COLOR MONITOR SERVICE MANUAL
Contents
1. LE L HSTA SA XPoM 3 3K EB M e SUR MI GON 0503 R532 3 KIA7Q42DIP Q52 354 SUR 160U 15 e 2501 2 A TK KST3904 e RSAP 1 2 4 7K Tm eil RAG 1 AA 4 XK RSA AN 2 4 7K lt R541 R525 2 A TK 4 7K 2 4 7K 1 2 4 TK SUR 63 4 653340 2 AA RSAS WE A 7K HEK R571 1 WE 4 7K RSZ9 A pes R572 1 CA R512 2 4 TK R573 1 2 A 7K A R592 INUON To AA AA gt Ah 0501 EE 5 4 7K 1 2 1 2 0505 TV412PLCI pee a a N 42 R514 1 4 1 DAL VSYNC 44 2 SYNC 1 4 N A 2 DA HSYNC 437 RS 1 SYNC x3 Rulon 3 DAS 24 m 4 3 094 1 Maps lt 4 RSI 1 2 5 9 DAS e 1 m prm c4 x i AN Fl C2 Dire ECCE2. MS 3 1 2 393 3V PL e Se QN 8204 3 3UD 3 3 gt AVDD es 2 500 3 Coni 1 2 gl in o l nl ela x S ZI m lt l ol 5 1 2 e 0403 A D WO KI 0 OF l iuniu 00 Cama 1 2 25 e HHQA n0nanaaoooo JI Ge 92588 IC 555553 gt 4 RED A Ravi 1 2 Cama 1 H 33 RINO AA VABP m A S 1 ME 47 C231 1 2 pnt 32 NINOM 55 sa AWM H cA 4 enen Reve 1 AA AT CPOS 1 2 D nii GINO T gt p 1 Ar C232 1 uy 29 GIN M UA1P L 78 in YiP A lt 4 5240 1 AN 1 2 31 SOGIN Al 78 ar YIM A A 4 BLU A LAN f 27 Comet 2 28 INO p H210 1 AA 47 C233 l DILL 0 27 IN M UA2P 76 H Y2P A A 0 126 SYNCZ n2 77 ES 4 242 H SYNC 4 2 4 gt U SYNC H 127 SYNCU 118 JCL CLK 72 ku Y3P A A 117
3. FAN128615A OUT NT B e 2 SUD R852 RESI Tu ji SE 3 0 25W 4 7 1W 7 C802 Co ou SUR TAN e EN e BAaU 16 UBDA AME TEMP 105 OUT 1 2 IN OUT GND Db Ez e uses E lt 1 3 u 77 E 1 A 0 10 NV u N CBS T 16 RA TEMP 105 1 Ane e 882 a 2 cl D IP ec Cate g 10 QI N A e C817 Qo 186U RADIA a TEMP 105 24 4 8 5 SUR
4. CONNECTOR amp JACKS Ka 5UR 2 3 ora D725 SUR C733 2 LL nati C734 a L Ann asa a gt R7 L gt R706 VA VA y AIR 2703 de 75 YS i DSUBISP a Y E E n m ab R734 ll U o 1 2 SUR GNDR 5 Ly 20784 zD7 3 Ww F 1 RED A 4 5 6B 5 68 2 3 C731 c GNDG ava O l 2 68 a GRN A 2 12 D snea 1 2 n zl 3 13 1 z 1 1 1 BLL A RSA DA an e 9 a ino DDCSVA AN 76 O a R707 cog R734 e 68 Si 4 7K 2 ST DETA L 2 tan H 27283 1 2 47 2042 15 1 dere ST DE AN 0 AN R74a 20911 mm a 5 68 znva2 As lt R717 21701 MU 2 R716 SUR 1 AA 2 5 68 4 7K 5 68 4 TK a tu 2 3 1000 14 2 m L B a722 LAK ZAF R741 4 TK a ar ar al 3 2 Y p 0 Y 0 Y 2 g MAIS g VA V A 1 2 5 A a N 0726 SS Y Y Y Y Y Y ra C746 Y EE ds p 0721 1 m D722 n 0723 1 p 0724 1 BE ki u a 2 2 3 Q Y 4 de 1 Y D 1 A Eod 1 0797 VA V V A V V ER i f 5 8 B B 8 8 8 B B 1 R723 2 L NW ni 5728 D709 n D710 nl D711 D712 D713 m D714 n 0715
5. i e SU MOD 3 BEW 5 4 42 2 1 6 H R739 2 M 1x y s T 15 8 12 u T 10 cLkourP a 12 17 19 11 CLKOUTM A L e V2P A 12 13 13 RU CMO CMO FUJI kB gt VLP 8 13 16 YIM A 12 R739 me e 18 VBP A 12 E 12 R742 28 Y3P B 12 21 Y3M R 1 e a ES CLKOUTP B 12 CLKOUTM B L 24 25 CE Y2P B a Y2M B 1 z7 YLP B 12 28 YLM B 12 22 13 sa cl se J705 COND11P 2 FM U T 120 1 g 1205 GND 3 n SV 9 3 S s SUR d sya INUL B 25 EE P ema Dy EOK Go ANAL L R785 lk a f TI TU NA ALALOG DIM 2 gt ZZ 2 2 R779 761 1000160 21U T iu 1U B 10 7 2 195 ZAM V T gt J726 CONDSP GND 1 R711 1 2 4 7 GE GND 2 arta K ms GND El LED GR 4 Yon Roa L Ij Ha 2 K 2 35 LED AM L e 1 NM 33 a R745 AW uc T SR 8 Eva 29 iU nous m 2 LED_GR GND 5 20718 T B is GND 1 42 s i IS ee 1 42 5 ep 2 i zan 2 i aa 1 5 6R 2 i 2 011 m 1 IK e SUR 2 3 Sex AN 2 IK ANA 2 4 ZK LED RED 25 b R748 1 TAT 9784 25 2004 P NO 38281500595 Printed in
6. AA 120 52 T n RS DAS 384 e 5594 1 NAN 2 22 TT RI C15 8 D BLANK 37 R593 LAA 2 120 T ALE lt 1 4 EEPRON d R518 1 AKE 1K A 3 ADS CBLANK 36 m 4 2 SS DA HCLAMP ss 1 X2 DAG 34 R582 1 2 3715 DA um e ST PARCON R519 2 5 bs 3 SDA DAL 327 I p 2522 AW 2 199 DA11 E ES Lu 5 SIOUI DALY L 304 RSAL 1 NAJE Lt GID MSI RESET I 521 1 AA 122 I 502 SC 285 e 6585 AA 33 0 5 a 613 ADB R522 1 1020 e z JP e HD LAA 2 Si SDAA 1 AB RAR AN 2 8 P 1 IW ars 387 1 asi YA S KE YO 1 TY R524 AN 2 9 P3 2 ADI 267 R588 1 2 2 r KEYI i AM R525 AA IgM 22 P1 2 P 254 8 RSS ie An SE S ORKE A 21 3 EINE e A RSA 1 AA ADS E O 4 5 2 T 22 D D 1 2 EK AUS 1 ADA a gt n LAN 5 C12 X OUT 4 2 1 QOP 1 2 SUR 3 4 4 dc ran wU C513 N N TN 501 IZ DoU2 1 R528 7 5 6B 5 6B r Mopon 63 gt gt csap 2 1 AL a SON wr KST3904 2 111 1 241 1 lee z A C515 2MH 1 2 10 SEP arp WEB cama 1 112 9 2 ja e Eva a 2 1 d a 1 AA vy SUR KSE R537 3 4 gt dsaB 4 7K 1 2M KST 3904 SE 1 Je ucc L 8 RS33 470 52 WP
