LCD TV SERVICE MANUAL LCD
Contents
1. D503 RGP25K 3 E 8 2 9 6 0792 5007 00 nozb 1769 veer AGE ASE ost gt e 1 neg BS 200 tesa 9569 n 7755 8750 4 fa 0007 nosy ISN xB aloe Ab Ld E 001 8539 y GOdn SE Bes 2 0 7 2290 9001 RNa n 6150 4 4 E2. 865 aos 2 1410 019 2 7 m E o come uz 3 4 s as 8 GND FB go 12V 49V 38 aa 1 Ts 28 88 mm EH 1 25 41 2 EN riam m SLF7032T 100M1R4 PF 2 o 207 Q 1805 809 3216 121 2204 p 25V 23 m E ske 8 NS01 89 GND D GND D MSD109CL H 41 2 zi PWR ON OFF GND 002 A5 VDDC GND Gub amp Gub nav wo Gub Gub 1402 caos Gub 8 3216 380 fre AVDDL R420 PVDD 100K 1403 SLF10145T 470M1R4 PF AVDD DDR AVDD Gb snm m ADD DDR E amp np 4700 1410 019 AVDD DDR lt GND 1002 AVDD DDR GND AVDD DDR AVDD am AVDD 100077 loy 43 3V LPLL 43 3V GND D n 43 3V AU AVDD 00 3 3 MEMPLL AVDD AU 43 3V AVDD LPLL AVDD MPLL AVDD MEMPLL c AVDD 43 3V OTG E AVDD 33 AVDD USB m 27 27 VDDP VbDb 5 VDDP 6 EE 5271117010 12 111706227 43 3V VD 1806 43 3V VDDP 41 2V VDDC Pr 012 201 memi meo t lunda dadada pi 25 gs sagt 85 STPB2012 201
3. 25V E PHB 2x20 2 0 2 1 re 4 3 4 3 6 5 TXOUTOO R401 33 L 7 gt 005 2 589 PANEL 0 10 TXOUT20 8402 33 10 00 20 T TXCLKOUTO 12 a 247 TXCLKOUTOs TXOUT3O is 14 13 T E TXOUT3Os TE T 0 16 15 zi TXOUTAOs TE T ea 27 1NDS Ui is 7 1NDS 101 1 1NDS 102 Bat JXOUTOR R404 r
4. 2 8 8834027 H24V AMP PRSE 82526 5 18017035 ee 5 3 33 7 4 ox 5 0 1 1 1 i S 2 ovis mu Gus O 2 7K Ios 100n spp cvasLevi7 Leviel IT ioon 100m 100m CT aus t 45V gt cv20 y a s 100u MI Ex 88 n 16 21 23 100u eG 8 iev Bia T Sep seus 9074 xvoi cvos gt AUDIO 3 3 X901 HFT503MPBR 1 3 3V N901 2 T ISL29001 85 pu GND O R906 EE 6 100 SDA nz T VDD SDA L G m DIES GND SCL tr 5 R907 4 100 3 3V GND REXT PD GND 58 O 902 GND GND N902 HRM538BB5117 Vout 4 R903 GND Q aa 8TH Q LED901 V901 BC847AW gt i R GND POWER 8907 R906 SOURCE MENU VOL4 VOL 3906 8905 8903 8904 5901 5902 Lu Lu Lu Lu Lu Lu R905 R904 R903 R902 R901 1 5K 2 4K 4 3K 10K KEY IR KEY
5. etk WP H READ ONLY 2 G MU G SpA HDMIZ SDA Gr 2 G5 88 Las 58 Lgs Leg Lsa Leg Legtles Sa 82 Sa 25 Sa 88 59 8 Q 58 Te I ST 58 ix g naoz 1 aces nat gt mi g RAO8 4 100K B sel gel 8 sey g M aup p L NS01 MSD109CL H HDMI SINK RXO 167 wis E xm D 166 TEOUTOE didis 165 TXOUTIE SINK RXi 3 Dia HDMI SINK RXl 163 TXOUT2E Hour SINK Ri iss moms 3 j 158 TXOUTSE 1 157 7 ae mom OO N SINK crk 3 24C028 108127 eR j Gcr 7 Homra Ri ius 5 isomero HDMIS RXL Ort we Al MM 173 5 25 n ee HDMI3 RXO im TY z SDA np G HDMI3_CLK RAGS 176 TXOUT2O o Too im OON Q gt 172 TXOUT30 oC MT 169 TXOUT40 HOMIS SDA oon cem em uemmem G a uon izmxcuowm VA03 F pacc BC847AW CO ta HED MN lt mos mus 5 usn 8 100K gt 51k GND D 3 8 PaT EE am L Ps E FUBO1 5 01206 075 8818 22 usea 2819 16 100 cess um GND D
6. 02 4 R407 10K BCBA7AW GND D s2 R410 E 47K T 25 2 BC84TAW 3 s 4 a HDMI LVDS SDA sci VD 99090 E melo 806 8 MX2SL1605AM2C 126 24C512 78 D 1 apt wee vec RO 98 7 EEP EN 2 1 sors 00274 we 100 R823 3 SPI scx wet scu lt _ sc a2 1 5 4 5 SPI Do it st 83 soa lt m SP 2 100 R824 e 33 353 24512 00 VD 24C04 07 43 35 VD 3 30 VD meni X MX2SL1605AM2C 126 H 5 55 vec 20 42 7 2 e ae vee cst we 100 8925 dmn 6 HOLD so scd 5 wet SDA SDA exp 5 100 Re26 m GND D 353 24040 10 ser en E sas one MSD109CL H 83 is 132 uc 125 132 SPI ck 234 P1016 E 224 prona 134 SPI DO Iz SPLCD 2 esas 3 194 2 cproz
7. 224 HOMI SINK XD HDMIL Lien 77 noa v 122 Emm 4 79 veers 23 SINK RX2 med uoma 3 vp m S a 2 M ze HDI SINK RL 72 HDMI2 beni SO res BCHA7AR gt miri HDMIZ AE ps32270FP80G 2 HDMI SINK 3 3V_HDMI E 70 HDMI SINK RKO m 3 100K 29 veces Ese z 22 SINK 3 2 veess 22 del 4 mra erk 68 21 ei HOMI SINK CLR al ue gel EH anes fex mwrsmece Say of 66 35 58 158 E ETT SE EN 35 ITE mra aci SCL2 I2C CTL EN 37 RA31 i00 HDMI SINK SCL L ana naz SDA SINK Ir 36K HDMI2 HPD 62 2 Tag RA33 100 5 61 POW2 HPD SINK 40 HDMI SINK SDA E pu aov mm EE E T sm 28 Kg 97 83 DA02 581078 Cee 48 ows 204 EEEEBEEEE e E mis pis naoa 848 HDMID RX24 HDMI2_Rx2 24C02N 108127 us SV X 1 ort enep mma wo WW W e 2 HDMI2 RXl Ye di dA we Ai 2 g ggg 5 oe dg d di 55 HDMIIRX04 5 m 4 go zm ga fe gg ge 8 e Lance E di dH Hi HDMI2 HDMI2 100
8. A amel 4 TRL 4 76 5 4 sages 3 s Hc1038 158 3 08 GND D wea scu 007705 5 7 4 vss soa 4 47 Viis mand 2103 aoa VCLK O READ ONLY ze E laii 26201201517 2105 o VGA_R_IN 8 00121 1 003102 Sc2 Lour 2107 470MHz m02 PkspsvoLsuy PE 9V L114 26201201517 a5 UT m Sc2 HJR 413 PB 1 R137 10k RIN R138 501 10K LIN i MSD109CL H cis3 100 001 F2 53 R174 100 A AUOUTL2 a casa Pa 200 i 0 22 73 Ri72 10 29 178 lu 57 AUOUTLI 74 78173 100 UVZ EIN s aom Fie 0 Ca 2 AUR auovrzo 22 rmm Er S4 Zu 3 LIN AUCUTRO del gal R151 RIN C150 iu AU us UM ens us T LIN 1u 128 OUT 230 ala GR RIN 1u gaja 226 an AUR 128 ovr ws 26 23 3 VD 142 1u i zs om an 25s rse mw 3 yer E AULA 128 OUT MUTE CEC AV RIN AUR3 w109 67 4 ESDSVOLSUY AUVEM 5 006 65 5 E gt paner E 65 PIS 007 AT 1 8 222 ODE P x nine PRIM AUD OUT L ge 128 IN WS 5 afc 89 ge x 223 128
9. ne T mams Dar ampe mms xem MDATA13 MADR amp MADRE MDATA12 227 MADR MDATA11 MADR10 MADRIO Xe 2 E NA B x MP 257 wx 258 RASZ FEM H Fl s 42 5V DDR 42 5V DDR gel gs i s Nso2 eer HYB25DC256163CE 4 0 4503 T 2 HYB25DC256163CE 4 0 as 1 8 Gv Suysel sal vobi 85 les yop En 22 D Sf jas vopg9 vopg3 E 45 5 SET T E MLK ac ick VDDQSS VDDQis CKE 1 55 0061 msm i 8 ns 56 22 MDATAIS 23 CASZMO 2174 MDATAl4 22 4 s vi 24 E Doz MDATA13 CASZ 2171 CAS I 18 MDATAl2 0 WEZ 24 ME Do2 PENIS 20 Dos MDATAli cs mel MDATALO 8529 56 20 pes Econ 22 8512 ig UM 06 DATAS Dans C Eee 2 005 a7 MDATAS et 4 um Dos poso C jA 8842 5 unos nos MDATAT a 51 Do7
