Samsung 2493HM - SyncMaster - 24" LCD Monitor Скачать руководство пользователя страница 34

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7-4

7. Schematic Diagram

7-2-2 DVI, HDMI input Block

- This Document can not be used without Samsung’s authorization.

DVI_INPUT

HDMI_INPUT

3
4

C131

100nF
16V

FT101

3
4

VSS

SDA

SCL

VCC

FT103

IC105

24LC02B-E/SN

D125

10Kohm

R179

D121

MMBD4148SE,100V

R154

100ohm

10ohm

R138

D105

+5V_DDC

1/10W

R163

0ohm

1.5Kohm

R1228

1Kohm

R140

BD1004

XREF

C1141

100nF

25V

+5V_DDC

TP_DDCH_SCL

VSS

SDA

SCL

VCC

IC101

24LC02B-E/SN

+3.3V_LIVE

10ohm

R137

25V

100nF

C1142

10ohm

R135

R130

10ohm

TP_DDCH_SDA

TP_DDCH_WP

R271

+5V_DDC_H

+3.3V_LIVE

D109

0ohm

D127

TP_DDCD_SDA

D122

R275

0ohm

D124

0ohm

R277

XREF

D123

TP_DDCD_SCL

SDS7000

D130

47Kohm

R136

R134

10ohm

D111

10ohm

FT102

3
4

R139

BD1005

SDS7000

TP_DDCH_GND

D129

0ohm

R273

R102

4.7Kohm

C1147

100nF

25V

0ohm

R165

1/10W

+3.3V_LIVE

4.7Kohm

R152

+5V_DDC_D

D112

R150

22ohm

25V 100nF

C1146

R182

100ohm

C132

100nF
16V

D110

25V

100nF

C1148

1.8Kohm

R1227

0ohm

R269

D128

ZD110

25V

100nF

C1143

BZX84C5V6LT1

R274

0ohm

XREF

D126

+5V_DDC

8
9

MGND1

MGND2

MGND3

MGND4

MGND5

D108

14
15
16
17

2
3
4

CN703

SP06-14555-02

10
11

25V 100nF

C1124

22ohm

R148

XREF

100ohm

R181

R141

22ohm

R144

R142

10Kohm

TP_DDCD_GND

22ohm

R155

1Kohm

XREF

3
4

ZD111

FT104

BZX84C5V6LT1

D133

R272

0ohm

XREF

0ohm

R276

XREF

R1229

4.7Kohm

R147

D107

1/10W

R1145

0ohm

2SC2412K-Q

Q103

SPEC_STRESS_1

R149

22ohm

D0-A

D0+A

D1+

D1-

VDD33

SEL

D2+

D0-

VDD33

D3-A

41
42

D3+A

D2-A

D2+A

D1-A

D1+A

VDD33

D3-B

D3+B

D2-B

D2+B

D1-B

D1+B
D0-B

D0+B

GND

1B2

1B1

27
28

OB2

0B1

D0+

GND

VDD50

/EN

D2-

D3+

D3-

VDD33

GND

PERICOM

IC11

VDD33

C1144

100nF

25V

+5V_DDC

0ohm

R162

1/10W

R132

10ohm

MGND1

MGND2

+3.3V_LIVE

4.7Kohm

R1230

74320-4006

CN102

XREF

R151

22ohm

1/10W

R156

0ohm

TP_DDCD_WP

+5V_DDC_H

1Kohm

R161

1/10W

1Kohm

R131

SPEC_STRESS_1

+3.3V_LIVE

Q100
2SC2412K-Q

10Kohm

R178

C1125

100nF

25V

R145

22ohm

R143

XREF

R153

10Kohm

XREF

10ohm

R133

DDC_SCL_HDMI

D106

DDC_SCL_DVI
DDC_SDA_DVI

RX1+

RX2-

RX2+

0.6mm

DDC_SDA_DOUT

DDC_SCL_DOUT

DDC_SCL_HDMI

DVI_RXC-

DVI_RX0-

DVI_RX1-
DVI_RX2-

RXC-

RXC+

RX0-

RX0+

RX1-

DDC_SDA_DOUT

DDC_SCL_DOUT

SEL_HDMI

DDC_SDA_HDMI

DDC_SDA_DVI

HDMI_RXC-

HDMI_RX0-

HDMI_RX1-

HDMI_RX2-

DDC_SCL_DVI

HDCP_CONTROL

DDC_SDA_DVI

DDC_SCL_DVI

DDC_WP

DDC_SDA_HDMI

DDC_SCL_HDMI

CHK_HDMI

HDMI_HPD

CHK_DVI

DVI_RX1-

DVI_RX2-

DVI_RXC-

DVI_RX0-

HDMI_RX2-

HDMI_RX1-

HDMI_RX0-

HDMI_RXC-

DDC_SDA_HDMI

HDMI input

HDMI/DVI Switch

DVI input

Содержание 2493HM - SyncMaster - 24" LCD Monitor

