 888 10uF C506 0 111 1 4 0052 0 111 401 TP402 408 409 410 d als neis 414 WY gt 9299239955992 Xie 15 cu anots a o 15 1 o R402 97 8407 5e wo 45 jio bai wl 46 55 01141 ee 1520 ND 17 MEEN 100 054 421 191 01111 ald pe ND 20 MOL 101 2857 0121 es pud volal
20. 3 5 F 33 4_ Ait 4 4 2 11 ADS vee E 5 zs E ste ees See SaaS are 38 4 7K a d aa a d a al El gu NOE MESA 415 6 T 9 R515 amp ER B B RR EOS g E s 3 2 100 76 om 50 AL 18 2575 33 30 A16 5V 1 CPU LED P4_2 A18 1 3p M7 7 1 49 A556 0 A18 GND LED BLUE Q PLA gg il 78 __ 48 R557 0 scol 1 0 4_4 50 5 a R516 71 Ev 4017 78 47 R558 47 8585 PO_7 ANO7 p4_5 CS1 33 ADIS 46 R559 22 P0 6 AN06 P4_6 CS2 8586 gt MPUEPIO 0151 Bi __ 45 R560 4 7 TP511 P0 5 AN05 P4 7 053 2606 AD 4 82 44 22 5V 1 CPU PO_4 ANO4 P5_0 WA gt WR EMU AD 3 43 R561 0 TP509 AE P0 3 AN03 P5 4 BHE p562 MEN P0 2 AN02 P5 2 R0 t gt RD EMU ADL 11 85 41 SV 1 CPU PO_4 ANO4 P5_3 BCLK wl a E 86 40 mum FOR EX62 RESET 8 2517 5 P0 0 AN00 P5 A HLDA 05 TP812 T lt 87 N501 39 4 rk R604 27 gt RST H AV TV SW P10 7 AN7 P5 5 HOLD ut 0 R518 100 38 5 22 BN 8 SCART 1 ADC P10 6 AN6 M 46C P5 6 ALE UPS 4 gt ALE EMU R519 100 ag __ 137 8664 4 7K kd SCART2 ADQ P10 5 AN5 P5 7 RDY gt se R520 100 30 EE 9565 0 R588 Reserve3 lt P10 4 AN4 P6_0 CTSO ATSO 400 A52
21. 60HZ 972 4 5 VGA terminal Input the VGA signal VG 848 signal generator separate input VGA format signal of table 1 check if the image and sound is normal If the image is deflection of the H field select auto sync correction of the SCREEN menu If the image is slight disturb adjust the FINE TUNE correction of the SCREEN menu Open the PIP mode connect the earphone and check if the image and sound is normal 4 6 HDMI terminal HDMI signal format receive the three high definition signal 480P 576P 720P 50 60 Hz 10801 50 60 Hz except for the table 2 signal Check if the image contain HDCP ON and OFF and sound is normal If the image is deflection of the H field select auto sync correction of the SCREEN menu Open the PIP mode connect the earphone and check if the image and sound is normal TABLE2 VGA signal format TIMING parameter VG848 NO 640X480 60HZ 885 640X480 72HZ 851 640X480 75HZ 852 640X480 85HZ 334 K7253 720X400 70HZ 855 720X400 85HZ 960 800X600 56HZ 853 800X600 60HZ 854 800X600 72HZ 887 800X600 75HZ 945 1024X768 60HZ 856 1024X768 70HZ 857 1024X768 75HZ 858 1280X1024 60HZ 963 4 7 Ex factory setting see to TABLE 3 TABLE 7 TABLE 3 Factory Option Menu ITEMS EX FACTORY SETTING Bus off Off EEPROM Erase Off Backlight Adjustable Off Back Light 100 Menu Timeout 10 Blank swit
22. DP1023 33 10 71 lt Fi RR X 4 A230 RD EMU 5 25 5 33333 ES REBRRB DobDDODDODODDODDODOGUOU 55 ALE EMU sls selle ellelelekkkllsslllselikke skole mu R204 ge see medie a e i 50 ES SSF isis PmTREPPBPPE meas IS JUST REY MPU has multiplex IIC Address 7E 7F Y FOR SVP EX Data Address DEOUT ER MPUCSON CKQUT EX VSOUT EX HSOUT EX INTE DHS 2EX 2 Leer MPUGPTO4 DVS 2EX CLK 2EX s 2 gt FLD_2EX MPUGPIO4 BB MPUGPI00 gt DINI0 23 R224 R240 201 Rege MPU has separared TKO Address 7C 7D Address data DINIO 1 i R217 DIN 11 2 2 33 CLK 2EX DIN 2 3 DINI 3 5 4 4 R18 x SK DHS 2EX DVS 2EX DINI4 9 fo DINIS 15 49 DINI6 ae 5 DINI7 45 12 EJ 13 14 DIN 23 15 14 DIN 22 18 eL DINT21T TP201 DINIB ae DIN 20 men DINI 10 8 DINL 11 21 22 DIN 19 23 DIN 18 23 24 DIN 17 DINL 12 HM DINIG DINI 13 DIN 14 er 5 DINL 15 E s 29 30 30 CON 2X15 P1 0 5 F R R SVP EX62 BER 203 P542W60 0 1DL
23. i 2 9 X it wo u 25 at 389 ST 205 7T e 800 0 10 0 1u gt OVS 2EK gt DHS 2EX 33 gt DINIO 23 406 RB19 35 14 31818MHz DINIE DINIS DINI 101 1 1 DINDI A1 BVDD 9 Ji EN To p DVDD1 BY g Ella 80 C805 100n 7 11 oe E 2828 351588 9 3VDD EE a gt ong 7 cu 5447 c amp nen 60 907 897 RB20 E Sul 86 1 2 1 7 69 DIN 44 68 SEE 7 u 4 cH1 assvoo c 9 Fs0 57 5 cH2 ASSVDD 66 2808 6 pvonss 55 n 7 5 mr 7 VI 2 A v 064 100 Y 5147 nol 2 y 163 EJ 0 lt DINIO Y 1H 2 58 DINI 2888 DIN 2 88 ge 16 cuo A186ND E 3 51 DIN 4 c42 a18V00 es 4
