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Samsung SyncMaster 800TFT, Руководство по обслуживанию

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Samsung SyncMaster 800TFT Скачать руководство пользователя страница 18

5 Troubleshooting

5-4

SyncMaster 800TFT

Replace IC404.

Yes

No

There is video but no OSD.

5-3 No OSD 

While pushing a front control

button does any pulse appear 

at Pin 12 of IC404?

WAVEFORMS

Does input signal appear 

at the Pins 2, 5 and 

10 of IC404?

Check IC405 and related circuit.

Check IC404 and related circuit.

Yes

No

11 12 13

11

CH1 RMS = 4.18V

13

CH1 RMS = 3.26V

12

CH1 RMS = 3.26V

Содержание SyncMaster 800TFT

Страница 1: ...anual SERVICE COLOR MONITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Alignments Adjustments 5 Troubleshooting 6 Exploded View Parts List 7 Electrical Parts List 8 Block Diagram 9 Wiring Diagram 10 Schematic Diagrams ...

Страница 2: ...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 screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC ou...

Страница 3: ...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 4: ...n Green 0 25 V Maximum Pixel Clock rate 135 MHz Active Display 359 3 mm Horizontal Vertical 287 2 3 mm AC power voltage Frequency AC 90 to 264 Volts 60 50 Hz 3 Hz Power Consumption 54 W max 48W norminal Dimensions Unit W x D x H 17 7 x 18 2 x 7 2 Inches 449 4 x 461 2 x 182 mm Carton W x D x H 22 4 x 11 6 x 22 8 Inches 570 x 295 x 580 mm Weight Net Gross 8 3 kg 18 28 lbs 11 8 kg 20 0 lbs Environmen...

Страница 5: ...ND G GND B No Connection Self Raster GND Bi Dr Data SDA H Sync V Sync DDC Clock SCL Red Green Blue GND DDC Return GND GND R GND G GND B No Connection Self Raster GND Bi Dr Data SDA H V Sync Not Used DDC Clock SCL Red Green H V Sync Blue GND DDC Return GND GND R GND G GND B No Connection Self Raster GND Bi Dr Data SDA Not Used Not Used DDC Clock SCL 13W3 A1 A2 A3 4 4 A1 GND A2 GND A3 GND 3 8 10 4 6...

Страница 6: ...8 60 023 16 660 1 219 2 235 13 003 0 203 75 029 13 328 0 050 0 466 12 795 0 017 78 750 Positive Positive Separate 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 fH kHz A µsec B µsec C µsec D µsec E µsec fV Hz O msec P msec Q msec R msec S msec Clock Freq MHz Polarity H Sync V Sync Remark IBM 640 75 Hz 640 x 480 640 85 Hz 640 x 480 80...

Страница 7: ...2 Product Specifications 2 4 SyncMaster 800TFT Memo ...

Страница 8: ...er PCB and CN103 connector on the Main PCB 10 Carefully lift the Main PCB Assembly and Inverter PCB and place them on a flat level surface that is protected from static electricity 11 Remove 10 screws on the PCB Bracket 12 Remove the Bracket Assembly from the Front Cover 13 Remove the 2 screws on the Function PCB from the Front Cover and remove the Function PCB and Function Knob SyncMaster 800TFT ...

Страница 9: ...Memo 3 Disassembly and Reassembly 3 2 SyncMaster 800TFT ...

Страница 10: ...r with Windows 95 Windows 98 or Windows NT DV18AS exe software DDC Control JIG 4 2 Using the DDC Control JIG After replacing the LCD Panel Lamp s and or AD Board use the DDC Control JIG to complete your service Attach the DDC Control JIG to the flat panel display FPD as shown in the diagrams below MONITOR INTERFACE BOARD VER 2 0 PC SIGNAL GENERATOR 3 WIRE CABLE SIGNAL CABLE 5V DC ADAPTOR PARALLEL ...

Страница 11: ...Red max value Shows the red video signal max value Green max value Shows the green video signal max value Blue max value Shows the blue video signal max value Red min value Shows the red video signal min value Green min value Shows the green video signal min value Blue min value Shows the blue video signal min value Color Automatical screen contrast setting Auto Adjustment Red gain control Adjusts...

Страница 12: ...lay 4 If you want to check each color value click the button from to and from to 4 2 3 c When Replacing the Panel 1 Select the Read Buffer button to gather the current information about this monitor 2 Increment the number by clicking on the button on the Panel row in the Change No column If they were not already 00 the numbers for the Upper and Lower Lamps will automatically change to 00 3 Check a...

Страница 13: ...r Lamp s without changing the Panel highlight the appropriate row s then push and hold in for 5 seconds both the Left and Right arrow buttons on the front panel This action increments the Change No value s Note Increment the Lamp value s only if one or both of them were replaced but the Lamp was not replaced 3 After incrementing the appropriate values power off the monitor 4 Alignments and Adjustm...

Страница 14: ...4 Alignments and Adjustments SyncMaster 800TFT 4 5 ...

Страница 15: ... develop but no screen Main PCB 12V does not develop Main PCB 4 If you push and hold the EXIT button for more than 5 seconds the monitor automatically reverts back to the factory preset 5 1 No Power Does proper DC 12 V appear at DC jack connected to CN101 Check Power Adaptor Yes No Does proper DC 5 V appear at Pin 4 of IC101 Check IC101 and related circuit Check Q103 Q105 and Q106 Yes No Does prop...

Страница 16: ...of IC 206 V SYNC H V SYNC Yes No Check the related circuit for these ports No Check IC501 and related circuit No Check IC501 and related circuit No Check IC 300 and related circuit No Does the input signal appear at the Pins 40 41 of IC 300 PLL H V MX PDEN Yes During power on off does the input signal appear at the Pin 29 30 of IC300 AD SDA AD SCL Do the clock and sync signal appear at Pin 115 117...