10. o 002 1 9162 lt NOGI l AOS 28324 929 a i EJ BSS mao JN we it e e 5081 v1 x vos 1 gt 1 eet 3 1 3382 i M 5050 Ji xi 88 0 9 60 gt wy 5 BS si wo wy ih 85 PB 2 lt AQOV 16 EN 2 5 5 x 7755 CT 2 ip 2o zl 1 aw 2 E e 5 15 Me Sx J 4 BS a 8 x My 8 5 acl E UOO0 EI S 8818 9 ssl T SW Ba 4 a AC eu z450 oe 0501 X507 lt a lt C 000 2 3 1501 i 275 33u 504 R501 5 x o 220n C505 AC250V 9 OVAOGE WPL s IVA 70913 APPENDIX A Main assembly LCD 37XR9DA B MAIN COMPONENT AND IT S NO MSD109CL 5270109001 R2A10406NP 5271040601 Data processing board 6 0406900 6353 5276353001 PS321TQF 5270321001 R2A15112FP 5271511201 iRboud Keyboard Power board APPENDIX B Exploded view LCD 37XR9DA B O RSS PART LIST OF EXPLODED VIEW NO DESCRIPTION PEU NES Power switch 9 jPowerboad Cd D
11. 2 4 5 7 8 1 1 8537 578538 42 5y DDR RS39 22 DDR MEMORY vil iaa x BLK Rese 5 PWM 9 7 O o z WAN Rz E 8 5V_S7B Lo wem prs iv veos 45V STB mecs aw 8 xii EM er ds Qn y xm GND D 8857 BCB847AW 806 8 sme peo LO 3 a xo L ces 738 007783 Ex alg nase i t paspsvondue ds aav Hi 1 ES E 3 4 R854 vaoa MS T og gat ad ok 218 N 7 asv 3 1 1 802 xo SE GND D LI ss d GND D iav
12. 002182 Pr2 INPUT R234 GINOP cies R235 47 C2124 47n RINOP BIM GINM RINM VCLAMP 002 1 VGA HSYNC 002 1 VSYNC EE Raso 390 1 45V PI 1215 STPB2012 201PT oon C220 as doro c222 223 39 48 cies 82 1001 225 R251 218 R261 0226 47 vini MMBT3904 aT p AV INPUT R262 75 AV_CVBSOUT RGB1_GIN 5 cis HGEI EUGIN R253 47 RGBl BIN c199 sib x110 10 200 DB sac PISV330 R254 47 RGBl RIN 4052 SEL IN 007 04 gt av_evasour VIDEO IN OUT MDATA31 MDATA30 MDATA29 MDATA28 MDATA2T MDATA26 MDATAZ5 MDATA24 MDATA23 MDATA22 MDATA21 MDATA20 MDATA19 MDATA18 MDATA17 MDATA16 MDATALS MDATA14 MDATA13 MDATA12 MDATALL MDATALO MDATAS MDATAT MDATAG MDATAS MDATAA MDATA3 MDATA2 MDATAL MDATAO 42 5V ADDR 501 MSD109CL H a Q 281 DQMi 5 wei 083 220 Dgs3 a eee T ae
13. 11 Las Sac ca S emn 128 IN SD g 2 2n ag ae E 8 224 E SPT SPDIFO PRIM AUD OUT R T 008 C4 gx 166 ON Li e lt Tiza RST 6353 noe CI PWR_ON OFF lt 005 82 12 0 DATA 006792 mn 006 F2 ARE R170 00 129 100n 103 HIR 03A OR x110 GND D sc2_LOUT 2 0 Ex B 38 8 aa x107 B AV13 06 526 mor C R222 T AV LIN m oe av nmm AV RIN C av_evasoun 4 a mss AV OUTR d g H g GND D cio 10007 GND D PESDSVOL4UG x109 N106 HJR 613 PB 1 Y2 INPUT Pb INPUT Pr2 INPUT s a 1 w108 PESDSVOLAUG 2 10007 GND D AUDIO IN OUT RGBl BIN C204 47n 501 MSD109CL H NGEI EUGIN caos BINIP SOGINL NGEI GIN GINIP Pbl INPUT R231 47 C208 47n RINIP zwPur 1 6205 BINOP R233 47 c210 47m SOGINO 002 83 Pra 002182 v2 VGA IN 002182 Pb2 INPUT VGA IN
14. 14 SHE 20 1 1r outio mom im 3 M port E 8 RRFINPUT Lr BF AG s sr C er sca a 5 R113 45V TUNER 2 Toon 12 9 IF outii GND A 100KT 10n Gm M TIT A 5 83 4 amp cha ama a gt 8 a o oa a TRE AGC GND A N N e sl al e e CND A 1 1101 canat Lens cen C122 9 1u GND A R127 STBL2012 501 10n T soy T1000 220p lon 1102 naa 2012 50 GND A mii amp 100 1103 R117 h00 TM STBL2012 501 GND A 5 SCL 07 4 228 oy 22032 4 PN T ion GND A Gup b GND A DE 1 8y DE 41 8y PDE DE EST caor 3 3V DBE CORE 220 agon an 9 85 8 TV FAT o 485 88 58 ag A 8 85 assis 33398 555555 S882 882338 58888 8288 858353 88888 ae cIs9 3 uos 582 GND A dU si Mun 1 8y DE 1 8y CORE E 5 vm E maia E 220 1002 31 is r TV FAT IN vis MOCLK TS MICLK 48V 3 3 DE amp 1 8V ADE pes TSMDI 0 T mo E ES mein aalselestsalsal sel se 42 51 i sash sess iL asi 22 2 SBTRBTRBTRBTRBTRBTRB BY socer nos 52 moe 2 TS MDI 4 as Aaa woot 55 t TV IF 32 57 F 4 57 TS 6 cnp D Tides NJO1 MOT TS MDI 7 34 a ROLE TS MIVAL RF
15. 222 me Device Restore HDCP Config Connect Dis Con Src C Documents and Settings oceco MR TE dvb bin 2008 3 25 10 09 18 ReConnect Blank Read File HDCP Key Checksum 0xB316 Key 0 Start time 14 56 16 G Program File Ready Restore Data Program Erase Message Erasing 3 Erase Multi Flashes Verify Program Message Programming E Program Erase Device Exit ISP End time 14 58 23 All Chip Type ser C File Area Erase First 512 KBytes 5 Partial Erase dew Pass Elapsed Time flac USB 264KH2 Flash Status 00 Fig5 7 Repeat step 2 and 5 to write the program to the other units without exit the ISP interface Note3 software writing and upgrade method with USB port 1 sure the USB device is formatted as FAT32 2 the program named Merge bin to USB device 3 Insert the USB device to USB port of the unit power on and select RF ATV channel begin USB upgrade after OSD disappear It will display blue when read the data from USB device while display red when write Flash The flash must be pull out when display red It will flicker in red and blue if the process of writing is abnormal 4 The method are not applicable to all the USB devices try another one if a certain USB device is inapplicable 10 Working principle analysis of the unit 1 PAL SECAM signal flow Antenna reception PAL SECAM signal will be
16. EDID Yes HDMI EDID Yes NAO8 5272402002 AT24C02 Australia only N107 5272421002 AT24LC21A VGA EDID Yes Note1 write protect setting enter ALL 100 interface select Config and press config setting set Protect to All Protect select config when writing The write protect will be set again when ALL 100 program restart Note2 software writing and upgrade method with ISP writing device 1 Main board upgrade connect a four pin wire of the ISP writing device to Debug port X806 on the main board Unit upgrade connect VGA ports of the ISP writing device and the main board enter factory menu and set ISP Mode to 2 Using Mstar writing tool on line click Connect menu if it displays Device EN25B32 as shown in fig2 the connection is success if it fails select EN25B52 of Device manually and press Connect again MStar ISP Utility 4 4 0 8 E loj xl 3s B P V Restore Connect Dis Con Sre C Documents and Settings xoceco S2 H Ndvb bin 2008 3 25 10 09 18 ReConnect Blank Read File HDCP Key Checksum 0xB316 Key 0 Start time 13 26 36 EU Restore Data Progr ijui essage Erasing Multi Flashes Verif Device is 25832 Message Programming Erase Device ExitI All Chip 5 C File Erase Area Fist 512 KBytes Run Partia
