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Now downloading free:LG 775FT FB775F-EA  [report bad file]  

Download LG 775FT FB775F-EA docs - Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

File information:
File name:Flatron 775FT FB775F-EA.rar
[preview 775FT FB775F-EA] new window
Size:1869 kB
Extension:
MD5 Checksum:616aa27d64104a3ac6ea175fc90826b7
Mfg:

LG

Model:

775FT FB775F-EA

Original Chassis:775FT FB775F-EA
Descr:Flatron 775FT FB775F-EA
Group:Electronics > Computer equipment > Monitors >
Uploaded:2004-03-09 16:09:21
User:plamensl
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:10
File nameText
Adjustment.pdf ADJUSTMENT GENERAL INFORMATION All adjustment are thoroughly checked and corrected 7) Adjust tilt as arrow keys to be the best condition when the monitor leaves the factory, but sometimes 8) DIST. ADJ. BALANCE command. several adjustments may be required. 9) Adjust parallelogram as arrow keys to be the best Adjustment should be following procedure and after condition. warming up for a minimum of 30 minutes. 10) DIST. ADJ. BALANCE command. 11) Adjust balance of side-pincushion as arrow keys to Alignment appliances and tools. be the best condition. - IBM compatible PC. 12) DIST. ADJ. FOS. ADJ command. - Programmable Signal Generator.
Block Diagram.pdf[ OSD Con trol ] 12V Heater ( 6. 3V ) H Sync. sig . V Sync. Sig. I 2C DATA(SDA) I 2C CLOCK(SCL) G2 G1 Screen MICOM (IC401) 5V OSD IC (IC301) I2 C R/G/B Contrast R/G/B Bias 12V SCL / SDA H/V Sync S ignal PWM Control Signal 12V X-RAY Protection Circuit 15V E2PROM (IC402) H/V Sync. Processor 15V I2 C ( IC701 ) H/V Sync Signal 15V H Defleciton ( Q706) TDA4841 Vertical Output ( IC601) TDA4866J 40V I2 C Vertical Blanking, Brightness Contorl Circuit - 120V 80V CUT OFF Circuit (IC304) I2 C VIDEO Pre Amp. (IC302) DY VIDEO Main Amp. (IC303) R G B Input Signal 80V H.V CDT Dynomic Focus Static Focus BRIGHTNESS/CONTRAST COLOR CURVE H / V POSITION H / V SIZE SPCC TRAPIZODE PIN BALANCE PARALLELOGRAM ROTATION TOP CORNER BOTTOM CORMOR RECALL DEGAUSSING MOIRE LANGUAGE PURITY 5V 6.3V TILT Coil TILT Control Cir . BLOCK DIAGRAM Voltage feedback - 10 H Drive 80V 50V SMPS (T901) 15V 6.3V 5V Voltage Feedback Regulation Circuit DC/DC Converter B-Drive 50V Power Control IC (IC901) Energy Savi ng Cont
Control Locations.pdfCONTROL LOCATIONS VR901: B+ Adjustment (50V Line) -6-
Disassembly.pdfDISASSEMBLY 1. TILT/SWIVEL REMOVAL 1) Set the monitor face downward. 2) Pressing the latch (a), carefully remove the Tilt/Swivel by pulling it upward. 2. BACK COVER REMOVAL 1) Remove two screws cap (a). 2) Remove four screws (b) from the Back Cover. 3) Slide the Back Cover away from the Front Cabinet of the monitor. (b) (a) (a) (b) (a) 3. TOTAL CHASSIS ASSEMBLY REMOVAL 1) Disconnect P902(Degaussing pin), P704(DY pin), P501(Tilt pin), P502(Purity pin), P401, P402 and P701, P702, P703 from the Main PCB. 2) Remove eight connect (a). 3) Carefully separate the CDT Board Assembly from the CDT neck. 4) Discharge the remaining static electricity by shorting between the Anode Cap and the CDT ground. 5) Disconnect the Anode Cap from the CDT. 6) Remove two screws (b). 7) Remove the Total Chassis Assembly from the Main Frame. Anode Cap DY Assembly screw (a) OS D (a) SE T P7 03 (b) (a) P701 P704 P702 Control PCB P401 (P201) P402 P501 P502 P902 (a) (b) -8- 4. VIDEO PCB ASSEMBLY REMOVAL
