LG L1511SL-ALB Service Manual Download Page 23 | Manualshive

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SCHEMATIC DIAGRAM

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1. SCALER

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Summary of Contents for L1511SL-ALB

Page 1: ... http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 32 MODEL L1511S L1511SL AL R L1511SK L1511SL AL B Same model for Service To apply the Mstar Chip ...

Page 2: ... 0 0 35 Vp p c Color 15 0 0 7 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 30 63kHz Vertical 56 75Hz 4 POWER SUPPLY 4 1 Power 100 240V 50 60Hz 0 6A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 5 2 Relative Humidity 10 80 Non condensing 5 3 MTBF 50 000 Hours Min Lamp Life 40 000 Hours Min 6 DIMENSIONS with TILT SWIVEL Width 356mm 14 01 ...

Page 3: ... 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 c...

Page 4: ...lution 640 x 350 720 x 400 640 x 480 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1024 x 768 Total Period E 800 449 900 449 800 525 864 525 832 520 840 500 1024 625 1056 628 1040 666 1056 625 1152 667 1344 806 1328 806 1312 800 Video Active Time A 640 350 720 400 640 480 640 480 640 480 640 480 800 600 800 600 800 600 800 600 832 624 1024 76...

Page 5: ...play settings always press the AUTO SELECT button before entering the On Screen Display OSD This will automatically adjust your display image to the ideal settings for the current screen resolution size display mode The best display mode is 1024x768 60Hz See front control panel D Sub Signal Connector 1 1 4 3 2 This function optimizes the brightness contrast or color value to the surrounding condit...

Page 6: ... 6 WIRING DIAGRAM J1 CN2 CN3 J706 J704 J705 Connector Ass y P N 6631T11016C Connector Ass y P N 6631T20022G ...

Page 7: ...IAGRAM D SUB MST9011 including ADC LVDS SCALER MTV312 Micom LCD Module R G B differential LVDS Low Voltage Differential Signaling LIPS 5V 5V AC Input 3 3V Reg 2 5V Reg 5V 5V 12V R G B H V Sync 3 3V 2 5V 3 3V 2 5V ...

Page 8: ...puts 8 bit R G B signal to transmitter Especially pre amp ADC Video controller Transmitter are merged to one chip MST9011 by MSTAR This part transmit digital signal from the Scaler to the receiver of module 2 Micom Part 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 c...

Page 9: ...for White Balance 1 Display color 0 0 pattern at Mode 12 2 Set External Bright to MAX position and Contrast to MAX Position 3 Select PRESET START BIAS CAL command and Enter 4 No attempt to manually adjust BIAS data is auto matically adjusted and saved to the EEPROM 5 Display color 15 0 pattern at Mode 13 6 Select DRIVE CAL command and Enter 7 Color 1 9300K and Color 2 6500K are automatically adjus...

Page 10: ...BOARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK J707 VOLTAGE PIN5 PIN6 5V NO CHECK 5VR LINE OPEN CHECK CHECK U802 PIN 3 3V U803 PIN 4 2 5V NO CHECK IIC LINE CONNECTION U501 U502 CHECK U201 VCC XTAL RESET IS U201 PIN42 VOLTAGE REPEATED AS PULSE SHAPE NO YES YES YES NO PROBLEM YES CHECK KEY CONTROL CONNECTOR ROUTINE ...

Page 11: ...NOT DISPLAYED CHECK LIPS J705 PIN5 PIN 6 5V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT U501 PIN41 J705 PIN1 5V NO LIPS CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE NO REPLACE CCFL LAMP IN THE LCD MODULE YES YES YES YES ...

Page 12: ...1 U201 PIN122 123 OSCILLATE AS 12MHZ CHECK CONNECTION LINE FROM U201 TO U501 TROUBLE IN CABLE OR LCD MODULE CHECK 5VR LINE U501 PIN8 5V YES YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED MST9011 NO RASTER OSD IS NOT DISPLAYED U501 PIN41 IS 48KHz H SYNC PIN42 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS NO NO NO ...

Page 13: ...OR LINE CHECK R G B INPUT U201 PIN 33 30 28 NO CHECK H SYNC LINE D SUB U501 U201 PIN126 CHECK H SYNC INPUT U201 PIN 126 NO YES YES YES CHECK V SYNC LINE D SUB U501 U201 PIN127 CHECK V SYNC INPUT U201 PIN 127 NO YES NO RASTER OSD IS DISPLAYED 4 NO RASTER OSD IS DISPLAYED MST9011 TROUBLE IN LCD MODULE YES ...