7. a3 71 4 N C LUACKP 74 z CLKOUTP A lt 4 gt 26 N C LVACKM j_5 CLKOUTM A lt 4 23 WE m 24 IN C 96 m Y P B cA 22 IN C VBUM 37 i A 22 N C lt 4 21 N C VBIP 22 YiP B c4 128 UBIM 33 a VIM B A 4 NE 2 4 D SCLD m R218 L 2 116 JC2 CLK UB2P m Y2P B cA c4 D SDAD an R219 1 MWE 115 C2 AT UBA2M 81 zu Y2M B CA 4 2 R L 85 c4 d SR 4 IR ez E 3252 4 4 RXa 5 2 1 Y3M B 540 4 RX1 ud an VBCKP 88 4 RX1 CLKOUTP B lt 4 4 RX24 2 B M519131 B LUVBCKM e CLKOUTM B lt 4 4 RX2 12 3 gt ADD LA RXC a 12 CK B al a CA RXC 13 CK C211 C231 a x 10 10 H rz 1 2 H 15 REX 1U ep AVDE W BYPASS 10391 2 AVSS MPLI 1224 a 1 2 a tiie 37 E cag e CZE 1 2 35 RMID _ 46 m C212 1 2 A 38 REFN 47 2 10 Sun AUSS Ant ETE SE 3 gt 2 500 S S L 48 2 C217 C218 c219 C220 52 603 C25 10 B LU 2 LU 2 10 4 5 ADA 51 c2 n i th a SC ADS se ADS 2 41 SDA 206 ss ena a2 2 MST RESET 121 SE T AD L 54 lt a in a DDCROM 252 Cee acc cd 25 3 gt 3 e 120 CROM DAT WRZ 65 T F a L 66 C213 C214 C215 C215 N R222 10 B LU 2 1U a 10 44 _ PINMP 68 4
8. A a e 4 uss 5085 e AA 33 24202 1 mx R772 1 219 n 15 R773 1 ES U7e2 1 1 R774 1 2 la g 1 Bu pers 1 AN 2 a 3 2 R776 1 21a J781 L Rxer R777 1 La m DUI24P MMBD3Q1LT1 D727 12 Rxc R72B i AN 2 22 H 1 19 R729 1 2 22 a 2 1 RXC NA a Ki AI cad ER Lon se_o 6 O O lt 1 gt ane 7 0718 c E Pd 24 OOO rre ANS C716 c 15 14 20705 JU 20786 g C712 1 122P T 122P 5 5 en 12 2 LU x 4 5 3 12 1 2 1 2 m e AA e R743 H 14 a ias eM E 1 AA 1 N D 15 OOO CBE SUHPD R731 LAA ava m 22 ZD716 rA A 20715 70788 w laa vec R765 5 68 5 6B 5 68 e amp 2 A 33 a zu AZ 5CL Q 1 2 14000 Oris 22 L quee ir er 33 E 0703 H SYNC WER V SYNC 1429 EEPROM SUR 2 3 DDCSVA D SCLA 25 D SDAA 22 SVHPD SUR 2 3 DDCSUD SVHPD EEPRON 2 KI
9. 33 1 10W 5 D R TP 33 1 10W 5 D R TP Ba X501 6212AA2004A HC 49U TXC 12 0MHZ 30 PPM CONTROL BOARD ODLLTO220AA 08015010609 LITEON LTL 14CDKPI GREEN Y 1 50K 1 4W 3 5 52 08015010609 08033010609 08033010609 140 058 140 058 140 058 140 058 140 058 140 058 0DZ560009AG 0DZ560009AG 0DZ560009AG 0DZ560009AG 2 DATE 2004 2004 06 02 1 50K 1 4W 3 5 TA52 3 30K 1 4W 3 5 TA52 3 30K 1 4W 3 5 TA52 SKHV10910B LGEC NON 12V 20A H SKHV10910B LGEC NON 12V 20A H SKHV10910B LGEC NON 12V 20A H SKHV10910B LGEC NON 12V 20A H SKHV10910B LGEC NON 12V 20A H SKHV10910B LGEC NON 12V 20A H GDZJ5 6B TP GRANDE DO 34 500M GDZJ5 6B TP GRANDE DO 34 500M GDZJ5 6B TP GRANDE DO 34 500M GDZJ5 6B TP GRANDE DO 34 500M SCHEMATIC DIAGRAM 1 MST9131B e
10. 7 33 3 n2 Ss 6 L 1 2 ez 4 ma spa 5 m 1 AWE 22 lt 1 R545 R534 470 241 168 1582 SON 3 POWER gt 2 510 U POWER 25 45 6 8 5 SI3865DU IN R2 C1 C22 MST PWRCON c R815 2 2 T U e Ul DN OFF VOUT 1 N C84 9 1U 4 N 6 R Cl VOUT U ID UD 9914 4 1 AA c823 B 10 SI3865DV 4 bv IN H2 c2 4 SUR I 2 MODON Ul ON OFF VOUT 1 4 SU MOD h UOUI2 UM C804 0 0011 24 q d D4 4d CB2A 100U 16U AL 25 e C82 C822 010 LU N N
11. 7K d d n 45 PINM1 BUSTYPE 69 D 2 N ces T AN 3 3UD 3 C 88 1 2 IST 122 180 2 gt X IN E T r R221 T NC NS 2 222 Q 104 T F a la T a BN N 125 E C221 C222 C223 C224 C225 C226 C227 NNNNWNNELOAAAOAAVOYVY 128 1L 1U B LU B 1L B 10 1U B 1U Wwe 188 d H H d bh gt gt gt N C 110 lt x CE CE GO 0Q 0QOQ QQqQ OXOQO mE IF NI m mm n Lo m a wiel Wiki HA INI O SR Bobo ka ku a L IU 2 2 R535