Страница 1: ... LCD Monitor Contents 2493HM Refer to the service manual in the GSPN see the rear cover for the more information 1 Precautions 2 Product specifications 3 Disassembly and Reassemble 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram 7 Schematic Diagram ...

Страница 2: ... 1 4 1 Troubleshooting 4 1 4 2 When the Power Does Not Turn On 4 2 4 3 When a blank screen is displayed Analog 4 4 4 4 When a Blank Screen Is Displayed DIGITAL 4 7 4 5 Error Examples and Actions 4 10 4 6 Adjustment 4 11 5 Exploded View Part List 5 1 5 1 Exploded View 5 1 5 2 Parts List 5 3 6 Wiring Diagram 6 1 6 1 Wiring Diagram Main Board 6 1 6 2 Wiring Diagram Main 6 2 6 3 Wiring Diagram SMPS 6 ...

Страница 3: ...urope samsungportal com China http china samsungportal com Asia http asia samsungportal com Mideast Africa http mea samsungportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law 2007 Samsung Electronics Co Ltd All rights reserved Printed in Korea P N BN82 00292A 00 ...

Страница 4: ...handling them 3 1 Disassembly Cautions 1 Turn the monitor off before beginning the disassembly process 2 Disassemble the monitor carefully as directed in the following procedures 3 When disassembling the monitor do not use any metal tools except for the provided jig Part Description Picture Description Screws Stand 1 Place the monitor down onto a table covered by a soft cloth and remove the 4 scre...

Страница 5: ...tion Picture Description Screws Inverter Cable 3 Seperate the Inverter Cable from the SMPS ASSY CHASSIS 4 Remove the LVDS cable 5 Remove the cable from the SHIELD COVER 6 Remove the cable 7 Remove the hexagonal screws from the bottom of the Shield ...

Страница 6: ... and the Speaker Cable from the Main Board Speaker 9 Remove the four 4 screws from both sides of the speakers Decoration 10 Remove the Panel and Chassis separate the Speaker and Function wire from the Decoration and then separate the Decoration Main Board SMPS 11 Remove the 9 screws lift the board and seperate the cable ...

Страница 7: ...cription Screws Back Cover 12 Assemble the product in the reverse order of the disassembly When closing the cover close the lower side of the cover first Otherwise the product may be damaged Reassembly procedures are in the reverse order of disassembly procedures ...

Страница 8: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 LS24KIERBQ EDC Exploded View T0003 M0112 M0130 M0175 T0175 T0056 M0215 M0014 M0146 T0764 M0006 M0215 M0013 M0003 ...

Страница 9: ... COVER DECORATION LS24KIE ABS HB NATURE S 1 S N A T0175 BN96 06426A ASSY SPEAKER P 8ohm kilimanzaro 2W 4p 1w 1 S A M0215 BN07 00399A LCD PANEL LTM240CT01 1 S A T0764 BN44 00195A SMPS LCD MONITOR 245B2 DYREL AC DC 85 67 1 S A M0146 BN63 04051A SHIELD PCB SMPS 2493HM SPTE T0 3 1 S N A M0014 BN94 01549A ASSY PCB MAIN LS24KIEEFV XAA 2493HM 1 S A M0006 BN96 06454A ASSY SHIELD P COVER Kilimanzaro 24 SEC...

