LG Flatron W2243T Service Manual Download Page 42

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R939

180R 1/8W

+5Vi

ZD903

C914

2200pF50V

FB901

BEAD

C913

0.001uF

L901

30mH

C927

2200pF50V

R928

9.53K OHM 1/10W

R941

100R 1/8W 5%

C929

680uF 25V

R917

100R 1/8W 5%

R915

100R 1/8W 5%

CN903

D904

IN4148

R900

620K OHM 1/4W

T901

POWER X'FMR

C925

0.001uF

R931

4.7 OHM

0K 1

C912

1500PF2KV

+16V

R929

R926

1K 1/10W 1%

R918 180R 1/8W

VOL

MUTE

F801

RJ938

0 OHM 3/4W

C909

470pF

D905

FMX-12SL

R940 180R 1/8W

FB907

BEAD

C907

120uF 450V

DIM

R932

0R05 1/10W 5%

C900

0.0047UF/400V

L904

R908

20K OHM 1/4W +-5%

R920 180R 1/8W

R916

100R 1/8W 5%

ZD901

RLZ18B

R942

100R 1/8W 5%

NR901

NTCR

R911

10R 1/4W 5%

R902

620K OHM 1/4W

C908

D902

FR103

R912

10K 1/10W 1%

+5V

C921

1uF/25V

+16Vi

L903

R921

150R 1/8W 5%

CN901

SOCKET

R927

Ω

1/8W

R925

470R 1/4W 5%

R930

9K1 1/10W 1%

C901

1000PF/250VAC

Ω

C918

470uF 25V

C903

0.47uF/275V

BD901

KBJ408G

C902

1000PF/250VAC

C916

0.001uF

C905

1uF 450V

67G215S10915T L

FB904

BEAD

R909

100KOHM/2WS

F802 FUSE

F902 FUSE

Q902

KTD1028

R924

250OHM2W

C919

470uF 25V

RV901

R901

620K OHM 1/4W

C922

4uF7 25V

Ω

120

C904

ON/OFF

C923

C917

680uF 25V

D903

FR107

Ω

R919 180R 1/8W

2. POWER

http://www.wjel.net

Summary of Contents for Flatron W2243T

Page 1: ...l COLOR MONITOR SERVICE MANUAL MODEL W2243T W2243T PFT A NAPH for LGD TLA1 W2243T PFT A VAPH for AUO V0 Sales Market CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL To apply the Novatek Chip h t t p w w w w j e l n e t ...

Page 2: ... Bottom 140 min 160 Typ 2 2 White Luminance Center 300Cd m2 Typ 2 3 Contrast Ratio 600 min 1000 Typ 3 SIGNAL Refer to the Timing Chart 3 1 Sync Signal Type Separate Sync SOG Sync On Green Digital 3 2 Video Input Signal 1 Type R G B Analog Digital 2 Voltage Level 0 0 7 Vp p 3 Input impedance 75 Ω 3 3 Operating Frequency Horizontal 30 83kHz Vertical 56 75Hz 4 Max Resolution D sub Analog VESA 1920 x ...

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Page 7: ...5 175 59 94 525 480 10 2 33 640 x 480 H Pixels 37 5 840 640 16 64 120 4 V Lines 31 5 75 500 480 1 3 16 640 x 480 H Pixels 37 879 1056 800 40 128 88 5 V Lines 40 0 60 317 628 600 1 4 23 800 x 600 H Pixels 46 875 1056 800 16 80 160 6 V Lines 49 5 75 0 625 600 1 3 21 800 x 600 H Pixels 49 725 1152 832 32 64 224 7 V Lines 57 283 74 55 667 624 1 3 39 832 x 624 H Pixels 48 363 1344 1024 24 136 160 8 V L...

Page 8: ...12 248 12 V Lines 108 0 60 02 1066 1024 1 3 38 1280 x 1024 H Pixels 79 976 1688 1280 16 144 248 13 V Lines 135 0 75 035 1066 1024 1 3 38 1280 x 1024 H Pixels 64 674 1840 1680 48 32 80 14 V Lines 119 00 59 883 1080 1050 3 6 21 1680 x 1050 H Pixels 65 290 2240 1680 104 176 280 15 V Lines 146 250 59 954 1089 1050 3 6 30 1680 x 1050 H Pixels 63 981 1688 1280 48 112 248 16 V Lines 105 982 60 02 1062 10...