24. on S terminal Check if the C228 and C229 have the signal input Check if the pin 2 of N708 has input signal Check periphery circuit of N201 crystal and power supply Check the S terminal socket to N708 channel Check the periphery circuit of N708 and power supply 4 3 NO picture of TV channel 4 3 1 mainframe Check if the C227 have the signal input Check if the pin 2 of TUNER101 in TV board has input signal Check periphery circuit of N201 crystal and power supply Check TUNER101 to N708 circuit Check the periphery circuit of TUNER101 and power sunnlv bus wire 24 4 3 2 sub frame Check if the pinl6 of N801 have the signal input Check if H and V sync clock signal of N801 output is normal Check if the pinl2 of TUNER102 in TV board has the signal output Check the Check the Check between Check the peripheral peripheral peripheral the TUNER102 102 power circuit of N201 circuit of N801 and N801 circuit supply and BUS crystal and crystal and power supply power supply 4 4 No picture of SCART2 Check if the C228 and C229 have the signal input Check if the pin 3 and pin6 of N708 has input signal Check periphery circuit of N201 crystal and power supply Check between the SCART2 socket and N708 circuit Check peripheral circuit of N708 an
25. 1 100 91 35 P10 3 AN3 P6 4 CLKO 0 gt set Hio 5502 R522 100 92 34 Ro 5V 1_CPU 3 34 58 0 P10 2 AN2 P6_2 SCLO 9 0 Oe 1523 100 A615 C518 KEYA gt sv reer P10 4 AN1 P6 3 SDA0 O 0 R502 4 7K 94 CTSS BTSE 32 Cc Ass P6 A CTS1 RTS1 16V RS 95 31 R513 P10 0 ANO P5 5 CLK1 3 gt STH CE REMOTE 30 9 5V 4_CPU V REF P6_6 AXD4 4 s7 3 FOR SII9011 TVP5147 MSP3440 RESE P6 7 TXD1 5 n524 330 98 28 a swo lt P9 7 AD TRG P7_0 SDA2 8 VOLTA 8525 330 98 27 gt C 29 6 P7_1 scLe 7 100 i E 26 N503 E PAGE 8504 9 5 cl m 5 2 2 PE2 TMout amp 8 4X SV 1 0PU 8 8 EEEEZ22 4 4 4 AT24LC324 SN TOVDD3 3V X X ox 6 I E oL OE ee 3 VU 3 3V SB m S m N wo 2 m N wo m oe Sy Oi sae 4 9 4 eS gp g d g F Z d d 0 8 9 5 9 d gd d d gd d nN ete x n Ee Hn tn o a m gt gt a a a n n es of ole z o el sl al el al 9 e Tru 5 6 R597 SCLE 8607 5 100 K 1 100 5 p598 sale 505 NES REST 100 END SDA NDC7002N VERNE 8508 9577 Sel Lag 100 570 1 1K BT 4 bi 3 R508 6501 4 100 100 D 5 51
26. 3 Unit adjustments 3 1 Connect jump wire SW501 to the power 24V for the unit panel 3 2 After connect the digital board button board and HF board check if the display is normal 3 3 Enter factory menu The first press the MENU button then press the 9 1 8 buttons enter factory menu Press the SLEEP button to selection the adjustment page menu press CH and CH buttons to selection item press VOL and VOL buttons to set item press the MENU button exit the factory menu again If the unit does not turn off you press the SLEEP can enter factory menu 3 3 4 EEPROM initialization Enter page one of the factory menu select the EEPROM INITIALIZE to ON 3 5 White balance adjustment The eight level gray scale signal of FLUKE PW5148 video generator sends to AV channel enter the factory menu white balance adjustment page Select the standard color temperature item fixed the R GAIN to be 32H adjust the seventh color coordinate 284 299 of B G GIAN fixed the R OFFSET to be 32H adjust the second color coordinate 284 299 of B G OFFSET Note adjust white balance of standard color temperature of the AV channel other four channel due to the software auto adjustment under the 1200k 270 283 6500K 313 329 due to the software pre set Cool and warm color temperature pre set of the AV channel as follows table AV channel Cool 1200 Warm 6500 R Offset 32H 32H G Offset 2BH 2BH
27. 60 18 A18VDD REF 49 13 A1BGND REF 48 Y 5 47 33 que 1S nets v s 46 RB22 7 Tm 16 7 45 1 DINE DINIG 3 17 v1 3 B 44 DINI7 988A v 1 18 3 43 get 19 DEND42 42 SET 20 nc20 DVDD41 41 a 5 amp x X ox S 505 3 28 5 z 8 8 5 a 2 7 CB10 gt 6 1001 Ls CLK 2EX 7 SCART VIDEO WE RSTH 3V_SCL 8809 Bon why 400 3V 8DA A1 BVDD 3VDD xs 25 ust ast mo MO I 0 004 BV IOVDD3 3V TVP5 147 203 PS42W60 0 1DL FT E ET BT Box EEE Z B0 TN tt x701 HOR F 158 3 VGA RIN IF 1721 709 aR 16v N703 GA IN PESDSVOLSUY 1 Y 1723 a 58 2 VGA_BIN gt V64 8IN N709 p722 1 4 gt gt ves vers 100 R715 100 8746 N70 24 24 10 4 TD te VOLK so 100
