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COLOR MONITOR SERVICE MANUAL

1. ere OE 6 doge A PARALLEL PORT 000 9000000 0 OFF ON 5vo sire 2 8 Power inlet required Power Select Switch d ON 110V 220V EX 5 Power LED OFF p ST Switch Va E V Sync On Off Switch Switch must be ON Figure 1 Cable Connection 14 TROUBLESHOOTING GUIDE 1 NO POWER NO POWER POWER INDICATOR OFF CHECK POWER BOARD 1 CHECK P702 VOLTAGE NO AND FIND OUT A SHORT PINS PING 5V POINT AS OPENING EACH POWER LINE 2 IS 12601 PIN2 1 8V NO gt CHECK IC601 1 8V 3 602 PIN2 3 3V IC602 3 3V LINE ves NO 4 CHECK 501 PIN108 gt CHECK CRYSTAL X501 PULSE ves CHECK IC501 Waveforms 11 702 5 6 2 IC601 42 3 IC602 42 4 IC501 4108 i T V Vi VE Vy X SE T004 Glitch Chi 5 Apr 2006 ich 7007 CRT 5 Apr 2006 a 1 00 MiTo onis Eliten CHT 3 apr 2006 15 2 NO RASTER OSD IS DISPLAYED LIPS NO RASTER OSD IS NOT DISPLAYED 702 VOLTAGE PIN5 6 5V YES P702 PIN9 5V 2 CHEC
2. 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button Click Write button c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 243 SERVICE OSD 1 Turn off the power switch at the right side of the display 2 Wait for about 5 seconds and press MENU POWER switch for 1 second interval 3 The SVC OSD menu coniains additional menus that the User OSD menu as described below a CLEAR To initialize using time c Auto Color W B balance and Automatically sets the gain and offset value press key for over 3 sec AGING Select Aging mode on off Module To select applied module NVRAM INIT EEPROM initialize 24C16 press key for over 3 sec 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 d b d 2 I TD Video Signal Generator
3. AUDIQ ONL AUDTO 12VR 26 3 WAFER BVA 705 1712 SMW200 28C KOS184 pipe pocav F702 oye SMWZ00 14 DD 5 5730F 10701 AT2A4COPBN 10SLI 1 A ca SV MOD 12VH 45VR 2 D il RED 07 18MM80301LT1 BLUE lt 4 lt ua I ELKDUTTEA lt e Y8P A T I eem EVA 123 P703 KEN DS 3 0062 vima 1 e a 4 TINVEN 11 IDIMACM 41 _ YOP A y Cor o Y3P B I 9 c3 Y3v B8 e UB lt ILANPADJ 11 UB Hayne 26 UB veync 99 YeP 8 44 Y 44 a ag vors 99 4 SVA ag P701 I GH11121 DNO D gt BURHROB I5 lt M P711 12505A5 DEA00 SVHFD 3 M 509 0762 9703 0794 D705 D706 D708 KDS226 KDS226 KOS226 KDS226 KDS226 AG X X X AC O TUF C721 5 MMBD3O1LT 10702 me ATBAC
4. TROUBLE IN DPM CHECK R720 AND R726 SYNC APPEARED CHECK IC501 PIN89 90 SYNC PULSE YES NO CHECK PC PC IS GOING INTO DPM MODE YES NO CHECK H V SYNC LINE TROUBLE IN IC501 2 v SYNC Tek SETE 25 0k5 s t 1 H SYNC Tek 10 085 Waveforms 1798 Acqs 00 Gar zov 09 08 11 MiG 0ps 2081 5 Apr 2006 Chi 7 328V 5 Apr 2006 09 11 14 18 WIRING DIAGRAM 11P 6631900109A 6631T20020Q EAD36549101 4P _ 6631 12031 EXPLODED VIEW 20 Note Safety mark EXPLODED VIEW PARTS LIST No Part No Description 174 6410TEWO10A Power Cord CEE LP 344 amp 8HOSVV FX3C LS 60_1 87M_BLK LP 34A LS 60 1 87M NONE 250V 16A HOSVV F 3X0 75MM2 BLACK VDE N LONGWELL COMPANY N 200 EAJ36500301 LCD Module TFT LM220NET TLB1 DRIVER 22 01NCH 1680X1050 30000 COLOR 72 16 10 800 1 Glare P6 Sms 160 160 TLI T con IC OKI Novatek Source D IC Gate D IC Heesung N 300 ABJ32761403 Cabinet Assembly L226W LM62A 23 Glare cabient NT Assy 310 MEY33947503 Knob MOLD ABS MAIN 5 L225W Control Knob 5Key Black 320
5. less than 45 W typ Left 75 min 85 Typ Right 75 min 85 Typ STAND BY OFF ON OFF lessthani1W AMBER Top 70 min 80 Typ Bottom 70 min 80 Typ SUSPEND ON OFF OFF lessthan 1W AMBER 2 2 Luminance 180 Typ 30 SRGB DPMS OFF OFF OFF OFF less than 1 W AMBER 220 min 300 Typ 6500K POWER S W OFF less than 1 W OFF 150 min 9300K 2 3 Contrast Ratio 450 min 700 Typ DFC gt 3000 1 Typ 2500 1 Min SIGNAL Refer to the Timing Chart 3 1 Sync Signal Type Separate Sync SOG Digital 3 2 Video Input Signal 1 Type G Analog 2 Voltage Level 0 0 7 V 3 Input Impedance 75 0 3 3 Operating Frequency Horizontal 30 83kHz Vertical 56 75Hz ENVIRONMENT 6 1 Operating Temperature 10 C 35 C 50 F 95 F 6 2 Relative Humidity 1096 8096 Non condensing 6 3 MTBF 50 000 HRS with 9096 Confidence level Lamp Life 40 000 Hours Min 7 DIMENSIONS with TILT SWIVEL Width 466 2 mm 18 35 Depth 226 mm 8 90 Height 384 mm 15 12 WEIGHT with TILT SWIVEL Net Weight Gross Weight 5 65 kg 12 46 1 5 7 95 kg 17 53 Ibs Signal Connector Pin Assignment DVI D Connector Digital 0 Data2 16 Hot Plug Detect 0 Data2 17 D 5 DataO 0 Data2 4 Shield 18 T M D S Data0 0 Data4 19 D 5 Data0 5 Shield 0
