LG SDM-S74 Скачать руководство пользователя страница 18 | Manualshive

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4. TROUBLE IN DPM

TROUBLE IN DPM

TROUBLE IN PC

CHECK PC
PC IS NOT GOING
INTO DPM OFF MODE

NO

TROUBLE IN
SIGNAL CABLE

NO

YES

YES

CHECK

R734, R741

(INPUT-1)SYNC.

R732, R755

(INPUT-2)SYNC.

CHECK

U501 PIN 24

(0V) ?

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Содержание SDM-S74

Страница 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 42 MODEL SDM S74 SDM S94 ...

Страница 2: ...perating Frequency Horizontal 28 80kHz Digital 64kHz Vertical 48 75Hz Digital 60Hz 4 Max Resolution Analog 1280 x 1024 75Hz DVI Analog Digital 1280 x 1024 60Hz 5 POWER SUPPLY 5 1 Power AC 100 240V 50 60Hz 1 0A 5 2 Power Consumption 6 ENVIRONMENT 6 1 Operating Temperature 0 C 50 C 6 2 Relative Humidity 10 80 6 3 MTBF 50 000 Hours Min 7 DIMENSIONS with TILT SWIVEL SDM S74 Width 367mm 14 45 Depth 215...

Страница 3: ...S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 T M D S Data3 5V Power Ground return for 5V H Sync and V Sync Pin Signal DVI D 1 8 9 17 24 16 C1 C4 C3 C2 C5 16 17 18 19 20 21 22 23 24 Hot Plug Detect T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 T M D S Data5 T M D S Clock Shield T M D S Clock T M D S Clock T M D S Transition Minimized Differential Signaling DVI D Con...

Страница 4: ... 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 circuit w...

Страница 5: ...x768 75Hz H 60 241 1328 1024 32 96 176 304 V 74 927Hz 804 768 3 3 30 36 1024x768 MAC19 75Hz H 67 500 1600 1152 64 128 256 448 V 75 000Hz 900 864 1 3 32 36 1152x864 75Hz H 68 681 1456 1152 32 128 144 304 V 75 062Hz 915 870 3 3 39 45 1152x870 MAC21 75Hz H 61 795 1504 1152 30 128 194 352 V 65 950Hz 937 900 2 4 31 37 1152x900 66Hz H 71 732 1472 1152 16 96 208 320 V 76 068Hz 943 900 2 8 33 43 1152x900 ...

Страница 6: ...f press this switch again If the power indicator does not light up press the MAIN POWER switch 2 MENU Button This button turns the menu screen on and off 3 Buttons These buttons are used to select the menu items and make adjustments In addition these buttons switch the Video input signal between Input 1 and Input 2 when two computers are connected to the monitor 4 OK Button This button actives tge...

Страница 7: ... 7 WIRING DIAGRAM SDM S74 J702 J705 J706 CN001 CN003 Connector Ass y P N 6631T25005K Connector Ass y P N 6631T10003H Connector Ass y P N 6631T11016W ...

Страница 8: ... 8 J702 J705 J706 WIRING DIAGRAM SDM S94 Connector Ass y P N 6631T10003H Connector Ass y P N 6631T11016W Connector Ass y P N 6631T25005H ...

Страница 9: ... REMOVEL 2 Progress to left and lifts bezel furtively and extracts latch 3 Progress to right and extracts latch of bezel upper part by same method 4 Please pull upper side edge of Rear cabinet outside with fingertip 5 Please pull right side edge of Rear cabinet outside with fingertip 6 Please pull left side edge of Rear cabinet outside with fingertip ...

Страница 10: ...Progress continuously and extracts latch of bezel left by same method 5 Please pull the Rear cabinet both edge outside with fingertips like picture then Rear cabinet will be departed 6 If Rear cabinet be departed easily please pull upside edge of Rear cabinet outside 1 Please lift the central inside edge of Front bezel upward with fingertip like picture then latch will be departed ...

Страница 11: ...ut 4Lamp EEPROM EDID EEPROM System LVDS Panel Vcc Regulator Regulator KEY DVI D D Sub X1 Filter EEPROM 1 EDID MST9131B 3 3V 3 3V 2 5V 2 5V 5V 5V MTV412PLCC 12V DVI Rx LAMP Connector LIPS OSD Scaling Pre Amp PLL LVDS Tx BLOCK DIAGRAM ...