28. 801 as the display of sub screen Audio signals sent to audio processing MSP3410 N101 directly meanwhile double tuners will send the SIF to N101 dispose use to stereo decode and automatic volume control N101 is provided with audio channel switch the audio input of mainboard VGA HDMI YprPb signal is sent to N101 with TV and AV after via N707 chip switching The audio signal one way via volume and high low sound control after them left and right sound sent to sound power amplifier MP7720 and then send to speaker Other way left and right sound sent to earphone power amplifier JRC1109 N104 after them sent to earphone The volume is controlled the controller signal SDA and SCL other way sound of AV out the output SCART terminal of video board Audio processing IC The diagram of MSP3410 shown as follows 13 Sound Loug Loud Pre spesker n processing found Sound 2 6 I Processing Subwoofer SCARTI gt SCART SCART SCART Headphone Sound Processing FEI Source Select SCART 2 Descriptions of the pins 2 3 SCL SDA control the IC working 27 28 33 34 36 37 47 48 50 51 53 54 56 57 67 69 Output to the right and left sound channel of sound power amplifier the right and left sound channel of earphone the right and left sound channel of
29. AV OUT sound the left and right sound channel from main board the left and right sound channel of AV IN sound channel the left and right tracks of the TV sub channel the left and right tracks of the TV main channel the SIF input of the TV main channel and sub channel The MP7720 is a sound high effect of the D class amplifier it output 10W in the without cooling fin 3 picture parts AV SV and SCART AV YC via switch change N708 after them sent to SVP EX62 decode then two way AV SV and PIP TV to TVP5147 decode but this unit only PIP TV decode TVP5147 chip is single chip video decoder it include internal Y C separate 2D five line filter MICROVISION IIC communicate and HS and VS output the supply power supply 1 8V and 3 3V voltage to it 3 1 The diagram of TVP5147 shown as follows 14 CVBS vitB v 9 0 CVBS 2 Clamping c 9 0 Y 2 le at iii td 2 11 Bit VI 3 A ADC CVBS 438 0 CVBS Y VI Timing Processor With Sync Detector Thereinto Pin16 is the PIP TV signal input Pin8 foot is AV or Y SV input Pin1 is C SV signal input Pin7 is SCART CVBS or Y signal input Pin80 is SCART C signal input 3 2 SVP EX62 diagram shown as follows OBS SECAM FYRE 20 Cort Decore Motion amp Wee Auto Coler SX34 RGE Binder 1290000490 Chroma Key
30. B Offset 35H 32H R Gain 32H 32H G Gain 4AH 39H B Gain 3FH 22H 4 Performance check 4 1 TV function Enter the search menu auto search connect RF TV terminal to the central signal source check if there is station skipping 4 2 AV S input terminal Input AV S signal check the picture and sound is normal 4 3 SCART terminal note check the SCART terminal set display mode to AUTO 4 3 1 Check SCART INPUT special function 4 3 1 1 SCART1 terminal function a After turn on the unit connect the SCART1 to PM54200 signal generator then the unit auto select to SCART1 mode b SCART signal generator sends CVBS signal to the unit check if the image and sound is normal It sends image format 16 9 and 4 3 to the unit check if the unit auto identify is normal Change SCART signal to RGB signal check if the image and sound is normal It sends image format 16 9 and 4 3 to the unit check the unit auto identify is normal Select the PIP mode connect earphone cable and check if the sound is normal 4 3 1 2 SCART2 terminal function a After turn on the unit connect the SCART2 to PM54200 signal generator then the unit auto select to SCART2 AV mode b SCART signal generator sends CVBS signal to the unit check if the image and sound is normal It sends image format 16 9 and 4 3 to the unit check if the unit auto identify is normal and display the SCART2 AV Change SCART signal to Y C signal select the SCART2 Y C channel mode
31. ELSSSS S99 gaz SERERE gere Bee LSE Luke Sepp xo e C 00 sx i0 Qu m sr ID D r 0 tO ID x 0 1 3 0 oxum onam tetet OR WO C 8288285588 BRXSERERSEGZ 922222199z2 972992 BARB BHLLSYSZ EEE EET 229999292998 2 777 777 7777 8888 S888 28077 csot lt 8205 818 csot hour csit bi 53 5 MA R17 33 lt ons MVREF DPIO RTA 17 aan 5V_SB 4 7K u2 DPI00 207 R232 vo e 3 ie U3 TESTMODE 0 101 775 VO 514 2 V0 80 ast_H LO V1 RESET 0 102 Vo GI V0 81 V5SF DPIO3 vo ete ne L ja DPIO4 vo elz gt vo 8l2 9 I SDA 02105 c3 UAT Ser He vo 618 oe 8207 N201 15 33 1253 vo eie 0 DPIO 777 F226 33 88 A DPIO RT3 3 c R208 2 SVP EX62 DPIO RT2 v75 4227 33 vo B 2 ADDR7 015 R234 vo B 3 51 40086 02109 vo Bl H V0 RO pa 40085 4 of 2 0 1010 Via 0 815 WERE py Mine DPIO11 4 6 gt 04 ADDR3 0 1012 V0 B 7 0812 81 4 ADDR2 DP1013 vo B B ADDR1 0 1014 R235 E m ADDRO 001015 NN 3 R209 10 DPIO RT1 1331 R210 2 33 07 29 979 vo R 2 Br 16 713 V0 R 3 Ai 405 0 1017 via VO R 4 04 0 1018 VO AIS 03 01019 0 61 B3 De 0 1020 VO RI7 AD DPIO21 vo R B 00 DPIO22 241 Ea ADF o