6. 1 10W 1608 R605 0RJ0752D677 MCRO3EZPJ750 75OHM 5 1 10W 1608 FILTERs R606 0RJ0682D677 MCRO3EZPJ680 68 5 1 10W 1608 R607 ORJO000D677 MCRO3EZPJO00 5 1 10W 1608 R L501 6210TCE0013 HB 1M1608 121JT 1200HM 1 6X0 8X0 R608 0RJ0682D677 MCRO3EZPJ680 68 5 1 10W 1608 L502 6210TCE0013 HB 1M1608 121JT 1200HM 1 6 0 8 0 R609 0RJ4700D677 MCRO3EZPJ471 4700HM 5 1 10W 1608 R610 ORJO102D677 MCRO3EZPJ100 100HM 5 1 10W 1608 TRANSISTORS R611 08401020677 MCRO3EZPJ100 100HM 5 1 10W 1608 R612 08401020677 MCRO3EZPJ100 100HM 5 1 10W 1608 0502 OTRDI80002A MMBT3904 F NPN 6V 60V 40V 200MA R613 08401020677 MCRO3EZPJ100 100HM 5 1 10W 1608 Q601 OTR390609FA KST3906 MTF PNP 5V 40V 40V 0 R614 0RJ0102D677 MCRO3EZPJ100 100HM 5 1 10W 1608 Q602 OTR390609FA KST3906 MTF PNP 5V 40V 40V 0 R615 08401020677 MCRO3EZPJ100 100HM 5 1 10W 1608 R616 0RJ4700D677 MCRO3EZPJ471 4700HM 5 1 10W 1608 RESISTORs R617 0RJO102D677 MCROSEZPJ100 100HM 5 1 10W 1608 R618 ORJO102D677 MCRO3EZPJ100 100HM 5 1 10W 1608 R503 ORJ1000D677 MCRO3EZPJ101 1000HM 5 1 10W 1608 R619 08 10010677 MCRO3EZPJ102 1KOHM 5 1 10W 1608 R511 047010677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R620 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R514 0800000677 MCRO3EZPJO00 5 1 10W 1608 R R621 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R519 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R622 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R524 0
7. 10 50V X7R C712 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C543 OCK104CK56A 0603 104 500 100nF 10 50V X7R C713 OCK103CK51A 0603B103K500CT 10nF 10 50V C544 OCK104CK56A 0603 104 500 100nF 10 50V X7R C714 OCK103CK51A 0603B103K500CT 10nF 10 50V C545 OCK104CK56A 0603 104 500 100nF 10 50V X7R C715 OCK103CK51A 0603B103K500CT 10nF 10 50V C546 OCK104CK56A 0603 104 500 100nF 10 50V X7R C716 OCK103CK51A 0603B103K500CT 10nF 10 50V C547 OCK104CK56A 0603 104 500 100nF 10 50V X7R C548 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R DIODEs C549 OCC221CK41A 1608 061 221 220pF 5 50V COG C550 OCK104CK56A 0603 104 500 100nF 10 50V X7R D601 0DS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 C551 0CC180CK41A C1608C0G1H180JT 18pF 5 50V COG D602 0DS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 C552 0CC180CK41A C1608C0G1H180JT 18pF 5 50V COG D603 0DS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 C554 OCK104CK56A 0603 104 500 100nF 10 50V X7R D604 0DS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 22 DATE 2007 05 22 DATE 2007 05 22 S 10 PART NO DESCRIPTION SPECIFICATION S PAL LOC NO PART DESCRIPTION SPECIFICATION 0605 00 226009 KDS226 1 2V 85V 300MA 2A 4NSEC 15 R547 0RJ0562D677 MCRO3EZPJ560 560HM 5 1 10W 1608 D606 0DS226009AA KDS
8. 100nF 10 50V X7R C529 OCK104CK56A 0603 104 500 100nF 10 50V X7R C622 OCK104CK56A 0603 104 500 100nF 10 50V X7R C530 OCK104CK56A 0603 104 500 100nF 10 50V X7R C623 OCK103CK51A 0603B103K500CT 10nF 10 50V C531 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C625 OCK103CK51A 0603B103K500CT 10nF 10 50V C532 OCK104CK56A 0603 104 500 100nF 10 50V X7R C627 OCK104CK56A 0603 104 500 100nF 10 50V X7R C533 OCK104CK56A 0603 104 500 100nF 10 50V X7R C701 OCK105CD56A C1608X7R1A105KT 1 10 10V X7R C534 OCK104CK56A 0603 104 500 100nF 10 50V X7R C702 0CC102CK41A C1608C0G1H102JT 1nF 5 