LG LB501K-GL Скачать руководство пользователя страница 12 | Manualshive

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LG LB501K-GL Скачать руководство пользователя страница 12

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1. CHECK PIN141, 142

SOLDERING CONDITION

2. CHECK X201
3. TROUBLE IN U201

U201

POWER PINS

3.3V?

NO

CHECK U802, U806

U201 PIN141, 142

OSCILLATE AS 20MHZ?

CHECK CONNECTION LINE

FROM U201 TO U401

NO

TROUBLE IN CABLE

OR LCD MODULE

CHECK U805

U401 PIN1

3.3V?

NO

YES

YES

YES

YES

3. NO RASTER (OSD IS NOT DISPLAYED) – gmZAN2

NO RASTER

(OSD IS NOT DISPLAYED)

U401

PIN31 IS 65MHz CLOCK?

PIN27 IS 48KHz H-SYNC?

PIN28 IS 60Hz V-SYNC?

PIN30 IS 48KHz DEN?
IS PULSE APPEARED

AT SIGNAL PINS?

NO

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Содержание LB501K-GL

Страница 1: ...MENU AUTO SE LECT COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 32 FACTORY MODEL LB501K MODEL L1511S LB501K GL ...

Страница 2: ...0 0 714 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 30 000 Hours Min 6 DIMENSIONS with TILT SWIVEL Width 356mm 14 01 Depth 151 7mm 5 97 Hei...

Страница 3: ...uch 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 cir...

Страница 4: ...ution 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 768...

Страница 5: ...uttons to choose or adjust items in the On Screen Display 4 AUTO SELECT Button Use this button to enter a selection in the On Screen Display MENU AUTO SELECT Power Connector When adjusting your display 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 ...

Страница 6: ...WIRING DIAGRAM J706 J702 J1 J705 CN2 CN3 Connector Ass y P N 6631T11016C Connector Ass y P N 6631T20008U ...

Страница 7: ...ule Power 3 3V 3 3V_PL 3 3VD 5VR 3 3V_AD Regulator BA033 Regulator BA033 3 3V_A 3 3V Regulator BA033 Hsync2 Vsync2 Hsyncm Vsyncm 2 5V_A 2 5V_D Regulator RC117 2 5V_A 2 5V_D 5VR LVDS Filter BD SMPS 5VR CON 8P Inver ter block 12VS LIPS CON 2P EEPROM 24LC02 24 Bit Inverter on off DIMADJ Inverter on off DIMADJ Inverter on off DIMADJ Inverter on off DIMADJ CON 2P PWM Controller ...

Страница 8: ... Microprocessor U501 let User adjust screen by OSD function 3 LVDS Low Voltage Differential Signal U411 LVDS transmitter U411 delivers digital signal to the receiver inside LCD module by method of abstraction The abstracted signals are pairs of RIN0 RIN1 RIN2 RIN3 and RCLKIN of which voltage swing is 0 5V each When SHUTON pin s input is High transmitter goes to power down mode 4 DC DC block This b...

Страница 9: ...for White Balance 1 Display color 0 0 pattern at Mode 13 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...

Страница 10: ...AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK J705 VOLTAGE PIN5 PIN6 5V NO CHECK 5VS LINE OPEN CHECK CHECK U805 PIN 1 Voltage 5V NO CHECK IIC LINE CONNECTION U501 U502 CHECK U201 VCC XTAL RESET IS U201 PIN12 3 3V VOLTAGE REPEATED AS PULSE SHAPE NO YES YES YES NO PROBLEM NO CHECK KEY CONTROL CONNECTOR ROUTINE ...

Страница 11: ...T DISPLAYED CHECK LIPS J705 PIN5 PIN 6 5V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT 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 ...

Страница 12: ...CILLATE AS 20MHZ CHECK CONNECTION LINE FROM U201 TO U401 NO TROUBLE IN CABLE OR LCD MODULE CHECK U805 U401 PIN1 3 3V NO YES YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED gmZAN2 NO RASTER OSD IS NOT DISPLAYED U401 PIN31 IS 65MHz CLOCK PIN27 IS 48KHz H SYNC PIN28 IS 60Hz V SYNC PIN30 IS 48KHz DEN IS PULSE APPEARED AT SIGNAL PINS NO ...