32. H 00H 00H Hue Max 32H 32H 32H 32H 32H TABLE 6 THE IMAGE ANALOG SETTING Vivid Standard Mild Custom Contrast 80 75 50 75 Brightness 60 50 50 50 Color 60 50 40 50 Hue 00 00 00 00 Sharpness 50 50 50 50 Note in factory menu states it can change the factory mode to value of the image and sound else select the image and sound balanced value in the other states TABLE 7 SOUND equilibrium value setting Live Pop Rock Custom 120Hz 50 50 65 50 500Hz 50 50 55 50 1 5KHz 50 60 55 50 5KHz 80 70 55 50 10KHz 85 70 55 50 4 8 Ex factory setting of user menu 4 8 1 select TV channel 4 8 2 video menu Mode Standard NR Medium APL ON 4 8 3 sound menu Volume 20 Balance 00 Equalizer Custom HP Volume 20 4 8 4 edit menu Color System Auto Sound System DK 4 8 5 option menu Default Zoom Auto Child Lock Off Menu Language English Country UK WSS OFF Blue Screen On Note the 4 8 4 and 4 8 5 items should set according to clients require Method of software upgrading 1 Enter the software upgrading state of the TV Method 1 press the VOL button in the unit turn on the main power switch then the screen display black screen but the indicator to blue Method 2 Enter factory menu select the IIC BUS OFF item 2 Connection upgrading tools with upgrading port 3 Dual click IAPWriter logo enter the upgrading states if the PC and th
33. H29 04 B 9225 6 01 81 1 88888544892822955 P 535558856666633 2 gt CE REMOTE ANTSTO 000 54 BXC so 801 33 51 G02 32 RXC 003 t AXO 4 54 ig 00 28 Batt 551 606 E BX1 58 007 7 AX4 23 Fre t Me RX2 0010 55 avas EZ 05 AVCC49 9013 97 L605 53 15 13 UMS STBL2012 151 57 AV0C53 0014 4 7 7 ij T 1 1 1 T AVCC57 8015 on oe Ba 3E loose 2 9 5V_SB MTESTESTS TST Ht 60 10 AGNDEO 0017 3 8 4 7 0018 8 ia 25 606 STBL2012 151 9019 5 4 7 e Tt S 9020 CH4 CHE Sar 4 5 5 55 slat 47 vec 5119011 B gt omlo 23 VN CHS 89 B TSS TS 26 5 I TET mH PEND a023 33 VR1 B 124 A654 DINIS 86 GEO 123 DINISI 82 DVCC GE1 732 DINT10 Sel c GE2 DST DS 65 121 DINT11T BUT OGND 47 TIN 2 3 35 DENDE GE4 115 65 115 DINT24 L603 STBL2012 151 ac 224 BEINET NN S M T MAE 33 656 DINIO 1604 ue 1 1151 110 DINIT STBL2012 151 Joiz NSS 1 SES 109 DINI2 ETES STETE C633 T 45 E10 158 DINI3I Bx VPP GE11 95 DINIZ 100n 38 8218 104 DINE og 103 DINIG EN TP601 R641 GE14 02 DINU Bx 33 0
34. RFACE BER 203 PS42W60 01DL 1 0 BTR 9 HDMI X601 45V PANEL 0601 L501 R630 BX DDC SDA 9630 st 2012 151 tq BX DDC SCL RX HOTPLUG IMBD1204 335 e LER S Lhe dg n sw C3 tele lots tele E Kg EST PS PS BS BS BSS OE EDI 7 GETTE TE TE TE TE TETE TE 1 SDA 3V SB 33 4 5 nn 9653 S SCL RX3V DDC SCL DE 2EX e 603 RX3V DDC SDA DVS_2EX 7 ext DHS 2EX 4 6 AD 35 ex LEM CLK 2EX EN 4 3 3 4 8 84 als al m RS e 105197 l E DEHBESSRESEBEBRES
35. SANYO FILE NO SERVICE MANUAL PDP 42XS1 PDP TV SPECIFICATIONS Power source 100 240V 60 50Hz Power consumption 400W Dimension 1 246 W x 731 H x 305 D mm Net Weight Approx 41 0kg Specifications subject to change without notice REFERENCE No SM0915001 CONTENTS Safety ae 65 18119 EE reati f 1 Alignment instructions 3 Method of software upgrading uoce ose rotto oro toa ves bnx CE rub 9 Working principle analysis of the cece cece cece eee eee 12 Diagnose and service 16 19 ASSEN ete PH 20 Trouble shooting guide Dm 21 Schematic diagram ve 30 Note This maintenance manual is intended only for the reference of the maintenance people Please pay attention to the following points before carrying out the maintenance work Safety Precautions Please read the Points for attention for the Maintenance amp Repair of PDP and Criterion for Identifying the Defects on Screen as below before inspecting and adjusting the TV set 1 Points for attention for the Maintenance amp Repair of PDP To avoid possible danger damage or jeopardy to health and to prevent PDP screen from new damage the maintenance people must read the following carefully If they ignore the following warnings there will be deathful risks 1 1 Scree