50V 5 C535 OCK104CK56A 0603 104 500 100nF 10 50V X7R C703 OCK103CK51A 0603B103K500CT 10nF 10 50V C536 OCK104CK56A 0603 104 500 100nF 10 50V X7R C704 OCE227EF638 KMG5 0TP16VB220M 220uF 20 16V 21 C537 OCK104CK56A 0603 104 500 100nF 10 50V X7R C706 OCE107EF610 KMG16VB100M 100uF 20 16V 125MA C538 OCK104CK56A 0603 104 500 100nF 10 50V X7R C708 OCE107EF610 KMG16VB100M 100uF 20 16V 125MA C539 OCK104CK56A 0603 104 500 100nF 10 50V X7R C709 OCK104CK56A 0603 104 500 100nF 10 50V X7R C540 OCK104CK56A 0603 104 500 100nF 10 50V X7R C710 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C541 OCK104CK56A 0603 104 500 100nF 10 50V X7R C711 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C542 OCK104CK56A 0603B104K500CT 100nF
9. 5 1 10W 1608 70607 00756000968 BZT52C5V6S F 5 6V 5 2TO6V 400HM R589 0RJ0222D677 MCRO3EZPJ220 220HM 5 1 10W 1608 70608 0DZ560009GB BZT52C5V6S F 5 6V 5 2TO6V 400HM R590 0RJ0332D677 MCRO3EZPJ330 5 1 10W 1608 70610 0DZ560009GB BZT52C5V6S F 5 6V 5 2TO6V 400HM 591 0RJ0332D677 MCRO3EZPJ330 5 1 10W 1608 R592 0800000677 MCRO3EZPJO00 5 1 10W 1608 R ICs R593 0800000677 MCRO3EZPJO00 5 1 10W 1608 R R594 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 12501 EAN36489804 L226WTQ GUMI FRESH MEMORY 8595 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 12502 EAN31470701 GM5822H LF AA 1 8VTO3 3V 14 3MHZ R596 0800000677 MCRO3EZPJO00 5 1 10W 1608 R 12503 EAN31557001 HY57V161610FTP 6 16MBIT 1MX16BIT R597 ORJ2001D677 MCRO3EZPJ202 2KOHM 5 1 10W 1608 12504 EAN31557001 HY57V161610FTP 6 16MBIT 1MX16BIT R598 ORJ2001D677 MCRO3EZPJ202 2KOHM 5 1 10W 1608 12505 OIMMRSG036B M24C16 WMNETP 16KBIT 2KX8BIT 2 5V R599 0RJ2702D677 MCRO3EZPJ273 27KOHM 5 1 10W 1608 12601 OIMMRO0014A M24C02 RMNE6TP 2KBIT 256 8 1 8V R601 0RJ4701D677 MCRO3EZPJ472 4 7 5 1 10W 160 12602 OIMMRO0014A M24C02 RMN6TP 2KBIT 256 8 1 8V 8602 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 702 OIPMGSGO16A LD1086D2T18TR 3 4TO30V 1 8V OW 02 R603 0RJ0752D677 MCRO3EZPJ750 75OHM 5 1 10W 1608 IC703 71117 3 3 4 75TO10V 3 3V OW SOT 8604 0RJ0752D677 MCRO3EZPJ750 75OHM 5
10. AX 5 0 ROP PDI7 s OLRIN BDIB VODA 3314 0 R1P PD19 Wis D RPN O CH3P LV PD20 219 vakta D R P 0 CHAN LV PD21 F Jim Eple DOLUKP 0 CLKN LV PD23 REXT 4 vin 0 60N 0 CH2P LV DEN VSSA_DVI_1 1518 0 BOB 0_CHEN LV DHS na 19 vis O b1N 0 CHIP LV UVS 18 Tb D 6 P 0 CHAN LV DOLK DOc_sDA WeayGPIq_17 Y4M B Ul I D SDAA id J 41 L HVEM poet EE EE i cim 1 x RENNENE GSE AAS du le m t az Bas Bg 95 En 4 99 2 5 3 8 ii Pd je Li d 2528 tur D 4 4 H 13 8 1 5 pex on 9 P505 LANPADJ aa ne J iy LIPS uU 5 OY 3 3804 hod mas E d 3 59 SCALAR 10 25 2 POWER TC601 LD1117DT18TR Eg m sur P xi av 20803 1 BV GM 1 10602 AZ141474 3 3 2 DUTRUT 3 3V GM 43 d 47 READY voon peaa 10K READY BV MOD svarola 12vA 15varoL3
11. MEY33947602 Knob MOLD ABS MAIN2 1 L225W Power On Off 330 MFB35967702 Lens MOLD ABS 380 BENQ LENS L226W LED Lens EAGLE EYE PMMA NT CKD A 400 ACQ31701733 Cover Assembly Rear L225W LM62A 23 Backcover LPL DVI D SUB White EU 410 MGJ33948901 Plate Metal PRESS SECC 0 8 SUPPORTER SECC L225W Stand Bracket Metal 420 ADV31702015 Frame Assembly L226W LM62A 23 Rear Shield Assy DVI D D SUB for LPL 430 ADV32121501 Frame Assembly L226W LM62A 23 Lamp shield assy 500 EBU36485604 Main Total Assembly L226WTQ BRAND LM62C 510 6871TPT318E PCB Assembly Power PLLM M602A POWER T T L225W 22 Wide Scaler Dimming LG INNOTEK CO LTD 520 EBR33771801 PCB Assembly Sub CONTROL CKD T T LM62B L225WT KRDGQFN L226WT NT CKD CONTROL 900 AAN31689305 Base Assembly STAND L226WT LM62A STAND HINGE BODY ASSY white A 910 AAN31689205 Base Assembly STAND L225WT LM62A STAND BODY ASSY white N 920 AAN31688005 Base Assembly ASSY L225WT LM62A STAND BASE ASSY white 21 REPLACEMENT PARTS LIST CAUTION BEFORE REPLACING ANY OF THESE COMPONENTS READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL NOTE S SAFETY Mark A AL ALTERNATIVE PARTS DATE 2007 05 22 DATE 2007 05 22 5 AL LOC PART NO DESCRIPTION SPECIFICATION S FAL LOC DESCRIPTION SPECIFICATION MAIN BOARD CAPACITORs C555 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R C556 OCK104
