LG Flatron L1917S ch_CL82 (LCD_monitor) - SM
Contents
1. Ref No Part No Description 010 30919L0011D CABINET ASSEMBLY L1917S BRAND 0003A SLIVER C CKD 30919L0011B CABINET ASSEMBLY L1917S BRAND 0003A BLACK A CKD 020 6304FHS012G LCD LIQUID CRYSTAL DISPLAY HSD190ME12 A10 HANNSTAR TFT COLOR TN 250NITS 8MS SXGA 4LAMPS or 6304FHS012A LCD LIQUID CRYSTAL DISPLAY HSD190ME12 A02 HANNSTAR TFT COLOR TN 250NITS 12MS SXGA 4LAMPS or 6304FHS012B LCD LIQUID CRYSTAL DISPLAY HSD190ME12 A06 HANNSTAR TFT COLOR TN 250NITS 12 5 SXGA 4LAMPS or 6304FHS012D LCD LIQUID CRYSTAL DISPLAY HSD190ME12 A11 HANNSTAR TFT COLOR 250NITS 8MS LVDS 030 3809900139B BACK COVER ASSEMBLY L1917S NON BLACK CKD 040 3043900015E TILT SWIVEL ASSEMBLY L1917S HANSTAR CKD 050 49509K0186B METAL SHIELD L1917S GUIDE A CKD 060 3550TKK989B COVER LXX32 PIECE INSULATOR LIPS CKD 070 6871TPT312B PWB PCB ASSEMBLY POWER L1750 UNION POWER TOTAL BRAND 4 LAMP 17 19 SOCKET TYPE 080 3313919024 MAIN TOTAL ASSEMBLY 119175 MST E BRAND CL 82 090 3550TKK995B COVER LXX32 PIECE INSULATOR VESA CKD 100 4951TKS242G METAL ASSEMBLY SHIELD ASSY L1932S ANALOG CKD 110 68719ST858A PWB PCB ASSEMBLY SUB SUB T T CL82 L1917S ANRDER 120 6410TEW010A POWER CORD LP34A LS60 LONGWELL VDE SEMKO 1870MM WALL CD PB FREE BLACK 20 REPLACEMENT PARTS LIST CAUTION BEFORE REPLACING ANY OF THESE COMPONENTS READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL2. MODE Section Polarity Frequency Period Porch pne POR Resolution Clock E A D C B 1 H Pixels 25 175 31 469 800 640 16 96 48 640 x 350 V Lines 70 09 449 350 37 2 60 2 H Pixels 28 321 31 468 900 720 18 108 54 720 X 400 V Lines 70 08 449 400 12 2 35 3 H Pixels 25 175 31 469 800 640 16 96 48 640 x 480 V Lines 59 94 525 480 10 2 33 4 H Pixels 31 5 37 5 840 640 16 64 120 640 x 480 V Lines 75 500 480 1 3 16 5 H Pixels 40 0 37 879 1056 800 40 128 88 800 x 600 V Lines 60 317 628 600 1 4 23 6 H Pixels 49 5 46 875 1056 800 16 80 160 800 x 600 V Lines 75 0 625 600 1 3 21 7 H Pixels 57 283 49 725 1152 832 32 64 224 832 x 624 V Lines 74 55 667 624 1 3 39 8 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 9 H Pixels 78 75 60 123 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 10 H Pixels 100 0 68 681 1456 1152 32 128 144 1152 x 870 V Lines 75 062 915 870 3 3 39 11 H Pixels 92 978 61 805 1504 1152 18 134 200 1152 x 900 V Lines 65 96 937 900 2 4 31 12 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 13 H Pixels 135 0 79 976 1688 1280 16 144 248 1280 x 1024 V Lines 75 035 1066 1024 1 3 38 DISASSEMBLY 1 2 Remove the screws 1 Pull the front cover upward 2 Then let the
3. NOTE S SAFETY Mark N AL ALTERNATIVE PARTS DATE 2005 10 24 DATE 2005 10 24 S l AL LOC NO PART NO DESCRIPTION SPECIFICATION S FAL LOC NO PART NO DESCRIPTION SPECIFICATION MAIN BOARD CAPACITORS 070 ODSIHO0018A ENKMC2837 T112 LF ISAHAYA 0706 ODSIHO0018A ENKMC2837 T112 LF ISAHAYA 204 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 70701 00256000908 BZT52C5V6S F LF DIODES R T 205 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 70702 00256000908 BZT52C5V6S F LF DIODES R T C206 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 70703 00256000908 BZT52C5V6S F LF DIODES R T 207 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 70704 00256000908 BZT52C5V6S F LF DIODES R T C211 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 70711 ODZ560009GB BZT52C5V6S F LF DIODES R T C213 