12. 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 RJ4 16V101MX ELNA 16V 100UF 2 0 1UF 1608 50V 10 R TP X7R 1UF 1608 10V 10 R TP X7R 10000PF 50V 1095 B Y5P 2012 R 0 1UF 50V 10 X7R 2012 R TP 1UF 1608 10V 10 R TP X7R 1000PF 1608 50V 5 R TP NPO 1UF 1608 10V 10 R TP X7R 1000PF 1608 50V 5 R TP NPO RJ4 16V101MX ELNA 16V 100UF 2 0 1UF 1608 50V 10 R TP X7R 0 01UF 1608 50V 10 R TP B Y5 RJ4 16V101MX ELNA 16V 100UF 2 0 01UF 1608 50V 10 R TP B Y5 0 1UF 1608 50V 1096 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 50V 10 X7R 2012 R TP 10000PF 50V 1095 B Y5P 2012 R RJ4 16V101MX ELNA 16V 100UF 2 RJ4 16V101MX ELNA 16V 100UF 2 DIODEs 19 005226009 005226009 005226009 005301109 005226009 005226009 005226009 005226009 005226009 005226009 005226009 005226009 005301109 005226009 005226009 005226009 005226009 005226009 005226009 005301109 005301109 KDS226 SOT 23 80V 300 KDS226 SOT 23 80V 300 KDS226 SOT 23 80V 300 MMBD301LT1 MOTOROLA SOT23 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 MMBD301LT1 TP
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14. LHS73K PIECE BACK DARK BLUE SDM HS74 3550TKK301G COVER LHS73K PIECE BACK BLACK SDM HS74 USA CANADA SDM HS74P 9 6631T11016W CONNECTOR ASSEMBLY H H 200MM UL20276 AWG30 LOX73L LOX93L 6871TPT285C PWB PCB ASSEMBLY POWER HS74 HS94 LPL AUO POWER TOTAL POWERNET 6871TPT285A PWB PCB ASSEMBLY POWER HS74 AUO 2X4PIN POWER TOTAL POWERNET 3313TL7047B MAIN TOTAL ASSEMBLY LHS74M AGRDR SONY CL 43 SDM HS74 3313TL7047A MAIN TOTAL ASSEMBLY LHS74 94PM _ AUO SONY CL 42 SDM HS74 3313TL7047E MAIN TOTAL ASSEMBLY LHS74PM AURDR CL 42 SDM HS74P AUO 4815TKKO40A SHIELD ASSEMBLY REAR HS74 0 3550TKK302L COVER 574 BACK DECO BLUE SDM HS74 3550TKK302M COVER 574 BACK DECO BLACK U S A CANADA SDM HS74 13 14 16 3550TKK302P COVER HS74P BACK DECO BLACK SPRAY Europe Japan SDM HS74P 3550TKK302N COVER HS74P BACK DECO SILVER SPRAY Europe Japan U S A CANADA SDM HS74P 3550TKK302Q COVER HS74P BACK DECO BLACK U S A CANADA SDM HS74P 3846 058 MARK PIECE BADGE AL SONY HS78 BK 3 704 1 76 51 3846 TKKO62B MARK PIECE BADGE SONY NO6 0 AL 4 095 995 21 GREY 6620K00002G SOCKET CIRC POWER HUAJIE SA 4S 008 2 AA 180MM JST 17 SONY AC UNIVERSAL NOPIN BLACK 16 66317200231 CONNECTOR ASSEMBLY 11P 11P H H 160MM UL1061 AWG26 TWI LOS93L JST HOUSING 18 REPLACEMENT PARTS LIST CAUTION BEFORE REPLACING ANY OF THESE COMPONENTS READ CAREFULLY THE SAFETY PRECAUT
15. also the over power protection is also monitor by this part 5 Photo Coupler isolation This part function is to feed back the dc output changing status through a photo transistor to primary controller to achieve the stabilized dc output voltage 6 Signal collection This part function is to collect the any change from the dc output and feed back to the primary through photo transistor 10 Windows EDID V1 0 User Manual ADJUSTMENT 2 EDID Read amp Write 1 Run WinEDID exe Operating System MS Windows 98 2000 XP 52 WinEDID 9 1 0 CS Port Setup Windows 98 gt Doesn t need setup Windows 2000 XP gt Need to Port Setup This program is available for LCD Monitor only 1 Port Setup Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe oooooooo HETTOVE UserPort Tomas Franzon 2000 Remove all default number d Add 300 3FF 300 3FF Click Start button f Click Exit button UserPort Tomas Franzon 2000 300 3FF 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button C Click Write button side SERVICE OSD 1 Turn off the power switch button 2 Press DOWN POWER key 3 Shows the service OSD menu That menu is located