12. 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 146MHz In L226WT WTM This part consists of the Scaler ADC convertor TMDS receiver and LVDS transmitter The Scaler gets the video signal converted analog to digital interpolates input to 1680X1050 L226WT WTM resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the one 3 3V and one 1 8V regulators to convert power which is provided 5V in Power board 15V is provided for inverter in L226WT WTM Also 5V is converted 3 3V and 1 8V by regulator Converted power is provided for IC in the main board The inverter converts from DC 15V to AC 820Vrms and operates back light lamps of module in L226WT WTM 3 MICOM Part This part is include video controller part And this part consists of EEPROM IC which stores control data Reset IC 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 is stored in EEPROM 11 LIPS Board Block Diagram 15V 50 60Hz EMI INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 240V SIGNAL PWM PHOTO Collection CONTROL COUPLER nid CIRCUIT ISOLATION Feedback PRIMARY SECONDARY
13. 00HM 5 1 10W 1608 23 DATE 2007 05 22 5 DESCRIPTION SPECIFICATION MCROSEZPJ101 1000HM 5 1 10W 1608 2 472 4 7KOHM 5 1 10W 160 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 2 472 4 7KOHM 5 1 10W 160 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 MCRO3EZPJ470 470HM 5 1 10W 1608 MCROSEZPJ470 470HM 5 1 10W 1608 MCROSEZPJ000 5 1 10W 1608 R MCROSEZPJ000 5 1 10W 1608 RS02AO4R70J 5 2W 15 0X5 5MM 15 RS02AO4R70J 5 2W 15 0X5 5MM 15 MCROSEZPJ223 22 5 1 10W 1608 MCROSEZPJ000 5 1 10W 1608 R MCROSEZPJ000 5 1 10W 1608 R MCROSEZPJ561 5600HM 5 1 10W 1608 MCRO3EZPJ102 1KOHM 5 1 10W 1608 MCRO3EZPJ473 47 5 1 10W 1608 RCA86TRJ47RO 47 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD RCA86TRJ47RO 47 5 1 16W 4 SMD RCA86TRJ47RO 470HM 5 1 16W 4 SMD QH11121 DNO D DVI 24P 1 90MM ANGL KCN DS 3 0062 D SUB 15P 2 29MM AN 12505WS 06A00 6P 1 25MM 1R STRAIG SMW200 11P 11 2 00MM 1R STRAIGHT SMW200 28C 28P 2 0MM 2R STRAIGHT SI3865BDV E3 N CHANNEL MOSFET 8V HC 49 U 14 31818MHZ 30PPM TXC 14 ALJLOC NO PART NO R638 0RJ1000D677 R639 0RJ4701D677 R640 OR
14. 226 1 2V 85V 300MA 2A 4NSEC 15 R548 ORJ1000D677 MCRO3EZPJ101 1000HM 5 1 10W 1608 D607 ODS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 R549 ORJ1000D677 MCROSEZPJ101 1000HM 5 1 10W 1608 D608 ODS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 R550 ORJ1000D677 101 1000HM 5 1 10W 1608 D609 ODS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 R553 ORJ2400D677 MCROSEZPJ241 2400HM 5 1 10W 1608 D610 ODS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 R554 ORJ1000D677 MCRO3EZPJ101 1000HM 5 1 10W 1608 D611 ODS226009AA KDS226 1 2V 85V 300MA 2A 4NSEC 15 R566 08 00000677 MCRO3EZPJO00 5 1 10W 1608 R D612 ODSON00138A MMBD301LT1G 600MV 30V 1 5pF 2 R567 08 00000677 MCRO3EZPJO00 5 1 10W 1608 D613 ODSON00138A MMBD301LT1G 600MV 30V 1 5pF 2 R568 0800000677 MCRO3EZPJO00 5 1 10W 1608 R 0614 ODD184009AA KDS184 KDS184 KEC 85V R569 08 00000677 MCRO3EZPJO00 5 1 10W 1608 R D615 ODD184009AA 5184 KDS184 TP 85V R577 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 70601 00756000968 BZT52C5V6S F 5 6V 5 2TO6V 400HM R578 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 70603 0DZ560009GB BZT52C5V6S F 5 6V 5 2TO6V 400HM R583 ORJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 70605 0DZ560009GB BZT52C5V6S F 5 6V 5 2TO6V 400HM R584 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 70606 0DZ560009GB BZT52C5V6S F 5 6V 5 2TO6V 400HM R588 0RJ0222D677 MCRO3EZPJ220 220HM