36. bag and before operation make sure to have it sufficiently grounded 1 11 There are a big number of connection wires distributed around the screen Please take care not to touch or scuff them during maintenance or removing the screen because once they are damaged the screen will fail to work and it s not possible to repair it 1 12 Connector for the circuit board of the screen part is relatively fine and delicate Please take care in the replacement operation lest it should get damaged 1 13 Special care must be taken during transportation and handling because strenuous vibration could lead to screen glass breakage or damage on the driving circuitry Be sure to use a strong outer case to pack it up before transportation or handling 1 14 Please put it for storage in an environment in which the conditions are under control so as to prevent the temperature and humidity from exceeding the scope stipulated in the specification For prolonged storage please cover it with anti moisture bag and have them piled and stored in one place The environmental conditions are tabulated as below Temperature Scope for operation 0 50centigrade Scope for storage 15 60centigrade Humidity Scope for operation 20 80 Scope for storage 20 80 1 15 If a fixed picture is displayed 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 i
37. cause of the software it may be no stabilization the software can auto download and write 10 NOTE Do not shut the power off or turn the TV set on during the FLASH write Otherwise it may lead to no way for flash to rewrite 11 1 i i 1 i 1 i 3 i i T 1 i DAMAS sj CIA I I 1 i i i i i 1 1 i H i AV TEE i e ponuc PIE 1 i i 1 i AL did H i WA LIHVIG 7145 1 1 1 1 94 ONLY 1 HORST i i nnduy LEWV 2S E ES 195 Sen i soga SHAD i 5 i i 1 som L 1 i TINY d Japan i 1 ddd HIY Bod LUYIS i 3 DHAS 1 etia Tm 1 AA i E THINAL AY S gt 1 amp 808 LIVE i 1 5 i i SHAD LLHVOS i 1 i AANI i i OPAL E i aquvogs TYLA 7 1 1 1 EE TE EE TS EE TS EE TE EE TS ru 1 1 1 TE 1 T y JO 15 ejdiouuud Including CPU
38. ch enable Off ShowLogo On Auto Channel Lable On West Europe East Europe Cyrillic LEGER Turkish Greek Arabic Hebrew Dynamic Scart Off Note the latter 6 items should set according to clients require TABLE 4 Factory Audio Setting ITEMS EX FACTORY SETTING Volume 1 45H Volume 25 62H Volume 50 67H Volume 75 6EH Volume 100 76H HP VOLUMESETTING ITEMS EX FACTORY SETTING Volume 1 64H Volume 25 96H Volume 50 A1H Volume 75 AEH Volume 100 BEH MSP Scart1 Volume 72H ITEMS EX FACTORY SETTING Prescale Scart 4CH Prescale FM AM 30H Prescale Nicam 64H Scart TV Volume 20H Scart AV Volume 72H D K select HDEV3 Off AVC Off Equalizer Bands Max 60H Spatial Mode 0 Spatial Strength 00H TABLE 5 Factory Video limit Setting ITEMS CVBS SC RGB YPBPR D SUB HDMI Bright Min D5H DFH C6H D5H D8H Bright Middle 00H 02H 01H 07H 09H Bright Max 15H 20H 18H 2BH 18H Contrast Min 09H OCH 16H 10H OCH Contrast 20H 20H 26H 32H Middle Contrast Max 2AH 2DH 3EH 3FH 29H a 00H 00H 00H 00H 00H Sharpness 10H 10H 10H 10H 10H Middle Sharpness 1FH 1FH 1FH 1FH Color Min 00H 00H 00H 00H 00H Color Middle 3FH 3FH 3FH 3FH 32H Color Max 50H 7FH 7FH 7FH 63H Hue Min CEH CEH CEH CEH CEH Hue Middle 00H 00H 00
39. check if the image and sound is normal It sends image format 16 9 and 4 3 to the unit check if the unit auto identify is normal Select the PIP mode connect earphone cable and check if the sound is 4 3 2 Check SCART OUTPUT special function 4 3 2 1 SCART1 terminal function Input signal in the TV states connect the SCART1 terminal to the TV Change the TV program check if output signal of SCART 1 is TV signal and the image and sound is normal change the unit channel the CART1 output TV signal it can not other signal 4 3 2 2 SCART2 terminal function Input signal in the TV AV S states connect the SCART2 terminal to the TV Change the unit channel check if output signal of SCART2 is current signal and the image and sound is normal 4 4 YPbPr terminal Input the YUV signal VG 848 signal generator separate input YUV format signal of table 1 check if the image and sound is normal If the image is deflection of the H field select auto sync correction of the SCREEN menu If the image is slight disturb adjust the FINE TUNE correction of the SCREEN menu Open the PIP mode connect the earphone and check if the image and sound is normal Table 1 YUV format signal Mode TIMING parameter VG848 NO 4801 712 484 60HZ 968 480P 720X484 060HZ 978 5761 702X574 050HZ 969 576P 756X557 050HZ 979 720P 950HZ 1280X720 50HZ SSET 720P 60HZ 1280X720 60HZ 976 1080 950 2 1920X1280 50HZ 1SET 1080I 60HZ 1920X1280