Exploded View.pdfEXPLODED VIEW 3 15 17 5 B A 8 16 9 6 2 18 Ref. No. 1 2 3 4 5 6 7 8 Part No. 3091TKC071A 2423GC3E41M 3809TKC032A 3043TKK040J 339-002H 6140TC2014A 6871TST224A 6174T13007B 6620TBD003A 4810TKK169B 4810TKK168B 4930TKK021A 4950TKS171A 4810TKK167B 3550TKK061B 3550TKK061A 332-102P 332-102J 6871TMT224A 6871TVT224A 3313T17064A EXPLODED VIEW PARTS LIST Description CABINET ASS'Y, FB775F BRAND 032 CDT SET, M41QBF423X 31NPLD BACK COVER ASS'Y, FB795C 031 C-CORE SLIM TILT SWIVEL ASS'Y, FB775B B029 T032 HIPS 85964 SCREW ASS'Y, PHP+5*20(FZMY)+GW18 NEW TYPE COIL,DEGAUSSING, 1410MM 16.0OHM 0.5MM 130T 17" WITH EARTH PWB(PCB) ASSEMBLY,SUB, FB775F XKGC BRAND CONTROL TOTAL FBT, (FLY BACK TRANSFORMER), FLG0096 SAMPO 17"/70KHZ FLAT SOCKET (CIRC), CPT, PCS701E PARK ELEC. 10PIN 14/360 STRAIGHT BRACKET, FB775F GUIDE PCB(L) PC+ABS BRACKET, FB775F GUIDE PCB(R) PC+ABS HOLDER, PCB FIX MAIN METAL SHIELD BOTTOM, FB775E BRACKET, FB775F SUPPORTER CDT PC+ABS COVER, FB795B SCREW LEFT COVER, FB795B SCREW RIGHT SCREW, PTP
Schematic Diagram.pdf80V 0V 1B 4.5V 0V 1B 10ms 8.7V 0V 1B 557V 435V 1200V 100V 34V 0V 0V 300V 10 37V 0V 1B
Specifications.pdfSPECIFICATIONS 1. PICTURE TUBE Size DefIection Angle Neck Diameter Stripe Pitch Face Treatment Internal : 17 inch (Flat Slot Mask) : 90 : 29.1mm : 0.24mm : W-ARAS(Anti-Reflection and Anti-Static Coating) : Anti-Glare 3. POWER SUPPLY 3-1. Power Range AC 100~240V 50/60Hz, 2.0A 3-2. Power Consumption MODE NORMAL (ON) STAND-BY SUSPEND OFF H/V SYNC ON/ON OFF/ON ON/OFF OFF/OFF POWER CONSUMPTION LED COLOR GREEN less than 74W less than 15W AMBER 2. SIGNAL 2-1. Horizontal & Vertical Sync 1) Input Voltage Level : Low=0~1.2V, High=2.5~5.5V 2) Sync Polarity : Positive or Negative 2-2. Video Input Signal 1) Voltage Level a) Color 0, 0 b) Color 7, 0 c) Color 15, 0 2) Input Impedance 3) Video Color 4) Signal Format less than 15W less than 3W AMBER : 0 ~ 0.7 Vp-p : 0 Vp-p : 0.467 Vp-p : 0.7 Vp-p : 75 : R, G, B Analog : Refer to the Timing Chart 4. DISPLAY AREA 4-1. Active Video Area : 325.4 x 244.1mm(12.81" x 9.61") 4-2. Display Color : Full Colors 4-3. Display Resolution : 1280 x 1024 / 60H
Timing Chart.pdfTIMING CHART VIDEO B A C E D F SYNC FACTORY PRESET MODE MODE MARK H O R I Z O N T A L MODE 1 -- MODE 2 + 46.88 21.33 16.16 5.17 0.32 1.62 3.23 + 75.01 13.331 12.798 0.533 0.021 0.064 0.448 800 x 600 75Hz Yes MODE 3 + 53.68 18.63 14.22 4.41 0.57 1.14 2.70 + 85.07 11.755 11.178 0.577 0.018 0.056 0.503 800 x 600 85Hz Yes MODE 4 + 68.677 14.561 10.836 3.725 0.508 1.016 2.201 + 85.00 11.764 11.182 0.582 0.014 0.044 0.524 1024 x 768 85Hz Yes MODE 5 -- 31.47 31.78 25.42 6.36 0.64 3.81 1.91 + 70.08 14.269 12.712 1.557 0.414 0.063 1.080 640 x 400 70Hz Yes MODE 6 -- 31.47 31.78 25.42 6.36 0.64 3.81 1.91 -- 59.94 16.684 15.254 1.430 0.318 0.063 1.049 640 x 480 60Hz Yes MODE 7 + 37.88 26.40 20.00 6.40 1.00 3.20 2.20 + 60.32 16.579 15.840 0.739 0.026 0.106 0.607 800 x 600 60Hz Yes MODE 8 -- 43.269 23.112 17.778 5.334 1.556 1.556 2.222 -- 85.008 11.764 11.093 0.670 0.023 0.069 0.578 640 x 480 85Hz Yes MODE 9 + 60.02 16.66 13.00 3.66 0.20 1.22 2.24 + 75.03 13.328 12.795 0.533 0.017 0.05
Trouble shooting.pdfTROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK FUSE OK? (F901) YES NO TROUBLE IN FUSE (F901) CHECK C908 VOLTAGE? (AC120V: 160VDC, AC220V: 304VDC) NO TROUBLE IN D900 YES CHECK IC901 PIN 6 WAVEFORM (SQUARE WAVE COMES OUT?) NO TROUBLE IN IC901 YES CHECK D941, D942, D951, D961, D961-1, D971 VOLTAGE? NO TROUBLE IN D941, D942, D951, D961, D961-1, D971 YES TROUBLE IN D908, ZD902, Q903, Q972, Q971, Q952, Q951, Q942, Q941 - 14 - 2. NO CHARACTER NO CHARACTER CHECK IC302 PIN 9 (5V) ? YES NO TROUBLE IN P302 5V LINE CHECK IC302 PIN 5, 6, 7 ? NO TROUBLE IN PC SIGNAL, P301 SIGNAL CABLE YES CHECK IC302 PIN 18, 19, 20 ? NO TROUBLE IN IC302 YES CHECK IC303 PIN 4 (80V) PIN 8 (12V) ? NO TROUBLE IN P302 12V LINE/ 80V LINE YES CHECK IC303 PIN 1, 2, 3 ? NO TROUBLE IN IC303 YES CHECK R, G, B CATHODE VOLTAGE? YES TROUBLE IN IC304 / CRT SOCKET TROUBLE IN R341~R343, R331~R333, L311~L313, D307~D315 NO - 15 - 3. NO RASTER NO VIDEO (POWER INDICATOR ON
Wiring Diagram.pdfWIRING DIAGRAM P201 P501 P502 P402 P401 P702 S+ S P902 P701 FBT P703 AC Socket Signal Cable P302 P301 G2 -7-





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