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 20712 00256000908 BZT52C5V6S F LF DIODES R T C214 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y C215 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y ICs C216 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y C217 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y Q502 OIKE704200H KIA7042AP 92 TP 4 2 VOLT C218 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y U201 OIPRPM3017A TSUIGAL LF MSTAR 100P QFP TR C219 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y U501 OIZZ9H0076A 212 MYSON PLCC 44PIN C220 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y U502 01652
4. 4 pe 8 us use 19 rus mus use no use 1 REDA mn rO S gt mien 2 32 050 HE i as 00050 Aia A 505 Paya 1 29s S SG img 1 AA i 12 msan 2 wa R753 _ 1 l zs A 4 te 5 68 ZA 5 68 He R717 mus cuzLcnue 1 L crsa m Sauna O S Gd S SB 4 TK 1 1 E tun s Saa a aj 54 Sj yarra 1 yIP A 1 1 0 yor a Yn in wa iD Yan iD CEKOLTE ac1 gt 1 gt yes o 3 804 uw 1 1 YER m we iD g Y g Y Y g Yecs D 8 8 g 8 g 8 8 8 EN 5 e ide 9711 mua ms 07 4 7 5 acm U 124i 120 ew s Sms SUR 2 3 S e INUON 22 ER DIM INS n2 3 gt fr urn Nyaa 5 DYT29P 1 DM i Em INI E 54 a EE t 1 S68 Ms GB Da Tee Tier Bees D us E Lampen an 2 iad e i nun 1 000 Bra Lay 2 o Seh x 1 m 4 1 LED GR 25 sur 20709 i
5. 4 R e gue Ej gt 9 B LUBSP o RX2 B LUBSM es 4 RXC LUBCKP RXC LUBCKM zi LUB2p lt 3 4 gt 3 3V PL 1 AA 2 392 9 15 REXT U201 LUBIE z S 556 TSUSSAL CUBem 3s 1U l _ N g se nLEXZCS N C 42 m 34 RDZZSCL N Vere lt 2 gt MST RESET INT N La 2 4 DIMADT 8 A2 3 s a 62 X IN XIN Ans En ADS 24 XOUT BYPASS BUSTYPE N AUSS_LPLL EMT 55 489 en mon an 525 4 0 ee 2 2 222 6666666 6666 gg Waveforms CLKOUTP A CLKOUTM A Y1P A Y1M A YBP A Yem A CLKOUTP B CLKOUTM B Y1M B YEm B 2 3 4 BU PL ADL lt 2 gt ema 25 2 3 390 45 45 45 45 4 4 4 4 4 4 4 4 4 1 BUD 30D 1 U201 96 97 top 3 181 Acqs j C1 Freq 12 0028 100 6 Chi 7 71 84 16 Aug 2004 20 43 45 3 R216 R778 H
6. Service Guide Specification 1 Model Description LEE H J KIM J O 05 11 16 05 11 16 L1917S BNN 38289S0033J 2 Printing Specification 1 Trim Size Format 215mm x 280 mm 2 Printing Colors Cover LG COLORS Inside Black 3 Stock Paper Cover Snow White 150 4 1 Inside Snow White 100 g 4 Printing Method 5 Bindery Saddle stitch 6 Language English 7 Number of pages 28 Including blank 1page 3 Special Instructions 1 Origin Notification LGEDI Printed in Indonesia LGEWA Printed in U K LGESP Printed in Brazil LGEMX Printed in Mexico LGENT Printed in China LGEIL Printed in India Xo MM DD YY SIGNATURE CHANGE NO CHANGE CONTENTS Front cover Inside blank English Pagination sheet English English 22 English English 23 English English 24 English English 25 3828950033 Total pages 28 English Rear cover Inside 26 Website http biz L Gservice com G E mail http www LGEservice com techsup html COLOR MONITOR CHASSIS NO CL 82 MODEL FLATRON 119175 L1917S SNN AR EP FLATRON L1917S L1917S BNN AR EP Same model for Service CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Blank CONTENTS SPECIFICATIONS 2 ADJUSTME
