LG Flatron F900P Скачать руководство пользователя | Manualshive

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TROUBLESHOOTING GUIDE

1. NO POWER-1

NO POWER (5V OFF)

(POWER INDICATOR OFF)

TROUBLE IN
BRIDGE DIODE
(D901)

TROUBLE IN
FUSE (F901)

TROUBLE IN
Q901, R908, R909,
D907

CHECK

FUSE OK?

(F901)

CHECK

D901

BRIDGE DIODE?

NO

YES

YES

NO

NO

CHECK

C908(+) VOLTAGE

145VDC at 110V input
310VDC at 220V input

TROUBLE IN
IC902, D912, ZD931,
D911, IC905, ZD932

TROUBLE IN D951

YES

NO

CHECK

IC902 PIN 1

5.8V ?

YES

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Содержание Flatron F900P

Страница 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL F900P FB910G UL CHASSIS NO CA 116 FACTORY MODEL FB910G ...

Страница 2: ...Resolution 1600 Dots x 1200Lines 85Hz 4 4 Video Bandwidth 235MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C 32 F 103 F Ambient 5 2 Relative Humidity 10 90 Non condensing 5 3 Altitude 10 000 ft 6 DIMENSIONS with TILT SWIVEL Width 466 6 mm 18 37 Depth 472 5 mm 18 60 Height 474 mm 18 66 7 WEIGHT with TILT SWIVEL Net Weight 24 0 kg 51 82 lbs Gross Weight 28 kg 61 74 lbs 8 USB Specifications USB ...

Страница 3: ...ed per the original design Soldering must be inspected for the cold solder joints frayed leads damaged insulation solder splashes or the sharp points Be sure to remove all foreign materials IMPLOSION PROTECTION All used display tubes are equipped with an integral implosion protection system but care should be taken to avoid damage and scratching during installation Use only same type display tubes...

Страница 4: ...es MODE 5 93 750 10 666 7 901 2 765 0 316 0 948 1 501 75 000 13 333 12 800 0 533 0 011 0 032 0 490 1600 X 1200 75Hz Yes MODE 6 106 250 9 412 6 972 2 441 0 297 0 837 1 325 85 000 11 765 11 294 0 470 0 009 0 028 0 433 1600 X 1200 85Hz Yes MODE 7 106 27 9 410 6 600 2 910 0 460 0 840 1 510 85 000 11 763 11 292 0 470 0 009 0 029 0 433 1600 X 1200 85Hz No MARK A B C D E F A B C D E F MODE FACTORY PRESET...

Страница 5: ...s in stand by suspend or DPMS off mode this indicator color changes to amber 3 MENU or OSD Button Use this button to enter or exit the on screen display 4 Button Use these buttons to choose or adjust items in the on screen display 5 SELECT INPUT Button Use this button to enter a selection in the on screen display or use this button to change BNC or D Sub 100 100 1 2 5 4 3 The Contrast and Brightne...

Страница 6: ... printer and other peripherals to your monitor instead of having to connect them to your computer This will give you greater flexibility in setting up your system USB allows you to connect chain up to 120 devices on a single USB port and you can hot plug attach them while the computer is running or unplug them while maintaining Plug and Plug auto detection and configuration This monitor has an int...

Страница 7: ...arate horizontal and vertical sync signal Connect each R G and B video signals and the horizontal and vertical sync signal to BNC receptacles on rear panel R G B COMP HD VD R G B COMP HD R G B Blue Blue Blue Green Green Green Gray Black Red Red Red NOTE This package does not include the BNC connectors but you can purchase them at your local computer stores This monitor does not support the DDC fun...

Страница 8: ...VR801 High Voltage Adjustment 27kV VR991 B Adjustment 195V Line ...

Страница 9: ...Degauss DY Purity P402 P702 P401 Anode Cap DY Assembly Screw P201 Control PCB P501 P901 P101 P102 P701 P502 ...

Страница 10: ...ove the Tilt Swivel by pulling it upward 3 Remove two screws a 4 Release the latch c See Figure 1 and Tip Spec 5 Slide the Back Cover away from the Front Cabinet of the monitor Back Cover Cabinet c Tip C B A Tip Spec A Width 5 0 15 0mm B Depth 0 6 0 9mm C Height 12 0mm a a Figure 1 ...