16. in down side of main menu 4 The service OSD menu contains additional menus as described below a COLOR TEMP Adjust R G B color values of contrast and brightness 9300 6500K user color mode b INITIAL EEPROM Initialize the EEPROM values 24C08 c CLEAR ETI Initialize the used time of monitor d AGING Select aging mode On Off e WHITE BALANCE AUTO Allows you to set the R G B offset and gain value automatically MANUAL Allows you to set the R G B offset and gain value manually f DEFAULT TIMING Select the resolution timing of the signal Sub menus are 1152 864 standard timing and 1152x870 MAC computer timing g MODULE Select the LCD module attached to this monitor Video Signal Generator Control Line Power inlet required Power Select Switch 110V 220V V Sync On Off Switch Switch must be ON Figure 1 Cable Connection 12 TROUBLESHOOTING GUIDE 1 NO POWER NO POWER POWER INDICATOR OFF CHECK POWER BOARD AND FIND PIN 5 6 8 5V OUT A SHORT POINT PIN 1 2 12V AS OPENING EACH POWER LINE CHECK U501 PIN 8 Voltage 5V CHECK KEY CONTROL CONNECTOR ROUTINE CHECK 5VS LINE OPEN CHECK NO PROBLEM IS U201 PIN94 3 3V PIN85 2 5V VOLTAGE REPEATED AS avs NO CHECK IIC LINE CONNECTION U501 U502 CHECK U201 VCC X501 XTAL
17. 016W WIRING DIAGRAM w BLOCK DIAGRAM JeueAu dwett jndino idi aiaa NOHd44 JI Ida VALN EH L omg Sueos 8181615 aiaa uu s S INOHd33 99A LA NOHd33 jaued DESCRIPTION OF BLOCK DIAGRAM 1 Video Controller Part amp Display Data Transmitter Part This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock The pixel clock for each mode is generated by the PLL The range of the pixel clock is from 25MHz to 135MHz This part consists of the Scaler LVDS Tx TMDS Rx Reset IC The Scaler gets the video signals which were converted analog to digital interpolates input to 1280 x 1024 resolution signal and outputs 8 bit R G B signal to transmitter Especially pre amp ADC Video controller Transmitter are merged to one chip MST9131A by MST This part transmit digital signal from the Scaler to the receiver of module 2 Power Part This part consists of the one 3 3V and one 2 5 regulators to convert power which is provided 5V by LIPS Board In particular 5V is provided for LCD Panel There is also 12V which is for Audio power Also 5V is converted 3 3V and 2 5V by regulator Converted power is provided for IC in the main board 3 System Controller Microprocessor Circuit 1 Micro
18. 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5926 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 75 1 10 W 5 1608 R TP 75 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 75 1 10 W 5 1608 R TP 68 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 4 7K 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 22 1 10 W 5 1608 R TP 0RJ0222D677 0RJ1000D677 0RJ4700D677 0RJ1001D677 0RJ4701D677 0RJ1001D677 0RJ4701D677 0RJ0000D677 0RJ4701D677 0RJ1001D677 0RJ4701D677 0RJ1001D677 0RJ1000D677 0RJ1001D677 0RJ1001D677 0RJ1001D677 0RJ4701D677 0RJ4701D677 0RJ0332D677 0RJ0332D677 ORJO102D677 ORJO102D677 ORJO102D677 ORJO102D677 ORJO102D677 ORJO102D677 0RH0472D622 0RH0472D622 0RJ1001D677 0RJ2202D677 0RJ2001D677 0RJ2202D677 0RJ5600D677 ORHO000D622 ORHO000D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 0RH0472D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622 ORHO332D622
19. 4701D677 ORJ4701D677 ORJ4701D677 ORJ4701D677 ORJ4701D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1002D677 ORJO332D677 ORJO332D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ4701D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJO752D677 ORJO752D677 ORJ1000D677 ORJO752D677 0RJ0682D677 0RJ0332D677 0RJ0332D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 0RJ1000D677 0RJ0332D677 0RJ0332D677 0RJ4701D677 0RJ4701D677 0RJ0222D677 4 7K OHM 1 10 W 5 1608 R TP 4 7K 1 10W 5 D R TP 4 7K 1 10W 5 D R TP 10K OHM 1 10 W 5926 1608 R TP 100 OHM 1 10 W 5 1608 R TP 1K 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 3 3K OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 3 3K OHM 1 10 W 5 1608 R TP 4 7K 110W 5 D R TP 4 7K OHM 1 10 W 5 1608 R TP 470 OHM 1 10 W 5 1608 R TP 470 1 10 W 5 1608 R TP 4 7K 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 10K OHM 1 10 W 5926 1608 R TP 33 OHM 1 10 W 5 1608 R TP 33 OHM