Page 9: ... on a soft flat 2 Revolve the release button 3 Consequently pull the base directly 4 The base 5 Put the front cover upward Then let the all latches are separated 6 Put the front face down disassembly back cover h t t p w w w w j e l n e t ...

Page 10: ... 10 7 Pull the key board out of bezel 8 Disassembly the bezel 9 Disassembly the LVDS cable 10 Disassemble the connector 11 Main board and power board 12 The panel h t t p w w w w j e l n e t ...

Page 11: ... 11 13 Rear cover and hinge ASS Y 14 Disassemble the rear cover and hinge ASS Y 15 Disassemble the hinge and stand 16 Hinge top hinge and stand h t t p w w w w j e l n e t ...

Page 12: ... 12 BLOCK DIAGRAM h t t p w w w w j e l n e t ...

Page 13: ...ircuit PWM control IC MOSFER OVP protect circuit Diode rectifier Starting resistor 16V Rush prevention ON OFF DIM Push pull circuit Transformer conversion LC resonance VDDA ON OFF circuit PWM IC ta9687GN Feedback circuit OVP circuit 2 CCFL lamps Sampling Lamp open protection DIM circuit 16V 5V 100 240V h t t p w w w w j e l n e t ...

Page 14: ...tion 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 16V is provided for inverter 5V is provided for LCD panel 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 16V to AC 700Vrms and operat...

Page 15: ...ary 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 achieve the dc output stabilized and also the over power protection is also monitor by this part 5 Photo Coupler isolation This part function i...

Page 16: ...he signal line of monitor with DDC recorder 2 Choose the DDC RECORD program and it shows on the screen the choose the correct source base on the monitor 3 Click LoadFile then key in the manufacturer name model name product code then choose the correct model name base on the monitor as Fig 2 4 Scan serial No to DDC recorder by Bar Reader then read again in the Verify SN 5 According to the message o...

Page 17: ...heck sum It must be the same as the last byte of data table as follows picture shows Above of all must be right then if it shows the green PASS it means record succeeds the red Fail means record fails then check the power supply and signal line and ensure they are connected well then do DDC record again from the third step Fig 2 h t t p w w w w j e l n e t ...

Page 18: ...y sets the gain and offset value c AGING Select Aging mode on off d PANEL used panel type e NVRAM INIT NO f R G B 9300K Allows you to set the R G B 9300K value manually g R G B 6500K Allows you to set the R G B 6500K value manually h R G B Offset Allows you to set the R G B Offset value manually Analog Only i R G B Gain Allows you to set the R G B Gain value manually Analog Only Figure 1 Cable Con...

Page 19: ...make sure the AC of 100 240v is normal Measure U704 PIN2 1 8V U703 PIN2 3 3V Check the Adapter Inverter section Check CN701 or replace U704 and U703 NO NO YES YES 1 NO POWER Check X401 oscillate waveforms are normal Replace X401 Replace U401 NO YES h t t p w w w w j e l n e t ...

Page 20: ...ER IC NO No Raster OSD Is Not Displayed Check U703 PIN 2 3 3V Check CN701 PIN 6 PIN7 5V Check power board and find out a short point as penning each power line 1 Check U703 2 Check C706 C707 NO NO YES YES YES Check CN701 PIN 6 PIN7 5V YES NO Check BL ON OFF pulse as contacting scope h t t p w w w w j e l n e t ...

Page 21: ... 2 Check X401 3 TROUBLE IN SCALER IC SCALER PIN 127 128 OSCILLATES AS 12MHZ No Raster OSD Is Not Displayed CHECK CONNECTION LINE FROM D SUB TO SCALER TROUBLE IN CABLE OR LCD MODULE NO YES YES NO SCALER IC PIN 41 H SYNC PIN 42 V SYNC h t t p w w w w j e l n e t ...

Page 22: ... 22 4 TROUBLE IN DPM TROUBLE IN DPM SCALER IC PIN 41 H SYNC PIN 42 V SYNC CHECK H V SYNC LINE TROUBLE IN CABLE OR LCD MODULE NO YES h t t p w w w w j e l n e t ...

