lcd-47xr2_sm8.67 MB
Contents
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3. AVe AVI YPbPr_SOUND 1 2 YPbPr2 YPbPr 1 88 Ar xa e qe m 58 5 03 85 5 2 831 HJR 613 PB 1 AV3 14WKD Imlal 85 2 X608 X601 kis C614 R612 C517 C620 R615 in in 2 n El 1 505 25 25 8604 1 4 1 1D C Pn 4 m 02 zb s PESDSVOLAUG s wluw o o wl 8611 8614 100K 100K Tu ka 100K 9613 100K 4 100 eile eco De Y Y av Y Y 1 Y ae 5 600 604 O E 838 2 8 838 ai 8 5 sal akala 518 n ic ul 1 815 3 ae 318 ESI H rA H Fr ka 9602 49 4 55 77 2 p i x600 w ET T 2 1647 5V V TUC10 124 est ACDNO45YBG Bec 9 avi s TT 5 5 ps 7 9 2 8 s 8 8 E 5 i 5 9 z 8 i i i a i 2 al a a 3 3 B a
4. DECODE 2 NE a SIF DEMOD 5 E 3 GND DOODO 1D D G8 BE 22 0 0022 u T f 4 5M BPF H MUTE 0 tu 2 ATu 41u k Base Band Mode Application N for SAP detection sensitivity control 5 1k 5 16 3 594 21 x DATA CLOCK for STEREO detection sensitivity change from Tuner MPX IN ex51K 10u SLAVE ADDRESS 80h 1000 000 Y tal 2 2k E Pin description Pin Name Description Pin Name Description 5 PISIF IF input of Sound 25 R OUT Right channel of audio output 11 SDA I2C bus 26 LOUT Left channel of audio output 12 SCL 12 clock 31 VCC 9V supply power 20 8 25159005 Internal Block Diagram BLOCKDIAGRAM AND PIN CONFIGURATION TOP VIEW REFIN INLI INL2 INL3 RECLI INL4 RECL2 INLS TREL BASSLI BASSL2 PSEUDO LOUT Input selector 3 nD Input selector Rch Volume 0 844 Bass Treble and Surround Mode selector 21 I2C BUS VCC INR1 INR2 INR3 RECRI INR4 RECR2 INR5 TRER BASSRI BASSR2 ROUT SCL SDA Rext Cext PIN description 2 27 right left channel of audio 3 26 HDMI right left channel of audio 4 25 VGA right left channel of audio 5
5. e 5005 5 1007 gt Tue Te AP Hit 5S nr 9762 569 gt AGE Ace TA 4750 amp TTSN S Te f 4l 1 1 879 SICB Agr 669 o 22 0007 SIGS D 59 0760 Boo 1954 Lp 1007 Be m TN 8 ale Q pS 2 SES din gt H T 8 S XOF 99 6 9999 9 GGH x ata aah Si gosa T y X876 us 29GH 2 6SSH 08cH AST 0007 9954 837 A0 Al DE 616 4 1790 m 2 pu d Er ASE nooeg We ox g ef 4 8559 SGH Tp ac 5 usd 266 MN D ake mS Le EXT on oye E n sg L 99 ES IL a L e BOT ac BST a o lt 0007 os oT LS ELLES ozz go Op Su Y o t 4 1 Xi 2 des 1 VIENI B S P FA pl GOGN l 54 SOSN vOSN lt lt e as iD iD e Y Y Y Y Y Y Y Y Y Ah e lt GECH 61 lt Ace gt go 100731 TESI E 1010 TAR 25 SE gt 8 ANT UT 9 tf
6. A17 DS HE 31 32 alta 16 33 012 xe 43 3V AB10 Pontas Ma AZ 32 MB 092 Ng 010 R27 33 34 110 Al181 17 32 019 BCB47AW lt T A5 vio 33 34 099 10K v4 pet E 35 36 als 18 31 pli IC RESET Li 35 36 A7 pat LED GREEN 1 ox 5 Wii 01 37 38 17 19 30 D 8 BLUE PORTB2 RESERVD FOR LVDSON IN PREVIOUS 1188 11 37 38 A6 098 PORTB2 0101 48 PORTB3 A 6 20 2 010 O Potea PW2 18 10 ot Dos at 42 120 151 21 28 10 80 80 PORTBS D2 ci7 m 35 m ot Misc 2 016 43 44 alts ala 22 27 CON ps 015 43 44 vss TO PAD C14 2 45 46 171 13 23 25 ONLY AVAIABLE WHEN POWER UP AAG DB eis T KEY1 AD IN ABGU a7 45 46 cet B7 nci 0181 47 48 als ala 24 25 te 2 A16 is 47 4B AL A0 KEY2_AD_IN es pg Erir 49 50 A 3 X603 D40 5 49 50 By alal KEY4 AD IN wat Dil 0 vot 012 7814 D gt KEY2 AD IN 100 013 Agog 101 014 Mrs D JUMP2 3 TAST pe CON 02 2 54 Ata 13 3V RD 9 1 2 Pag 1 2 Hag JTAGSEL ROMOE P75 ROMOEN 0 1821 TESTMODE P c13 ROMWEn ABB ADR24B cso X504 EXTRSTEN CS1
7. 6050 a su su 4 8052 XE 5 906 J 29 TTTT 1999 k 30000099090 We Nr YZP d0007 pasti Gost 9059 708X lt TUC3 10A OI O w y lt _ 24 MT 24 OG 24 Cle PART LIST OF EXPLODED VIEW LCD 47XR2 NO DESCRIPTION 6 Right speaker Remote Control 28 12 Ri PARTS LIST LCD 47XR2 94 1 0 REF No PARTS No DESCRIPTION QTY REMARK 1 X16151071540 Stand 1 2 XI5HW27RH02A Back Cabinet 1 3 617057701 5 peaker Left 1 V470H1 L03 4 Screen 1 5 X16LT0020910 Infrared Receiving Board 1 6 XI6FE 0060510 1 7 15293000042 Power Switch 1 8 X15Q327R 003C Front Cover 1 9 XI6LT0412010 Power Board 1 10 XI6LT0075310 Analog Board 1 11 XI6LT00901C0 Main Board 1 12 617 57701 S peaker R ight 1 13 X15944016490 User Manual 1 14 X16010100908 Remote Control 1 Only the parts in above list are used for repairing Other parts exceptthe above parts can t be supplied Aug 07 Electric Ltd 2007 30 5
8. ANLGTST NMI OA 1 stannay eu aq 5V STBY 3 3V NMI R713 a Lu 4K 3 O O a cu bea 8 LES 5V_STBY wy ge TUE 5V STBY aS R4 E a E 5 H2V OR 18V FOR CMO PANEL Sz y z X 1 bd 8 Fe 2 5 R22 lt D Sa Ba 4 7K on 1K TJC3 07A Ty 1 CD 43 3V Att 58 s 1 gt s penses 9 4 12K IR wo mn SV STBY A 5 x QOO e mn n n n n gs g 1 ee a ES vea v1 gt ds PD3 1 t2 gt LED_GAEEN 2 1K PD4 PCO RS c gt LED RED 5V STBY 3 E 1K R45 8 GND3 ADC7 KEY1 AD IN 5 4 4 tie GND24 5 5 wo E EE I 905 AREF TE cgpa 7 VECE lt ADCS 4 51 5181 1 ats a PBS zh gas 1 95 2 PB7 PB5 98 3 8 103 U m x m m aa ol o slalom n Rat ALL PIN SHOULD BE SET PULL UP SSS SI SI SI VGA H4 ik CPU amp IO nO ea esl 100 R10 HOMI_CEC L 01 PW218 10 Display Pont
9. END 6 T o gt 1500 5 0203 5 REX standby 18 to 9 0 10 732 L702 SRS_LIN 330M3R2 SRS_RIN AV1 S 5 B 5 4 E ROUTN 6 R716 ROUTP LOUTP 100 m rh m A747 zB S v703 ER S LOUTN BC847 9 Sx _ 704 2 SAS MOND SRS STERED 4 TT 5V V D701 t LL4148 gt D702 FAULT gt 718 LL4148 Lx LL4448 V701 BCB57B D703 STANDBY 726 V706 BCB47 amplifier gus gin 4 5V standby olov on NOTICE TANDBY FK JjiSTANDBYJT 3 LE ae BIRREA Analog board 1000066 B 2K gt lt OOOO OOO N1 HRM3806B IR receiver board e
10. HDMI problem Check main board Check the connection cable and sienal source is normal Normal YPBPR channel Check if the X600 socket is Check if the supply power normal 5v 9v and 12v is normal AV TV S channel No Check the YPBPR input Check if the X600 socket 15 Check the supply circuit normal power No Yes Check the main board AV TV channel S terminal channel Check the all levels circuit of S terminal Check if the input pin of N400 has signal channel Check the M52797 and peripheral circuit 32 125 50 2ALC24A SN MCLK HDMI POWER gt 6BE10 71 S 3 5 5 wl wl wl uw uw al sss s mi elel s ele ej 6 j e Y gt GGE 0 7 s 3 3 3
11. 3565 TECE 32 31 ma Pr 4 an Y20 Wig Tier 32 7 diu 42 2 vssa12 w19 TXE2 34 5 33 25 55052 x 35 Ls Le Le Ls id 25 VSS05B 2i 35 Ta Ta ren en Les LE LS Less Bat VS5064 BTE TE 38 37 38 37 4 4 4 4 4 4 4 40 39 40 IM d VCC LCD NS S19933ADY VLCD x a FOR SAMSUNG PANEL 15V D28 D27 016 015 FOR CMO IF NECESSARY BK ON 5 E Ka ER X704 TJC10 104A 1 O gc 58 il 88n ALL PALEL EXCEPT CMO TO CMO 37 42 INVERTER DISPLAY OUTPUT
12. 4 T is 8029 a 8 8 avara 2 02086 8887 gt z 6TONS 7 gt VBA LYON9 9007 Warn 970 4 n GF 8 5 8 4 n LIOYEEA Z 5 a a SOQVEEA arang fe ago SOGVEEA T10NS lt e m vOUVEEA OTONI rile 7 EJOYEEA 8 W ZIQYEEA BONO di TOQVEEA LON9 H 78 569 SVEEA ni anoo 7049 i e Tak 8 EVEEN me a z 182 5 5 at TVEEA angga 5 5 5 s ii 1899 000 la EEQUA kd 1887 EEQUA CM 0 Egg E 0 8 8 4 sH 049 299 7 2693 0607 0007 0 090 gean ang E199 ang i 200 188 088 EEVVA ON9 s HRY ang 0 0 abe 0699 0889 2 4 1 1 1 ge o ON9 6299 6799 m UNS ug 1007 0007 secon ON9 L 1 tf T4 gm gm Gegar ang n 0 econ ang s ES I i sam 06 N 666 a 3L Ex Sa o aNd 9299 9792 segan S ang 100 1007 dy ang 1 1 SOU ges gs ON9 H 0 ang E A 8 v bb Goss va 1897 tbe segan nozy anoge A Seog ONO 5 amp yp 999 m 2 AOL 8700A ang apa 8700A