40. d X301 set SW501 of the power supply board Check N201 Turn to check 4 and periphery of program as AUTO use to itself source circuit signal and check if turn the unit is normal Abnormal Abnormal The screen damaged Check the input signal of N301 and N302 and power supply Abnormal Check N201 and the circuit of output N301 and N302 damaged 22 3 With picture but no sound Check if the video processing board X110 is output Check if the second pin of sound The sound damaged power amplifier input the signal Measure if the sound The sound power amplifier or peripheral circuit has problem Check power supply input of current channel if the control of ENABLE pin is normal if of N101 is normal output short circuited or other problems that causes protection to work Check MSP3440 or peripheral circuits Check different levels of circuit following input audio signal channel 4 Acertain channel is abnormal 4 1 No picture on AV Check if the C228 has the signal input Yes Check periphery circuit of N201 Check if the pin 2 of tal and 1 N708 has input signal crystal and power supply Check the terminal socket to N708 channel Check the periphery circuit of N708 and power supply 23 4 2 no picture
41. d power supply 25 4 5 No picture of SCART1 Check if the C223 C224 C225 and C226 have the signal input Yes No Check if between the Between the SCARTI pinl6 of SCART1 socket socket and N201 channel and 501 is normal has problem Switch RGB and VIDEO input Check the connector SCARTI check if the PIN87 channel of N501 is normal Check the peripheral Check the peripheral circuit of N201 crystal circuit of N501 and and power supply power supply 4 6 no picture of HDMI Check if the H V syncs signal and clock signal of N607 output is normal Check the peripheral circuit of Check the peripheral circuit of N201 crystal and power supply N201 crystal and power supply check if HDMI socket connector is normal 26 4 7 No picture of YPBPR or YCBCR Check if the C220 C221 and C222 have the signal input Check if the pin4 pin7 Check the peripheral and pin9 of N706 have circuit of N201 crystal signal input and power supply Check if the pin2 pin5 and Check between N706 pinll of N706 have signal and N201 channel input Between the YPBPR Check the peripheral socket and N706 channel circuit of N706 has problem power supply 4 8 No of picture of D SUB channel Check if the YPBPR signal display is normal YES NO Check if the T4 and U1 of N201 have sync Check the program signal input YES NO Check N201 Check if the PIN1 and PIN5 of N201 have sync signal input
42. e communication trouble it can prompt TERT kitob y 12 TU 42 10 zl al 4 Select the file menu load the software follow as Kl erre Tronen arid Sete ice pl de red alui xj Pie Geter EAS lel xj FF 08 07 G 47 29 29 17 en sbHin HF IF DE SE 49 EC UC aH S DE DU 09 6C DC PU 00 DO 42 WI Bus DC 5H UC OG dB 74 4 _ 7 5 B4 DD Eh DD OG A 01 09 15 08 DD 16 ID 00 52 DB F EE B 16 OG OG EG OG EG 04 OG 00 DC FT PANANDA nm r5 OG F7 DH 76 FF DH gnnsouan 00 DD 12 15 18 10 JE SE pamrnoa ar np sr cr nc zc B 20 DD OG AG r 32 ON 72 57 00 panasnuds OG 97 AF 32 34 Hh 73 BD 2 BC OG SH GE BC Gb Ca 67 HC TH DC
43. e logic board is normal If it s normal then replace the logic BUFFER If the problem still remains after the replacement then replace the logic board Finally if the problem is still there then the problem lies with COF 6 There appear on the screen abnormal bright spots or blocks that are different from what s described above a Check if the connection socket between COF and logic BUFFER board has been well plugged b Replace the logic BUFFER board If it s not solved then replace logic board If the problem still remains then it s the problem with COF 18 61 rivos mvs 8 69 9A 754 199 601 ii YANAL YANAL 9 4 lt 754 99 qns OLX TOEX NId6 I06X NIdL Z706X 2100 09212 LACtddd Assembly list Name NO Main IC and NO 201 SVP EX62 353 DPTV0 60 N302 N302 DS90C385MTD 353 03850 20 N401 K4D2632838F 353 26323 10 Main board 667 PS42W6 69 501 M30620SPGP 353 30620 20 N502 W29C040P 353 29040 30 N607 SII9011CLU 353 90110 10 N801 TVP5147PFP 353 51470 10 Video processing board 667 PS42W6 40 N102 103 5772005 353 77200 10 01 MSP3410G 353 34100 80 N104 NJW1109M 353 11090 20 Remote c