Page 23: ...2 U902 U903 NO YES YES No Power Power Indicator Off Check AC line volt Check the voltage of C907 Check start voltage for the pin1 of U901 Check AC line Check F901 BD901 Check D901 R903 R904 R905 U901 NO YES NO YES NO Check U901 PIN5 output is PWM Check D904 Q901 NO h t t p w w w w j e l n e t ...

Page 24: ...connector of Q805 Q806 check C804 16V Replace Q805 Q806 Check C808 C809 C810 Replace IC801 NO NO Raster Lamp Off Check C804 16V Check ON OFF signal CheckIC801 pin 11 5V Check power section Check Interface section or main board Check C808 C809 C810 Check IC801 pin 1 pin 14 NO NO NO YES YES Check IC801 Pin8 pin9 have the output of sawtooth YES NO YES YES NO YES NO h t t p w w w w j e l n e t ...

Page 25: ... 25 WIRING DIAGRAM 095G820H 6D515 095G8018 3D677 095G 825 9W524 h t t p w w w w j e l n e t ...

Page 26: ... 26 EXPLODED VIEW h t t p w w w w j e l n e t ...

Page 27: ...0 XM AUO 030 750GLG215W1A13M0LG PANEL LM215WF1 TLA1 GZ LGD 756GQ8CB KL013 MAIN BOARD CBPCRNDLGQ2 040 756GQ9CB KL002 MAIN BOARD CBPCRNDLGQ2 050 PWPC8C41LYB1 POWER BOARD 060 Q15G0415201 MAIN FRAME 070 705GQ934047 REAR COVER HINGE STAND ASS Y 080 705GQ9CS028 BASE ASSY 090 089G 728HAA 2G SIGNAL CABLE 100 089G1748HAA AC DVI CABLE 110 095G8018 3D677 LVDS CABLE 30P 30P 160MM 120 089G421A18N IS POWER CORD...

Page 28: ... 0 22UF 20 80 C301 065G040210412T CHIP 0 1UF 16V X7R C302 065G0402224 17 CAP CER 0 22UF 20 80 C303 065G0603105 12 CHIP 1UF 16VX7R 0603 C304 065G040210412T CHIP 0 1UF 16V X7R C305 067G 2151014PB EC 100UF M 25V 6 3 11MM C401 065G0402224 17 CAP CER 0 22UF 20 80 C403 065G060310517T MLCC 0603 CAP 1UF Z 16V Y5V C404 065G060310517T MLCC 0603 CAP 1UF Z 16V Y5V C406 065G040210412T CHIP 0 1UF 16V X7R C407 0...

Page 29: ...U106 056G 662502 IC ESD AZC199 04S SOT23 6L U107 056G 662502 IC ESD AZC199 04S SOT23 6L U401 056G 562583 IC NT68667UFG C QFP 128L U402 056G1133 81 SST25LF020A 33 4C SAE SMTCR U402 100GKNAI001N11 MCU ASS Y 056G1133 81 U703 056G 563 52 IC AP1117D33L 13 TO252 3L DIODES U704 056G 56327A IC AP1117E18LA SOT223 3L ANACHIP TRANSISTOR Q301 057G 763 1 A03401 SOT23 BY AOS A1 Q302 057G 417 12 T KEC 2N3904S RT...

Page 30: ...T CHIPR 1 KOHM 5 1 16W R141 061G0402102 RST CHIPR 1 KOHM 5 1 16W R142 061G0402000 Y RST CHIP MAX 0R05 1 16W YAGEO R143 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R144 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R301 061G1206221 RST CHIPR 220 OHM 5 1 4W R302 061G1206221 RST CHIPR 220 OHM 5 1 4W R303 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R304 061G0402223 RST CHIPR 22 KOHM 5 1 16W R305 061G0402103 RST CHIPR ...