17. MADRB 29 209 57 RSI MDATAG 2052 uos gt 3e o Dolo sy MDATAS pead NIA poli eo MADRIL 0 _MADR11 MO MADRO 25 ao 1 MADR10 MADR2 32 42 2912 DATAS MADRID 0 MADR10 MO MADRI Ems 011 MADR3 32 er MDATA2 MADRS IMo_MADRS Mo_MADR2 32 2 0012 MADRA M1 MADRA M Dara s MDATAl MADRE MO MADR3 EIL noii MADRS MICMADRS 35 as MONTAD MADR M 0 1 MADRE 2716 dn MADRE MADRE 0 MADRS 36 as 0015 MADRT MADRT a7 22 MADRS IMo_MADRS MADRG 38 6 1 as vss34 MADRE MO MADRT EIL MADR2 MADRS 40 as vss4s 0 MO MADRE rm vss34 1 MADRI MADRI A17 A10 AP vss66 MADRI wADRI MADRS a 9 vssas 11 06 MADR2 2 MO_MADR1 0 21 1 vss66 12 2 5012 MADRS IMo_MADR3 MO MADRIX 5505 s sa sx M1 BAO vssosa MADRIA MADR12 H Vssos2 caszwo y 1 1 BAL vssoca BAOD 26 Bao vsso58 RASZMO wez BALD BAL vssos4 casz casz im RASZ BAO Baon BAL Remi 56 BALD 2 42 59 DDR etn ton lalalalala 100n ees 100n per iT a8 8 perpe 100m toon toon 10017771003 GND D
18. channels and input to earphone 11 amplifier BH3547F amplifying then output two ways One way will be sent to earphone another way will be sent to digital sound amplifier R2A15112FP amplifying then sent to speaker 5 HDMI signal flow Three HDMI video signals via switcher PS321 are directly fed to the master control MSD109 to digital decode image scale and OSD superposition then output LVDS drive level for panel display HDMI audio signal via decoder built in MSD109 is fed to back end to bass adjust and volume control the sound will separate into L R channels and input to earphone amplifier BH3547F amplifying then output two ways One way will be sent to earphone another way will be sent to digital sound amplifier R2A15112FP amplifying then sent to speaker Block diagram PCMCIA PANEL 1080 50109 IC block diagram 1 MSD109CL Twin turbo 8051 MCU Supports multi path TS stream input Two paths TS stream output integrated switch selection Supports both serial and parallel TS stream input Maximum TS data rate is 104Mbps for serial or 13MB sec for parallel MPEG 2 audio decoder MPEG 1 MPEG 2 Layer I II and Dolby1 Digital AC 3 audio decoder MPEG 4 decoder NTSC PAL SECAM video decoder Supports NTSC M NTSC J NTSC 4 43 PAL B D G H M N I and SECAM Multi standard sound processor Supports BTSC A2 EIA J demodulation in NTSC and A2 NICAM FM AM demodulation PAL Supports MTS Mode MONO S
19. column to your TV then remove the stand column Stand column Remove four screws NOTE The appearance of this product in these illustrations may differ from your actual product and is for comparative purposes only WALL MOUNTING INSTRUCTIONS Safety Precautions Note All the wall mounting parts are Be sure to ask an authorized service personnel to carry out setup m optional and may be unavailable in 2 Thoroughly read this instruction before setup and follow the steps below precisely 3 The wall to be mounted should be made from solid materials Only use accessories supplied by the manufacturer 4 Very carefully handle the unit during setup We are not liable for any damage or injury caused by mishandling or improper installation Below we will show you how to mount the 5 Be sure to place the unit on a stable and soft platform which is strong enough to support the unit your model 6 Do not uplift the speaker when moving the display The appearance of the unit may different from the actual ones Display on the wall using Our company s 7 Design and specifications are subject to change without notice wall mou nting com ponents 8 Retain these instructions for future reference Unit mm Take out these parts from the Wall Mounting Holder 9 05 T box dit Wall Mounting Connector 2 0 b 9 Expansion Bolt gem mm Wo
20. send to tuner TDA1616 which contains frequency turning HF and IF amplifier circuit and is controlled by master control IC MSD109 comprises CPU through 2 bus The analog IF signal via intermediate frequency amplifying video SAW filter K3953 and audio SAW filter K9656 to input to analog demodulate IC IF R2A10406NP after demodulating and output standard video signal TV CVBS and sound IF signal SIF TV CVBS will send to the master control MSD109 to video decode deinterlace and scale then output LVDS level drive for panel display The sound IF SIF will be fed into MSD109 after demodulating pre amplifying bass adjusting and volume control the sound signal will separate into L R channels and input to earphone amplifier BH3547F amplifying then output two ways One way will be sent to earphone another will be sent to digital sound amplifier R2A15112FP amplifying then sent to speaker 2 DVB T signal flow Antenna reception DVB T signal will be sent to tuner TDA1616 after frequency tuning HF amplification IF amplification and SAW FILTER output IF signal to demodulation chip CE6353 via QAM demodulation fed to MSD109 for information source decoding in the format of standard serial TS stream HD video signal via decoding to A D conversion and OSD superposition at last output LVDS drive level for panel display HD audio signal via decoder built in MSD109 resumed to multi channel sound of Dolby AC 3 audio signal will b
21. 3 1104 PP cios ts 43v 1116 sczoigpisi Toan T 223 8 Si 3 ciis 1008 a a zi on 5 120 4702 R132 75 cvs e 1 07 R133 T RE m 5 P E z BIER E a C126 2 21 R119 GND D R103 8 dev 10K TUNE Sc PORT2 5 AUDIOOUT E m 1 2um n o r 100 2 amp SDA ER_SDA VIFIN2 8 SIFOUT ERA 5 5 5 Ros eed 10 123 101 mu 39 VIFINL RFAGCDELAY 002104 z 11 24 2208 GND N101 IFAGC1 SH 45V TUNER 7 09 24 R2A10406NP 12 crs 100n IF oute Si SIFIN2 w100 gt 23 1 FSA4159 R10 ion 1P gain TV_IFAGC 5 R107 aaa g2 SIFINI y RFAGCOUT Lo 3 56 SOR 22 El
22. 33 22 21 4 TXOUTOEs 3 TXOUTIE 24 23 TXOUTIE TXOUT2E R405 33 26 25 TXOUTAEs TXCLKOUTE 28 27 TXCLKOUTEs E TXOUTJE 8406 33 TXOUT3Es TXOUTAE 32 E TXOUTAEs 3 34 36 35 36 35 37 aL o ag 2 Wn cn GND D PANEL ON OFF osca 1 1401 P83216 310 PANEL ON OFF sa 4 2 94 MODE 88 d EB 28 EB md gH gE EE 88 B8 B B BO M M M M 2 ADDR Control Register 9C 9D uour XA03 GND D EDID Shadow 9E 9F naos 24028108127 TA HDMIL HDMII_Rx2 i gt EIE 12C ADDR gt Control Register BC BD HDMI1 RX2 E o HDMIl RK2 8 Ima EDID Shadow BE BF HDMIL RXl4 5 wpwri 1 8 3 HDM QT we b h h h le h lo t f h HDMIL RXl phEbEEERRERRERRRRRRI QT Ho p mme seu 1 9 4 SRSBRRPRRESADRSREB 5 mxo soa aw 2 6 G HoMII CLE 1 iub 9 83 Qd 100 RA21 boo Q HDMIL CLK 1_ lt gt 1 Hoots I2C0_DATA 002 A5 PES WP HeREAD ONLY POWL scr I2C0 CLK 002 5 GND78 22 Ana 243 91 ae
