Samsung MO15E Series Скачать руководство пользователя

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CONFIDENTIAL

MO15E*

4-1

4 Troubleshooting

Notes:

1. Before troubleshooting, setup the PC’s display as below.

• Resolution: 1024 x 768
• H-frequency: 48 kHz
• V-frequency: 60 Hz

2. If no picture appears, make sure the power cord is correctly connected.

3. Check the following circuits.

• No raster appears: SMPS PCB, Main PCB
• 14V develop but no screen: Main PCB
• 14V does not develop: SMPS PCB

4. If you push and hold the “EXIT” button for more than 5 seconds, the monitor automatically turns back

to the factory preset.

4-1 No Power

Does proper DC 14 V appear at

Pin 1, 2 or Pin 3 of CN202?

Check SMPS.

Yes

Does proper DC 3.3 V appear at

Pin 4 of IC100?

Check IC100.

Check IC101, IC301, IC500 or IC602.

Yes

Содержание MO15E Series

Страница 1: ... LCD MONITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Parts List 6 Electrical Parts List 7 Block Diagram 8 Wiring Diagram 9 Schematic Diagrams 10 Panel Description CONFIDENTIAL ...

Страница 2: ...liances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwhea...

Страница 3: ...ixel Clock rate 80 MHz Active Display Horizontal Vertical 304 1 mm 228 1 mm AC power voltage Frequency AC 90 264 Volts 60 50 Hz 12 V 3 A Power Consumption 30 W MAX Dimensions Unit Weight incl Carton Unit W x D x H 357 5 x 184 5 x 360 6 mm 14 1 x 7 3 x 14 2 inches Carton W x D x H 440 x 363 x 145 mm 17 3 x 14 3 x 5 7 inches Weight Net Gross Normal Stand 2 9 kg 6 4 lbs 4 6 kg 10 1 lbs Multi Stand 2 ...

Страница 4: ... service manual describes the disassembly and reassembly procedures for the MO15E monitors WARNING This monitor contains electrostatically sensitive devices Use caution when handling these components 3 1 Disassembly Cautions 1 Disconnect the monitor from the power source before disassembly 2 Follow these directions carefully never use metal instruments to pry apart the cabinet 3 1 1 Main Body Disa...

Страница 5: ... Check the following circuits No raster appears SMPS PCB Main PCB 14V develop but no screen Main PCB 14V does not develop SMPS PCB 4 If you push and hold the EXIT button for more than 5 seconds the monitor automatically turns back to the factory preset 4 1 No Power Does proper DC 14 V appear at Pin 1 2 or Pin 3 of CN202 Check SMPS Yes No Does proper DC 3 3 V appear at Pin 4 of IC100 Check IC100 Ch...

Страница 6: ...MO15E 5 1 CONFIDENTIAL 5 Exploded View and Parts List ...

Страница 7: ...6 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C203 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C204 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C205 2203 000815 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 1608 C206 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C208 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C210 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C212 2203 005005...

Страница 8: ...7 Block Diagram MO15E 7 1 H V NT7181F Brightness On Off 14V 12MHz 12MHz Mascot V CONFIDENTIAL ...

Страница 9: ...8 Wiring Diagram MO15E 8 1 CONFIDENTIAL 8 Wiring Diagram ...

Страница 10: ... C203 100 R507 5V R526 100 C508 10uF R518 1K R512 R5114 7K R517 4 7K A 2 C1 6 C2 4 C3 3 C4 1 NC 5 100 A 6 C1 4 C2 3 C3 1 C4 5 NC QZX363C5V6 IC601 IC200 QZX363C5V6 2 5V R204 100 1 16W MMBD4148SE 1 2 3 C218 5V D205 R524 100 C507 22pF 1 16W 1M C506 22pF X501 HC 49 S SMD 12MHz 30ppm Q0 Q1 R505 C212 100nF 50V 15pF C214 R703 10K 1 16W 10uF C217 5V 16V 100nF C216 R214 10 5 6 7 8 50V C201 100nF IC202 1 2 ...

Страница 11: ...195Z DELL 1900 FP SEC LTM181E5 L01 BN07 00061A EF BN68 00239C 18 narrow bezel GH18PS SEC LTM150XP L01 BN07 00065A EG BN68 00239F AMLCD PVA PANEL SEC LTM240W1 L02 BN07 00062A EH BN68 00239G 15 Wide tv panel TOSHIBA LTM15C419 A BN07 00002A TA BN68 00187N TOSHIBA LTM15C423 B BN07 00006A TB BN68 00187P TOSHIBA LTM18C161 BN07 00008A TC BN68 00187U TOSHIBA LTM15C443 BN07 00031A TD BN68 00195A TOSHIBA LT...