Page 31: ...G 56V301 B CHIP BEAD FCM2012VF 301T07 BULLWILL FB407 071G 56G301 EA BEAD 300 OHM OTHER X401 093G 2251B J NXS12 000AC30F BT 2 CN101 088G 35315F XH D SUB 15PIN VERTICAL CONN WITH SCREW CN102 088G 35424F N DVI 24PIN CONN F WITH SCREW CN302 033G8027 30 H WAFER 30P 2 0MM RIGHT ANGLE CN402 033G3802 7B Y CONNECTOR 7P 2 0 DIP CN701 033G3802 9B Y W WAFER POWER BOARD CAPACITOR C801 065G0805473 32 CHIP 0 047...

Page 32: ...1UF K 50V X7R C916 065G0603102 32 1000PF 10 50V X7R C917 067G215D6814LV LOW ESR EC 680UF 25V M 10 20MM C918 067G215D4714LV LOW ESR EC 470UF 25V M 10 16MM C919 067G215D4714LV LOW ESR EC 470UF 25V M 10 16MM C920 067G215D4713LT LOW ESR EC 470UF 16V M 8 11 5MM C921 065G080510522K T CAP CHIP 0805 1UF K 25V X7R C922 065G1206475 22 4 7U 25V X7R C925 065G080510241J CAP CHIP 0805 1N 100V NPO 5 C927 065G080...

Page 33: ...1028 KEC Q903 057G 759 2 RK7002FD5T116 SOT 23 BY ROHM Q903 057G 763 62 FET 2N7002K 300MA 60V SOT 23 Q904 057G 417 12 T KEC 2N3904S RTK PS U901 056G 379151 IC LD7577J GS SOP 8 U902 056G 139 7 1 IC EL817MA M TYPE U902 056G 139 3A IC PC123Y22FZ0F U903 056G 158 12 KIA431A AT P TO 92 RESISTOR JR801 061G1206000 RST CHIP MAX 0R05 1 4W JR802 061G1206000 RST CHIP MAX 0R05 1 4W JR803 061G0805000 RST CHIP MA...

Page 34: ...PR 10 KOHM 5 1 10W R900 061G1206624 RST CHIPR 620 KOHM 5 1 4W R901 061G1206624 RST CHIPR 620 KOHM 5 1 4W R902 061G1206624 RST CHIPR 620 KOHM 5 1 4W R903 061G1206335 RST CHIPR 3 3M OHM 5 1 4W R904 061G1206335 RST CHIPR 3 3M OHM 5 1 4W R905 061G1206335 RST CHIPR 3 3M OHM 5 1 4W R906 061G0603100 3F RST CHIPR 100 KOHM 1 1 10W R908 061G1206203 RST CHIPR 20 KOHM 5 1 4W R909 061G152M10452T SY RST MOFR 10...

Page 35: ...HM 3 4W TRANSFORMER PT801 080GL24T 23 H INVERTER X FMR 68 5UH PT801 006G 31502 1 5MM RIVET T901 080GL22T 3 N2 X FMR 490UH T901 006G 31502 1 5MM RIVET OTHER CN801 033G8021 2E F WAFER CN801 033G8021 2E U INVERT CONNECTOR CN802 033G8021 2E F WAFER CN802 033G8021 2E U INVERT CONNECTOR CN803 033G8021 2E F WAFER CN803 033G8021 2E U INVERT CONNECTOR CN804 033G8021 2E F WAFER CN804 033G8021 2E U INVERT CO...

Page 36: ...12 095G 90 23 JUMPER WIRE J813 095G 90 23 JUMPER WIRE J814 095G 90 23 JUMPER WIRE J815 095G 90 23 JUMPER WIRE J816 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE L801 073G 174 35DNA FILTER 200MH 25 L802 073G 174 35DNA FILTER 200MH 25 L901 073G 174 65 S2 LINE FILTER 30MH MIN L901 006G 31502 1 5MM RIVET L903 073G...

Page 37: ... Compared with TIRANDNBMWLFHN Location Part No for TPV Description 750GLG215W1A13M0LG PANEL LM215WF1 TLA1 GZ LGD 756GQ9CB KL002 MAIN BOARD CBPCRNDLGQ2 SMTCR U402 100GKNGI000NT1 MCU ASS Y 056G1133 81 Q34G0576 B6B2B0100 BEZEL L215W 9LG h t t p w w w w j e l n e t ...