13. E L 100v 3n S 9680 iD pl oe ip iD os vet got in o gt Bo NT Ove Move j Au VESH F Iw lt SE eb gece 089 Ye m 40157244 sid e 5 9 6 8 CD gt an9 3NI1 07 L 072 9 1 NASI EOSA m TT 5 AB1S id 1 7 er 3 0869 ON UTU 38 e ET 800 exit 110 39 7201 281 4 vi E do na L DAH Aw 130 6160 4 T ep 3007 8759 6050 81 SH 0 153 1006 559 1 97 T Ws 4 Pi 9005 1160 52 A JE TE EOGN 8760 E i 4 M 1505 e pi D502 AOS per 7762 I m OOO ein gt gt gt gt d pl 5 5 U 4 lt lt lt au LY n 0 gt Bn E 5 x iens 9 5 9 60 0 ess daos E G G d 2 D 5 0 0750 38 8 5 5 ID o m 666699999 lt m Ur xis S
14. Enter the ADC auto correction Color temperature to warm Enter the color temperature setup menu Input the 8 level gray signal 720b 60Hz TIMING 976 PATTERN 920 Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the fourth level color coordinate 284 299 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 284 299 Repeat the g and h step until the fourth and the seventh level color coordinate 284 299 Color temperature to cool Enter the color temperature setup menu Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the fourth level color coordinate 270 283 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 270 283 Repeat the and m step until the fourth and the seventh level color coordinate 270 283 Holding the pattern signal change the timing signal repeat the G to the M step for 480i 480p and 1080i signal 3 5 4 the VIDEO channel gt e o o o Input the eight level gray signal of PAL Brightness to 50 contrast to 50 Enter the factory menu Color temperature to warm Enter the color temperature setup menu Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the fourth level color coordinate 284 299 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 284 299 Repeat the f and g step until the fourth and the seventh level color coordinate 284 299 Color tempe
15. 1299 1799 SIQUA RI ind b o e 44 8700A ang sim ang 299 E 8100A ang ES 8 FI 8100A ang 38 8700A 5090 t 2 T 8700A S 092 2 8700A z Andy a E gs 4 HE 8 gi 8 2 E amp z i 5 5 4 5 Bue EE amp a z 5 m 11 8 4 2 l uoot gt gt 5 e 5 2999 u ru m T AOT T a m d 1 28 S i ES STANDBY POWER amp GND JUMP 1 Q CON 02 2 54 07 AT24LC32A SN 1 2 1 2 1 i 501 2 790p M EEPROM W 3 1 SCL_2 lo HEX ROMOEn
16. 3 3 5 5 5 E 8 8 5 p 3 5 0 9 400 M52797FP TT 2 x502 vec Lch T IN sv HD2 LIN T 3 Len2IN TUNER IN 0408 3 wi 3 VIDED2IN Rch T IN le HD2 RIN au 409 4 563 I Ach2IN Lch10UT AVI LIN tu 116440 5 E 1 I Lch3IN TJC10 08A X603 AVI VIN 470n 6 2 EST SETS VIDEO3IN Reh40UT ay SDA fr 3 AVI RIN 4u case 7 sal 5 I Rch3IN BIAS R400 AV2 LIN 8 tu 4 100 ju 5413 Lch4IN V20UT 4 StL 7 AV2 VIN 9 ee azon 0414 VIDEGAIN gt SAS STEREO 100 AV2 RIN cai 10 C421 5 pags zr AchaIN 05 gt 48 6 100 11 sc 6 100 12 syn signal detect 100 SDA GND avi s 7 8 BV AAA 5 ang sir tt X604 100 12 9 VIDEO 16 13 22u s8 1 2 voca Usa 3 14 AVDIO OUT 5 T S Berk 9 N300 5 LA72700V 50V DJ C334 du 1 28 V Nini 22 REFIN vec zs 1 cod PC DC IN PCPLC2 PE aa ra ray iz sal ET PEU 2272 I 51 53 PC_DCOUT a 5528 87 PEREG m j He INL2 INR2 tu x PCSTFILT C334 4 25 C340 PCDJFIL jju iN i pu gt STANDBY PCPLDET 5 24 C341 PICLKFSC C33 tu gt we PISIF POLED o 6 8315 0 SAS AIN 8314 RECL2 RECR2 i gt END vec C328 18 217 22 03428 an SAS LIN 1
17. 100 GND sp_2 1 E ROMHEN O zh 8671 4 3 OT Rol a 3 O 5 SYT O x701 cis FU205C MX SLVB00 es 1 2 1 M 48 1 5 M6 L 5V_STBY 3 4 ala5 47 9 3 3V 3 4 BYTE 5 6 1141 3 46 tv 5 vss 0101 7 8 018 A 431 4 y doa a 01151 605 7 M2 D815 A 1 MAX3232CSE RS D 9 10 019 121 5 44 0171 9803 1 46 88 8 10 11 097 0 2 12 0140 A 441 6 43 01441 I cit vec n 12 0044 0131 13 14 0111 1101 7 42 0161 11 END lt 3 m 27 TIN 13 14 A8 096 FA 38 58 RESETE 15 16 0141 A 9 B 41 0113 100n 4 13 5 5 Wet As Xo 15 16 AB 0613 10 0142 17 18 015 20 9 40 015 cat z C871 5 ja ag El 17 18 NC 095 ce 8572 x Du nf D 13 19 20 016 10 39 0142 6 673 100 ae wis A i iie Hv N TXO TXO TXD nam Mi D 44 a ME 017 Ho mE 0141 ax 3 1005 7 xam 10 R931 100 Ta 1 S 01151 23 24 12 37 naci gt IR AB13 cg 23 24 RESET vec SYNC RAS IPREVRO 0 Cio 25 26 13 36 01111 R2IN DB 119 25 25 An 0041 D7 spat PORTAO A13 27 28 1161 14 35 850 1 27 28 NC 093 5 as se 29 30 1441 15 34 0110 SDA 2 g PORTA2 15 ONLY FOR EEPROM SCL_2 AA PORTAS aig ett 29 30 Rv Bvt 0040 MUTE ABiB
18. 2 5 5 viot 6110 71 STPB2012 201PT BSS138LT1 a I 8 S nc tuo MMBD1204 DOC DATA 8 SET ET SR 107 0101 HDMI POWER D 2 8 C54334 KS v102 z V Y sia ea LE 125 50 gt spata AOUTL 2 7 DDC CLK x 128 9 gt VA S ovec 3 B 49 125 18 gt ck AGND 4 m gt H exin a a a a eu a m o m iD x x e Z N m x m 8 K S m x 9 8 BRL R 38 Bb R S z S 8 g 8 8 8 8 5 3 2 8 2 a 8 RIDE 5 5 ovec mig 71254 000100 Bxct 47 26 100 GRELO AXO 1250 RO 0 R115 27 99 GREL 11 HE 5 RXo S PDIF gt HDMI L RXi 98 GREL2 ag 5 PVD1 8 DGND 1 We 29 97 GRE 3 Rxe DVDD R3 30 96 GRE 4 AX2 CGND31 R4 C126 51 31 95 22 GRE 5 10UF N4 ij E CM4213 0BMS ce gies gt GRE 6 15V gx TVDD33 R6 2 3 93 7 RO gt Ro R7 Gi 34 AE EME POWER RXO Pa Axot IP TGND36 0 0080 po 90 A107 RX1 Oo Rx1 DCLK G CLK 37 89 RE 8080 DE gt G_DE em 38 N104 BB 85 TGND39 HOUT gt 39 87 pe COl pxe SOGOUT gt G_AHS 40 86 gt VSOUT A0 gt 6 vs 41 85 TGND42 FIELD L gt G FI
19. RX1M DGRE3 66E10 71 INORE4 IN1VBI GPIO9 Ge RXOP DGRE4 INORE5 IN1AHS 621010 PXOM DGRES INOREB 86 IN4HS 546 621011 ri DGREG INORE7 mavs 545 621012 g1 AXCP DGRE7 4 a INOREB Sh 621013 Et PXCH R33 55300 gt 910 71 INORES 621014 FA RTERM DGGEO 513 Yi NC 621015 DGGE1 7413 GGE tai j NC wa NC 0682 C14 1 6BE10 71 NC wi R230 INOGE2 ape INIR3 100 03 V1BP4 C276 066 4 INOGE3 IN4R4 Fe SDA 1 E INOGE5 aag INIRG 01 R231 B5 04 DGGE7 ki INOGEB ABA INIR7 HDCPSCL MEL R220 0277 BiS R35 GBE O gt 9 10 71 INOGE7 INIRE HDCPSDA ER me DGBEO aye INGEES 13 wing PW218 10 88 FILT DGBE1 INOGES Ic RESET gt 5 peace 218 01 G CST 2 COAST pae NC Video Port 6 CMP CLAMP DGBE4 ns NC DGBE5 p14 218 10 Ta 1463 VGA A1 DGBE6 E14 INOBE3 q4 64 PW2300 10 VGA G1 DGBE7 INOBE4 va 10165 3 5051 oss Graphics Port INt65 9201 x 614 INOBES Ve 14167 jl Du Tl DGROO Hig INOBE7 Ui IN168 VGA H1 T3 HS4 06901 uis INOBEB IN169 11 c 35 VGA_V4 vst 06902 uia INOBE9 506 1 da DGRO3 65 va RED DGRO4 515 m N2 J15 NC NC I 6 1 GAN 06805 VE Nie amp c202 56 5052 0956 ie Yi D K1
