Samsung MO15E Series Service Manual Download

Page: 10 / 40

CONFIDENTIAL

MO15E*

9-1

9 Schematic Diagrams

9-1 Schematic Diagram

100nF

R523

100

G-GND

G-VIDEO

B-VIDEO

B-GND

V-SYNC

+14VDC

R-GND

DSUB_+5V

DSUB_SDA
DSUB_SCL

R-VIDEO

CHK_DSUB

DSUB_GND

H-SYNC

P-GND

D202
BZX84C5V1

16V

100uF

C107

R216

C703
470nF
16V
MO

C105
470nF
16V
MO

4.7K

R520

+5V

KSC1623-Y

Q601

R215
33
1/16W

R213

C101

100nF
16V

16V

470nF

C106

L200
1.5uH

D204

MMBD4148SE

MS_3.3V

R525
100

+5V

SK34

D100

slcon8p

470nF
16V

CN501

100uF

C705

C501

MS_3.3V

C500

100nF
16V

R206

100
1/16W

C206

22pF

R200

1/16W

10K

R218
680K

R100

1/16W

4.7K

R527

R208

16V

470nF

C513

C509

50V

470nF
16V
MO

50V

15pF

C511

C512

15pF

C220
10uF

Q701
KSC1623-Y

C601

100nF

R220
4.7K
1/16W

1/16W

R209

16V

100nF

C702

100
1/16W

R207

D203

R211

100

1/16W

MMBD4148SE

C706
100uF
16V

R606

Vin

16V

100uF

C701

F_B

GND

GND1

ON_OFF

OUT

R508

18K

IC100
LM2596S-3.3

18K

R509

+5V

100uF
16V

C502

C504

16V

100uF

slcon8p

CN600

100nF

C210

D1_1

7
6

D2_1

+5V

SI9933ADY-T1

IC101

BLM41P600S

FT701

1.5uH

L601

47K
1/16W

R201

R212

1/16W

R605

510

1/16W

C215

15pF
50V

Q600

KSC1623-Y

100nF

C505

16V

100

100nF

C503

16V

TP1491

R515

R514

R702
100

1/16W

R501
10K
1/16W

53uH

L101

R203

1/16W

100

100nF

C208

C213

15pF
50V

PANEL_3.3V

R210

GND

OUT

C600

100nF

16V

470nF

C704

IC500
BA17805FP

10K

R101

R102

TP1490

10K

R5134.7K

100

R516

R502

470

R500

R503

100

R506

100

4.7K

100

R519

R701

R217

R700
4.7K
1/16W

+3.3V

100

R521

100pF

C203

100

R507

+5V

R526

100

C508
10uF

R518

R512

R51

14.7K

R517

4.7K

100

3
C3

1
C4

QZX363C5V6

IC601

IC200
QZX363C5V6

+5V

R204

100 1/16W

MMBD4148SE

C218

+5V

D205

R524

100

C507
22pF

1/16W

C506
22pF

X501

HC-49/S-SMD(12MHz,30ppm)

R505

C212

100nF

50V

15pF

C214

R703
10K
1/16W

10uF

C217

+5V

16V

100nF

C216

R214
10

50V

C201
100nF

IC202

PC7

PD0

PD1

34
33

PD2

PD3

PD4

31
30

PD5

RSTB

V33

VSYNCI

LM1881M

PB4

PB5

PB6

PB7

PC0

PC1

PC2

PC3

PC4

PC5

PC6

PB0

PB1

PB2

PB3

HSYNCI

NC1

NC2

OSCI

OSCO

P30

P31

P34

P35

PA0

+5V

NT68F63L

IC501

CVV

GND

47K

R202

1/16W

+14V

C205
33pF
50V

1/16W

510

R604

C202
100pF

10nF

50V

C219

100nF
16V

C104

1.5uH

L201

MS_3.3V

C100
100uF
16V

+14V

CN101

slcon14p_1

1/16W

10K

R504

L600

1.5uH

C102

16V

100uF

VCC

1/16W

100

R607

NC7SZ14M5X

IC201

GND

+14V

16V

100nF

C204

BZX84C5V1

D201

C103
100uF
16V

C200

16V

100uF

C510
100nF

+5V

+14V

1/16W

R205

100

M24C08-WMN1T

IC502

1
2
3
4

D200

+3.3V

BZX84C5V1

14
15
16
17
18
19
20
21
22

R219

4
5
6
7
8
9

10
11
12
13

CN202

slcon22p_1

1
2
3

SDA

SCL

LED_B

H*V_SYNC

A_H*V_SYNC

H*V_SYNC

SEL_MDL

MS_IRQ*

KEY1_IN

CHK_DSUB

MS_RESET*

CHK_DVI
*PANEL_EN

*DPMS_ON

BRIGHT

KEY2_IN

MS_SCL

MS_SDA

GREEN

AMBER

V_SYNC

H_SYNC

LED_A

DDC_DATA

DDC_CLK

INV_GND

*LVDS_EN

A_V_SYNC

*BKLT_EN

SOG_SYNC

AGND

MS_SCL

MS_SDA

SOG_SYNC

*BKL

T_EN

KEY1_IN

KEY2_IN

*PANEL_EN

*DPMS_ON

SCL

SDA

BRIGHT

*BKLT_EN

SEL_MDL

INV_GND

AGND

RED+

A_H*V_SYNC

A_V_SYNC

DDC_DATA

DDC_CLK

AGND

BLU+

GRN+

CHK_DSUB

AMBER

GREEN

Summary of Contents for MO15E Series

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

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

Page 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...

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

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

Page 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 ...

Page 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...

Page 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...

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

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

Page 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...

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

Page 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...

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

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

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

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

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

Page 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...

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

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

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

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 40: ......

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