20. 80 60Hz 800x600 56Hz 800x600 60Hz 800x600 72Hz 800x600 75Hz 832x624 MAC16 75Hz 1024x768 60Hz 1024x768 1024 768 75Hz 1024x768 MAC19 75Hz 1152x864 75Hz 1152x870 MAC21 2 1152 900 66Hz 1152x900 75Hz 1170x584 50Hz 1280x960 60Hz 1280x1024 60Hz 1280x1024 75Hz TIMING CHART OPERATING INSTRUCTIONS FRONT REAR VIEW 1 Power switch and indicator To turn the display on or off press the l power switch upward The power indicator lights up in green when the display is turned on and lights up in orange when the monitor is in power saving mode MENU button This button displays or closes the main menu buttons These buttons function as the 4 4 buttons when selecting the menu items and making adjustments OK button This button selects the item or executes the settings in the menu button This button is used to change the brightness of the screen AC IN connector Connect the power cord supplied DVI D input connector digital RGB This connector inputs digital RGB video signals that comply with DVI Rev 1 0 HD15 RGB input connector analog RGB This connector inputs analog RGB video signals 0 7 Vp p positive and SYNC signals DDC Display Data Channel is a standard of VESA Connector Ass y P N 6631T11
21. CHECK 13 2 NO RASTER OSD IS NOT DISPLAYED PIN 5 6 8 5V PIN 1 2 12V CHECK LIPS CHECK MICOM INV ON OFF PORT 1 CONFIRM BRIGHTNESS OSD CONTRL STATE CHECK 9705 PIN 9 5V 5 9705 PIN 10 5V NO 2 CHECK MICOM DIM ADJ PORT CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE NO ere LIPS YES REPLACE CCFL LAMP IN THE LCD MODULE SALA 3 NO RASTER OSD IS NOT DISPLAYED MST9131B NO RASTER OSD IS NOT DISPLAYED CHECK 0803 POWER PIN 72 2 5V REGULATOR PIN 64 85 2 5V 2 2 3 3V REGULATOR YES 1 CHECK PIN11 12 SOLDERING CONDITION U501 PIN11 12 OSCILLATE AS 12MHZ 2 CHECK X501 3 TROUBLE IN U501 U501 PIN41 IS 48KHz H SYNC PIN42 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 CHECK CONNECTION LINE FROM D SUB 0501 YES TROUBLE IN CABLE OR LCD MODULE 15 4 TROUBLE IN DPM TROUBLE IN DPM CHECK R734 R741 CHECK PC IS NOT GOING INPUT 2 SYNG INTO DPM OFF MODE YES CHECK 0501 PIN 24 0V 2 NO TROUBLE IN SIGNAL CABLE YES TROUBLE IN PC 16 e e e e e e e e e e e G4QO IdX4 17 gt VIE
22. COLOR MONITOR SERVICE MANUAL CHASSIS NO CL 42 FACTORY MODEL LHS74P LHS74PM MODEL SDM HS74 SDM HS74P CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL 5 SPECIEIGATIONS uu taceo t 2 DESCRIPTION OF BLOCK DIAGRAM 8 PRECAUTIONS Zx 3 ADJUSTMENT Saad eer 10 TIMING CHART X 4 TROUBLESHOOTING GUIDE 11 OPERATING INSTRUCTIONS 5 EXPLODED VIEW aad aie EE 17 WIRING DIAGRAM 6 REPLACEMENT PARTS LIST 19 BLOCK DIAGRAM add map bag 7 SCHEMATIC DIAGRAN 22 SPECIFICATIONS 1 LCD CHARACTERISTICS Type TFT Color LCD Module Active Display Area 17 inch 337 92 H x 270 336 V Size 358 5 W x 296 5 H x 17 0 D Pixel Pitch 0 264 Per one triad x 0 264 Color Depth 16 2M Colors Electrical Interface LVDS Operating Mode Backlight Unit Normally White 4 CCFL Cold Cathode Fluorescent Lamp OPTICAL CHARACTERISTICS 2 1 Viewing Angle by Contrast Ratio 2 10 Left 60 min 70 Typ Right 60 min 70 Typ Top 60 min 70 Typ Bottom 60 min 70 2 2 Luminance 75 min 80 2 3 Contrast 250 min 450 Typ SIGNAL Refer to the Timing Chart 3 1 Sync Signal Type Separate Sync 3 2 Vide