20. the front of the TV set See if it s receiving the signal that is transmitted from other source than the station e Check if it s connected to the wrong terminal or if the input mode is correct e Check if the signal cable connection between video frequency source and the liquid crystal TV set is correct Deterioration of color phase or color Check if all the picture setups have been corrected tone Screen position or size is not proper Check is the screen position and size is correctly set up Picture is twisted and deformed Check to see if the picture frame ratio is properly set up Picture color changed or colorless Check the Component or RGB settings of the liquid crystal TV set and make proper adjustment according to the 25 signal types Picture too bright and there is e Check if the contrast setting is too high distortion in the brightest area Possibly the output quality of DVD broadcaster is set too high It maybe also due to improper terminal connection of the video frequency signal in a certain position of the system Picture is whitish or too bright in the Check if the setting for the brightness is too high darkest area of the picture Possibly the brightness grade of DVD player broadcaster is set too high No picture or signal produced from e Check if the cable is disconnected the displayer if XXX in search e Check if its
21. treble and bass which is finished by R2S15900 N301 the earphone socket has the switching function when earphone is plugged sound will be sent to earphone amplifier NJW1109 N302 then sent back to earphone socket after power amplification If earphone is unplugged sound will be sent to sound amplifier TPA3008 to do amplification and then sent to speaker Image parts Video signal of the tuner will be sent to AV switch box M52797 N400 video signal of AV1 and AV2 will also be sent to M52797 N400 at the same time two groups of video output will be obtained after switching one group of video output together with its audio output will be sent to AV_OUT terminal to treat as AV OUT The other group of video output together with other video signals such as S VIDEO YpbPr1 YpbPr2 and VGA will be sent to PW2300 to do video decoding or AD transformation then output 24bit digital RGB signal and some corresponding synchronous signals Items such as 3D comb filter channel switching 5 lines Y C separation and color decoding etc are primarily done by PW2300 24bit digital RGB signal and some corresponding synchronous signals outputted by PW2300 will then be sent to PW218 N601 HDMI signal will also be sent to AD9398 N101 to de decoding and output 24bit digital RGB signal as well as some corresponding synchronous signal which will be sent to PW218 N601 PW218 is a new generation chip of Pixelworks which has ability to deal with images 24bit dig
22. 24 YpbPr1 right left channel of audio 11 19 output the power amplifier right left channel of audio 9 M52797D Internal Block Diagram BLOCK DIAGRAM TUNER IN_ VIDEO 2 IN y VIDEO 3 IN 4 Rch T IN Rch 2 IN Rch 3 IN Rch 4 IN Lch T IN Leh 3 IN Lch 4 IN Control 9 9 0 vum ui NC GND 045 05 CHIP SELECT 22 V 1 OUT V 2 ou ji Reh 1 OUT Leh 1 OUT Pin description Pin Name Description Pin Name Description HD2_L Audio input 5 HD2_R Audio input 6 AV1_L Audio input 8 AV1_R Audio input 2 Audio input 11 AV2_R Audio input 27 TV_L Audio input 25 TV_R Audio input 24 Left audio channel output 22 Right audio channel output 10 CM2006 Internal Block Diagram Simplified Electrical Schematic BYP Voc DDC_OUT1 DDC_OUT2 VIDEO_1 0 3 VIDEO_2 VIDEO 3 GND SYNC_OUT2 SYNC DOC INt DOC 2 O SYNC SYNC IN2 Q Pin description Pin Name Description Pin Name Description 1 VCC 3 3V 11 DDC IN2 DDC input2 3 4 5 VIDEO 1 2 3 Video input 12 DDC OUT2 DDC output 6 GND GND 13 SYNC IN1 Sync input1 Vcc DDC 5V DDC 14 SYNC_OUT1 Sync output1 BYP Bypass capacitance 15 SYNC_IN2 sync intput2 9 DDC OUT1 DDC output 16 SYNC OUT2 Sync output2 10 DDC IN1 DDC _ output 23 Wiring diagram 182 LYT25 0100 RS 232C KEYS BOARD REMO
23. Channel RED2 gt A 1 GRN2 _8 a Esa e BLU2 8 gt E 2 FPLINE HSYNC CLOCK LVDS gt 32 5 to 112 MHz FPFRAME VSYNC ES pas DOWN DS90C387VJD Pin Description No Pin name Description No Pin name Description 11 CLKIN Clock input 3 10 TTL Red data 54 HSYNC Horizontal sync 93 100 1 2 TTL Greed data 55 YSYNC Vertical 85 92 TTL Blue data Transmitter DS90C387 R27 620 621 622 623 624 625 GND 626 627 820 B21 822 GND PRE B23 B24 PLLSEL B25 B26 B27 DE Vsync Hsync GND LVDSGND 20 21 22 23 m L a u ac R_ PD DUAL BAL PLLGND PLLGND PLLGND LVDSGND 6 M62494 SRS 3D Stereo SRS 3D Mono processor M62494 has SRS 3D STEREO and SRS 3D MONO There are three modes those are SRS 3D stereo SRS 3D mono and bypass Each mode can be set by terminals Pin Description LVDSGND CLK1M CLK1P LVDSVcc AAM AAP LVDSGND ASM ASP A6M A6P LVDSVec CLK2M NC CLK2P NC DS100073 6 Pin Name Description Pin Name Description 1 Rin1 Right channel of audio input 9 VCC Power 2 Lin1 Left channel of audio input 10 MUTE Mute 5 Rout Right channel of audio output 11 SRS STEREO ON OFF SRS stereo switch 8 Lout Left channel of audio output 12 SRS MONO ON OFF SRS MONO switc
24. display correct picture signal 26 2 Identification criteria the bright spot dark spot the screen mn Quantity allowed Distance between two spots Category Criteria 15 20 22 30 40 15 20 22 30 40 One single lt 5 s2 lt 5 s2 3 spot Bright T 215mm spot neighboring s2 s1 s2 s1 s1 spots Total No lt 5 s2 lt 5 lt 2 3 gt 15 nesnge lt e lt s s4 lt 10 spot Dark T gt 10 gt 5mm spots neighboring lt 2 lt 2 lt 2 1 5 spots Total No lt 6 lt 7 lt 5 lt 4 10 Total defected point 8 7 5 4 Notes 1 Definition of defected point bright spot dark spot It is identified as a defected point if its area exceeds 1 2 of a single picture element R G B 2 Definition of bright spot It is identified as a bright spot if it is bright in the state of dark field and its bright size remains unchanged 3 Definition of dark spot It is identified as a dark spot if it is dark in the state of white field and its dark size remains unchanged 4 Definition of two neighboring points Defects of a group of picture elements RB RG GB 27 3 Troubleshooting guide 3 1 No raster no picture and no sound Check if the indicator is light Check the supply Check 5V STBY Cut off between the power power D3 3V Abnormal Normal board and signa
25. ox 82 HJR 213 Le Ey TT SS STPB20 18 20 1PT PC_L 4 7 SDA vss L L102 PVD4 B m I HDMI amp VGA STPB2012 201PT 5g so PC R N703 PACDNO45YB6 a 10 C30 m GND 14 TP15 TP16 101 141 VFSDI2 VFSD13 VFSDI4 VFSD15 VFSD161 VFSD 7 VFSD B 5 191 VFSD 40 VFSD 41 VFSD112 VFSD113 VFSD1 14 VFSD1 151 3 3V_SDRAM 5 4 INOCLK INOCLP a G_CMP 6 INOPEN INOCST B CST SMS Li mous 3 3V 2 G HS CENTS 01 Ji 01 Lm ET INOFLD 47 XIN SYSCLKT R17 GRELO 2 GRel0 71 0 71 Ane XOUT EXTINT DGREO GRELO NC m m INORE2 pa INICLK IN1CST ya INORE3 IN1PEN IN4CLP 62102 57