15. 500 100nF 10 50V X7R C607 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C516 OCK104CK56A 0603 104 500 100nF 10 50V X7R C608 OCC101CK41A C1608C0G1H101JT 100pF 5 50V COG C517 OCK104CK56A 0603 104 500 100nF 10 50V X7R C609 OCK104CK56A 0603 104 500 100nF 10 50V X7R C518 OCK104CK56A 0603 104 500 100nF 10 50V X7R C610 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C519 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C611 OCK104CK56A 0603 104 500 100nF 10 50V X7R C520 OCK104CK56A 0603 104 500 100nF 10 50V X7R C612 0CC680CK41A C1608C0G1H680JT 68pF 5 50V C521 OCK104CK56A 0603 104 500 100nF 10 50V X7R C613 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C522 OCK104CK56A 0603 104 500 100nF 10 50V X7R C614 OCC680CK41A C1608C0G1H680JT 68pF 5 50V C523 OCK104CK56A 0603 104 500 100nF 10 50V X7R C615 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C524 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C616 OCK104CK56A 0603 104 500 100nF 10 50V X7R C525 OCK104CK56A 0603 104 500 100nF 10 50V X7R C617 OCC680CK41A C1608C0G1H680JT 68pF 5 50V C526 OCK104CK56A 0603 104 500 100nF 10 50V X7R C618 OCC680CK41A C1608C0G1H680JT 68pF 5 50V C527 OCK104CK56A 0603 104 500 100nF 10 50V X7R C619 OCK104CK56A 0603 104 500 100nF 10 50V X7R C528 OCK104CK56A 0603 104 500 100nF 10 50V X7R C620 OCK104CK56A 0603B104K500CT
16. 800000677 MCRO3EZPJO00 5 1 10W 1608 R R623 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R525 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R624 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R526 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R625 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R527 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R626 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R528 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R627 0RJ4701D677 MCRO3EZPJ472 4 7KOHM 5 1 10W 160 R529 0800000677 MCRO3EZPJO00 5 1 10W 1608 R R628 0RJ0332D677 MCRO3EZPJ330 5 1 10W 1608 R530 0800000677 MCRO3EZPJO00 5 1 10W 1608 R R629 0RJ0332D677 MCRO3EZPJ330 5 1 10W 1608 R538 0RJ5601D677 MCRO3EZPJ562 5 6KOHM 5 1 10W 160 R630 ORJ1000D677 MCRO3EZPJ101 1000HM 5 1 10W 1608 R540 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R631 ORJ1000D677 MCROSEZPJ101 1000HM 5 1 10W 1608 R541 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R632 ORJ2200D677 MCRO3EZPJ221 2200HM 5 1 10W 1608 R542 0RJ1002D677 MCRO3EZPJ103 10KOHM 5 1 10W 1608 R633 0RJ0332D677 MCRO3EZPJ330 5 1 10W 1608 R544 ORJO562D677 MCRO3EZPJ560 56 5 1 10W 1608 R635 0RJ4700D677 MCRO3EZPJ471 4700HM 5 1 10W 1608 R545 ORJO000D677 MCRO3EZPJO00 5 1 10W 1608 R R636 0RJ0392D677 MCRO3EZPJ390 390HM 5 1 10W 1608 R546 ORJO562D677 MCRO3EZPJ560 56 5 1 10W 1608 R637 ORJ1000D677 MCROSEZPJ101 10
17. CK56A 0603B104K500CT 100nF 10 50V X7R C501 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C557 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C502 OCK104CK56A 0603 104 500 100nF 10 50V X7R C558 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C503 OCK104CK56A 0603 104 500 100nF 10 50V X7R C559 OCK104CK56A 0603 104 500 100nF 10 50V X7R C504 OCK104CK56A 0603 104 500 100nF 10 50V X7R C560 OCK104CK56A 0603 104 500 100nF 10 50V X7R C505 OCK104CK56A 0603 104 500 100nF 10 50V X7R C562 OCK104CK56A 0603 104 500 100nF 10 50V X7R C506 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C563 OCK105CD56A 1608 7 1 105 1uF 10 10V X7R C508 OCK104CK56A 0603 104 500 100nF 10 50V X7R C564 0CC101CK41A C1608C0G1H101JT 100pF 5 50V COG C509 OCK104CK56A 0603 104 500 100nF 10 50V X7R C601 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C510 OCK104CK56A 0603 104 500 100nF 10 50V X7R C602 OCK104CK56A 0603 104 500 100nF 10 50V X7R C511 OCK104CK56A 0603 104 500 100nF 10 50V X7R C603 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C512 OCK104CK56A 0603 104 500 100nF 10 50V X7R C604 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C513 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C605 OCC101CK41A C1608C0G1H101JT 100pF 5 50V COG C514 OCK104CK56A 0603 104 500 100nF 10 50V X7R C606 OCK104CK56A 0603B104K500CT 100nF 10 50V X7R C515 OCK104CK56A 0603 104