23. 4 When dismantling or mounting the protective partition 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 1 Test equipment VG 848 YPbPr signal generator VG 849 HDMI signal generator CA210 white balancer 2 Power test Connect data processing board power board and IR board according the wiring diagram connect the power and press standby button to turn on the TV a Test the pin voltage of X808 the data is shown in tablet Table1 voltage data of X808 X808 Pint 2 3 4 5 6 7 8 9 10 11 12 13 5 4 5 6 3 2 3 11 4 12 6 31 4 32 4 85 5 35 4 85 5 Voltage 0 0 0 0 gt 2 5V V 4V V ev V 35V b Test the pin voltage of 03 the data is shown in table2 Table2 voltage data of 03 XV03 Pint 2 3 4 5 Voltage 23 8 25 2V 0 3 Alignment flow chart The alignment flow chart is shown as fig 1 Check if DDC HDCP KEY FLASH are written Combined test for general assembly White balance adjustment Connect to the center signal source and check each function of TV station leaking analog control etc check the output of earphone and speaker Input AV SVIDEO SCART signal and check the function Input HD signal and check the function of YP
24. 47 7 60 85 5 5 5 HDMI terminal Input HDMI signal VG849 signal generator separately input the signals listed in table4 and table5 and check the display and sound 32KHz 44 1KHz 48KHz at any situation power on channel switch and format convert etc 5 6 other functions check a Check the turn on turn off timer sleep timer picture sound mode OSD stereo and digital sound port etc b Check the digital program if Audio Only is normal c Check MHEG function of the digital program for UK unit d Check if Cl Common Interface is normal Check logical channel number LCN for Australia 7 f Check logical channel number LCN for France and Italy g Check OTA function for Australia special custom 6 Presetting before ex factory Enter user menu LOCK page select Restore Factory Default to preset the ex factory Clear the program information b Clear VCHIP parental control etc c Setthe default data of user menu d Set Menu Language to English e Set Power on Mode to Off T Software instruction Table5 software instruction No Code No Type Function written before Method paste Yes Written with device like ALL 11 N810 5272532003 EN25B32 100HIP FLASH write protect refer to note1 N807 5272404002 AT24C04 HDMI KEY Yes Written with device like ALL11 NAO3 5272402002 AT24C02 HDMI EDID Yes 04 5272402002 AT24C02 HDMI
25. 94 74 18 720p 59p 8 1280X720 45 60 74 25 720p 60p 9 1280X720 37 5 50 74 25 720p 50p 10 1920X1080 33 75 59 94 74 25 1080i 59i 11 1920X1080 33 75 60 74 25 1080i 60i 12 1920X1080 28 125 50 74 25 1080i 50i 13 1920X1080 67 5 59 94 148 35 1080p 59p 14 1920X1080 67 5 60 148 5 1080p 60p 15 1920X1080 56 25 50 148 5 1080p 50p 16 1920X1080 23 94 24 17 1920X1080 25 x 18 1920X1080 29 97 30 5 4 VGA terminal Input VGA signal VG848 signal generator separately input the signals listed in table4 and check the display and sound If the image is deflection of the Horizontal and vertical select Picture gt Screen gt Auto Adjusting to perform auto correct Table4 signal format H frequecny Point clock pulse No Resolution V frequecny kHz Note kHz frequecny MHz 1 640X480 31 469 59 94 25 175 IBM 2 720X400 31 469 70 086 28 322 IBM 3 640X480 37 861 72 809 31 5 VESA 4 640X480 37 5 75 31 5 VESA 5 800X600 35 156 56 25 36 VESA 6 800X600 37 879 60 317 40 VESA 7 800X600 48 077 72 188 50 VESA 8 800X600 46 875 75 49 5 VESA 9 1024X768 48 363 60 004 65 VESA 10 1024X768 56 476 70 069 75 VESA 11 1024X768 60 023 75 029 78 75 VESA 12 1152X864 67 5 75 108 VESA 13 1280X960 60 60 108 VESA 14 1280X1024 63 98 60 02 108 VESA 15 1280X1024 80 75 135 SXGA 16 1440X900 60 17 1680X1050 60 18 1360 768
26. INT 18 ooo soos 326 ik 138 j ik 225 iuo 139 d lt 126 eo 127 148 STANDBY c 138 P2 SDATAO f Dosser EM spata 42 CARD SVEN EN spama2 120 CARD 3 3VEN Em 222 saro SDATA CARD SARL 123 152 1234 sana spwepz Hez MUTE PH C SAR3 som PH os 4052 SEL HDMI SINK SDA 9 17 288 monr SINK Sch 18 06 22 ns 120 80038 soa Loses 129 coifa ns 130 001 88 5 294 293 ahy En 33 RXD UPDATE SR A UART TX 033 UPDATE El 13 2V_MPLL 1002 209 PES ses MAXi232CSE 1334 2 vov RXD UPDATE i 7 12 TXD UPDATE 2 2 2 gt m1 cd 0276 ve GND ES 88T u 3 TOUT a 818 T 5 12 c2 Riour a E minm 4 m 1 10 Si 2 ram R20UT 2 o Yoon t n xeos JY 35411 01 030 100 100 e Frasm we DEBUG PORT CARD 3 3VEN lt 501 MSD109CL H CI CI DATAS CI DATAS TSODATAO CI DATA4 TSODATAl CI DATAS TSODATA2 CI DATA2 TSODATA3 CI DATAL TSODATA4 CI DATAO TSODATAS TSODATAG TSODATAT CI Al4 CIA TSOVALID CI A12 CIAM CI A10 TS1CLK CI A9 TSLDATA CI AB TSlVALID CL AT TS1S
27. LEV CE6353 MOVAL ECC RI T 1 8y_DE MOSTRT E a SEES T mm 21 224 EKER Ts ssTRT 254 LAE we 3 3 _DE E PLLGnd STATUS 5 8 33 10 R22 i 5 ks 5 SLEEP t 29 158 2 who appa TRO cxx A RES 35 5 RI26 100 TUNER SCL 10 35 curse 5 s oe SDA 007 4 PEN DATA2 GPPI cun 5 007 TUNER SDA a m 8 gle 3 IE 8 RST 6353 2 2M 0027 5 33p 33p H GND D TUNER IF x106 JY 3541L 01 030 mias 10K VGA LIN To kx P T Ed eee mI C144 3 TP Biss 33 VGA HSYNC 45V VCC VGA EXDUPDATR 003 D3 007 D5 jeji s N104 N107 uiu PESDSVOLSUY 2ALC21A SN vis Hgg Ta ERN Xv vec mieo miez mes