26. plate that is used for anti vibration and insulation please take care to keep it in intactness so as to avoid hidden trouble 3 5 Be sure to protect the cabinet from damage or scratch during service dismantling or mounting Alignment instructions LC 37T25 amp LC 42T17 amp LC 47T17 1 Test equipment Digital multimeter signal generator 54200 VG849 HDMI signal generator CA210 White balancer 2 The alignment flow chart see below Fig 1 Write N105 403 607 N70 06 To produce main board TV board and other board Check the TV board Check accessories and then packing Input VGA signal source check is the display is Check the MAIN board normal in PC state and various function analog control H V center etc The AV out output sound Check the buttons board and IR receive board is originally signal Combined test for general assembly Input HDMI and DVI signal source check if the HDCP KEY is normal The AV out output sound is originally signal Aging Input YpbPr YcbCr 1 2 signal source check if the picture and sound analog control is normal in the COMPONENT state The AV out output sound is originally signal ADC correction and white balance adjustment Input the center signal source check if various functions of TV search channel system identify and analog control etc earphone output speaker output and the picture and sound of AV out is normal Input AVI S AV2 signal source check if
27. sound 4 3 VGA terminal Input the VGA signal K7253 signal generator separate input VGA format signal of table 1 check the picture and sound Table1 PC display format signal No Resolution H frequency kHz V frequency Hz remark frequency MHz 1 720 x 400 31 47 70 08 25 17 DOS 2 640 x 480 31 50 60 00 25 18 DOS 3 640 x 480 37 90 72 00 31 50 Mac SOG 4 640 x 480 37 50 75 00 31 50 VESA 5 640 x 480 43 30 85 00 36 00 VESA 6 800 x 600 35 16 56 25 36 00 VESA 7 800 x 600 37 90 60 00 40 00 VESA 8 800 x 600 46 90 75 00 49 50 VESA 9 800 x 600 48 08 72 19 50 00 VESA 10 832 x 624 49 00 74 00 57 27 Mac H V 11 1024 x 768 48 40 60 00 65 00 VESA 12 1024 x 768 56 50 70 00 75 00 VESA 13 1024 x 768 60 00 75 00 78 75 VESA 14 1280 x 1024 64 00 60 108 00 SXGA 15 1280 x 1024 80 00 75 135 00 SXGA 16 1600 x 1200 75 00 60 162 00 UXGA 4 4 YPbPr terminal Input the YPbPr signal source K7253 signal generator separate input format signal in table of 6 table 2 check the picture sound Table 2 Component format signal No H frequency kHz V frequency Hz signal 1 15 735 60 SDTV 480i 2 15 625 50 SDTV 576i 3 31 47 60 SDTV 483p 4 45 00 60 HDTV 720p 5 33 75 60 HDTV 1080i 6 28 13 50 HDTV 1080i 7 67 50 60 HDTV 1080p 8 56 25 50 1080 4 5 HDMI terminal Input the D
28. terminal Internal Block Diagram SCLO Serial Register and SD Power Management R G B 8X3 R G B 8X3 YCbCr YCbCr 4 2 2 4 4 4 RX1 2 DATACK RX1 HDMI Receiver Vsync DATACK HSOUT VSOUTAO RGB 2YCbCr Colorspace Converter nom x gt SPDIF OUT 8 Channel 12 OUT MCLK LRCLK DDCSCL DDCSDA configuration Pin 1 Identifier MCLKIN MCLKOUT 21 SCLK LRCLK 23 2 25 100 ovoD 99 sa PIN CONFIGURATION R1 4 3 92 91 OGND 9 9 90 OvDD Je AD9398 Top View Pins Down SDA 81 VSOUT A0 re i a5 gt s85888882182 8228 23888955 89 AD9880 AD9398 PINS FUNCTIONS Pin Name Function Pin Name Function 2 9 GGE 0 7 Converter output 44 RXC DVI input 12 19 0 7 Converter output 49 DDC_CLK HDCP Slave Serial Port Data Clock 92 99 GRE 0 7 Converter output 50 DDC DATA HDCP Slave Serial Port Data 20 21 MCLK Control clock output 51 MCL HDCP Master Serial Port Data Clock 22 25 SCK Audio serial clock output 52 MDA HDCP Master Serial Port Data I O 23 I2S_WS Bus clock data output 82 SCL 1 Serial Port Data Clock 27 125 50 Bus audio output 83 SDA 1 Seria
29. 1 Image Management Interface Video Enhancement Color Space Converter Image Blending Color Matrix Gamma CLTs Color Space Expander DRGB 23 0 PixelBoost y Frame Buffer Memory Controller SDRAM PLL Input Sync Decoder Auto Image Optimizer MCLK UCLK GCLK VBI Memory Interface Spread Spectrum PW218 Internal Block Diagram MCKFBK MCKFBKN MCK MCKN MCKE MRAS MCAS MWE MA 12 0 MD 31 0 MDQS 3 0 Figure 1 1 PW218 ImageProcessor Block Diagram 15 4 TPA3008 TPA3008 is double channel 10W stereo D class audio amplifier Internal Block Diagram PVCC V2P5 VCLAMPR BSRN PVCCR 2 ROUTN 2 TE RINP PVCCR 2 V2P5 ROUTP 2 To Gain PGNDR GAINO Gain 4 Blocks and GAIN1 Control Start up Logic FAUCT ROSC Ramp Detect Generator Biases Start up and COSC and Protection References Logic AVppREF AVDD inp AGND 2 SHUTDOWN uffer VCC Compl VCLAMPL BSLN PVCCL 2 LOUTN 2 LINN PGNDL LINP PVCCL 2 LOUTP 2 PGNDL PINS FUNCTION Pin Name Function Pin Name Function 1 SHUTDOWN Shut down control signal 17 LOUTN Negative audio output for left channel R
30. 5 IN0ROS IN184 ae ping Pe INORO4 E IN1B5 8 2 Gina L16 54 we TNB C15 506 2 5062 06600 F5 INORO7 Pa IN188 1001 2 BLU3 06604 HETA j INOROB IN1B9 I gt R 2 06602 Hiie F3 in c18 06603 pi 15 O Fin 508 2 CVBS 1 Re RED4 06504 Hita ne 1 gt 62 X4 H3 GANA 06605 CVBS S061 8084 06506 10602 16 R4 N16 BLU4 06607 ke 100603 90 Te 06608 T Ni INOGO4 1 gt F2 100505 vs2 INOGOB P16 IN0607 is 06800 p75 s INOGOB L La 06801 514 IN0609 06802 gig 5 8 s2 06803 M R15 NC M 06804 nia ah os sete T s ee popor INOBO4 T3 1808605 D6809 Ke 10806 3 ASPECTO R227 INOBO7 O 616 pa INOBOB ASPECT2 DGCLK2 515 47 47 INOBOS M REXT DGCLK1 Fig R228 8 5 5 gt c DGPEN Fie G DE EU DGAHS E 4 5 5 DGHS ETS 6 8 0615 E15 G CLK SS DGFLD gg 37 C G FIELD Tau DGVBI 5 as 47 R245 R244 ALTCLK1 N204 ALTPEN c VFSA 0 2 R91 R93 19 545 ATUS DB A0 060 75 33 ALTVS pg VFSAL4 3 mm DS 1 gt 7 1 ALTFLD DQ1 ES L VFSA 2 5 al el z Da2 ST u ST 8s EN PW2300 10 VFSA13I 5 063 10n 01 VFSA 4 8 L10 9223 Reg 004 75 33 vrs
31. 8 43 vonia E Amis 16 TXEO 4 i 3 3 4 VREF VDD33 5 17 VDDG3 AB17 6 5 E 8 AMA gs as 5 AMA isie TxO2 yep TXEO 5 5 59 ME SS 85 mei 15 1 0 7 RMCKNA 26 55 8935 444 VODG55 445 Dos 8 7 VDD061 114 10 8 MMD 161 wia H 10 9 4 23 2 80 m H 22 1 000 WND 171 12 4 2171 CAS pat 5 i 5 IA 14 13 l 0 24 WE Dae 7 va 7 s cs 003 g moteo 7519 JE FD AB19 16 15 20 10 Y15 0 LOM 095 motez yap TXE3 TXE2 16 15 LOM 005 far A 18 17 0 16 13 yoo TXEP m 8554 51 LOGS 097 54 moten AMB upas bag ND AMB 716 Too 20 19 RMA 0 pos HES 25 Y16 A15 TX00 TXEC 20 19 is aa OST W15 20 Toit 22 21 1 arte 30 M 2 TX04 TXEC 22 21 0012 60 24 23 32 Fa 62 1 Hs TXE3 24 23 HMALAT 35 63 Y18 TXE3 FINA 18 n 26 25 s sn ss ca ce PARIS 44 0014 LE W16 TXEO 26 25 88 1185 2 58 1188 2 88 88 s B1 37 vet WEDS Er a us 28 95 58 25 D A6 1420 7 AA20 l vig 28 27 TX00 4 4 arate VSS34 Y18 7 30 29 fm 40 Ag 5548 17 wig TX01 30 29 TX01 PRETI 28