Страница 10: ...15mm 3m 1 S N A 3 T0069 AA63 60131A SPACER FELT SVP403J FELT BLK T0 5 5 S N A 3 M0006 BN63 04040A COVER REAR 2493HM HIPS HB BK26 1 S N A 0 1 M0216 BN90 01427E ASSY STAND LS24KI USB STAND BLK SPRAY 1 S N A 2 M0003 BN96 06600C ASSY STAND P 2493HM ABS HB BK26_SPRAY US 1 S A 3 T0081 6001 001547 SCREW MACHINE BH M4 L10 5 ZPC BLK SW 4 S A 3 M0081 6003 000275 SCREW TAPTITE BH B M3 L10 ZPC BLK S 4 S N A 3...

Страница 11: ...LS27HUB HUBBLE 27 1 S A 2 T0764 BN44 00195A SMPS LCD MONITOR 245B2 DYREL AC DC 85 67 1 S A 2 M0146 BN63 04051A SHIELD PCB SMPS 2493HM SPTE T0 3 1 S N A 2 M0014 BN94 01549A ASSY PCB MAIN LS24KIEEFV XAA 2493HM 1 S A 3 T0245 0202 001608 SOLDER WIRE FLUX LFC7 107 D0 8 99 3Sn 0 0 025 S N A 3 CN102 3701 001173 CONNECTOR DVI 24P 3R FEMALE ANGLE AUF 1 S A 3 CN101 3701 001219 CONNECTOR DSUB 15P 3R FEMALE A...

Страница 12: ...2 1 S A 4 ZD111 0403 000258 DIODE ZENER BZX84C5V6 5 2 6V 225mW SOT 2 1 S A 4 ZD500 0403 000258 DIODE ZENER BZX84C5V6 5 2 6V 225mW SOT 2 1 S A 4 D118 0403 000579 DIODE ZENER BZX84C5V1 4 8 5 4V 200mW SOT 1 S A 4 D115 0403 001411 DIODE ZENER 5 49 5 73V 200mW SOD 323 T 1 S A 4 D133 0403 001435 DIODE ZENER QZX363C5V6 5 32 5 88V 200MW 1 S A 4 D0254 0404 001020 DIODE SCHOTTKY BAT54C 30V 200mA SOT 23 T 1 ...

Страница 13: ...0 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000070 R CHIP 0ohm 5 1 10W TP 1608...

Страница 14: ...8 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 S A 4 R110 ...

Страница 15: ...110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 S A 4 R110 2007...

Страница 16: ...90 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000092 R CHIP 15Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000093 R CHIP 20Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000093 R CHIP 20Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000094 R CHIP 22Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000094 R CHIP 22Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000097 R CHIP 47Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000102 R CHIP 100Ko...

Страница 17: ... 1 S A 4 RA401 2011 000881 R NETWORK 33ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA402 2011 000881 R NETWORK 33ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA403 2011 000881 R NETWORK 33ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 RA404 2011 000881 R NETWORK 33ohm 5 1 16W L CHIP 8P TP 3 1 S A 4 C120 2203 000140 C CER CHIP 1 5nF 10 50V X7R 1608 1 S A 4 C120 2203 000140 C CER CHIP 1 5nF 10 50V X7R 1608 1 S A 4 C120 2203 00014...

Страница 18: ...CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005...

Страница 19: ...5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 1 S A 4 C120 2203 00...

Страница 20: ...8 3 10 1 S A 4 C619 2402 001273 C AL SMD 220uF 20 35V WT REEL 10X10mm 1 S A 4 T0052 2703 001334 INDUCTOR SMD 1 5uH 10 2012 1 S A 4 T0052 2703 001334 INDUCTOR SMD 1 5uH 10 2012 1 S A 4 T0052 2703 001334 INDUCTOR SMD 1 5uH 10 2012 1 S A 4 T0052 2703 001778 INDUCTOR SMD 3 3uH 20 3225 1 S A 4 T0052 2703 001778 INDUCTOR SMD 3 3uH 20 3225 1 S A 4 T0052 2703 001778 INDUCTOR SMD 3 3uH 20 3225 1 S A 4 T005...

Страница 21: ...S A 4 R110 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000211 R CHIP 1 1Kohm 5 1 10W TP 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 1608 1 S A 4 C120 2203 000888 C CER CHIP 4 7nF 10 50V X7R 1608 1 S A 4 C1...