Страница 12: ...by MST This part transmit digital signal from the Scaler to the receiver of module 2 Power Part This part consists of the one 3 3V and one 2 5 regulators to convert power which is provided 5V by LIPS Board In particular 5V is provided for LCD Panel There is also 12V which is for Audio power Also 5V is converted 3 3V and 2 5V by regulator Converted power is provided for IC in the main board 3 Syste...

Страница 13: ...gh a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is transfer the primary energy to secondary 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 achive the dc output st...

Страница 14: ...e monitor specify it vertically in the center of the display and adjust the focus to the optimum level using an eyepiece 4 Put the monitor and Color Analyzer ex CA 110 in a light shielded room 5 Set up SERVICE MODE of the monitor 3 Operation Data is manually set to improve the productivity The brightness contrast and backlight are set to 50 70 and 100 respectively After that the default data of th...

Страница 15: ... AS OPENING EACH POWER LINE CHECK J705 VOLTAGE PIN 5 6 8 5V PIN 1 2 12V NO CHECK 5VS LINE OPEN CHECK CHECK U501 PIN 8 Voltage 5V NO CHECK IIC LINE CONNECTION U501 U502 CHECK U201 VCC X501 XTAL CHECK IS U201 PIN94 3 3V PIN85 2 5V VOLTAGE REPEATED AS PULSE SHAPE NO YES YES NO PROBLEM YES CHECK KEY CONTROL CONNECTOR ROUTINE ...

Страница 16: ...AYED CHECK LIPS CHECK J705 PIN 5 6 8 5V PIN 1 2 12V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT CHECK J705 PIN 10 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 17: ...3 2 5V REGULATOR CHECK U804 3 3V REGULATOR U501 PIN11 12 OSCILLATE AS 12MHZ CHECK CONNECTION LINE FROM D SUB TO U501 TROUBLE IN CABLE OR LCD MODULE YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED MST9131B NO RASTER OSD IS NOT DISPLAYED U501 PIN41 IS 48KHz H SYNC PIN42 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 NO NO ...

Страница 18: ...18 4 TROUBLE IN DPM TROUBLE IN DPM TROUBLE IN PC CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN SIGNAL CABLE NO YES YES CHECK R734 R741 INPUT 1 SYNC R732 R755 INPUT 2 SYNC CHECK U501 PIN 24 0V ...

Страница 19: ... 19 EXPLODED VIEW 1 5 2 2 1 6 1 3 7 8 9 11 13 14 15 12 4 16 10 6 9 1 17 a 18 ...

Страница 20: ... AI 0031 OX93L POWER TOTAL LIEN CHANG 19 SONY STEP UP O S FOR FUJITSU SDM S94 6871TPT249B PWB PCB ASSEMBLY POWER AI 0031B OS93L POWER TOTAL LIEN CHANG 19 SONY OFFICE STANDARD FOR CMO SDM S94 6871TPT249H PWB PCB ASSEMBLY POWER AI 0031H OS93L POWER TOTAL LIEN CHANG LIPS FOR AUO SDM S94 6631T11016W CONNECTOR ASSEMBLY 30P 30P H H 200MM UL20276 AWG30 LOX73L LOX93L SDM S74 SDM S94 6631T11016M CONNECTOR ...

Страница 21: ...04 02 03 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C733 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C734 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C735 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C737 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C738 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C739 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C740 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C745 0CK103CK51A 0 01UF...

Страница 22: ...M 1 10 W 5 1608 R TP R502 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R503 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R504 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R505 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R507 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R508 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R509 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R510 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R514 0RJ1002D677 10...

Страница 23: ...7 1 10W 5 D R TP R784 0RH0472D622 47 1 10W 5 D R TP R811 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R812 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R813 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R814 0RJ5600D677 560 OHM 1 10 W 5 1608 R TP R840 0RH0472D622 47 1 10W 5 D R TP R841 0RH0472D622 47 1 10W 5 D R TP R842 0RH0472D622 47 1 10W 5 D R TP R843 0RH0472D622 47 1 10W 5 D R TP R844 0RH0472D622 47 1 10W 5 D R T...

Страница 24: ...SCHEMATIC DIAGRAM 24 1 MST9131B ...

Страница 25: ... 25 2 MICOM ...

Страница 26: ... 26 3 POWER ...

Страница 27: ... 27 4 CONNECTOR JACKS ...

Страница 28: ...Feb 2004 P NO 3828TSO059Q Printed in Korea ...

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