32. ELD L 84 axct gt act soa gt SDA 1 Xe xis SCL 5014 AVEC 4 44 82 T mE TVDD45 PWRON 684 pip 55 8 1 2 DR t 11 gt VGA R1 Ex ae RTERM 13 33 PVD1 8 CGND47 RAINO 9 79 C402 leo MONE 3 3V 7402 100n lt BN DDC CLK DDC SCL RAIN1 AVCC 4 t 1 gt VGA 61 49 5 77 T C413 DATA C 2 DDC SDA 8 AVDD76 470MHz put dh ODE DATA 50 3 75 ED v6a s061 N105 8 8 5 403 24LC16BSN 3 3V 3 2 838 8B 8 e 8 4898 57 88526 6 5 8 k 5 86 Z Z 6 8 24 5 8 lt 5 m 9 94 2 Pg UC 8 g 9 5 9 8 3 x 8 8S B 3 z 8 3 A0 vec 5 7 88 5 8 TK lavec scL PLL1 B lavec 4 5 147 ET vss SDA aan 4 3V 3 zs WILL BE REPLACED BY 24LC04 1 20 Ben CH 8110 NB bus ovec PESD5VOL5UY mm 2 his le Ig lg al alm TES T TS TS gt VGA H1 avcc 1404 VGA V1 I I I I sa EM 54 504 158 LES EM ES BS OB ses T T T TE Rem 95 VGA POWER 03 3V 3 m PLLI B 0403 1 20128300 vec 1 M nm 1 I 1 T VCLK NC2 8 48 22 ates obese ET cn oo Si
33. HMI signal source VG849 signal generator separate input format signal in table of table 3 check the picture and sound Table 3 HDMI format signal No H frequency kHz V frequency Hz signal 1 15 735 60 SDTV 480i 2 15 625 50 SDTV 576i 3 31 47 60 SDTV 483p 4 45 00 60 HDTV 720p 5 33 75 60 HDTV 1080i 6 28 13 50 HDTV 1080i HDMI format signal of audio channel 2 sampling rate support 32Kbit s 44 1Kbit s 48Kbit s bit wide support 16bit 20bit 24bit Method software upgrading Steps of software upgrading are as follows 1 Select a serial connection wire and a VGA connection wire and then connect them by means of a patch panel 2 Use a serial wire to connect the PC to the patch panel and set TV set to off state Open the software upgrade file holder and double click FlashUpgrader exe window 2000 XP NT The following interfaces will show up after running the program Pixelworks ImageProcessor SDK FlashUpgrader i Director ALCSTQTAPI218 E ARIFI Choose Flash wz1s inf y Files To 3 flasher hex Ox07000 OxOSAAF 10927 pw218 hex 0 000 xiCF2FE 865022 lt Port 71 gt Baud a s 115200 71 Options 4 1 519 Continuous Flash Flash C Erase X Reset Time 3000 N
34. INP Positive audio input for right channel 20 LOUTP Positive audio output for left channel 4 V2P5 2 5V Reference for analog cells 27 ROSC current setting resistor for ramp generator 5 LINP Positive audio input for left channel 41 ROUTP Positive audio output for right channel 11 FAULT Volume control 44 ROUTN Negative audio output for right channel 5 DS90C387 The DS90C387 DS90CF388 transmitter receiver pair is designed to support dual pixel data transmission between Host and Flat Panel Display up to QXGA resolutions The transmitter converts 48 bits Dual Pixel 24 bit color of CMOS TTL data into 8 LVDS Low Voltage Differential Signalling data streams Control signals VSYNC HSYNC DE and two user defined signals are 16 sent during blanking intervals At maximum dual pixel rate 112MHz LVDS data line speed is 672Mbps providing a total throughput of 5 38Gbps 672 Megabytes per second Two other modes are also supported 24 bit color data single pixel can be clocked into the transmitter at a maximum rate of 170 2 In this mode the transmitter provides single to dual pixel conversion the output LVDS clock rate is 85MHz maximum The third mode provides inter operability with FPD Link devices Internal Block Diagram CMOS TTL INPUTS DATA LVDS DRDY Data Enable FPSHIFT IN TRANSMIT CLOCK IN 32 5 to 112 MHz 8 RED1 be gt GRN1 _8 195 to 672 Mbit BLU1 pe On Each LVDS 3 2
35. KX3 3 5 4K CSAPDET PCREG76 8 21 343 m mer ome naaa El BASSL1 Bassai Hd 5 1300 NC C336 9 20 C344 PHATNOUT 82k passe sensa C345 z PC FIL PMAIN IN 15n 10 19 330 4 tu pseuoo ROUT 1 MUTE PCREG 11 18 R316 1 LOUT scL ho ag SDA LOUT 4 70 12 17 R347 100 12 gs 97 96 E 100 f aj 8302 SCL R 0UT 13 16 R318 D 1 13 Rext HHA R PC_DBXIN PCALCFIL 14 15 33K EN 4 Cext mm Hl PSTSENS PCOBX IN 88 POSS EHE hik 220n Y EARD FER BETTE SER Dic ED PSAPSENS PCTNMIO PCDETMIO PCTIMSPE PCDBXOUT PCSPECIN PCDETSPE 98 4 7 R422 4 7K A423 SDA SCL Analog board 07 01 1501 50 5 12V L504 m Q L503 i nan Output F502 fox Pe t SB alt Ou FB T SGT
36. SANYO _ FILE NO SERVICE MANUAL LCD 47XR2 PRODUCT CODE No LCD TV 1 682 342 81 AUS SS etc 1 682 343 78 INDIA REFERENCE 5 0915013 CONTENTS c E 1 Alignment instructions ena MARS Sector cea theta 3 Software upgrade method cir sees nas 8 Working principle analysis of the unit 9 BlockdiagraMm Tangan Na BE 11 I block diam ASE Pe 12 diagrama RA an 24 Troubleshooting LS een NN 25 dr se ates eae at ac BR Eten 33 APPENDIX A Assembly list APPENDIX B Exploded view Attention This service manual is only for service personnel to take reference with Before servicing please read the following points carefully Safety precautions 1 Instructions Be sure to switch off the power supply before replacing or welding any components or inserting plugging in connection wire Anti static measures to be taken throughout the entire production process a Do not touch here and there by hand at will b Be sure to use anti static electric iron It s a must for the welder to wear anti static gloves Please refer to the detailed list before replacing components that have special safety requirements Do not change the specs and typ
37. TE RECEIVER 7222 SPEAKER AC220 Trouble shooting 1 Fault clearance Before servicing please check to find the possible causes of the troubles according to the table below 1 1 Antenna signal on the screen Picture is out of focus or jumping Bad status in signal receiving Poor signal e Check if there are failures with the electrical connector the antenna e Check if the antenna is properly connected Fringe in picture e Check if the antenna is correctly oriented Maybe there is electric wave reflected from hilltop or building Picture is interfered by stripe shaped Possibly due to interference from automobile train high bright spots voltage transmission line neon lamp etc Maybe there is interference between antenna and power supply line Please try to separate them in a longer distance Maybe the shielded layer of signal wire is not connected properly to the connector There appear streaks or light color Check if interfered by other equipment and if interfered possibly by the equipment like transmitting antenna non professional radio station and cellular phone 1 2 TV set Symptoms Possible cause Unable to switch the power on Check to see if the power plug has been inserted properly into the socket No picture and sound Check to see if the power supply of liquid crystal TV has been switched on As can be indicated by the red LED at
38. ation or handling 2 12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual For prolonged storage it is necessary to house it in an anti moisture bag and put them altogether in one place The ambient conditions are tabulated as follows Temperature Scope for operation 0 50 C Scope for storage 20 60 C Humidity Scope for operation 20 85 Scope for storage 10 90 2 13 Display of a fixed picture for a long time may result in appearance of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid displaying still picture in high brightness for a long time 3 Points for attention during installation 3 1 The front panel of LCD screen is of glass When installing it please make sure to put it in place 3 2 For service or installation it s necessary to use specified screw lest it should damage the screen 3 3 Be sure to take anti dust measures Any foreign substance that happens to fall down between the screen and the glass will affect the receiving and viewing effect 3 4 When dismantling or mounting the protective partition