44. ing assembling or dismantling especially to avoid dirt from falling in between the screen and the glass lest it should harm the receiving and viewing effect 1 21 There is piece of insulator stuck on the rear chassis corresponding to the power supply board It is used to isolate the cool part from the hot part Please take care to keep it intact lest it should become 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 carefully Alignment instructions 1 Alignment equipment PM5518 video signal generator 54200 SCART video signal generator VG 849 VGA signal generator CA100 white balancer VG 849 HDMI signal generator 2 Alignment flow chart The alignment flow chart is shown as fig 1 Check DDC N604 N702 and FLASH N502 To produce digital board and HF board Check the digital board and HF board All testing Connect with central signal source then check each function of TV such as analog control etc check the output of headphone and speaker Input AV S HDMI and HD signal then check each function of all the terminals Input VGA signal one format check if the display is normal under PC condition check each function such as analog control etc check horizontal vertical center etc Preset ex factory Check the accessories and pack them in box Fig 1 adjustment flow chart
45. ns vary from one model to another and therefore not interchangeable Be sure to use the same type of screen in the replacement 1 2 The operation voltage is approximately 350V for PDP module including screen driving circuit logic circuit and power module If you want to conduct maintenance work on PDP module when the set is in normal operation or just after the power is off you must take proper measures to avoid electric shock and never have direct contact or touch with the circuitry of the working module or metal parts That s because within a short time relatively high voltage still remains on the capacitor of the driving part even after the power is off Make sure to begin relevant maintenance operation at least one minute after the power is off 1 3 Don t apply on the module any power supply that is higher than the specification If the power supply used deviates from the value given in the specification there might be possibility of leading to fire or damage to the module 1 4 Never have operation or mounting work under unsuitable environment such as areas in the vicinity of water bathroom laundry water chute of kitchen sources of fire 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 O
46. 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 caused by the damage of the connection wire that directly corresponds to the position of the screen The horizontal bar like abnormality is also related to the Y driving circuit that corresponds directly to its position To judge these phenomena It s possible to check it by setting the screen to the status of self check as explained above 4 10 3 No brightness in the square block area Normally it s caused by the damage of the address BUFFER module that directly corresponds to its position or may be caused by the damage of the connection wire that directly corresponds to the position of the screen To judge these phenomena It s possible to check it by setting the screen to the state of self check as explained above 29 42 51 XIIL27W1802F HEG 667 542 669 HEP 603 PS42W6S 00 Ver 1 0
47. ontrol 301 IL27W18 02 X Button board 667 PS42W6 05 20 Trouble shooting guide 1 No raster no picture no sound No raster no picture no sound Check if the power supply indicator light is on After turn on the unit check Red indicator is on Red indicator is off if the blue is normal Check 5V STBY Abnormal Normal Cut off the connection between power supply board Check if the blue and red Check the union and digital signal processing board and test 5V STBY indicator is normal joint of the power supply board to LVDS line There are on There are off Abnormal Normal Check power Check the digital signal Check if the pin2 of X902 is high level N502 is Abnormal supply board processing and analog signal processing board N502 is Abnormal Check if the pin6 of X902 is 5V Abnormal Check if 01 Check the power and 5V PANEL is short circuit supply board NOTICE The PDP power supply have the protection function of overcurrent overvoltage and so on if certain route power supply appear overcurrent and overvoltage the power supply should appear the protection to arise no output 21 2 With sound but no picture With sound but no picture Display logo Yes No Check if all other channel has no picture Check if the 301 have the signal wave Unfix X901 X902 an