Страница 22: ...00397C CBF INTERFACE USB SPL 07 4P 4P 2725 USB2 1 S A 2 M0254 BN96 06445E ASSY ACCESSORY CABLE MANUAL LS24KIERBQ E 1 S A 3 BH68 70448A CARD 01 TFT LCD SRC RUSSIA S W 120 W210 1 S N A 3 T0268 3903 000042 CBF POWER CORD DT EU FP3 YES IEC320 C13 1 S A 3 T0524 6902 000110 BAG PE LDPE T0 05 W250 L400 TRP 28 2 1 S N A 3 T0076 BH68 00633B MANUAL FLYER 02 WARRANTY CARD comm Samsu 1 S N A 3 BN68 00907A MAN...

Страница 23: ...5 16 5 Exploded View Part List Memo ...

Страница 24: ...onal Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 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...

Страница 25: ...trument s ground lead last 1 3 Static Electricity Precautions Some semiconductor solid state devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive Devices ESD Examples of typical ESD are integrated circuits and some field effect transistors The following techniques will reduce the incidence of component damage caused by static electrici...

Страница 26: ...to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock Keep the antenna far away from any high voltage cables and install it firmly Contact with the highvoltage cable or the antenna falling over may cause fire or electric ...

Страница 27: ...1 4 1 Precautions Memo ...

Страница 28: ... Hz 75 Hz Maximum Resolution Horizontal 1920 Pixels Vertical 1200 Pxels Input Signal PC DVI HDMI Input Sync Signal Seperate H V sync Composite automatic synchronization without external switch Level TTL level V high 2 0V V low 0 8V Maximum Pixel Clock Rate 164 MHz Active Display Horizontal Vertical 518 4 H x 324 0 V mm AC Power Voltage Frequency AC 90 264V Volts 60 50Hz Power Consumption Less than...

Страница 29: ...Response Time 5ms 5ms Input Source Analog Digital HDMI Analog Digital Magic Color O O Magic Pivot O O Magictune Premium Premium Gamma 3 Step Mode1 Mode2 Mode3 3 Step Mode1 Mode2 Mode3 MagicBright 7 steps Text Internet Game Sports Movie Dynamic CR Custom 7 steps Text Internet Game Sports Movie Dynamic CR Custom Color Tone 4 Step Cool Normal Warm Custom 4 Step Cool Normal Warm Custom ...

Страница 30: ... BH68 01387A Samsung Electronics Service center Warranty Card Not available in all locations BH68 00344C User s Guide Monitor Driver Natural Color software MagicTune software BN59 00660A D Sub 15 Pin Cable Shipped as assembled with the set BN39 00244B Power Cord 3903 000085 DVI D Cable BN39 00246F ...

Страница 31: ...2 4 2 Product specifications Memo ...

Страница 32: ... For DDC 24C02 For DDC 24C02 For DDC 24C32 EEPROM SMPS INVERTER 24V DC DC or Regulator 5V 18V 1 2V 3 3V 5V 9V LVDS Audio Out SOUND AMP TDA 7266 SPEAKER 14 318 MHz 2 5V SCALER MST97889CDL LF SCALER MST97889CDL LF PC ANALOG 180MHz L R L C D P A N E L HDMI HEAD PHONE DDR RAM 128M Serial Flash MX25L4005M DVI HDMI DVI Switch PI3HDMI1210 PC Audio Audio Video 24C02 For DDC 24C02 For DDC 24C02 For DDC 24C...

Страница 33: ...4 SDA 5 6 SCL WP 7 8 VCC 24LC02B E SN IC100 1 A0 2 A1 3 A2 D100 1 2 3 1uF C109 XREF 47nF VD C108 C754 0ohm R109 10nF 50V XREF XREF 4 7Kohm R311 1 10W TP_DDCA_SCL 1 5V_DDC_A 100ohm R113 4 1Kohm R345 3 SMAW250 04 WHT CN503 1 2 3 1 D101 1 2 5V_DDC_D 3 3V_LIVE XREF U653 C101 22pF XREF C755 10nF 50V XREF 50V 1 5nF C510 D104 1 TP_DDCA_GND 1 R511 U655 1 TP_DDCA_SDA 1 10Kohm 1 10W 75ohm R124 2 3 1 10W R71...