39. connected to the proper terminal or if the input appears mode is correct There appears an indication e Check if the TV set can receive input signal The signal is outside the receivable scope not correctly identified and VGA format is beyond the specified scope Remote control cannot work Check if the batteries are installed in the reverse order properly Check if the battery is effective e Check the distance or angle from the monitor Check if there is any obstruct between the remote control and the TV set e Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only e Check if the antenna cable is correctly connected or if it hash has received the video signal correctly Blur picture Check if the antenna cable is correctly connected e Of if it has received the right video signal No sound e Check if the mute audio frequency setting is selected e Check if the sound volume is set to minimum Make sure the earphone is not connected e Check if the cable connection is loose When playing VHS picture search When being played or in pause VHS picture search tape tape there are lines at the top or bottom of the picture sometimes can t provide stable picture which may lead to incorrect display of the liquid crystal TV In this case please press auto key on the remote control so as to enable the liquid crystal TV set to recheck the signal and then to
40. e at will 2 Points for attention in servicing of LCD 2 1 Screens are different from one model to another and therefore not interchangeable Be sure to use the screen of the original model for replacement 2 2 The operation voltage of LCD screen is 700 825V Be sure to take proper measures in protecting yourself and the machine when testing the system in the course of normal operation or right after the power is switched off Please do not touch the circuit or the metal part of the module that is in operation mode Relevant operation is possible only one minute after the power is switched off 2 3 Do not use any adapter that is not identical with the TV set Otherwise it will cause fire or damage to the set 2 4 Never operate the set or do any installation work in bad environment such as wet bathroom laundry kitchen or nearby fire source heating equipment and devices or exposure to sunlight etc Otherwise bad effect will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the power off at once Likewise if the screen is not working after the power is on or in the course of operation the power must be cut off immediatel
41. h 18 Internal Block Diagram Block Diagram SRS MONO Mute SRS STEREO GND LOUT PS SRS NL LPF SRS NR JE HPF 1 ROUT i BPF SRS A L R SRS PR REF IN LIN REF OUT RIN 7 L72700 Internal Block Diagram LA72700 700V US MTS Multi channel Televison System DECODER MODE Monitor out Vee 9 OUT L Package SSOP36 LA72700V DIP36S LA72700 ALC ON mode only OUT R fsc IN 3 58NHz 1 7 7 J d __1 200mVpp 2700p gt S 2 2u 4 1u 4 7 22u 11 To 022 1 30 609 00 lt 6 17 630 22 21 20 19 e A A ALC 2 z 3 1 OUT REGULATOR VREF 8 8 MATRIX 6dB LPF ER 1 L R SAP PILOT L R LEVEL DET 7 gt DEMOD STEREO PILOT gt pL gt CANCELLER ST SAP HB 2 dbx L SYSTENS PILOT L ber DEMOD SAP DET SYSTEM DET CONTROL LPF k Cancel g
42. ital RGB signal and some corresponding synchronous signals outputted by AD9398 and PW2300 will be sent to this chip to deal with images The chip has functions such as converting from interleaved into line by line and image enhancement etc PW218 has SCALER function which can do format conversion towards different input formats so as to meet the format needs of the screen and finally output 24bit RGB signal The interface standard of PDP screen is generally LVDS low voltage differential signal so the digital RGB signal outputted from PW218 is needed to send to converting interface N6 DS90C387 of LVDS to obtain LVDS signal then it will be sent to the screen PW218 is also the main CPU its programs are stored in periphery device flash N701 and software upgrade through RS 232 interface is virtually upgrading the stored programs through PW218 towards N701 9 Chief functions High definition 1080 LCD 16 9 wide screen Support several kinds of HDTV wide voltage range low standby power consumption less than 1W One group of D SUB S VSH Y C RS232 AVOUT HEADPHONE HDMI two groups of YPbPr YCbCr AV Block diagram RF Video M52797SP Audio and video switch IC block diagram 1 AD9880 and AD9398 AD9880 have HDMI digital and analog terminal of working frequency 165Hz it support 1080P non interlaced scanning and UXGA 1600 x 1200 60Hz video format also it support eight audio channel of 192KHz AD9398 without analog
43. l Port Data 34 RX0 input 84 Odd Even Field Output 35 RX0 DVI input 85 G VS VSYNC Output Clock 37 RX1 DVI input 86 G VHS Sync on Green Slicer Output 38 1 87 HS HSYNC Output Clock 40 RX2 DVI input 88 DE Data Enable 41 RX2 input 89 Data Output 43 RXC input 2 PW2300 PW2300 is front processing signal of integration analog port support 1080P 150MHz Internal Block Diagram ilter Offset Control Gain Control OptionalSDRAM ADCIF Anti Alias RGBtoYUV SyncProcessing Enhanced Noise Rejection SteadySync Reference VBI Processing highly performance multi system 3D video decoder and three highly velocity AD converter chip It supports HDTV NTSC PAL and SECAM Its Video Decoder 20 30 Video Enhancement Sharpness FleshTone Peaking DLTi DCTi Correction Noise Reduction BIW Expansion ColorSpace Converter with Bypass PW 2300 Internal Block Diagram Figure 4 1 Internal Block Diagram PW2300 PINS FUNCTION Pin Name Function Pin Name Function A4 XIN Resonator input P1 2 2 red input A5 XOUT Resonator input P2 2 AV2 greed input B2 SDA 12 bus data P3 SOG_2 AV2 greed sync input B3 SCL I2Cbus clock P4 G2 AV2 blue input K2 VGA R1 VGA red R1 CVBS 1 TV compo