48. s 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 However please try as much as possible to avoid showing a still picture of high brightness for a long time during operation 1 16 As a digitalized display devise this module is provided with error diffusion technology and the gray scale and false enhancement of contour can be displayed by reusing of sub field compared with cathode ray tube it can be found in the moving picture that at the brim of the face of a person there are some wrong colors 1 17 During the display of graph indicating the gradual change in brightness horizontally or vertically resulting from gray scale test it can be found that the brightness for the two adjacent levels is uneven This is caused by the reuse of sub field the display of load rectification and the electrolysis 1 18 The screen front plate is of glass Please make sure that the screen has been put in place during erection If it is not in place before the erection begins it may lead to screen crack or breakage 1 19 Make sure the screw used in the mounting of the screen is of the original specs lest it should cause damage to the screen due to mismatch Special care should be taken not to use too long or too big screw 1 20 Care must be taken to guard against dust dur
49. s plugged well If not plug it well If yes then replace Y BUFFER upper lower in respect to the upper lower part of the dark line on the screen 2 3 There appear on the screen one or several horizontal lines that are much brighter than the remaining horizontal lines at the edge Check if the socket between Y driving board and Y BUFFER is plugged well If not plug it well If yes then replace Y BUFFER upper lower in respect to the upper lower part of the dark line on the screen 4 There appear on the screen one vertical unlit line or a vertical entirely unlit block a If it s one vertical unlit line then COF has problem b If it s a vertical entirely unlit block then first check if the connection socket between COF and logic BUFFER has problem If not check if the connection sockets between the logic BUFFER and the logic board is normal yes replace the logic BUFFER Finally if the 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 anal Il a If it s a vertical bright line of other colors then the problem lies with COF or the screen b If it s an entire vertical block of other colors then first check to see if the connection socket between 17 and logic BUFFER has problem If no problem check if the connection sockets between the logic BUFFER and th
50. therwise it might be possible to contact the high voltage or cause shock short circuit so that it may lead to fire or electric shock 1 6 If there is smoke abnormal smell or sound from the module please cut the power off immediately Likewise in case the screen doesn t work when the power is on or during the operation please also cut off the power at once No more operation in this case 1 7 Do not remove or plug its connection wire when the module is in operation or right after the power is off That s because there remains a relatively high voltage on the capacitor of the driving circuit If there is a need to remove or plug in the connection wire please wait at least one minute after the power is off 1 8 Considering the module has a glass faceplate please avoid extrusion by external force lest it should cause glass breakage that may get people injured Two people are needed in cooperation to move this module lest contingency takes place 1 9 The complete TV set is designed on the basis of full consideration of thermal dissipation by convection with the round hole on the top for heat emission To avoid overheat please do not have any covering on the hole during normal operation and never put it in the place where the space is narrow and in bad ventilation 1 10 There is quite a number of circuits in PDP that are integrated ones Please be on guard against static electricity During maintenance operation be sure to cover yourself with anti static
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