Страница 34: ...EF 1 2 3 4 ZD111 FT104 BZX84C5V6LT1 D133 R272 0ohm XREF 0ohm R276 XREF R1229 4 7Kohm 3 4 7Kohm R147 D107 1 2 B C 1 10W R1145 0ohm 2SC2412K Q Q103 SPEC_STRESS_1 E R149 22ohm 46 D0 A 47 48 D0 A D1 5 D1 6 7 VDD33 SEL 8 D2 9 D0 4 40 VDD33 D3 A 41 42 D3 A 43 D2 A D2 A 44 45 D1 A D1 A VDD33 D3 B 32 D3 B 33 34 D2 B D2 B 35 36 D1 B 37 D1 B D0 B 38 D0 B 39 25 GND 1B2 26 1B1 27 28 OB2 29 0B1 3 D0 GND 30 31 ...

Страница 35: ...26 GIN1M 27 RIN1P 28 RIN1M 29 BIN0M 3 GND 30 BIN0P 31 GIN0M 32 GIN0P 25 GIN1P 250 DI 14 251 DI 15 252 VDDP 253 HWRESET 254 XOUT 255 XIN 256 AVDD_MPLL 242 VDDC 243 GND 244 DI 8 245 DI 9 246 DI 10 247 DI 11 248 DI 12 249 DI 13 235 DI 2 236 DI 3 237 VDDP 238 DI 4 239 DI 5 24 SOGIN1 240 DI 6 241 DI 7 228 GPIOE 0 229 ICLK 23 BIN1M 230 IDE 231 IHSYNC 232 IVSYNC 233 DI 0 234 DI 1 220 LVB1M 221 LVB0P 222 ...

Страница 36: ...655 2 5V_M 100nF 25V XREF R621 C575 22nF 120Kohm 1 10W 22uF C560 35V 2 5V_M 100nF C662 9 VCC_1 6 15 VCC_2 100nF C661 NC_5 18 2 OUT1 OUT1_ 5 OUT2 19 16 OUT2_ PW_GND_1 1 10 PW_GND_2 PW_GND_3 11 PW_GND_4 20 13 SGND ST_BY 7 IN1 IN2_ 14 8 MUTE NC_1 3 4 NC_2 12 NC_3 17 NC_4 IC500 TDA7266D XREF XREF SPEC_STRESS_1 F601 452 003MRL LEAD FREE 16V C558 47uF 9V C580 100nF 16V 16V 100uF C550 25V 1uF C579 10V 10...

Страница 37: ... display as below Resolution 1920 x 1200 H frequency 75 kHz V frequency 60 Hz If no picture appears make sure the power cord is correctly connected Check the following circuits No raster appears Function PBA Main PBA SMPS 5V develop but no screen Main PBA 13V 5V does not develop SMPS Main PBA 1 2 3 ...

Страница 38: ... power Check the connection between the SMPS and the Main Board inside the monitor Check the power part of the Main Board and check if a similar symptom appears at another output terminal Diagnostics Main Board Front CN400 CN600 R391 Yes Check the SMPS Board No Is DC 5V measured at pin 15 of CN600 Is a POWER_EN signal measured at pin 16 of CN600 Check the POWER_EN signal of R391 of IC300 Scaler No...

Страница 39: ...4 3 4 Troubleshooting 4 2 1 Circuit Diagram and Waveform for Power Failures ...

Страница 40: ...ck the signal cables and their connections Yes Check and replace related circuits if necessary No Check if X300 is oscillating normally Check if R G and B inputs are measured at R117 R120 and R121 Check the input part No Yes Check if Hsync and Vsync are measured at R106 and R109 Check the input part No Yes Check if Hsync and Vsync are measured at pins AF12 and E12 of IC300 Check the circuit around...

Страница 41: ...4 5 4 Troubleshooting 4 3 1 Circuit diagrams and waveforms analog when a blank screen is displayed on the monitor ...

Страница 42: ...4 6 4 Troubleshooting ...