18. COLOR MONITOR CHASSIS NO LM62B MODEL FLATRONL226WTG L226WTG WFQ A MAF Same model for Service CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CONTENTS SPECIFICATIONS 2 ADJUSIMEN T 2 TT 13 PRECAUTIONS 4 TROUBLESHOOTING 15 TIMING CHART 8 WIRING DIAGRAM 19 DISASSEMBLY aS 9 EXPLODED VIEW 20 BLOCK DIAGRAM 10 REPLACEMENT PARTS LIST 22 DESCRIPTION OF BLOCK DIAGRAM 11 SCHEMATIC 25 SPECIFICATIONS 1 LCD CHARACTERISTICS 4 MAX RESOLUTION Type TFT Color LCD Module Analog 1680 x 1050 60Hz Active Display Area 22 inch diagonal Digital 1680 x 1050 60Hz Pixel Pitch 0 282 H x 0 282 V Size 493 7 H x 320 1 V x 16 5 D 5 POWER SUPPLY Color Depth 16 7 8bit colors 5 1 Power Adaptor Built in Power Electrical Interface LVDS Input AC 100 240V 50 60Hz 1 2A Surface Treatment AG Haze 25 Hard Coating 3H Operating Mode Normally White 5 2 Power Consumption Baedignt Uni MODE HW SYNC VIDEO POWER CONSUMPTION LED COLOR 2 OPTICAL CHARACTERISTICS ENO Bio less than 50 W max E iewi i POWER ON NORMAL ON ON ACTIVE BLUE 2 1 Viewing Angle by Contrast Ratio 2 10
19. Data4 20 0 Data5 DDC Clock 21 0 Data5 DDC Data 22 T M D 5 Clock Shield Analog Vertical Sync 23 0 Clock 0 5 Data1 24 0 Clock T D S Data1 T D S Data1 3 Shield T M D S Data3 T D S Data3 5V Power Ground return for 45V H Sync and V Sync TTT TS tT LT T T T P3 COIN GB TO D S Transition Minimized Differential Signaling 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 on the schematic diagram and the replacement parts list t 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 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 da
20. EM 1C1P 15VDC 0 05A HORIZ JTP1127WEM 1C1P 15VDC 0 05A HORIZ JTP1127WEM 1C1P 15VDC 0 05A HORIZ BZT52C5V6S F 5 6V 5 2TO6V 400HM BZT52C5V6S F 5 6V 5 2TO6V 400HM BZT52C5V6S F 5 6V 5 2TO6V 400HM BZT52C5V6S F 5 6V 5 2TO6V 400HM 24 SCHEMATIC DIAGRAM 1 SCALER T z 5 rt BL m 858 FEET 9435929883 Om 15502 To 4uF E m ile 511 aa M24D15 HMNST d 3 Br 6503 8 c deb eer apr B HUS 47K baa 2 T 8 B E 8 5 33 a 10004 8m 8 BS scc 3 KIA7OABAP PE s Less SE Ee n alt v 8868244 a dup SATA o sva rese 2514 33 ul al HESS s ESRF 2 3
21. J4701D677 R641 ORJ4701D677 R642 ORJ4701D677 R651 0RJO472D677 R652 0RJ0472D677 R702 ORJO000D677 R703 ORJO000D677 R704 0RX0471K668 R705 0RX0471K668 R706 ORJ2202D677 R708 ORJO000D677 R709 ORJO000D677 R710 ORJ5600D677 R712 ORJ1001D677 715 0RJ4702D677 RA555 0RJ0472C687 RA556 0RJ0472C687 RA557 0RJ0472C687 RA558 0RJ0472C687 RA559 0RJ0472C687 RA560 0RJ0472C687 RA561 0RJ0472C687 RA562 0RJ0472C687 RA563 0RJ0472C687 RA564 0RJ0472C687 RA565 0RJ0472C687 OTHERs P601 6630TGA005B P602 6630TGA004F P604 6602T12004E P605 6602T20008K P606 6630V90219A 0701 OTFVI80067A X501 6212AA2004F CONTROL BOARD D1 ODLGPO128AA 6602 12005 J2 6602T12005C J3 6602T12005C RI 0RJ7501D677 R2 0RJ7501D677 R3 0RJ1201D677 R4 0RJ1801D677 R5 0RJ1201D677 R6 0RJ1801D677 Sw 6600R00004C SW2 6600R00004C SW3 6600R00004C SW4 6600R00004C SW5 6600800004 swe 6600R00004C 201 0DZ560009GB 202 0DZ560009GB 703 0DZ560009GB 204 0DZ560009GB GPTD1210YBC BLUE YELLOW Blue 3 6V 12505WR 06A00 6P 1 25MM 1R ANGLE 12505WR 04A00 4P 1 25MM 1R ANGLE 12505WR 04A00 4P 1 25MM 1R ANGLE MCROSEZPJ752 7 5 5 1 10W 160 MCROSEZPJ752 7 5KOHM 5 1 10W 160 MCROSEZPJ122 1 2KOHM 5 1 10W 160 MCROSEZPJ182 1 8KOHM 5 1 10W 160 MCROSEZPJ122 1 2KOHM 5 1 10W 160 MCROSEZPJ182 1 8KOHM 5 1 10W 160 JTP1127WEM 1C1P 15VDC 0 05A HORIZ JTP1127WEM 1C1P 15VDC 0 05A HORIZ JTP1127WEM 1C1P 15VDC 0 05A HORIZ JTP1127W