7. gt 4 UDD3 DA4 41 uv R534 1 ANNE a gt ed s jNCI Das f iS 5542 7 Hu TYPE RST DAS erasa 4 2 1 UDD HBLANK 37 2 ics Dii po 3 UBLANK 2 18 055 DAT _HCLAMP L 3s Far 18P DAG 34 2 1 A 12 X1 DA13 4 e 13 ISDA 12 4 SCLK e i4 ISCL DALI 45 EEPROM 1 2 e gis p4 2 DALO se isl 11 MST RESET 15 2 HSCL 28 r 619 17 0 HSDA 28 e An 1_1 27 443 E Te is P3 2 INTO 25 TE fe 2 25 a 2 P1_3 P1_6 24 c528 15 P1 4 1_5 2 0 810 lt 3 45 SUR 2 T 1 e R544 AN D 4 7K G4 SUR AN R543 3 2 SUR 34 u gt ucc s R548 AN 4 7K 2 JAL we 2 213 T 45 e2 SCL AN2 N Krona 2 ajaa sss FS We R545 s 0505 R549 470 33 usa2 Waveforms ANALOG NO USE DIGITAL USE 2 U501 43 H SYNC RE 00Ms s 144 Acqs E F 1 C1 Fre S AT2kHz BT 2007 2 44 V 18 Aug 2004 09 00 51 Missus 2 U501 44 V SYNC Stop 3 Acgs 1 histogram Bi Mc 18 Aug 2004 09 02 50 DDET
8. 11 ADJUSTMENT Windows EDID V1 0 User Manual Operating System MS Windows 98 2000 XP Port Setup Windows 98 gt Don t need setup Windows 2000 XP gt Need to Port Setup This program is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe All User Mode Processes Grant List Enter Grant Intervall 0x000 0x3ff 0 x Through AUserPort Grant List Enter Grant Intervall 0x000 0x3tf c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 12 2 EDID Read amp Write 1 Run WinEDID exe 1 0 5 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button SERVICE OSD 1 Turn off the power switch at the front side of the display 2 Wait for about 5 seconds and press MENU POWER switch with 1 second interval 3 The SVC OSD menu contains additional menus that the User OSD menu as described below a Auto Color W B balance and Automatically sets the gain and offset value b NVRAM INIT EEPROM initialize 24C08 c CLEAR To initialize using time d AGING Select Aging mode on of
9. 1608 C814 OCE107EF610 100UF KMG RD 16V 20 FL BULK R523 08047010677 4 7K OHM 1 10 W 5 1608 R TP C817 OCK105CD56A 1UF 1608 10V 10 X7R R530 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP C818 0CC102CK41A 1000 1608 50V 5 NPO R534 0800000677 0 1 10 W 5 1608 C819 OCK105CD56A 10 1608 10V 10 X7R R535 0RJ3301D677 3 3K OHM 1 10 W 5 1608 DIODEs R537 0RJ3301D677 3 3K OHM 1 10 W 5 1608 R543 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP D701 ODSIHO0018A ENKMC2837 T112 LF ISAHAYA R544 0RJ4701D677 4 7K OHM 1 10 W 5 1608 21 DATE 2005 10 24 DATE 2005 10 24 S LOC NO _ PART NO DESCRIPTION SPECIFICATION S FAL LOC NO PART NO DESCRIPTION SPECIFICATION R545 0547000677 470 OHM 1 10 W 5 1608 R TP LED1 ODLLTOO89AA LITEON LTL 1BEDJ 0C2 TP GREE R547 0547000677 470 OHM 1 10 W 5 1608 R548 ORJ0332D677 33 OHM 1 10 W 5 1608 R TP R549 ORJ0332D677 33 OHM 1 10 W 5 1608 R TP R555 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R557 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R560 0RJ4702D677 47000 OHM 1 10 W 5 1608 R T R701 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R702 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R703 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R704 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R706 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R708 0RJ4700D677
10. 2121 AA 2 SUR i 5 68 sw aj EI LED On 3 1 27 OOO ES 3 9 we SR dm KEY ze cas iam 126 25 sn OOO E KEY1 EN 1 Nes nr 5R T BB z SR d ures BI Or K S Pas i wele RES iav 1 Be ems i e 22 588 D SCLB zd 4 9 sia e 5 more 4 AI 23 dex iex Ex Ls er 2 KEYL 10 Waveforms 3 R216 R778 H Sync 3 R217 781 V Sync EEE 5 00 5 5 144 Acqs HIR 5 0cks s 3 Acas 1 E F 1 M iit di ed si a Ba 4 2724 MI 200mv BD 110 0 1 40V 18 Aug 2004 09 02 50 26 Oct 2005 P NO 38289S0033J Printed in Korea