Страница 43: ...ctor of the LCD panel Diagnostics Main Board Front CN400 X300 R142 R151 Yes Check the signal cables and their connections Yes Check and replace related circuits if necessary No Check if X300 is oscillating normally Check if R G and B signals are measured at R144 R151 Check the circuit around IC300 No Yes Check if a waveform appears at R142 and R143 Check the input part No Yes Check if the output s...

Страница 44: ...4 8 4 Troubleshooting 4 4 1 Circuit diagrams and waveforms DVI when a blank screen is displayed on the monitor ...

Страница 45: ...4 9 4 Troubleshooting ...

Страница 46: ...nce Symptoms and Actions Remarks Symptom DVI signals are not recognized Cause This error occurs because the PC cannot recognize the mode information since the DVI DDC is not input to the monitor Action Input the DVI DDC On how to input DDC refer to the training manual ...

Страница 47: ...he video input 1 For the OSD Language select the language at the top 2 Press and hold the OSD Enter Source for 5 seconds 4 6 2 Firmware Download You have to complete the post operation using a MICOM Jig RS232 Jig after replacing the Main Board You can update the Micom using a MICOM Jig RS232 Jig Requirements The following devices are required for adjusting the monitor A Computer with Windows 95 98...

Страница 48: ...4 12 4 Troubleshooting Entering the Micom Code 1 Run winDDC 2 Click Load File and select the latest code in the format of hex ...

Страница 49: ...ting 3 Click Program Entering the EDID You can update the EDID DDC Analog DVI HDMI using the DDC Manager Jig Connect the devices as shown below MTI 2059 DDC Manager Signal Connector Connect to the Monitor D SUB DVI HDMI ...

Страница 50: ...To exit from the SVC Function OSD you have to turn the power off Panel Information Software Version Checksum The SVC Function OSD consists of a 103 Horizontal x 82 Vertical Grid The SVC Function OSD consists of Panel Information the Software Version and the Micom Checksum Navigating Menus 1 Press the key to move up and press the key to change the value of a selected ...

Страница 51: ... and hold the MENU key for 5 seconds The Panel Ch No increases by 1 and the Panel On Time is reset to 0 At the same time the Panel Cycle is also reset to 0 Other Functions 1 Auto Auto On Off 2 PixelShift On Off 3 Country English Korean Chinese Japanese 4 HDCP HP DVI On Off 5 HDCP HP HDMI On Off 6 HotPlug Time 5 50 Default 9 0 9sec ...

Страница 52: ...ing the EDID 1 Install the Winddc exe program onto the PC 2 Click the Winddc icon 3 Select Open 4 Select Port 1 5 Open a DDC file File Name SM2493HMA ddc Analog DDC SM2493HMD ddc Digital DDC SM2493HMH ddc HDMI DDC 6 Click Next OK ...

Страница 53: ...4 17 4 Troubleshooting 7 Enter the Monitor S N and press Enter Enter for Analog Digital and HDMI ...

Страница 54: ...4 18 4 Troubleshooting Memo ...

Страница 55: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram Main Board CN400 CN600 CN601 CN702 CN101 CN102 CN703 ...

Страница 56: ...6 2 6 Wiring Diagram 6 2 Wiring Diagram Main CN703 CN702 ...

Страница 57: ...6 3 6 Wiring Diagram 6 3 Wiring Diagram SMPS ...

Страница 58: ...6 4 6 Wiring Diagram 6 4 Wiring Diagram PANEL ...

Страница 59: ... delivers the LVDS signal from the Main Board to the Panel CN600 It provides 5V and 18V power from the SMPS to the Main Board Symptom No Power CN601 It provides PWM output from the Main Board to the SMPS Symptom No Power or Blank Screen CN500 Audio Input Port Symptom No Audio Output CN501 Audio Output Port Symptom No Audio Output for the Connected External Device 6 6 Cables Use Power Cable Power C...

Страница 60: ...6 6 6 Wiring Diagram Memo ...

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Содержание 2493HM - SyncMaster - 24" LCD Monitor

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Samsung 2493HM - SyncMaster - 24" LCD Monitor, Руководство по обслуживанию

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Содержание 2493HM - SyncMaster - 24" LCD Monitor

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