44. l processing check the 5V STB Short circuit the pin 1 STANDBY of X604 to 5V then check the supply power Check N501 and N601 Abnormal Normal Normal Abnormal Power board Cut off the the power board and video board problem U24 Pull out P2 check abnormal power to main board check it Normal Abnormal Check the Short circuit in Power board supply power a power line problem of N606 and crystal Check the power of N201 N601 N204 and N701 crystal and bus Note Power supply for PDP is provided with over current and over voltage protection functions there is over current or over voltage this protection will function and no output 28 2 With sound but picture With sound but no picture Display LOGO Check if no image for all other channels Check if the X3 X4 18 signal wave Check if the white balance of the factory menu 15 normal Unfix X3 and X4 turn on the unit display the white screen Abnormal Check the N201 Reset the EEPROM Abnormal and peripheral DE Check input signal of 601 O Check the supply and power supply power 120 backlight board Normal Abnormal Abnormal 601 Check 201 and the damaged circuit of output part The supply power board damaeed 29 3 With picture but sound With picture but no sound If there is output from X700 of No sound powe
45. ll the chips working status on the main board including image processing channel switch sound processing image display etc sub CPU OSD searching channels image effect adjustment buttons control infrared remote control etc the sub CPU is ATMEGA8L 606 it is used to control power supply including standby and turning on the unit by using remote control etc The two MCU correlates with each other through pin 14 INT interruption of ATMEGA8L pin 28 and 29 SDA SCL The unit has one integrative tuner including HF and IF amp circuits The signal received by antenna is sent to tuner under the control of MCU PW218 N601 SDA and SCL proper channel selection and right system switching will be done by the tuner then video signal and audio signal will be output by the tuner through decoding and by high and intermediate amplification Video signal of the tuner will then be sent to Decoder PW2300 N201 Audio signal of the tuner will then be sent to AV switch box M52797 N400 the audio signal of AV1 AV2 and HD2 of the main board will also be sent to M52797 N400 at the same time The selected audio signal after switching will be sent to R2S15900 N301 and then switching selection will be done towards the above audio signal together with the audio signal of VGA HDMI and HD1 The two chips are controlled by PW218 N601 after the above process the finally selected way will be set to X300 earphone socket after under the control of volume
46. otify On Completi Bytes Reset Target After Flash Close i Based on the computer features set up the serial port COM Port Select corresponding serial port if 5 unable to FLASH WRITE change to another port is selected to be 115200 Then select Reset Target After Download Click FLASH pushbutton it s ready to run For other settings please refer to the Fig Above already defaulted by the system normally no need to change Switch on TV set the FLASH write program begins to run Pixelworks ImageProcessor SDK FlashUpgrader r Director ALCSTQTAPII2 1848 Choose Files To Connectioi 3 flasher hex 0 07000 10927 zi pw218 hex 0 000 xiCF2FE 865022 com 71 Baud 115200 Options Modes Continuous Flash Flash Erase Reset Time 3000 Waiting for target reset Notify Completi Bytes Reset Target After Downl iC powered by pixelworks When the upgrading is complete a window below will be opened Press Finish button to complete the process 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 Working principle analysis unit The unit has two MCU the main MCU is PW218 N601 it is used to control a
47. otret TIE 052 17 MDGSO 7535 4 20 E Hig 018 R806 47 UM 005 NODI moteo 49 218 10 22 16 pas Da7 Eag 020 G22 MMA OI 8997 Si nas motez pag 021 MAO 120 009 motea 651 Mee e Lig HAE anat 0640 motea 9917 Tgei 021 MMAT3 motte motes Fig MD24 x Date Mo test ASE Ter 025 MA4 5 0013 271 620 026 MAS 020 1 EM 0044 motes NDI28T pig 027 MAG F22 EH ur 0015 motes c19 M028 1 AA aa 37 30 NDT30T Ei 9 Ke mE 8808 2 38 46 7 030 39 1 1 M03 act DIE 40 48 VSS34 P919 22 9 5548 18 2 R32 22 ga MO AP VSS66 patel Att vssas BNO MBNKIOT R30 22 MMBNK 0 42 5012 22 MENKIIT 829 22 MMBNK 1 25 VS5052 22 R911 9 7 BAO VSS058 VLCD geo 2 MMDM 2 BAL 55064 e D20 MDM 3 MMDM 3 unde npase MMDOST2T V47 618 pasla V17 vig boss MD0S 3 vio Hyaa xa HYSDU2B1622ET ids 18 Maag DF13 40DP 1 25V AB14 2 1 v25 a vont 1815 s 1 ae 8
48. p o ps VFSCLK 47 VFSA 5 9 1 E 1 gt 1 vesottt 500 FSCLK 065 vFsotet pg 501 pig NFSA 0O VFSA 6 29 ast SS gs vrsotst Re FSD2 FSA0 A6 066 Th Lat fer 1 vFsotat p FSD3 FSA1 VFSA 7 30 12 z 3K ABS FSD4 FSA2 7 067 2 N7 N13 t 5V 14 45V A gt 5061 vrtet E pg FSD5 FSA3 at3 1 VFSD 7 1906 FSA4 nia VFSA S 43 2 STPB2012 300 3 8S vrsotet 507 FSAS vrsa g 39 vrsptsl 4 TB FSDB FSAB 7 FsD9 FSA7 VFSAL 401 40 Fso z FsD10 FSAB 069 1 zal CVBS 4A vesotiet 988 4 5011 FSA9 19 42 ES 8012 FSA10 rig Att 0640 TJC40 09A I gt ae ABS Le CAB FSA 43 SDA 1 v FSD14 0011 lt jt 691 zi 1 11 gt 1 Ji 195015 FSBANKO 110 47 45 QS me ae in RAS 0012 z On 15 9 oT EY VFSDOM 16 __ 46 FSD0M CAS 0613 BSS13BLT4 10n 15 48 V161 G EM _VFSRAS WE Lr ESPAS VESCAS 35 49 E ai FSCAS P pg 0015 FSWE lt y PW2300 10 S DECT gt 36 33 NC33 43 3V_SDRAM 37 3 3v_SDRAM swe 17 37 STPB2012 300 26 1 mm 5526 voi X6 ADC amp DECODER
49. r amplification board Check if input signal in pin 2 of sound power amplification Sound box damaged Sound power amp or other peripheral circuit Measure if the sound input of the have problem Check power supply present channel corresponding to SHUTDOWN pin control is normal and if N400 is normal output short circuited or other problems that cause protection to work R2815900 or other peripheral Check different levels of circuit have problem circuit following input audio signal channel 4 no picture Check if pin 7 AV1 and 10 AV2 has signal input There is problem from Av socket to N102 channel Check the N201 and peripheral circuit 400 or other peripheral circuit have problem PW2300 or other peripheral circuit have problem 218 or other peripheral circuit have problem 30 5 High frequency board overhaul flow 5 1 with picture but no sound Check if other channel is normal Check if the earphone is normal Check the connection cable Yes Normal Check if the connection Check if the sound channel of N400 15 normal cable and power cable is normal The speaker has problem R2S15900 and peripheral Check the circuit of the all circuit and earphone socket levels sound channel Check the audio power have problem amplifier and peripheral 31 5 2 certain channel without picture Check