23. F 50V 10 X7R 2012 R TP 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 50V 10 X7R 2012 R TP 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R RV2 16V100MU R ELNA 16V 10UF 100PF 1608 50V 5 R TP NPO 100PF 1608 50V 5 R TP NPO 33PF 1608 50V 5 R TP NPO 100PF 1608 50V 5 R TP NPO 100PF 1608 50V 5 R TP NPO 18PF 1608 50V 5 R TP NPO 1608 50 5 R TP NPO 0 1UF 50V 10 X7R 2012 R TP 0 1UF 1608 50V 10 R TP X7R 68PF 1608 50V 5 R TP NPO 0 01UF 1608 50V 10 5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 1UF 1608 50V 10 R TP X7R 100PF 1608 50V 5 R TP NPO 100PF 1608 50V 5 R TP NPO 1UF 1608 10V 10 R TP X7R 100PF 1608 50V 5 R TP NPO 68PF 1608 50V 5 R TP NPO 0 01UF 1608 50V 10 R TP B Y5 OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCZZTATOOBB OCK104CK56A OCK105CD56A OCH3103K516 OCH3104K566 OCK105CD56A OCC102CK41A OCK105CD56A OCC102CK41A OCZZTATOOBB OCK104CK56A OCK103CK51A OCZZTATOOBB OCK103CK51A OCK104CK56A OCK104CK56A OCH3104K566 OCH3103K516 OCZZTATOOBB OCZZTATOOBB 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608
24. IONS IN THIS MANUAL S SAFETY A AL ALTERNATIVE PARTS NOTE DATE 2004 06 02 DATE 2004 06 02 LOC NO PART NO DESCRIPTION SPECIFICATION LOC NO PART NO DESCRIPTION SPECIFICATION MAIN BOARD CAPACITORS OCK103CK51A OCK103CK51A OCK103CK51A OCK104CK56A OCK104CK56A OCK104CK56A OCK104CK56A OCK104CK56A OCK104CK56A OCK104CK56A OCH3104K566 OCK104CK56A OCK104CK56A OCH3104K566 OCH3104K566 OCK104CK56A 0CH3104K566 OCK104CK56A OCK104CK56A OCH3104K566 OCK104CK56A OCK104CK56A OCK104CK56A OCH3104K566 OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK104CK56A OCK104CK56A OCZZTATOO6A 0CC101CK41A 0CC101CK41A 0CC101CK41A 0CC101CK41A 0CC180CK41A OCC100CK41A OCH3104K566 OCK104CK56A 0CC680CK41A OCK103CK51A OCK103CK51A OCK103CK51A OCK103CK51A OCK104CK56A OCC101CK41A OCC101CK41A OCK105CD56A OCC101CK41A 0CC680CK41A OCK103CK51A 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP B Y5 0 01UF 1608 50V 10 R TP 5 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 50V 10 X7R 2012 R TP 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1UF 50V 10 X7R 2012 R TP 0 1UF 50V 10 X7R 2012 R TP 0 1UF 1608 50V 10 R TP X7R 0 1UF 50V 10 X7R 2012 R TP 0 1UF 1608 50V 10 R TP X7R 0 1UF 1608 50V 10 R TP X7R 0 1U
25. MOTOROLA SOT23 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 KDS226 TP KEC SOT 23 80V 300 MMBD301LT1 TP MOTOROLA SOT23 MMBD301LT1 TP MOTOROLA SOT23 5 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB 0DZ560009GB OIPRPM301 1C OIMMRSS040C OIMMRSGO36A OIMMRSGO36A OTFVI80023A OIPMGFA003E OIPMGK2001B COILs amp COREs 6210 0015 6210 0015 6210 0015 TRANSISTOR OTR390409AE OIKE704200H OTR390409AE OTR390409AE OTR390409AE OTR390409AE OTR390409AE OTR390409AE OTR390409AE RESISTORs 0RJ0472D677 0RJ0472D677 0RJ0472D677 0RJ3900D677 0RJ0472D677 0RJ0472D677 0RJ0472D677 0RJ4701D677 0RJ3900D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 0RJ4701D677 DATE 2004 06 02 DESCRIPTION SPECIFICATION BZT52C5V6S DIODES 500323 BZT52C5V6S DIODES 500323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES 500323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES 500323 BZT52C5V6S DIODES 500323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 BZT52C5V6
26. ORHO332D622 OTHERs DATE 2004 06 02 DESCRIPTION SPECIFICATION 22 OHM 1 10 W 5 1608 R TP 100 OHM 1 10 W 5 1608 R TP 470 OHM 1 10 W 5 1608 R TP 1K OHM 1 10 W 526 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 1K OHM 1 10 W 526 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP LOC PART DESCRIPTION SPECIFICATION 0 OHM 1 10 W 596 1608 R TP SDM HS74 CMO 4 7K OHM 1 10 W 5 1608 R TP 1K OHM 1 10 W 526 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 1K OHM 1 10 W 526 1608 R TP 100 OHM 1 10 W 5 1608 R TP 1K OHM 1 10 W 526 1608 R TP 1K OHM 1 10 W 526 1608 R TP 1K OHM 1 10 W 526 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 33 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 10 OHM 1 10 W 5 1608 R TP 47 1 10W 5 D R TP 47 11095 D R TP 1K OHM 1 10 W 526 1608 R TP 22K OHM 1 10 W 5 1608 R TP 2K OHM 1 10 W 5 1608 R TP 22K 1 10 W 5 1608 R TP 560 OHM 1 10 W 5 1608 R TP 0 1 10W P TYPE TAPPING 0 1 10W P TYPE TAPPING 47 1 10W 5 D R TP 47 1 10W5 D R TP 47 1h0W 5 D R TP 47 1 10W 5 D R TP 47 1 10W 5 D R TP 47 1 10W 5 D R TP 47 1 10W 5 D R TP 47 1 10W 5 D R TP 47 11095 D R TP 47 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP 33 1 10W 5 D R TP