22. K P702 PIN10 CHECK PULSE AS CONTACTING PROBE TO THE LAMP WIRE OF THE LCD MODUL YES CHECK POWER BOARD LIPS CHECK IC501 INVERTER ON OFF PORT 1 CONFIRM BRIGHTNESS OSD CONTRL STATUS 2 CHECK MICOM DIM ADJ PORT POWER BOARD LIPS REPLACE LCD MODULE Waveforms 3 LAMP CURRENT 1 P702 5 6 2 P702 10 Tek Run 10 0 5 5 Sample dann L t WE 1007 Glitch Chi 5 apr 2006 08 49 27 EEE MSN SES BJ 1 50 CR SONG CHT 26 may 2006 06 05 02 12V s apr 2006 09 12 50 3 NO RASTER OSD IS NOT DISPLAYED NO RASTER OSD IS NOT DISPLAYED CHECK IC501 PIN2 3 3V NO PIN17 1 8V YES U501 NO CHECK IC601 1 8V IC602 3 3V PIN 108 109 14 3MHZ YES CHECK IC501 PIN89 H SYNC AND NO 1 CHECK PIN 108 109 SOLDERING CONDITION 2 CHECK X501 3 TROUBLE IN 10501 PIN90 V SYNO IS PULSE APPEARED AT SIGNAL PINS YES TROUBLE IN CABLE OR LCD MODULE Waveforms 4 1 501 108 Tek SIME 4 0005 5 36 Acqs t T toov M 25 078 Chi 2 00 s Apr 2006 09 00 0 s CHECK CONNECTION LINE FROM D SUB IC501 17 4 TROUBLE IN DPM
23. OPEINCADSU 1 B oN ON ver AD AL WP 4 Li an 1O SCLB a 1D S0AB 2 SDA GND P704 BMW2D0 05 PMR RME 53 LED_AM 1 KBT3SDB M F 4 7 sees M A LN eo R729 100 t AM J5VHPO 4 3 BOCSVD 5730 100 KEY CaLED GH BU 0725 704 READY 3 READY zu be D u 07 5 H 27 4 CONTROL AL 7 5 P 7 5 SVR GNO LED_AM LED BU KEYO KEY1 LED AM LED BU POWER GND UP AUTO Resolution 1 RS 148K 1 BK MENU AUOTO SET DOWN 1 28 2007 P NO MFL367136 Printed in Korea
24. Operation description Power 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 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 Energy Transfer This part function is for transfer the primary energy to secondary through a power transformer 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 achieve the dc output stabilized and also the over power protection is also monitor by this part 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 Signal collection This part function is to collect the any change from the DC output and feed back to the primary through photo transistor 12 ADJUSTMENT Windows EDID V1 0 User Manual 2 EDID Read amp Write 1 Run WinEDID exe Operating System MS Windows 98 2000 XP J Wi 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
25. Ya 2 E 3 8 Bess 9 meme por save DEB tt 21121812 s sd re 8 2 2 Sid BEBE 35H Pss SEE povaze 4 EPELEEE 8 n T 5 acsaus 599888 8 43 33 LE AVDD DUT 33 1 vanam 3021 8 hasaa 2717 eranverkn RED oF 1 Bg 0 T E_ROP VHS_IN REDE L se E RIN VVS IN VSSA_ADC_2 E a von BS E RAP VDOE IN GEN nd 40 0521 E R N E CH3P LV PD0 GNE 56 i ai VSSA ADE 1 52 Pec 191 HOLD KN E CLKP L 2 BLU 190 2 4 sooty EOL KB E_CLKN LV PO3 Bu j aj BLE eck 1 VERA E BON E CHPP LV PDA 331 ve sp scx E OP E CHEN L V PD5 33 3 i ac IE pg 26 sn Ed 18 6CHINLLV 207 HSYNG_IN 3l sate E 2N E CHOP_LV FOB CRVS8 4 nga bayu 524 E 2P E CHONLV POS COD 18 3 H E jE pt 48 1 vasta par 1 ETBON PD10 N FIELD PXC 047 gt E BOP PDL1 RXC 2 B E BIN PDI2 p 3 E B1P PDL3 r or 2 Epon ZDIS MSDE gl bane avon OUT 33 2 vor had 1 4 u uf AVSS_OUT 4 VSSA_DVI_3 HR B O RON PDIG
26. 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 d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush 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 2 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 insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shap
27. connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board 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 and 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 jumper wire and carefully 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 installat
28. e the end of each of three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 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 Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as possible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 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 Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the