28. NALOGTV DVB T Video YPbPr VGA if they are not up to the mustard then adjust and store the data separately The reference of adjustment rule is below B gun lower B gun to increase X Y coordinate data while raise B gun to decrease the data R gun raise R gun to increase X coordinate data while lower R gun to decrease the data R gun adjustment will affect X and Lv slightly G gun raise G gun to increase Y coordinate data while lower G gun to decrease the data G gun adjustment will affect Y and Lv greatly 5 Performance check 5 1 TV function Connect RF to the center signal source enter Channel menu auto search check if there are channels be skipped check if the picture and speaker are normal 5 2 AV S Video terminals Input AV S Video signal check if the picture and sound are normal 5 3 YPbPr YcbCr terminal Input YUV signal VG848 signal generator separately input the YUV signals listed in table3 and check if the display and sound are normal at any situation power on channel switch and format convert etc Table3 YUV signal format H frequecny V frequecny Point clock pulse No Resolution Note kHz kHz frequecny MHz 1 720X480 15 734 60 13 5 480i NTSC 2 720X480 15 734 59 94 13 5 480i NTSC 3 720X576 15 625 50 13 5 576i PAL 4 720X480 31 469 60 27 480p NTSC PROG 5 720X480 31 469 59 94 27 480p NTSC PROG 6 720X576 31 25 50 27 576p PAL PROG 7 1280X720 45 59
29. PT 823 0827 toa 842 ceas tage tease Lease ge Sgar Sg pesi gt was ioon TET TT eee 012 2 1 1809 3 3V ADC 810 3 32V p 42 5V DDR 012 201 1801 9504 1802 STPB2012 201PT 511172275 STPB2012 201PT 1811 3 3V_OTG rr gt rr 012 201 te caza ceas Loess Lcsas tcossteoss Lces7 Lcaso coer lics2e mE xs 2 5V ADDR ELA 13 3V LPLL 4 7u De Lee Ts pee 1001 sremadiicacipr 1813 43 3V MEMPLL GND D 012 1 LLL 1 43 3V VDDP 43 3V AU 43 3V SIF 4 u 30002008 Fion Tion Ti00n p100n Tion Tion emn 3 43 3V_OTG 43 3V LLL 23 3V 3 MENPLL m 43 3V 53 3V DE 41 8V DE t t t wa LJ04 826 C82 C831 C833 837 1 841 845 851 C855 C859 C863 C864 Fray 2012 201 pens Tata Tice ttn 100m 4 7u Tion famu p ion Tion ADI m oue r oe 00723 Eg gE ER go GND D GND D GND D GND D GND D GND D 5 8 Eu Erai Bn EE FE 88 5 3 3V HDMI 45V STB 43 3V MPLL maos 1117 55 3 117 393 002 5 IN m IN OUT pl 29 8 caL Enh 28 pl 25 84 S88 28 88 288 387 86 38 T 38 BERT 85 4 MCU POWER GND D
30. SANYO FILE NO SERVICE MANUAL LCD 37XR9DA B PRODUCT CODE No LCD TV 1 682 348 98 CCIR DVB T REFERENCE 5 0915082 CONTENTS Seis D 1 Alignment instructions and method of software 3 Working principle analysis of the eese 11 ret te alate 12 IC block diagrami et 13 WINING AGIAN iess ieie a 18 Troubleshooting guide souris Ne bU 19 meet 24 APPENDIX A Assembly list APPENDIX B Exploded View Removing or Installing the Stand Wall mounting instructions 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 Do not touch here and there by hand at will b Be sure to use anti static electric iron C It s a must for the welder to wear anti static gloves Please refer to the detailed list before replacing com
31. TEREO SAP in BTSC EIA J and MONO STEREO DUAL in A2 NICAM Digital Audio Interface Analog RGB Compliant YUV input Ports Two analog ports support up to 1080P Supports PC RGB input up to SXGA 75Hz Supports HDTV RGB YPbPr YCbCr Supports Composite Sync and SOG Sync on Green separator Automatic color calibration DVI HDCP HDMI input ports Supports up to 225MHz 0 1080P 60Hz with 12 bit deep color resolution High bandwidth Digital Content Protection HDCP 1 1 compliant receiver High Definition Multimedia Interface HDMI 1 3 compliant receiver with CEC Consumer Electronics Control support Video Processing amp Conversion 3 D motion adaptive video de interlacers with edge oriented adaptive algorithm for smooth low angle edges Automatic 3 2 pull down amp 2 2 pull down detection and recovery 10 bit internal data processing 3 D video noise reduction Output Interface Supports up to 10 bit dual LVDS full HD 1920 x 1080 panel interface Video output port Supports CVBS S video bypass output Built in video encoder for encoding digital video into CVBS output Miscellaneous Supports DVB CI port conditional receiver USB 2 0 port can be connected to the external equipment for software upgrading 13 2 CE6353 RF level in 7 bit ADC IF to Pilot amp baseba nd channel IF in conversion amp processor interpolator Symbol IF AGC tid amp timing out Impulse recove Secondary 2 wire bus contro Primary 2 wire b
32. Urn fa gt NE CE 0758 0290 im m DES SES e TR xi 8TZH Ase a Do Bw W 4 2 Nc i 1 AGS Gru noze X001 En 55 6560 D n0007 xe Ba amp ASE S BESI 5 qe 0007 MG PI ur DB Ase 10 SSH E AL 53 yx LESQ aX 999 2769 l gle cute eg z Pa 5 1 S eHe 8 DTS gt 4 nooee we yee T cH 0508 a SR Erde e TS 5652 ay E v ico 5 g 076 MEE Eo 5 Bo T ESSE 8 RA 5 5 DS an 1 2 SFA elj sot o gt me a Lhe Tits Bw 2 VIEVWI Or e D D re 2 9 59 60SN lt d A i cmm EN E Sz was lt 28 iD 252 H E 25 no mo Mo vo we io a a mx ite 05 E Ba a onY AOS 7750 oT TS 965 tw T LO0PNT apto TEJ E BS c nas e yi e 595 4 ain dier Be A0 su 32 uy zz sf RB 8 vega ESA z t M remi 8202 6050 16 Qm pes DM 1 Te 1 t 52 165 Seso 2 7050 4 D ira E 5252 OF 208 E lt 0056255 eua AE H6808V H1S 3 9265 Bo EOSN 4 4 54 2
33. YNC CI A6 CI AS CIA CI A2 CLA CI A0 cr RD CI WR PCMOEN PCMNEN PCMREG CT_CLK PCMCEN CI CS PCMIRQ CI INT PCMWAIT CI WACK CI RST CI cp ES NES Dmt ers au mi Ft 8407 MISC PCMCIA STANDBY 007 c3 MUTE AMP 002 A5 PRIM AUD OUT 1 gt gt 114148 PRIM AUD OUT R gt MUTE PH 1 22 31 M pvoa a i los save oon TN ao al al al 8 EE caras ness fp Rose vei 7 annaa lis avec vss ac amnis jj ncas 5 1902 cva7 ate AJSO3AY 150M 30027 a amn TJC3 04A NC17 HBL iih 1 D Levas 35V neue ncaa Fy Faron ny 2 ROMISI2EP a2 um 3 ATSO3AY 150M m2 Me 1 asv TVOS 52026 Tiron Lcra S 2uA bs cuock 39 Phe VREF n hs Leva PROT Poy Tri00n lu 1