11. 1 4W 3 5 TA52 R2 0RD4701Q609 4 70K 1 4W 3 5 TA52 R3 0RD4701Q609 4 70K 1 4W 3 5 TA52 R4 0RD2001Q609 2K OHM 1 4 W 3 4 5 00 52 R5 0RD2001Q609 2K OHM 1 4 W 3 4 5 00 52 SW1 140 058E SKHV10910B LGEC NON 12V 20 SW2 140 058E SKHV10910B LGEC NON 12V 20 SW3 140 058E SKHV10910B LGEC NON 12V 20 SW4 140 058E SKHV10910B LGEC NON 12V 20 SW5 140 058E SKHV10910B LGEC NON 12V 20A 201 0DZ560009AG GDZJ5 6B TP GRANDE 00 34 500 202 0DZ560009AG GDZJ5 6B TP GRANDE 00 34 500 22 SCHEMATIC DIAGRAM 1 TSU56AL TSU16AL 15X X 3N L 1 PXXBN 19XXBN T SUSA TSU16A 3933 3UD 1 8 3 4 3U PL PAD IN 3 es 9 SSR EER B Bag J a 88 55 gHog 22 A gt 11 1 253235225 29335 a 8 d 1 2 m 2 444 4 RED A 25 4 GRN A 1 2 2 GIN P LLURSM 1 2 22 GINZM LUACKP 58 ijL2 a 24 SOGING LURCKM s lt 4 BLU A 14 2 21 BIN P Lursp se 2 a ze LURZM A CUR P se 4 RX
12. 470 OHM 1 10 W 5 1608 R TP R709 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R712 0501020677 10 OHM 1 10 W 5 1608 R TP R716 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R717 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R720 0RJ0000D677 0 OHM 1 10 W 5 1608 R722 0RJ1000D677 100 OHM 1 10 W 5 1608 R723 08 03320677 33 OHM 1 10 W 5 1608 R TP R724 0203320677 33 OHM 1 10 W 5 1608 R TP 726 0510020677 10K OHM 1 10 W 5 1608 R TP 727 0510020677 10K OHM 1 10 W 5 1608 R TP 737 0500000677 0 OHM 1 10 W 5 1608 R744 0RJ4701D677 4 7 OHM 1 10 W 5 1608 R TP R747 0RJ4701D677 4 7 OHM 1 10 W 5 1608 R TP R751 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP R752 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R753 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R754 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R755 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R769 0RJ0000D677 0 OHM 1 10 W 596 1608 R TP R778 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP R781 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP R803 ORHO0000D622 0 OHM 1 10 W 2012 5 00 D R808 0500000677 0 OHM 1 10 W 5 1608 R814 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R815 0RJ5600D677 560 OHM 1 10 W 5 1608 R TP R816 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R820 0RJ0000D677 0 OHM 1 10 W 596 1608 R TP R821 ORH0000D622 0 OHM 1 10 W 2012 5 00 D R824 0502720677 27 OHM 1 10 W 5 1608 R TP 825 0520000677 200 OHM 1 10 W 5 1608 R TP OTHERs X501 6212AA2004A HC 49U TXC 12 0MHZ 30 PP CONTROL BOARD R1 0RD4701Q609 4 70K
13. B Analog 2 Voltage Level 0 0 7 a Color 0 0 0 Vp p b Color 7 0 0 467 Vp p c Color 15 0 0 714 Vp p 3 Input Impedance 75 Q 3 3 Operating Frequency Horizontal Vertical 30 83kHz 156 75Hz 5 2 Power Consumption MODE H V SYNC VIDEO POWER CONSUMPTION LED COLOR POWER ON NORMAL ON ON ACTIVE less 39 W GREEN STAND BY OFF ON OFF lessthan 1W AMBER SUSPEND ON OFF OFF lessthan 1W AMBER DPM OFF OFF OFF lessthan 1W AMBER POWER S W OFF less than 1W OFF 6 ENVIRONMENT 6 1 Operating Temperature 10 C 35 C 50 F 95 F 6 2 Operating Humidity 1026 8096 6 3 MTBF Lamp Life 50 000 HRS with 9096 Confidence level 50 000 Hours Min 7 DIMENSIONS with TILT SWIVEL Width 418 mm 16 46 Depth 219 mm 8 62 Height 421 mm 16 57 8 WEIGHT with TILT SWIVEL Net Weight Gross Weight 4 6 kg 10 14 Ibs 6 8 kg 14 99 PRECAUTION WARNING FOR THE SAFETY RELATED COMPONENT There are some special components used in LCD monitor that are important for safety These parts are marked Non 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 hazard Do not modify original design without obtaining written permission from manufacturer or you will void the original