Page 38: ...3 NC RX0P C106 0 047uF D102 BAV70 3 1 2 R151 NC 4K7 1 16W 5 R115 100R 1 16W 5 RXCP R118 100R 1 16W 5 DVI_5V VGA_G R105 100R 1 16W 5 C104 22pF C113 5pF 50V U106 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 R140 NC 5V_ESD R147 NC 100R 1 16W 5 H_Sy nc R148 NC 4K7 1 16W 5 VGA_B H_Sy nc C119 NC VGA_B R101 100R 1 16W 5 R121 100R 1 16W 5 R138 4K7 1 16W 5 R149 NC 4K7 1 16W 5 VGA_B DSUB_SCL DDC2_SCL ...

Page 39: ...3 9K OHM 1 16W KEY1 5 LVA2P T1M 5 LVA0M RXO2 3 KEY2 5 RXE1 C433 NC 0 1UF 16V RXE2 LVA0P LVBCKM RXE3 C302 0 22uF16V T2P 5 R307 NC CN403 NC CONN 2 4 6 8 1 3 5 7 RXE1 Both CN401 and CN402 foot print RXO3 RXEC RXO0 RXE2 R301 220 OHM 1 4W FB402 NC AO3401L R444 3 9K OHM 1 16W Q302 2N3904S RTK PS LVBCKP RXO1 C304 0 1UF 16V PANEL_VCC RXEC T2M 5 T4P 5 C305 100UF25V RXO0 RXE0 ZD403 NC 1 2 Both CN403 CN404 a...

Page 40: ...nd 252 foot print R701 NC 10K 1 16W 5 20081210 use Pin 123 control BL_ON on_BACKLIGHT_1 R446 0 Ohm R708 10K R704 22K R702 1K Q701 2N3904 C702 0 1uF R447 R711 NC use Pin 39 control BL_ON on_BACKLIGHT_5V_1 R447 0 Ohm R711 10K R446 R708 R704 R702 Q701 C702 NC R708 10K 1 16W 5 5VCC C703 NC 0 1UF 16V Volume 5 on_BACKLIGHT_5v _1 5 5VCC VCC3 3 SOT223 BKLT EN FB701 NC 300 OHM 1 2 DVI_5V R710 NC PANEL_ID 5...

Page 41: ...0R05 1 16W R412 NC 100R 1 16W 5 R469 NC 2K2 1 16W 5 DVDD DDC2_SDA 2 T1M 3 5V KEY1 3 SPI_SI Q403 NC 2N3906S RTK PS DDC2_SCL 2 WP C413 0 1UF 16V DVDD C421 22pF R403 10K 1 16W 5 T3M 3 ADC_VAA T5M 3 T0M 3 U401 NT68667UFG C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 6...

Page 42: ...0K OHM 1 4W 5 R920 180R 1 8W D906 50PQSA065 ZD904 RLZ27B 1 2 R938 3K9 1 10W 1 R916 100R 1 8W 5 ZD901 RLZ18B 1 2 R942 100R 1 8W 5 D907 31DQ06FC3 R923 1K 1 10W 1 U901 LD7577 1 2 3 4 5 6 7 8 BNO COMP CS GND OUT VCC NC HV R910 2R2 1 4W 5 NR901 NTCR C906 0 1uF 65G1206104 32 R911 10R 1 4W 5 R902 620K OHM 1 4W C908 D902 FR103 R912 10K 1 10W 1 5V 5V C921 1uF 25V F901 FUSE C915 0 1uF Q901 FMA07N65GX R914 0...

Page 43: ...F 50V R819 2R2 1 8W 5 R844 10K 1 10W L802 200mH 1 2 4 3 C814 220pF D801 IN4148 C809 220pF50V C819 56pF3KV 5Vi C813 NC C822 56pF3KV 16V C805 33NF50V C820 56pF3KV CN804 CONN 1 2 R801 10K 1 8W 5 R802 22R 1 8W 5 IC801 ta9687GN A 0 TR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VSEN SSTCMP CT RT1 GNDA PDR2 GNDP NDR2 NDR1 PDR1 VDDA TIMER PWM ISEN OVPT ENA RJ838 0 OHM 3 4W Q904 2N3904S RTK PS R803 5K1 1 8W 5 ...

Page 44: ... 44 Mar 2009 P NO Printed in China h t t p w w w w j e l n e t ...

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