29. ion 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 a 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 B gt SYNC DE ge NN Sync Dot Total Video Sync Front Blanking H V Polarity Clock Freguency xn jns By Resolution 1 H Pixels 28 321 31 468 900 720 18 108 54 720 X 400 V Lines 70 08 449 400 12 2 35 2 H Pixels 25 175 31 469 800 640 16 96 48 640 x 480 V Lines 59 94 525 480 10 2 33 3 H Pixels 31 5 37 5 840 640 16 64 120 640 x 480 V Lines 75 500 480 1 3 16 4 H Pixels 40 0 37 879 1056 800 40 128 88 800 x 600 V Lines 60 317 628 600 1 4 23 5 H Pixels 49 5 46 875 1056 800 16 80 160 800
30. mage 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 WARNING BE CAREFUL ELECTRIC SHOCK A CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation 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 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 Ground such as WATER PIPE CONDUIT etc L To Instrument s exposed METALLIC PARTS E W 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 unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of
31. r 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 2 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 3 Use only a grounded tip soldering iron to solder unsolder ES devices 4 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 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 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 preca
32. 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 6 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 7 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 8 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 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 devices 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 o
33. 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 b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c 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 2 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 3 Discharge the picture tube anode only by a first connecting one end of an insulated clip lead to the degaussing or kine aquadag grounding system 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 4 Do not spray chemicals on or near this receiver or any of its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to
34. utions 8 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 2 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 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuitboard printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts RO Quickly move the soldering iron tip to the junction of the
35. x 600 V Lines 75 0 625 600 1 3 21 6 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 7 H Pixels 78 75 60 123 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 8 H Pixels 108 0 67 500 1600 1152 64 128 256 1152 x 864 V Lines 75 000 900 864 1 3 32 9 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 10 H Pixels 135 0 79 976 1688 1280 16 144 248 1280 x 1024 V Lines 75 035 1066 1024 1 3 38 11 H Pixels 119 64 674 1840 1680 48 32 80 1680 x 1050 V Lines 59 883 1080 1050 3 6 21 12 H Pixels 146 25 65 290 2240 1680 104 176 280 1680 x 1050 V Lines 59 954 1089 1050 3 6 30 DISASSEMBLY 1 2 Remove the screws 3 4 1 Pull the front cover upward 2 Then let the all latches are separated with jig 3 4 5 6 Disassemble PCB 1 Disassemble PCB 2 Put the front face down 7 Disassemble back cover BLOCK DIAGRAM AZLOIPNY 4 Ag Ww wasAs X now go WOHd33 g SGWL IAG 5 s sam 770700 99A 5 c a o a i S Hoz SWO _ 10 DESCRIPTION OF BLOCK DIAGRAM 1 Video Controller Part This part amplifies the level of video signal for the digital

COLOR MONITOR SERVICE MANUAL

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