27. S DIODES R TP SOD323 BZT52C5V6S DIODES R TP SOD323 MST9131B LF MSTAR 128P LQFP T 5524 60 51 5 0 SAMSUNG ELEC M24C02 WMN6T SGS THOMSON 8P S M24C02 WMN6T SGS THOMSON 8P S VISHAY SI3865DV R TP TSOP 6 8 FAN1086 1 5A FAIRCHILD SOT252 AIC1117A 33CYTR BS33 AIC SOT HU 1M2012 121 CERATECH 2012MM HU 1M2012 121 CERATECH 2012MM HU 1M2012 121 CERATECH 2012MM FAIRCHILD KST3904 LGEMTF TP KIA7042AP TO 92 TP 4 2 VOLT FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP FAIRCHILD KST3904 LGEMTF TP 47 OHM 1 10 W 5 1608 R TP 47 OHM 1 10 W 5 1608 R TP 47 OHM 1 10 W 5 1608 R TP 390 OHM 1 10 W 5 1608 R TP 47 OHM 1 10 W 5 1608 R TP 47 OHM 1 10 W 5 1608 R TP 47 OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 390 OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP 4 7K OHM 1 10 W 5 1608 R TP DATE 2004 06 02 S l AL LOC NO PART NO DESCRIPTION SPECIFICATION 0RJ4701D677 ORH4701D622 ORH4701D622 ORJ1002D677 ORJ1000D677 ORJ1001D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ1000D677 ORJ3301D677 ORJO332D677 ORJO332D677 ORJ3301D677 ORH4701D622 ORJ4701D677 ORJ4700D677 ORJ4700D677 ORJ4701D677 ORJ4701D677 ORJ
28. W PARTS LIST bom Fa Bein 3091TKL061K CABINET ASSEMBLY 594 SONY 3090TKL061A BLUE Europe U S A CANADA SDM HS74 3091 TKLO61L CABINET ASSEMBLY HS74 SONY 3090TKL061A BLACK U S A CANADA SDM HS74 SDM HS74P 3091 TKLO61N CABINET ASSEMBLY HS74P SONY 3090TKL061A BLACK SPRAY Europe Japan SDM HS74P 3091 TKLO61M CABINET ASSEMBLY HS74P SONY 3090TKLO61A SILVER SPRAY Europe Japan U S A CANADA SDM HS74P 6304FCI005B LCD LIQUID CRYSTAL DISPLAY M170E5 L05 CHIMEI TFT COLOR 300NITS 16MS 03 TN SXGA Europe SDM HS74 6304FAU012A LCD LIQUID CRYSTAL DISPLAY M170ENO5V5 AU TFT COLOR SXGA 250NIT GENS Europe U S A CANADA SDM HS74 6304FAU010B LCD LIQUID CRYSTAL DISPLAY M170EN06 V2 AR COATING AU TFT COLOR LVDS SXGA 16MS SDM HS74P 3809 TKLO85C BACK COVER ASSEMBLY 574 3808TKL084A BLACK SDM HS74P U S A CANADA SDM HS74 3809TKL085B BACK COVER ASSEMBLY 574 3808TKL084A DARK BLUE SDM HS74 3043TKK109A TILT SWIVEL ASSEMBLY SONY 517 SDM HS74 3043TKK109C TILT SWIVEL ASSEMBLY SONY HS74P SDM HS74P 3043TKK115B TILT SWIVEL ASSEMBLY HS74 3550TKK304C SDM HS74 3043TKK115C TILT SWIVEL ASSEMBLY HS74P 3550TKK304C SDM HS74P 4951 5165 METAL ASSEMBLY FRAME 574 105 SDM HS74 4951TKS165A METAL ASSEMBLY FRAME HS74 AUO V5 SDM HS74 4951TKS165D METAL ASSEMBLY FRAME HS74 AUO ENO6 V2 SDM HS74P 4950TKK583A METAL FIX CONNECTOR 17 OX73 4950 487 METAL FIX CONNECTOR AU SIDE LS71K 3550TKK301B COVER
29. in damage to the screen e Do not scratch or press on the panel with any sharp objects such as pencil or pen as this may result in damage to the panel e Protect the module from the ESD as it may damage the electronic circuit C MOS e Make certain that treatment person s body are grounded through wrist band e Do not leave the module in high temperature and in areas of high humidity for a long time e The module not be exposed to the direct sunlight e Avoid contact with water as it may a short circuit within the module e the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation lt lt Dot Clock MHz Horizontal Frequency kHz Vertical Frequency Hz Horizontal etc us Vertical etc ms gt gt Mode HN Sort une Polarity at Frequency 70 069Hz 78 750 46 200 75 029Hz 60 241 74 927Hz 67 500 75 000 2 68 681 75 062 2 61 795 65 950Hz 71 732 6 068Hz 31 216 50 026Hz 60 000 60 000Hz 63 981 60 020Hz 79 976 75 025 2 108 000 108 000 135 000 Total Period Video Active Time Front Porch Sync Duration E A C D Back Porch F Blanking time B Resolution 720x400 70Hz 640x480 60Hz 640x480 65Hz 640x480 75Hz 720x4