14. DIMADI LAMPADI MODON ALE WRZ LED_GR LED_AM RDZ D SCLA D SDAA KEYO KEY1 sur 3 lt 4 lt 1 4 gt lt 4 1 lt 19 0 lt 4 lt 19 64 64 64 4 24 3 POWER 2 1SXXBN 17XXBN L 1 9XXBN POWER 1 IN 3 GND F nozi F REGS 15 USE N C N C a ris Ne e Jo jvc 1 A Be 33T 2 45 ol 8 e AAN Ex amp 1 AA 3 3U PL R823 G Rapa lt 1 4 4771W 2 DIP 12 5 3 300 a 17 AUO THE REST lt C814 DIP TYPE 1021716 5 asa RADIAL 2 2012 KTAL273 TEMP 105 2 4 SUR tAA2 e K 45 1295 mE rog 3 R811 0 2012 4 5 ity 3 1 8 amp SUR Ti 718 RUT ESUZ CHOROS ii 2 gt Lie 1205 2037 2012 20072012 me TE m Dapa MP 105 READY 1 T MODON 222 CO i In KST3904 3 e 2 caas ou L KDS184 5 READY 3 3U 5U MOD e 4 SERE ed FDC6326L 12 J cams gt R815 R2l T PAREEN 1 U7 LEU e 1 5 DN orruouri e 8 1472 A x
15. Sync GENE 5 00 5 5 144 Acqs 1 C1 Freq 48 472kHe B xnv CHT 77724437 18 Aug 2004 09 00 51 3 R217 R781 V Sync top 3 Acqs C1 Freq 60 234 H2 Unstable histogram Sors esie PAER i Ju oos CRT 40 V 18 Aug 2004 09 02 50 C217 ca218 219 21U 2 010 2 01U 21 Top oa beet aa tome Cais C214 C215 cals cas MUT zu a DER a eu 221 c223 C2235 2 2T eu 2 alu 11 cali 9 210 9 210 23 2 MICOM 1 XXEBFNN L 19SXXBN gt L LOSXXBN I kJ c4 o E MUTE 3 45 Resa 15 19 17 RU 47K 4 of a csas EE c524 17 AU THE REST 1 5K X OUT 010 100 160 e Ras a B USO 2 RSE A ZK EUR de MTUSI2PLCC EIE AN 1 USYNG 44 1 2 iaa R537 2_DA1 HSYNC 43 9 R557 1 NN 2 ima 3 DAG DAS 4 5 9
16. is stored EEPROM 10 LIPS Board Block Diagram RE EMI INPUT RECTIFIER ENERGY 100KM OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 240V PWM PHOTO SIGNAL COMTROL COUPLER COLLENT CIRCUIT ISOLATION ION PRIMARY SECONDARY Operation description_LIPS 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 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
17. 408138 CAT24WCO8J TE13 8P SOIC R TP C221 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 0801 OIPMGKEO11A KIA78D33F 3 3V C222 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 223 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y TRANSISTOR 224 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 225 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 0503 OTRKE80046A 2N3904S R TP SOT23 60V 2 226 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y 0504 OTRKE80046A 2N3904S R TP SOT23 60V 2 230 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 0505 OTRKE80046A 2 39045 R TP 50723 60V 2 C231 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R Q703 OTR390609FA FAIRCHILD KST3906 MTF TP SOT C232 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R Q704 OTR390609FA FAIRCHILD KST3906 MTF TP SOT C233 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R Q803 OTR127309AA KTA1273 TP KEC TO92 Y KTA96 C240 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R 0802 OTFVIB0067A SI3865BDV E3 VISHAY R TP TS C251 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y C503 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y RESISTORs C504 OCH8106F611 10UF 16V M85STD CYL C506 3PF 1608 50V 0 25 PF R TP NP R201 0RJO682D677 68 OHM 1 10 W 5 1608 R TP 507 0 180 41 18PF 1608 50V 5 R TP NPO R202 ORJO682D677 68 OHM 1 10 W 5 1608 R TP C508 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y R203 0806820677 68 OHM 1 10 W 5 1608 R TP C701 OCK10