34. ata processing board User manual Remote Control PART LIST LCD 37XR9DA B ver 1 o Xi6637421080 Frontcabinet o S Xi35HEo0300 lRboad 112 15203378307 Panel 1 T370HWO03V501 Xi635HE00200 Keyboard 11 S fp _ 161511400 Pedestalbase o S Xi635HE00301 Power swith 1 0 0 XI6HEO402010 Power board 1 Dataprocessingboard 1 Xi5944035230 User manual S y 12 Remote Control 1 e Only the parts in above list are used for repairing e Other parts except the above parts can t be supplied 1 4 4 o 7 Xi673742K020 Backcabinet l 8 9 41 mo 2 1 2 3 4 5 7 10 11 12 Assembling the stand and removing the stand column Option If the stand is provided please read these instructions thoroughly before attempting this installation You must install your TV into the stand in order for it to stand upright on a cabinet or other flat surface If you intend to mountyour TV ona wall or other vertical surface you must remove the stand column Cautions Make sure that you handle your TV very carefully when attempting assembly or removal ofthe stand If you are not sure of your ability to do this or of your ability to use the tools necessary to complete this job refer to a professional installer or service personnel The manufacturer is not responsible for any damages or injuries that occur
35. bPr Input VGA signal and check if the display is normal check the function analog control horizontal vertical center etc Input HDMI signal and check if the display is normal check the function analog control horizontal vertical center etc Preset Tum Check the accessories and packing Fig 1 adjustment flow chart 4 Adjustment instruction 4 1 Unit adjustments 4 1 1Connect all the boards according to wiring diagram then power on and observe the display 4 1 2 Method for entering factory menu a b 9 m Press SOURCE 2 5 8 and 0 in turn to enter factory menu Press and to move the cursor to the adjustment page of the level one factory menu then press OK to enter Press and CH to move the cursor up and down Press VOL VOL to adjust the item when the cursor move to a certain adjust item Press MENU to exit to the previous factory menu Press EXIT to exit the factory menu at any situation Press OK to enter the sub factory menu ADC ADJUST ADC calibration of VGA Component channel W B ADJUST white balance adjustment POWER Mode set the turn on modes Standby standby when power on Mem memory ForceOn power on ForceOn can be used for aging set the power mode to Standby when preset ex factory unless the client appointed it ISP Mode ON soft upgrading through port wi
36. bles according to the table below 1 1 Antenna signal Picture is out of focus or jumping Bad status in signal receiving Poor signal Checkifthere are failures with the electrical connector or the antenna Check if the antenna is properly connected Fringe in picture Check if the antenna is correctly oriented Maybe there is electric wave reflected from hilltop or building Picture is interfered by stripe Possibly due to interference from automobile train high shaped 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 on the screen 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 Checkto see if the power plug has been inserted properly into the socket No picture and sound Checkto see if the power supply of liquid crystal TV has been switched on As can be indicated by the red LED at the front of the TV set See if it s receiving the signal that is transmitted from other source than the station Checkif it s conn
37. due to mishandling or improper assembly When using a table or bench as an aid to assembly make sure that you put down a soft cushion or covering to prevent accidental scratching or damage to your TV s finish The speaker is not intended to support the weight of your TV Do not move or handle your TV by the speaker This can cause damage to your TV that is not covered by the manufacturer s warranty Before attempting assembly or removal ofthe stand unplug the AC power cord To install the stand Remove the stand from the box and place it on a table or bench You must pay attention to the direction of the stand The wide portion of the stand should go towards the front of the TV 2 Lay your TV flat screen down on the edge of a table or bench Make sure that you put down a soft cushion or cloth so that your TV is not scratched 3 Insert the stand column into the stand socket move the column steadily until the Locators on the column align with the locating grooves on the stand And align the holes in the stand with the holes in the stand column then secure the stand to the column with four M5 screws provided Locating grooves M5 screws To remove the stand from the TV perform these steps in reverse order To remove the stand column Lay your TV flat screen down a table or bench Make sure that you put down a soft cushion or cloth so that your TV is notscratched 2 Removethe four screws holding the stand
38. e sent to back end to perform bass adjustment and volume control then it will separate into L R channels and input to earphone amplifier BH3547F amplifying then output two ways One way will be sent to earphone another way will be sent to digital sound amplifier R2A15112FP amplifying then sent to speaker 3 AV SV signal flow SV signal and the first path AV signal switch automatically via S terminal socket the signal and the second path AV signal will be fed to MSD109 to perform video decode deinterlace and scale then output LVDS drive level for panel display Audio signal from AV SV via matched resistance is fed to external audio switch HEF4052 to switch then it is directly sent to MSD109 to bass adjust and volume control the sound will separate into channels and input to earphone amplifier BH3547F amplifying then output two ways One way will be sent to earphone another way will be sent to digital sound amplifier R2A15112FP amplifying then sent to speaker 4 PC YPrPb signal flow PC and the second path YPbPr signal are switched via external switcher PI5V330 then the signal and the first path YPbPr signal will be sent to MSD109 A D conversion output R G B of 24 bit to back end module to digital decode image scale and OSD superposition then send to LVDS level drive for panel display Sound signal of PC YPrPb via matched resistance and a c couple are sent to MSD109 to bass adjust and volume control the sound will separate into L R