Страница 12: ...e form without prior written permission of Samsung Electronics Co Ltd MO15E Service Manual First edition March 2002 Printed in Korea Trademarks Samsung is a registered trademark and MO15E and MacMaster Cable Adapter are trademarks of Samsung Electronics Co Ltd Macintosh Centris Quadra Duo Dock and Power Macintosh are trademarks of Apple Comprter Inc All other trademarks are the property of their r...

Страница 13: ...10 Panel Description 10 2 MO15E CONFIDENTIAL Memo ...

Страница 14: ...CONFIDENTIAL 9 Schematic Diagrams 9 2 MO15E 8 10 11 13 14 15 ...

Страница 15: ...26 RED_INB_2_UV2 RED_INB_1_UV1 25 24 RED_INB_0_UV0 RCLP 61 PWM1 GRN_OUTA_3 GRN_OUTA_2 LCD_VBL 141 IRQ 159 GRN_OUTB7 129 128 GRN_OUTB6 GRN_OUTB5 127 126 GRN_OUTB4 124 GRN_OUTB3 67 70 OSD_I 68 OSD_G 20 GRN_INB_5 GRN_INB_4 19 18 GRN_INB_3 GRN_OUTB2 123 122 GRN_OUTB1 GRN_OUTB0 121 GRN_OUTA_7 99 98 GRN_OUTA_6 GRN_OUTA_5 97 96 GRN_OUTA_4 94 15 154 GPIO1 GPIO0 153 54 GNDAG 48 GNDAB GI 53 GCLP 55 93 92 GR...

Страница 16: ...CONFIDENTIAL 9 Schematic Diagrams 9 4 MO15E 1 9 12 2 ...

Страница 17: ...54 TXIN2 22 TXIN20 23 TXIN21 24 TXIN22 25 TXIN23 TXIN24 27 28 TXIN25 30 TXIN26 50 TXIN27 TXIN3 55 TXIN4 TXIN1 TXIN10 8 TXIN11 10 11 TXIN12 12 TXIN13 14 TXIN14 15 TXIN15 TXIN16 16 18 TXIN17 TXIN18 19 20 TXIN19 LVDSGND2 44 LVDSVCC PLLGND 35 33 PLLGND1 34 PLLVCC 32 PWRDWN R_FB 17 TXCLKIN 31 TXCLKOUT 39 40 TXCLKOUT 51 TXIN0 52 5 GND1 GND2 13 21 GND3 GND4 29 GND5 53 LVDSGND 49 43 LVDSGND1 36 R408 DS90C...

Страница 18: ...9 Schematic Diagrams 9 6 MO15E CONFIDENTIAL 1 3 4 5 6 7 ...

Страница 19: ...Memo 8 Wiring Diagram 8 2 MO15E CONFIDENTIAL ...

Страница 20: ...7 Block Diagrams 7 2 MO15E CONFIDENTIAL Memo ...

Страница 21: ...6V X7R TP 1608 C336 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C337 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C338 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C339 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C340 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C341 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 C342 2203 000236 C CERAMIC CHIP 0 1nF 5 ...

Страница 22: ... 6mm SNA IC100 1203 001447 IC POSI FIXED REG 2596 TO 263 5P PLASTIC 3 135 IC200 0403 001435 DIODE ZENER QZX363C5V6 5 32 5 88 200MW SOT 363 TP IC201 0801 002478 IC CMOS LOGIC 7SZ14 SCHMITT TRIGGER SOT23 5P 63MIL SINGLE TR PLASTIC 6V 40to 85C 200mW 0 IC202 1204 001551 IC VIDEO SYSTEM GS1881 SOIC 8P 150MIL PLASTIC 13 2V 0TO 70C TP VIDEO SYNC SEPARATOR IC300 0904 001655 IC GRAPHIC CONT MASCOTV 24BIT P...

Страница 23: ... 1 16W DA TP 1608 R217 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R218 2007 001114 R CHIP 680Kohm 5 1 16W DA TP 1608 R219 2007 000309 R CHIP 10ohm 5 1 16W DA TP 1608 R220 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R300 2007 000124 R CHIP 2 2Kohm 5 1 16W DA TP 1608 R301 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R302 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 R303 2007 000109 R CHIP 1Mohm 5 1 ...

Страница 24: ...07 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R520 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R521 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R523 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R524 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R525 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R526 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R527 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R604 20...