50. rature coordinate 270 283 3 5 1 HDMI channel Input 8 level gray signal 720 60 2 Brightness to 50 contrast to 50 Color temperature to warm Enter color temperature setup menu Adjust RED GAIN GREEN GAIN BLUE GAIN until the fifth level color coordinate 270 283 5 2 D SUB channel Input the 16 level gray signal 1027 x 768 60 TIMING 889 PATTERN 921 Brightness to 50 contrast to 50 Enter the ADC auto correction Color temperature to warm Enter the color temperature setup menu Input the 8 level gray signal 1027 x 768 60 TIMING 889 PATTERN 920 Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the third level color coordinate 284 299 h Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 284 299 i Repeat the g and h step until the third and the seventh level color coordinate 284 299 Color temperature to cool k Enter the color temperature setup menu l Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the third level color coordinate 270 283 m Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 270 4 283 Repeat L step until the third the seventh level color coordinate 270 283 3 5 3 high definition channel a Input the 720P SMPTE COLOR BAR signal TIMING 976 PATTERN 984 Brightness to 50 contrast to 50
51. rature to cool Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the fourth level color coordinate 270 283 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 270 283 Repeat the j and k step until the fourth and the seventh level color coordinate 270 283 3 5 5 the RF channel a Input center signal source set to 0 8 channel Brightness to 50 contrast to 50 Enter the factory menu Color temperature to warm Enter the color temperature setup menu Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the third level color coordinate 284 299 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 284 299 Repeat the f and g step until the third and the seventh level color coordinate 284 299 Color temperature to cool Adjust the RED OFFSET GREEN OFFSET BLUE OFFSET until the third level color coordinate 270 283 Adjust the RED GAIN GREEN GAIN BLUE GAIN until the seventh level color coordinate 270 283 Repeat the j and k step until the third and the seventh level color coordinate 270 283 4 Performance check 4 1 TV terminal Input the center signal source to RF terminal enter searching menu auto search check if the leak channel half auto search channel fine tune earphone and speaker are normal Check the AV OUT 4 2 AV1 S AV2 input terminals Input AV1 S AV2 signal source check the picture and
52. site video signal input K1 VGA G1 VGA greed R2 S VHS brightness signal input 11 VGA SOG1 VGA greed sync signal R3 CVBS_SOG1 TV composite video signal greed sync input M1 VGA B1 VGA blue R4 C_1 S VHS chrominance signal input T1 VGA H VGA H sync signal B9 GVBI Vertical blanking blank VGA V sync signal 16 G_VS V SYNC output N1 R1 1 red input F14 G HS H SYNC output N1 G 1 AV1 greed input F15 G_AHS H SYNC of non processing SOG_1 AV1 greed sync input G15 G_DLK Clock output N4 B 1 AV1 blue input 0 7 blue even pixel output GBO 2 9 Blue odd pixel data output GGE 0 7 greed even pixel data output GGO 2 9 greed odd pixel data output GRE 0 7 red even pixel data output GRO 2 9 red odd pixel data output 3 PW218 PWE218 is highly quality SOC picture processing chip it contain Scaling Deinterlacing functions Internal Block Diagram PORTB 7 0 IRRCVR 1 0 NMI CS 1 0 ROMOE RxDITxD TCI PORTC 7 0 PORTD 7 0 INTCLK 5 5 IN1SOG IN1V Bl INTCST INTFLD INICL IN1RGB 23 0 INOCLK INOPEN INOVS INOHS INOSOG INOV BI INOCST INOFLD INOCLP INORGB 47 0 IR Decoders Interrupt ROM 16 bit Turbo Controller Interface Microprocessor Sync Decoder 050 Control and Generation Auto Image Optimizer VBI 4 sealer Watchdog amp Timer DHS 1 Generator DEN DCLK DisplayPort Microprocessor Bus Input Port
53. steg acl asl acl gel gel sel 9 vesso opes E So se Ge NO Qe Wes ES SAT SAT SAT OST SAT 4 7 a L TASSE veta D po 10 13 vssa10 vopa13 4 lt 41 38 55041 vbDa38 47 44 VSS047 00944 8 ma HY57V161610E 512 X 2 BANK X 16 3 3v 2 00 699 T 0007 g 4 4 3 ap 8 T 0867 d 5 og 3 at 4 8 g4 1 eH ZTOEEA 8 2869 TIGEEA EH 4 4 F 6129 Ld OFGEEA 3 7 0007 Hi 1 9229 0087 LEA BL rity de AHA MEE 8687 eH 72 GOEEA ayang b Li 005 ur 1 A EGEEA Orang A ore TOEEA BEQNS 6 6959 ar LEONI 6 5087A EONI is t r1 T 8097 8087A SEON 8 0007 Hg 795 592 amn ENA x A N 8 SOBTA tas 8 5 8 z vOBTA i 4 J S EOBTA 2087A 620N9 668 7 420 8 a 999 T dSBTA SONT Tu HAHA TEON uy 192 Hh 5 867 9 z D
54. the various terminal functions system identify and analog control etc and the picture and sound of AV out is normal Fig 1 Flow process of alignment 3 Alignment instructions 3 1 the main board adjustment a Connect the X602 of main board to the infrared receive board the supply power plug to X1 then the indicator of the infrared receive board is red light b Press the POWER button the indicator change to blue light the LED1 of main board is flicker of slow c Write program to N102 d Check if various channels are normal 3 2 The TV board adjustment a Connect the high frequency board to main board and connect the X501 and X502 to the supply power Press the POWER button the indicator change to blue light Check if the picture and sound of TV AV1 AV2 S YPBPR1 TPBPR2 and sound of HDMI VGA channels are normal Check the STEREO and SAP Check the picture and sound of the 1 5 2 3 3 the unit adjustment After install the unit check it is normal working 3 4 Aging a Select the TV channel the screen is noise wave of no signal TV b Aging an hour 3 5 ADC correction and white balance adjustment use white balancer CA210 and signal generator VG849 Enter the factory menu method press 1 9 7 9 button in the window menu state Note warm color temperature coordinate 285 294 warm color temperature coordinate 284 299 LC 42T17 LC 47T17 LC37T25 T7 cool color tempe
55. y and no more operation is allowed under the same condition 2 7 Do not pull out or plug in the connection wire when the module is in operation or just after the power is off because in this case relatively high voltage still remains in the capacitor of the driving circuit Please wait at least one minute before the pulling out or plugging in the connection wire 2 8 When operating or installing LCD please don t subject the LCD components to bending twisting or extrusion collision lest mishap should result 2 9 As most of the circuitry in LCD TV set is composed of CMOS integrated circuits it s necessary to pay attention to anti statics Before servicing LCD TV make sure to take anti static measure and ensure full grounding for all the parts that have to be grounded 2 10 There are lots of connection wires between parts behind the LCD screen When servicing or moving the set please take care not to touch or scratch them Once they are damaged the screen 1 would unable to work way get it Ifthe connection wires connectors or components fixed by the thermotropic glue need to disengage when service please soak the thermotropic glue into the alhocol and then pull them out in case of damage 2 11 Special care must be taken in transporting or handling it Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit Therefore it must be packed in a strong case before the transport
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