Page 14: ...C229 120 R739 C220 J702 50 R502 R750 R751 U501 R501 C512 C502 C503 15 R536 C513 10 Q502 C501 C514 5 R592 R593 R204 R205 C211 10 1 C212 C215 20 C207 30 C208 1 40 Q505 R525 R541 20 R581 R571 R531 D707 R530 R580 R570 R520 R504 R509 R590 R591 Q701 R207 R733 R522 C216 A Q702 R716 R740 C201 C712 C202 C203 C209 C713 C210 C714 1 R528 R529 25 C703 40 D703 R725 R705 R722 ZD702 C505 C715 D706 R717 ZD701 D701...

Page 15: ... 15 SW2 LED1 MODEL L1510SL P N 6870T628C10 DATA 2003 01 22 SW6 SW3 SW4 R6 R4 SW7 R7 SW5 R3 R5 R1 R2 ZD1 SW1 ZD2 J1 3 CONTROL BOARD Component Side 2 MAIN BOARD Solder Side 1 C214 C224 C213 ...

Page 16: ... 16 4 POWER BOARD Component Side 5 POWER BOARD Solder Side ...

Page 17: ... 17 EXPLODED VIEW 3 2 4 A 4 B 10 a 11 6 5 9 7 1 b 8 ...

Page 18: ...ASSEMBLY L1511SL L029 HF350U BK 9930 L1511SK TILT SWIVEL ASSEMBLY LB500J BASE L1511S TILT SWIVEL ASSEMBLY LB501J BASE BK L1511SK TILT SWIVEL ASSEMBLY LB500J L1511S TILT SWIVEL ASSEMBLY LB501J BK L1511SK METAL ASSEMBLY FRAME MAIN L1510SL LPL P4 PWB PCB ASSEMBLY POWER 15 LPL L1510SL POWER TOTAL SPI FSP017 2PI02 PWB PCB ASSEMBLY POWER ADP 30EP POWER TOTAL DELTA L1510SL LIPS PWB PCB ASSEMBLY POWER LI1...

Page 19: ...1608 50V 10 R TP X7R C715 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C727 0CK105CD56A 1UF 1608 10V 10 R TP X7R C730 0CC101CK41A 100PF 1608 50V 5 R TP NP0 C731 0CC680CK41A 68PF 1608 50V 5 R TP NP0 DATE 2003 3 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C732 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C760 0CE107EF610 100UF KMG RD 16V 20 FL BULK C801 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C802 0CK104C...

Page 20: ...J4701D677 4 7K OHM 1 10 W 5 1608 R TP R722 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R723 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R724 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R725 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R726 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R727 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R733 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R734 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R735 0RJ000...

Page 21: ...ORD ADDRESS BUFFERS COLUMN DECODERS START STOP LOGIC XDEC DATA IN STORAGE HIGH VOLTAGE TIMING CONTROL STATE COUNTERS SLAVE SCL A0 A1 VCC VSS A2 ADDRESS COMPARATORS CONTROL LOGIC ACK E PROM 2 PIN CONFIGURATION DIP Package p SOIX Package J TSSOP Package U BLOCK DIAGRAM PIN FUNCTION Pin Name A0 A1 A2 SDA SCL WP Vcc Vss Function Device Adress Inputs Serial Data Address Serial Clock Write Protect 1 8V ...

Page 22: ...63 64 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 VSYNC1 TESTPIN NC NC AVSS NC NC AVDD NC NC AVSS NC NC AVDD REXT AVDD_PLL AVSS_PLL AVDD AVSS BIN1 BIN1M SOGIN1 GIN1 GIN1M RIN1 RIN1M BIN0M BIN0 GIN0M GIN0 SOGIN0 RIN0M RIN0 AVSS AVDD RMID REFP REFM AVSS_PLL NC NC NC NC NC NC GNDP VDDP NC NC NC NC NC NC NC NC VDDC GNDC GNDP VDDP...

Page 23: ...SCHEMATIC DIAGRAM 23 1 SCALER ...

Page 24: ... 24 2 MICOM ...

Page 25: ... 25 3 POWER ...

Page 26: ... 26 4 CONNECTOR JACKS ...

Page 27: ... 27 5 KEY PART ...

Page 28: ...Mar 2003 P NO 3828TSL083T Printed in Korea ...

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