Страница 11: ...SIGNAL INPUT SUB TRANS T903 SUB TRANS Control IC902 TOP243Y ...

Страница 12: ...cal sync signal input the circuit consists of Q951 Q952 IC904 IC952 and IC401 control signal becomes stand by and suspend mode It s power consumption is below 8W When no horizontal and vertical sync signal input it s power consumption is below 1W 5 X ray Protection This circuit detects the rectified DC voltage comes from the FBT pin 4 If the high voltage of the FBT reaches up to about 30kV abnorma...

Страница 13: ...7 Image Rotation Tilt Circuit This circuit corrects the tilt of the screen by supplying the image rotation signal to the tilt coil which is attached to the CDT near the deflection 18 Static Convergence Control Circuit This circuit corrects the convergence of the screen by supplying the convergence signal to the 4H STC coil which is attached to the CDT near the deflection 19 Moire Reduction Circuit...

Страница 14: ...e PC 3 EEPROM ALL CLEAR Y Yes command Caution Do not run this procedure unless the EEPROM is changed All data in EEPROM mode data and color data will be erased 4 Display cross hatch pattern at mode 7 DIST ADJ SIZE MAX command Save H Size Max at bezel size exactly 5 COMMAND PRESET START Y Yes command 6 Display cross hatch pattern at Mode 6 7 DIST ADJ FOS ADJ command 8 Adjust H POSITION as arrow key...

Страница 15: ...e Meter with PC arrow keys 15 Display color 15 0 box pattern 70x70mm at Mode 6 16 Adjust SUB CONTRAST command to 40 1FL of the raster luminance 17 Display color 15 0 full white pattern at Mode 6 18 COLOR ADJ LUMINANCE ABL command 19 Adjust ABL to 30 1FL of the luminance 20 Exit from the program 6 Adjustment for Focus 1 Display H character in full screen at Mode 6 2 Adjust two Focus control on the ...

Страница 16: ...RIDGE DIODE D901 TROUBLE IN FUSE F901 TROUBLE IN Q901 R908 R909 D907 CHECK FUSE OK F901 CHECK D901 BRIDGE DIODE NO YES YES NO NO CHECK C908 VOLTAGE 145VDC at 110V input 310VDC at 220V input TROUBLE IN IC902 D912 ZD931 D911 IC905 ZD932 TROUBLE IN D951 YES NO CHECK IC902 PIN 1 5 8V YES ...

Страница 17: ...5V ON POWER INDICATOR ON TROUBLE IN IC901 TROUBLE IN Q903 IC904 TROUBLE IN Q901 CHECK IC901 PIN 7 18V CHECK IC901 PIN 6 WAVEFORM NO YES YES NO NO CHECK Q901 DRAIN T901 PIN 9 WAVEFORM CHECK D971 D972 D973 D974 D975 IC971 YES ...

Страница 18: ...N 18 19 20 PIN 9 5V CHECK IC303 PIN 1 3 5 PIN10 12V PIN 6 80V TROUBLE IN P102 P301 SIGNAL CABLE PC SIGNAL TROUBLE IN IC302 P302 TROUBLE IN IC303 TROUBLE IN CDT SOCKET NO YES NO NO YES YES CHECK R G B CATHODE VOLTAGE TROUBLE IN IC304 NO YES NO CHARACTER ...

Страница 19: ...D975 CATHODE 195V D976 CATHODE 80V IC971 OUT 12V IC952 CATHODE 6 3V CHECK IC401 MICOM PIN 6 5V HIGH IC801 PIN 2 12V HIGH ROTATE SCREEN CONTROL KNOB TO CLOCKWISE or COUNTER CLOCKWIES TROUBLE IN IC401 MICOM IC801 TROUBLE IN CDT SOCKET BOARD TROUBLE IN PRIMARY CIRCUIT OF T901 TROUBLE IN P401 P101 P702 P302 SIGNAL CABLE AMBER GREEN OK YES NO YES NO ...

Страница 20: ...NO V DEFLECTION ONE HORIZONTAL LINE CHECK IC601 Pin 2 15V CHECK IC601 PIN 4 15V TROUBLE IN T901 15V LINE TROUBLE IN T901 15V LINE TROUBLE IN IC601 V CIRCUIT NO NO YES YES CHECK IC701 PIN 12 SAWTOOTH WAVE TROUBLE IN IC701 NO YES ...