39. ected to the wrong terminal or if the input mode is correct Checkifthe signal cable connection between video frequency source and the liquid crystal TV set is correct Deterioration of color phase or Check if all the picture setups have been corrected color tone Screen position or size is not Check is the screen position and size is correctly set up proper 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 19 crystal TV set and make proper adjustment according to the signal types Picture too bright and there is Check if the contrast setting is too high distortion in the brightest area Possibly the output quality of DVD broadcaster is set too high t 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 Check if the setting for the brightness is too high the darkest area of the picture Possibly the brightness grade of DVD player broadcaster is set too high No picture or signal produced from Check if the cable is disconnected the displayer if XXX in search Checkifit s connected to the proper terminal or if the appears input mode is correct There appears an indication Check if the TV set ca
40. fore it must be packed in a strong case before the transportation 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
41. l Erase Setup Pass elapsed Time 2 USB 264KHz Flash Status 9C Fig2 Device EN25B52 successful connection 3 Click Read and select the file written MERGE bin for example as shown fig3 NStar ISP Utility V4 4 0 8 BAR 2 m B P V Restore Connect Dis Con 3 HE AddAU 20080124XSZAXProjectVD VB S3PNReleaseVAERGEbin Hexfiles File Status Checksum 0x9BFD Unused Bytes Start Addr 04000000 0x00 C OxFF End Addr Batch File Elapsed Time 2 USE 306KHz Fig3 the written file 4 Click Auto select All chip program and other items as shown if fig4 MStar ISP Utility V4 4 0 8 ini Connect Dis Con Src C Documents and Settingswoceco VR BI Ndvb bin 2008 3 25 10 09 18 ReConnect Blank Read File HDCP Key Checksum 0xB316 0 Restore Data Program Erase Message Erasing Multi Flashes Verify Erase Device v Exit ISP All Chip Type gt C File Area Erase Area First 512 KBytes Partial Erase Sep Elapsed Time 2 USB 264 Flash Status 03 Fig4 selected items 5 Press in fig4 to begin writing and there are two steps Erase and Program 6 Ifthe process of writing succeeds it will display Pass near Run as shown in fig5 MStar ISP Utility 4 4 0 8 _ 0 xl i
42. ly check yes if the red indicator is light in the STANDBY Press POWER button on the Check if SVSTB of X808 11 on main board is normal unit or sensor control and check the indicator blue Check if the PIN1 of X808 on Check STANDBY circuit of 222 main board is high level power supply board yes Check power board and back light board Check the backlight control circuit on the main board 21 red Check if the PIN13 of X808 on main board is high level yes Check power supply board 2 2 Backlight but no picture Check if the unit button Does display OSD and remote control menu on screen when operation press menu button Check if all channels have no signal Enter factory menu Replace main initialization EEPROM board then turn off the TV turn on again display picture Replace main board Adjust main board again 22 2 3 Picture but no sound Replace Check if NV02 pin4 Check if NV02 Is there sound in ed 1 s ANNOS 5 32 33 are 24V 10 27 are high earphone voltage Check the audio output circuit of the Check 24V f A If 01 126 148 Is there sound when supply of power are low voltage touch CV04 CV05 board and the path with probe between XV03 and NV02 on main board main IC Check the path between 501 pin Check 126 148 and amplify circuit NV02 10 27 Replace 501 2
43. n 8 If you want to dismount the unit do the above steps in reverse order confirm to the diagram illustrated above the wall mounting holder Fig 5 SANYO SANYO Electric Co Ltd Dec 2009
44. n 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 Check the distance or angle from the monitor Check if there is any obstruct between the remote control and the TV set Check if the remote control signal receiving window is exposed to strong fluorescence No picture and sound but only 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 Check if the mute audio frequency setting is selected Check if the sound volume is set to minimum Make sure the earphone is not connected 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 display correct picture signal 20 2 Troubleshooting guide 2 1 No raster Turn on power supp
45. od Screw 1 Rear wall mounting hole center Combination Screw ar Wall mounting fix hole center Fig Fig 2 l There are three options of wall mounting 2 Due to the wall mounting fix groove leaning to the Screw 4pcs expansion bolts to fix the 3b If your wall is a wooden structure please holder with different specifications right side the whole unit will lean to right side after wall mounting holder on the wall fix the wall mounting holder on the wall 200200 200400 200600 Please check your installation please carefully measure the position of with 6pcs wood screws the holes you want to drill refer to the parameters wall mounting holder for its specification on Fig 2 when drilling the holes Note The X in Fig 2 represents a data It may be 200mm or 400mm or 600mm 7 Push rightwards carefully until the wall Fig 4 6 Let the display unit slowly slide down to mounting connectors fully slide into the right fix grooves and be sure the mounting 4 Use the 4pcs combination screws to fix the end of the calabash shaped hole the wall mounting connector to the rear 5 Put the back of the display unit close to the wall Fig 6 of the display unit Caution the direction mounting holder insert the four wall mounting of the connectors should be strictly connectors into the four calabash shaped holes o