18. 5CD56A 1UF 1608 10V 10 R TP X7R R207 0RJ3900D677 390 OHM 1 10 W 5 1608 R TP C707 8 68PF 1608 50V 5 R TP NPO R208 0806820677 68 OHM 1 10 W 5 1608 R TP C708 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y R209 0806820677 68 OHM 1 10 W 5 1608 R TP C709 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y R210 ORJ0682D677 68 OHM 1 10 W 5 1608 R TP 717 OCC101CK41A 100PF 1608 50V 5 R TP NPO R216 0800000677 0 1 10 W 5 1608 718 0 101 41 100 1608 50V 5 R TP NPO R217 0800000677 0 1 10 W 5 1608 C727 OCK105CD56A 1UF 1608 10V 10 R TP 7 R220 08047010677 4 7K OHM 1 10 W 5 1608 R TP 732 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y R240 ORJ1001D677 1 1 10 W 5 1608 C733 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R R501 08 47010677 4 7 OHM 1 10 W 5 1608 R TP C734 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R R503 0RJ4701D677 4 7 1 10 W 5 1608 C735 OCK104CK56A 0 1UF 1608 50V 10 R TP X7R R506 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP C744 OCC680CK41A 68PF 1608 50V 5 R TP NPO R508 0RJ4701D677 4 7 1 10 W 5 1608 R TP C803 OCE107EF610 100UF KMG RD 16V 20 FL BULK R520 0RJ4701D677 4 7 1 10 W 5 1608 R TP C809 OCK103CK51A 0 01UF 1608 50V 10 R TP B Y R521 ORJ4701D677 4 7 OHM 1 10 W 5 1608 R TP C812 OCE107EF610 100UF KMG RD 16V 20 FL BULK R522 0RJ4701D677 4 7K OHM 1 10 W 5
19. 6 VOUTZ 8 TEMP 185 N a C819 R824 C817 1 R814 R815 Re25 10 LU T 22K 56a 1 202 X IL 1 TSUS6AL EP ge1U 989373 15 17 19 TYPE 25 4 CONNECTOR amp JACKS L15XXBN L 17XXBN L 19XXBN rT CONNECTOR amp JACKS am CLKOUTM RC1 rw mim 27 CLROUTR ACL gt m aa a 4 mee a ot 4 mas AS am 4 4 Y DSUBi15P D 008 4 v wise
20. 97 GENE 500 5 5 2 181 Acqs 5 00 5 5 L E F 2 U501 43 H SYNC 144 Acqs po Mic Rn Mio Ops Chi 72447 18 Aug 2004 MOORE BT Z ERIT 16 aug 2004 an 1 007 09 00 51 2 0501 44 V SYNC stop 500575 H 3 Acqs 60 234 Rz Unstable histogram MTO oms Chi 7 TATV 18 Aug 2004 ich 16 4 TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC gt PC IS NOT GOING INTO DPM OFF MODE NO 3 R216 217 R778 R781 0501 PIN 43 44 NO SYNC PULSE TROUBLE 0501 Waveforms 3 R216 R778 H Sync 3 R217 R781 V Sync SEE 48 472 2 Jul zov Techs CH 243 V 18 Aug 2004 histogram MI 09 00 51 M 0 0ms Chi 1 40 18 Aug 2004 gt CHECK SYNC LINE 17 WIRING DIAGRAM Connector Ass y P N Connector Ass y P N 6631T20023A 6631 T11012W u 30P 11P 6P y Connector Ass y P N 6631T20022G 18 EXPLODED VIEW 19 EXPLODED VIEW PARTS LIST
21. NT emnes 12 PRECAUTIONS 3 TROUBLESHOOTING 14 TIMING CHART 7 WIRING DIAGRAM 4 2 2 2 18 DISASSEMBLY 8 EXPLODED VIEW 19 BLOCK DIAGRAM a 9 REPLACEMENT PARTS LIST 21 DESCRIPTION OF BLOCK 10 SCHEMATIC DIAGRAVM 23 SPECIFICATIONS 1 LCD CHARACTERISTICS 4 MAX RESOLUTION Type TFT Color LCD Module Analog 1280 x 1024 75Hz Active Video Area 19 inch Size 404 2 H x 330 0 V x 19 0 D 5 POWER SUPPLY Pixel Pitch 0 294mm x 0 294 5 1 Power 100 240V 50 60Hz 1 0A Color Depth Surface Treatment Backlight Unit 4 CCFL Opraating Mode _ Transmissive mode Normally white Electrical Interface LVDS interface 16 2M color 6 Bit FRC Anti Glare Hard Coating 3H OPTICAL CHARACTERISTICS 2 1 Viewing Angle by Contrast Ratio gt 10 Left 60 min 70 typ Right 60 70 typ 55 65 typ Bottom 55 min 65 typ 2 2 Luminance 200 250 typ 2 3 Contrast Ratio 350 min 500 typ SIGNAL Refer to the Timing Chart 3 1 Sync Signal Separate Sync Composite Sync SOG 3 2 Video Input Signal 1 Type R G