Страница 21: ...ODE TROUBLE IN X401 IC401 TROUBLE IN IC401 TROUBLE IN IC401 TROUBLE IN T901 or PC NO H V SYNC SIGNAL INPUT H V SYNC NO NO NO DPMS TABLE Mode Item NORMAL STAND BY SUSPEND OFF H V SYNC ON ON OFF ON ON OFF OFF OFF LED GREEN AMBER AMBER AMBER VIDEO NORMAL OFF 0V OFF 0V OFF 0V YES YES CHECK B LINE 12V 15V 80V 5V TROUBLE IN Q951 IC904 NO YES STAND BY SUSPEND DPMS OFF MODE FAILURE ...

Страница 22: ...K IC401 PIN 13 5V CHECK Q999 COLLECTOR VOLTAGE 0 5V CHECK P901 CHECK RL901 TROUBLE IN IC401 MICOM TROUBLE IN D999 TROUBLE IN P901 TROUBLE IN RL901 TROUBLE IN TH901 DEGAUSSING COIL NO DEGAUSSING NO NO NO NO YES YES YES YES ...

Страница 23: ...S IN CHECK IC301 PIN 10 V PULSE COMES IN CHECK IC301 PIN 13 14 15 IS THERE ANY SIGNAL WHEN OPERATING FRONT CONTROL NO OSD TROUBLE IN IC302 TROUBLE IN P302 TROUBLE IN P302 TROUBLE IN IC301 IC401 YES YES YES NO NO NO CHECK IC301 PIN 4 5V TROUBLE IN P302 NO YES ...

Страница 24: ... 24 EXPLODED VIEW 10 11 11 14 B C A 12 12 13 1 16 7 8 9 3 4 15 2 5 6 6 1 13 ...

Страница 25: ...LT SWIVEL ASSEMBLY FB990G TKT064 FB990G SCREW ASSY PHP 5 25 FZMW1 GW18 METAL ASSEMBLY FRAME FB910G PEM NUT BOTTOM FRAME COIL DEGAUSSING GET 0 6 90T 14 OHM WITH PURITY FB790G FBT FLY BACK TRANSFORMER FQM19A008 EB990G SAMSUNG 19 T801 FILTER CIRC EMI 03ME3G 3 DELTA FB915B SC901 PWB PCB ASSEMBLY INTERFACE FB910G INTERFACE TOTAL BRAND USB 5BNC METAL ASSEMBLY SHIELD BOTTOM FB910G HOLDER PCB FIX PC ABS S...

Страница 26: ... KMG 16V M FM5 TP 5 C322 0CN1040K949 0 1M 50V Z F TA52 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C323 0CE476EN618 47UF KMG 100V M FL TP 5 C324 181 288B MKT 100V 104JTR PHS26104 C325 0CC3300K415 33P 50V J NP0 TP C326 181 288B MKT 100V 104JTR PHS26104 C327 181 288B MKT 100V 104JTR PHS26104 C329 181 288B MKT 100V 104JTR PHS26104 C330 181 288B MKT 100V 104JTR PHS26104 C332 181 288E ...

Страница 27: ...89 0CBZTTA002B 2200PF D 2 5KV J M PP NI TP7 5 C790 0CBZTTA002B 2200PF D 2 5KV J M PP NI TP7 5 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C791 0CBZTBU003R 123J 23 0 16 0 9 5 10 0 800V J C792 0CE105CK638 1UF SHL SD 50V M FM5 TP 5 C793 0CE105CK638 1UF SHL SD 50V M FM5 TP 5 C794 0CE105CK638 1UF SHL SD 50V M FM5 TP 5 C801 0CE476CF638 47UF SHL SD 16V M FM5 TP 5 C802 0CE105CK638 1UF SHL...

Страница 28: ...4AL 400V 1A D621 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D701 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D702 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D721 0DD140009AA EK14 V 1 TP SANKEN E EO TMD 4 D722 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D731 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D732 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D733 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D734 ...

Страница 29: ...CTO IC304 0IPRPNS005A LM2480NA NATIONAL SEMICONDUCTO IC401 0IZZTSZ205A WT62P2 WELTREND 42P SDIP ST FB IC403 0ISG240860A M24C08 BN6 8DIP BK 8K SERIAL I IC404 0IPH740000D N74F00N 14P DIP BK NAND GATE IC501 0ISS455800H KA4558 8P DIP BK OP AMP DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC601 0ISG817200A TDA8172 IC701 0IPRPPH005A TDA4841PS PHILIPS 32P SDIP ST IC702 0INS353000A LF353N ...