Страница 13: ...ECK PC 2 CHECK SIGNAL CABLE D SUB CONNECTOR LINE CHECK R G B INPUT U201 PIN 87 91 95 NO CHECK H SYNC LINE D SUB U701 MICOM U201 PIN150 CHECK H SYNC INPUT U201 PIN 150 NO YES YES YES NO RASTER OSD IS DISPLAYED 4 NO RASTER OSD IS DISPLAYED gmZAN2 ...

Страница 14: ...C229 C241 C245 C246 C247 C217 C244 U401 C405 BA205 C236 C206 10 5 110 R202 C214 L803 R734 C707 Q701 ZD701 C731 D703 D704 D705 R501 R502 R503 R538 R523 R524 R527 C506 C507 U806 C802 C228 C239 C240 C219 C221 C222 BA202 C226 BA206 C232 L201 20 100 R201 C821 C827 R205 C824 R717 R707 ZD702 R504 R505 R506 R507 R508 R509 R519 R520 R521 C508 C801 L805 R207 C261 C225 C230 L204 C262 C205 30 90 C258 C259 C26...

Страница 15: ...EXPLODED VIEW 3 2 4 A 4 B 10 a 11 6 5 9 7 1 8 ...

Страница 16: ...DISPLAY LM150X07 B4 LG PHILPS TFT COLOR 15 0 INCH XGA BACK COVER ASSEMBLY LB500J 029A PC ABS TILT SWIVEL ASSEMBLY LB500J BASE TILT SWIVEL ASSEMBLY LB500J METAL ASSEMBLY FRAME MAIN LB500K LPL MODULE ADAPTER AC DC PWI1502LG 5V 12A 1A 1A LIPS FOR K CHASSIS ADAPTER AC DC ADP 30EP 5V 12A 1A 1A LIPS FOR K CHASSIS MAIN TOTAL ASSEMBLY LB500K LPL BRAND CL 32 METAL REAR LB500J CONNECTOR ASSEMBLY 20P H H 100...

Страница 17: ...TP B Y5P DATE 2002 8 29 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C270 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C271 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C401 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C402 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C403 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C404 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C405 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C501 0CK104CK56A...

Страница 18: ...D677 4 7K OHM 1 10 W 5 1608 R TP R504 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R505 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R506 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R507 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R508 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R509 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R510 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R511 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R512 0RJ470...

Страница 19: ...10 W 5 1608 R TP R2 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R3 0RJ1501D677 1 5K OHM 1 10 W 5 1608 R TP R4 0RJ1501D677 1 5K OHM 1 10 W 5 1608 R TP R5 0RJ3301D677 3 3K OHM 1 10 W 5 1608 R TP R6 0RJ3301D677 3 3K OHM 1 10 W 5 1608 R TP R7 0RJ9101D677 9 1K OHM 1 10 W 5 1608 R TP SW1 140 058E SKHV10910B LGEC NON 12V 20A HO SW2 140 058E SKHV10910B LGEC NON 12V 20A HO SW3 140 058E SKHV10910B LGEC NON 12V ...

Страница 20: ...ING 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 to 6 0V power Supply Ground V A1 Y1 AS A2 Y6 Y2 A5 A3 Y5 Y3 A4 GND Y4 CC 1 2 3 4 5 6 7 14 ...

Страница 21: ...D4 R F TD5 TB6 TC0 GND TC1 TC2 TC3 TD6 VCC TC4 TC5 TA4 TA3 TA2 GND TA1 TA0 TD0 LVDS GND TA TA TB TB LVDS VCC LVDS GND TC TC TCLK TCLK TD TD LVDS GND PLL GND PLL VCC PLL GND PDWN CLK IN TC6 GND THC63LVDM83R DATA LVDS TA0 6 TB0 6 TC0 6 TD0 6 7 7 7 7 TRANSMITTER CLOCK IN 20 to 85MHz R F PDWN RS TB TA TC TD 140 595Mbit On Each LVDS Channel TCLK CLOCK LVDS 20 85MHz TTL PARALLEL TO SERIAL PLL THC63LVDM8...

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