22. all latches are separated 2 5 3 Put the front face down 3 5 6 Disassemble back cover BLOCK DIAGRAM SGINL INOOIIN ONIHOLIMS 1 ZLEALIN Y31V9S SGAT 9QaV Duipnjour 1991 51 Buyeu is San 21 ELZLVLM HL 9 1VI9LNSL amp ndul ov DESCRIPTION OF BLOCK DIAGRAM 1 Video Controller 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 25 2 to 135 2 This part consists of the Scaler ADC and TMDS receiver The Scaler gets the video signal converted analog to digital interpolates input to 1280 X 1024 resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the 3 3V regulator to convert power which is provided 12V 5V in Power board 5V is provided for MICOM and LCD panel is converted 3 3V by regulator and 3 3V is converted 1 8V scaler amp KTA1273 Converted power is provided for IC in the main board 3 MICOM Part This part consists of EEPROM IC which stores control data and the Micom The Micom distinguishes polarity and frequency of the H V sync are supplied from signal cable The controlled data of each modes
23. crimp each connection and solder it Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder 2 3 Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake Securely crimp the leads of replacement component around notch at stake top Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures 2 3 Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connections 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge ju
24. ction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuitboard printed foil Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F First hold the soldering iron tip and solder the strand against the component lead until the solder melts Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the component lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush b IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the circuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully
25. d such as WATER PIPE CONDUIT etc L To Instrument s exposed METALLIC PARTS 1 5 Kohm 10W SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly Disconnecting or reconnecting any receiver electrical plug or other electrical connection Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard d Discharging the picture tube anode Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc Discharge the picture tube anode only by a first connecting one end of an insulated clip lead to the degaussing or kine aquadag grounding sy
26. evices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly Use only a grounded tip soldering iron to solder or unsolder ES devices Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replace
27. f e R G B 9300K Allows you to set the R G B 9300K value manually f R G B 6500K Allows you to set the R G B 6500K value manually g R G B Offset Allows you to set the R G B Offset value manually Analog Only h R G B Gain Allows you to set the R G B Gain value manually Analog Only i MODULE To select applied module 900006 5 O O O1 15 0 Video Signal He 28 6 Generator 6q 881 BEE PARALLEL PORT 0 00 s O 0 0 00000 O O1 svo OFF i 5 8 Power inlet required Z Select Switch 91419 NN 110V 220V 99666 1 Power LED En I 741506 V Sync On Off Switch Switch must be ON Figure 1 Cable Connection 13 TROUBLESHOOTING GUIDE 1 NO POWER NO POWER POWER INDICATOR OFF CHECK POWER BOARD AND NO FIND OUT A SHORT POINT AS OPENING PINS PING 5V EACH POWER LINE CHECK NO CHECK 5VS LINE U501 PIN 8 Voltage PEN CHECK BV 9 OPE CHECK pe NO PROBLEM CHECK KEY CONTROL CONNECTOR ROUTINE IS U201 NO PIN90 3 3V CHECK 3 3V LINE VOLTAGE Da NO CHECK U201 PIN 96 gt CHECK X TAL PULSE YES CHECK U201 Wavefo
28. insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas 3 Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body Bend into a U shape the end of each of three leads remaining on the circuit board Bend into a U shape the replacement transistor leads Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection 2 3 4 Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads Remove the heat sink mounting screw if so equipped Carefully remove the transistor from the heat sink of the circuit board Insert new transistor in the circuit board Solder each transistor lead and clip off excess lead Replace heat sink 2 3 4 5 6 Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as possible to diode body Bend the two remaining leads perpendicular y to the circuit board Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board Securely
29. ment ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead Keep the soldering iron tip clean and well tinned Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25cm brush with a metal handle Do not use freon propelled spray on cleaners Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F Heat the component lead until the solder melts Quickly draw the melted solder with an anti static su
30. mper wire and carelully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges TIMING CHART VIDEO SYNC lt lt Dot Clock MHz Horizontal Frequency kHz Vertical Frequency Hz Horizontal etc us Vertical etc ms gt gt
31. parts and labor guarantee TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT Must mount the module using mounting holes arranged in four corners Do not press on the panel edge of the frame strongly or electric shock as this will result in damage to the Screen 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 Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel A CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation WARNING BE CAREFUL ELECTRIC SHOCK If 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 Handle with care wires or connectors of the inverter circuit If the wires are pressed cause short and may burn or take fire Leakage Current Hot Check Circuit AC Volt meter Good Earth Groun
32. rms 1 0201 496 BITE 500 5 5 if 181 Acqs AUAM ov Moons 1 84 V 16 Aug 2004 20 43 45 14 2 NO RASTER OSD IS NOT DISPLAYED LIPS NO RASTER OSD IS NOT DISPLAYED J705 PINS PING 5V 4705 9 2 5V J705 PIN10 5V YES CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE 5 CHECK POWER BOARD FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON OFF PORT NO gt NO gt NO gt NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT REPLACE CCFL LAMP IN THE LCD MODULE gt LIPS 15 3 NO RASTER OSD IS NOT DISPLAYED MSTAR NO RASTER OSD IS NOT DISPLAYED U201 PIN 18 90 NO CHECK U801 17 19 3 3V U201 PIN96 97 NO CHECK U803 15 1 CHECK PIN122 123 SOLDERING CONDITION OSCILLATE AS 12MHZ YES U501 PIN43 IS 48KHz H SYNC PIN44 IS 60Hz V SYNC NO 2 CHECK X501 3 TROUBLE IN U201 CHECK CONNECTION LINE IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 je TROUBLE IN CABLE OR LCD MODULE Waveforms FROM D SUB TO U501 1 u201 496
33. stem shield at the point where the picture tube socket ground lead is connected and then b touch the other end of the insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage Do not spray chemicals on or near this receiver or any of its assemblies Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last b 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state d
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