Страница 30: ...4800BA 2SK2148 01R BK FUJI 600V 12A T Q902 0TR126609AA KTA1266 Y KTA1015 TP KEC TO92 Q903 0TR127509AC KTA1275 Y KTA1013 TP KEC TO92 Q951 0TR319809AA KTC3198 Y KTC1815 TP KEC TO92 Q952 0TR928009AB KSA928A Y TP SAMSUNG TO92L PNP Q961 0TR390409CA 2N3904 TP SAMSUNG TO92 NPN Q999 0TR319809AA KTC3198 Y KTC1815 TP KEC TO92 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R101 0RD1000Q609 100 ...

Страница 31: ...4Q609 1M OHM 1 4 W 3 4 5 TA52 R341 0RD1004Q609 1M OHM 1 4 W 3 4 5 TA52 R342 0RD0332A609 33 OHM 1 2 W 7 0 5 TA52 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R343 0RD0332A609 33 OHM 1 2 W 7 0 5 TA52 R344 0RD0332A609 33 OHM 1 2 W 7 0 5 TA52 R345 0RD2001Q609 2K 1 4W 3 5 TA52 R347 0RD1000Q609 100 1 4W 3 5 TA52 R359 0RD0102Q609 10 1 4W 3 5 TA52 R401 0RD1000Q609 100 1 4W 3 5 TA52 R402 0R...

Страница 32: ... 7 0 5 TA52 R757 0RX0331K607 3 3 OHM 2 W 5 TA62 R758 0RD1002Q609 10K 1 4W 3 5 TA52 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R760 0RD5600Q609 560 1 4W 3 5 TA52 R761 0RD2701Q609 2 70K 1 4W 3 5 TA52 R763 0RD0102Q609 10 1 4W 3 5 TA52 R764 0RD0472Q609 47 1 4W 3 5 TA52 R765 0RD5601Q609 5 60K 1 4W 3 5 TA52 R766 0RMZTWD001A 4 7 OHM 5 W 5 B RWR R767 0RX1003J609 100KOHM 1 W 5 TA52 R771 0...

Страница 33: ...62 0RD2401Q609 2 40K 1 4W 3 5 TA52 R963 0RD1001Q609 1K 1 4W 3 5 TA52 R964 0RD1000Q609 100 1 4W 3 5 TA52 R971 0RD0362A609 36 OHM 1 2 W 7 0 5 00 TA52 DATE 2002 7 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R972 0RD2200Q609 220 1 4W 3 5 TA52 R973 0RC4703A609 470K OHM 1 2 W 7 0 5 TA52 R974 0RC4703A609 470K OHM 1 2 W 7 0 5 TA52 R975 0RD0241Q609 2 4 OHM 1 4 W 3 4 5 00 TA52 R982 0RD1101Q609 1 1K OHM...

Страница 34: ...6 7 8 PWM OUT Vcc TIN Cosc Cagc POUT OVP UVP GND VREF DTC FB IN IN BO BI 16 15 14 13 12 11 10 9 PIN CONFIGURATION TOP VIEW Outlone P 16P4 FP 16P2S PIN NO Symbol PWM OUT Vcc TIN CAGC CAGC P OUT OVP UVP BI BO IN IN FB DTC VREF GND Functional Description Teerminal Number and The facillty 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TDA8172 Vertical Deflection Output Circuit 1 7 7 6 5 4 3 2 1 NON INVERTING ...

Страница 35: ...DA IIC SCL DDC SDA DDC SCL 35 36 SCHEMATIC DIAGRAM NOTICE Since this is a basic schematic diagram The value of components and some partial connection are sucject to be changed for improvement without notice ...

Страница 36: ... 1 MAIN BOARD Component Side 2 MAIN BOARD Solder Side 5 CONTROL BOARD Component Side 7 VIDEO BOARD Component Side 8 VIDEO BOARD Solder Side 3 INTERFACE BOARD Component Side 4 INTERFACE BOARD Solder Side 6 CONTROL BOARD Solder Side ...

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