30. nc 23 T M D S Clock T M D S Datat 24 T M D S Clock 10 T M D S 1 11 T M D S Data1 3 Shield 12 T M D S Data3 13 T M D S Data3 14 45V Power 15 Ground return for 5V H Sync and V Sync OTT 111 CO1 gt co T M D S Transition Minimized Differential Signaling PRECAUTION WARNING FOR THE SAFETY RELATED COMPONENT N WARNING e There are some special components used in LCD BE CAREFUL ELECTRIC SHOCK monitor that are important for safety These parts are marked on the schematic diagram and the replacement parts list is essential that these critical parts should be replaced with the manufacturer s specified parts to prevent electric shock fire or other f you want to replace with the new backlight CCFL or inverter circuit must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms nazal e Handle with care wires or connectors of the inverter e Do not modify original design without obtaining written circuit If the wires are pressed cause short and may permission from manufacturer or you will void the burn or take fire original parts and labor guarantee TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT e Must mount the module using mounting holes arranged in four corners e Do not press on the panel edge of the frame strongly or electric shock as this will result
31. o Input Signal 1 Type R B Analog 2 Voltage Level 070 70 V 590 a Color 0 0 0 Vp p b Color 7 0 0 35 Vp p Color 15 0 0 7 Vp p 3 Input Impedance 750 3 3 Operating Frequency Horizontal 28 80kHz Vertical 48 75Hz Max Resolution Analog Digital 1280 x 1024 75Hz 1280 x 1024 60Hz 5 POWER SUPPLY 5 1 Power AC 100 240V 50 60 2 1 0A 5 2 Power Consumption MODE HIV SYNC VIDEO POWER CONSUMPTION LED COLOR POWER ON NORMAL ON ON ACTIVE less than 45 W GREEN STAND BY OFF ON less than 1W AMBER ON OFF OFF less than 1 W AMBER DPMS OFF OFF OFF OFF less than 1 W AMBER 6 ENVIRONMENT 6 1 Operating Temperature 5 C 35 C 41 F 95 F Ambient 1096 8096 Non condensing 50 000 Hours Typ 30 000 Hours Min SUSPEND 6 2 Relative Humidity 6 3 MTBF 7 DIMENSIONS with TILT SWIVEL Width 367 mm 14 49 Depth 215 mm 8 46 Height 410 mm 16 14 8 WEIGHT with TILT SWIVEL Net Weight 5 7 kg 12 57 Ibs Gross Weight 8 3 kg 18 30 Ibs Signal Connector Pin Assignment DVI D Connector Pin Signal DVI D Pin Signal DVI D T M D S Data2 16 Hot Plug Detect T M D S Data2 17 T M D S DataO T M D S Data2 4 Shield 18 T M D S Data0 T M D S Data4 19 T M D S Data0 5 Shield T M D S Data4 20 T M D S Data5 DDC Clock 21 T M D S Data5 DDC Data 22 T M D S Clock Shield Analog Vertical Sy
32. processor U501 distinguishes polarity and frequency by calculating horizontal and vertical sync input from signal source 2 Microprocessor U501 carries out power control by sending power down trigger signal to each IC 3 Microprocessor 0501 communicates with EEPROM 704 and MST9131A 0201 through or 8 bit bus line It is enable to control and communicate each devices 4 Microprocessor U501 let User adjust screen by OSD function LIPS Board Block Diagram EMI INPUT RECTIFIER ENERGY 08002 OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 240V SIGNAL COLLECTI ON PWM PHOTO CONTROL COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY Operation description LIPS 1 EMI components This part contains of EMI components to comply with global marketing EMI standards like FCC VCCI CISPR the circuit included a line filter across line capacitor and of course the primary protection fuse 2 Input rectifier and filter This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achive the dc output stablize and
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