Страница 25: ...07 ANALOG BN91 00301C ASSY MISC ADAPTOR DV18MS SNA CIS BN44 00058A ADAPTOR PSCV420106A AD 4214N GH17PS 100 TO 240 VAC 47 63 HZ 14VDC 3A 42W AC DC 0 T BN91 00311B ASSY LCD GD15NS SNA CIS BN07 00043A LCD LTM15C458 GH15LS 6BIT_FRC 331 6 254 7 12 5 16 1M 60 0 297 0 297 0 40 3 3 TOSHIBA BN91 00346A ASSY CHASSIS MO15ES BN91 00350A ASSY SHIELD MO15ES SNA CIS BN90 00055A ASSY SHIELD PCB MO15PS SECC T0 5 S...

Страница 26: ...5 Exploded View Parts List 5 2 MO15E Memo CONFIDENTIAL ...

Страница 27: ...e IC401 or check its related circuit No Do the sync pulses appear at Pin 27 28 30 and 31 of IC401 Yes Yes No No Yes Yes Replace X301 or check its related circuit No No 1 2 Does the clock pulse appear at Pin 73 of IC300 9 12 8 Do the pulses appear at Pin 43 44 of IC501 Replace IC202 SOG or check R207 and Pin 13 15 17 19 of CN202 10 13 14 15 1 3 4 5 11 Do the waveforms appear at Pins 39 and 40 of IC...

Страница 28: ...4 Troubleshooting MO15E 4 3 CONFIDENTIAL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 WAVEFORMS ...

Страница 29: ...es any pulse appear at Pin 16 17 of IC501 Press exit key for more than 5 seconds to do the factory preset No Do the pulses appear at Pin2 and Pin3 of CN600 while pushing a front control button Replace IC300 and check its related circuit Yes Yes Replace IC501 or check its related circuit Replace the key function PBA No ...

Страница 30: ...ble clamp 5 Disconnect the stand cable from socket and remove stand assembly 6 Remove 2 screws of Cover Rear 7 Turn the monitor for front side up 8 Remove the Cover Front by fulling the center area of bezel and side area in sequence If the side area is not loosed easily open the snap using driver at the corner of slot of Cover Rear ...

Страница 31: ...ly MO15E 3 3 CONFIDENTIAL 9 Remove the 4 screws of panel 10 Turn the monitor for face down and open the Cover Rear from top area 11 Disconnect the function cable from the connector of main board 12 Remove the 3 screws of shield ...

Страница 32: ...E 1 After confirm there is nothing on the disk Turn the LCD module over and put it on a flat desk set to the ground 3 2 Replacement Order of Lamp Assemblies 2 Remove the screw and slide the lamp unit 3 Please take out the lamp unit from the LCD module ...

Страница 33: ...ase fix the new lamp units on the LCD module opposite process 2 and 3 Replacement of lamp unit should be done at the power off state and recommanded clean bench condition 3 3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures ...

Страница 34: ...CONFIDENTIAL Memo 3 Disassembly and Reassembly 3 6 MO15E ...

Страница 35: ...14 15 Red Green Blue GND GND DDC Return GND R GND G GND B No Connection GND Sync Self Test GND DDC Data H Sync V Sync DDC Data Red Green Blue GND GND DDC Return GND R GND G GND B No Connection GND Sync Self Test GND DDC Data H V Sync Not Used DDC Data Red Green H V Sync Blue GND GND DDC Return GND R GND G GND B Not Used GND Sync Self Test GND DDC Data Not Used Not Used DDC Data ...

Страница 36: ...ack porch R Active time E Front porch S Front porch VGA3 60 Hz 640 x 480 640 72 Hz 640 x 480 640 75Hz 640x480 800 56 Hz 800 x 600 800 60 Hz 800 x 600 VGA1 70 Hz 640 x 350 VGA2 70 Hz 720 x 400 Table 2 1 Timing Chart 31 469 31 777 3 813 1 589 26 058 0 318 70 087 14 268 0 064 0 858 13 155 0 191 28 322 Negative Positive Separate 31 469 31 778 3 813 1 589 26 058 0 318 59 940 16 683 0 064 0 794 15 761 0...

Страница 37: ... Separate 49 726 20 110 1 117 3 910 14 524 0 559 74 551 13 414 0 060 0 784 12 549 0 020 57 284 Negative Negative Separate Mode MAC Timing Q R S P O Video Sync Sync Horizontal Vertical C D E P O B A Video Sync Sync Separate Sync C D A O E B P Video Sync Sync Video Q R S A Line time total B Horizontal sync width O Frame time total P Vertical sync width C Back porch D Active time Q Back porch R Activ...

Страница 38: ...switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 6 Do not remove ...

Страница 39: ...o Ltd 416 Maetan 3Dong Paldal Gu Suwon City Kyungki Do Korea Printed in Korea P N BN81 00034C 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www sec co kr monitor Korea ...

Страница 40: ......

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