46. ower is on or in the course of operation the power must be cut off immediately 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 would be unable to work and no way to get it repaired If the connection wires connections or components fixed by the thermotropic glue need to disengage when service please soak the thermotropic glue into the alcohol and then pull them out in case of dagmage 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 There
47. ponents that have special safety requirements Do not change the specs and type 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 p
48. re is data in EEPROM after software upgrade please perform Reset All before the first adjustment 4 2 ADC calibration 4 2 1ADC calibration in VGA channel a b 9 Switch to VGA channel Press SOURCE then press 2 5 8 0 in turn to enter the level one factory menu Move the cursor to ADC ADJUST and press OK to enter the sub menu Input VGA signal VG 848 Timing 856 1024x768 60Hz Pattern 920 Gray 8 step H Move the cursor to mode press CH and CH to select RGB move the cursor to AUTO ADC and press OK to adjust automatically till complete 4 2 2 ADC calibration in YPbPr channel a b 9 Switch to YPbPr channel Press SOURCE then press 2 5 8 0 in turn to enter the level one factory menu Move the cursor to ADC ADJUST and press OK to enter the sub menu Input YPbPr signal VG 848 Timing 978 483P Pattern 984 SMPTE Color Bar Move the cursor to mode press CH and CH to select move the cursor to AUTO ADC and press ENTER to adjust automatically till complete Input YPbPr signal VG 848 Timing 978 483P Pattern 984 SMPTE Color Bar Move the cursor to mode press and CH to select YPbPr SD move the cursor to AUTO ADC and press ENTER to adjust automatically till complete 4 3 White balance adjustment The default of color temperature of COOL is 12000K and the coordinate is 272 278 color
49. temperature of NORMAL is 9300K and the coordinate is 285 293 color temperature of WARM is 6500K and the coordinate is 313 329 4 3 1 Adjustment steps Before the white balance adjustment please let the unit working at least 30 minutes and at a stable situation use BBY channel of the white balancer CA 210 a b 9 Switch to HDMI channel Press SOURCE then press 2 5 8 0 in turn to enter the level one factory menu Move the cursor to W B ADJUST and press OK to enter the sub menu Input DVI HDMI signal 1024X768 60Hz 16 step Gray Timing 856 Pattern 921 Move the cursor to MODE press and CH to select HDMI or other HDMI channel move the cursor to TEMPERTURE and press CH to select COOL Fix G GAIN adjust R GAIN B GAIN and let the color coordinate of the fourteenth scale be 5 f 9 272 278 Fix OFFSET adjust R OFFSET B OFFSET and let the color coordinate of the third scale be 272 278 When adjusting please keep the color temperature of high light to be 272 5 Y 278 5 the low light to be 272 8 Y 278 8 Move the cursor to COPY ALL and copy the data to the other channels Check if the color temperatures of NORMAL and WARM are up to the mustard low light acceptable error 8 high light acceptable error 5 if not adjust R GAIN B GAIN R OFF B OFF Check the color temperature of COOL NORMAL and WARM of other channels A
50. th ISP device OFF DDC function of VGA the setting will not be memory and will be OFF when power on again REST ALL initialization of the factory and user data after this item is confirm the unit will restart and display the guiding image Factory Data Reset factory data initialization including white balance adjustment ADC calibration and other adjusted data Factory Channel Preset preset the factory channel please connect to the center signal source when operating the present digital frequency is CH28 529 5MHz CH33 564 5MHz for Australia and CH45 666MHz for UK if the signal changes perform DTV manual search in 4 o p q 5 9 Channel menu and the operation needs 15s or so MST Debug the default is OFF OFF RS 232 should match the design criterion ON it should be convenient for using exploitation tool to adjust The setting will not be memory and will be OFF when power on again Backlight adjust the backlight brightness adjust the data and test the voltage of X804 pin2 PWM let the voltage to be the corresponding PWM voltage which the brightness is maximum It will be preset and doesn t need adjust SSC Adjust adjust the frequency spectrum expand it will be preset and doesn t need adjust AUDIO Curve adjust the sound curve it will be preset and doesn t need adjust Picture Mode set the picture values of each channel Normally they are preset and needn t adjust The
51. us The chip comprises 8 2 bandwidth SAW and supports demodulation of 2 7MHz and 8MHz 2K 8K carrier and supports both serial and parallel TS stream output stream out 3 R2A10406NP FORTI REF INPUT SIF IN1 RF AGC OUT v CO FB GND IF AGC FILTERI VIF N1 RF AGC DELAY VIF IND VIF frequency corresponds to 38 9MHz SIF frequency corresponds to M N B G I D K and SECAM L L 2CBUS control 14 4 PS321 92 SCL SIMK SDAA SINK The chip supports both 2 control and I O control mode supports both internal and external EDIT 5 R2A15112FP 15 GAIN1 GAIN2 R2A15112FP has a maximum power of 15W typ 2ch VD 24V THD 1 SE ata 4 load tem Symbol SAIN GAIN1 GAIN Value 215 dB 27 5 dB 31 5 dB G G4 H H amp PEM 6 TDA1616 16 Antenna power RF in 17 speaker power board power switch Wiring diagram X807 XB08 X401 X801 data board XB03 X809 XV03 Xvoa key board X801 x902 IR board 18 Trouble shooting 1 Fault clearance Before servicing please check to find the possible causes of the trou
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