Страница 17: ...oubleshooting SyncMaster 800TFT 5 3 WAVEFORMS 4 CH1 RMS 2 20V 5 CH1 RMS 4 96V 6 CH1 RMS 4 42V 8 CH1 RMS 3 24V 9 CH1 RMS 2 50V 2 CH1 RMS 3 25V 3 CH1 RMS 3 12V 7 CH1 RMS 3 20V 10 CH1 RMS 960mV 1 CH1 RMS 3 26V ...

Страница 18: ... 5 3 No OSD While pushing a front control button does any pulse appear at Pin 12 of IC404 WAVEFORMS Does input signal appear at the Pins 2 5 and 10 of IC404 Check IC405 and related circuit Check IC404 and related circuit Yes No 11 12 13 11 CH1 RMS 4 18V 13 CH1 RMS 3 26V 12 CH1 RMS 3 26V ...

Страница 19: ...SyncMaster 800TFT 6 1 6 Exploded View and Parts List ...

Страница 20: ...6 Exploded View Parts List 6 2 SyncMaster 800TFT ...

Страница 21: ...6 Exploded View Parts List SyncMaster 800TFT 6 3 ...

Страница 22: ...6 Exploded View Parts List 6 4 SyncMaster 800TFT Memo ...

Страница 23: ...TP 1608 C129 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C130 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C131 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C132 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C133 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C134 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C135 2402 001044 C AL SMD 100uF 20 25V TP 8 3x8 3x6...

Страница 24: ...nF 10 16V X7R TP 1608 C301 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C302 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C303 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C304 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C305 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C306 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C307 2203 005005 C CERAMIC CHIP 100n...

Страница 25: ...nF 10 16V X7R TP 1608 C410 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C411 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C412 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C413 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C414 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C415 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C416 2203 005005 C CERAMIC CHIP 100n...

Страница 26: ...CERAMIC CHIP 100nF 10 16V X7R TP 1608 C460 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C461 2203 000280 C CERAMIC CHIP 0 01nF 0 5pF 50V NP0 TP 1608 C501 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C502 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C503 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C504 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C506 2203 000626 C C...

Страница 27: ...HIP 1nF 5 50V NP0 TP 2012 C641 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C642 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 CA300 2503 001018 C NETWORK 15PFX4 10 50V CA301 2503 001018 C NETWORK 15PFX4 10 50V CA302 2503 001018 C NETWORK 15PFX4 10 50V CA303 2503 001018 C NETWORK 15PFX4 10 50V CA304 2503 001018 C NETWORK 15PFX4 10 50V CA305 2503 001018 C NETWORK 15PFX4 10 50V CA306 25...

Страница 28: ...BZX84C5V1 5 1V 5 200mW SOT 23 FT101 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT102 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT103 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT108 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT109 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT110 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm FT111 3301 001145 CORE FERRITE BEAD AB 4 5x1 6x1 6mm...

Страница 29: ...TTL 74F132 TRIGGER SOP 14P 150MIL IC205 0803 000106 IC TTL 74F132 TRIGGER SOP 14P 150MIL IC206 0803 000122 IC TTL 74F125 BUFFER SOP 14P 150MIL Q IC207 0801 002171 IC CMOS LOGIC 74LCX125 BUS BUFFER SOP 14P 15 IC208 0803 000117 IC TTL 74F14 INVERTER SOP 14P 150MIL IC209 0801 002404 IC CMOS LOGIC 74VHC4066 ANALOG SWITCH SOP 14 IC300 1002 001171 IC A D CONVERTER AD9884 8BIT QFP 128P 1 2LSB TR CMOS PLA...

Страница 30: ...NDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L203 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L204 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L205 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L206 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L207 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L401 2703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X2 2MM L402 2703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X...

Страница 31: ...100ohm 5 1 16W DA TP 1608 R238 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R240 2007 000118 R CHIP 390ohm 5 1 16W DA TP 1608 R241 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R242 2007 000118 R CHIP 390ohm 5 1 16W DA TP 1608 R247 2007 000118 R CHIP 390ohm 5 1 16W DA TP 1608 R249 2007 000118 R CHIP 390ohm 5 1 16W DA TP 1608 R250 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R255 2007 000074 R CHIP 100o...

Страница 32: ...IP 100ohm 5 1 16W DA TP 1608 R418 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R419 2007 000071 R CHIP 22ohm 5 1 16W DA TP 1608 R421 2007 000109 R CHIP 1Mohm 5 1 16W DA TP 1608 R422 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R427 2007 000071 R CHIP 22ohm 5 1 16W DA TP 1608 R430 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R501 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R502 2007 000074 R CHIP 10...

Страница 33: ...CHIP 15Kohm 5 1 16W DA TP 1608 R542 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R543 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R544 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R545 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R546 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R547 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R548 2007 000109 R CHIP 1Mohm 5 1 16W DA TP 1608 R549 2007 000075 R C...

Страница 34: ...ohm 5 1 16W DA TP 1608 RA301 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA302 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA303 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA304 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA305 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA306 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA307 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP...

Страница 35: ...2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP U5 2703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X2 2MM U6 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 U7 2901 001114 FILTER EMI SMD 25VDC 2 0ADC 100nF 3 2x1 6x1 U8 1204 001551 IC VIDEO SYSTEM GS1881 SOIC 8P 150MIL PLASTIC 13 2V 0TO 70C TP VIDEO SYNC SEPARATOR X401 2801 003667 CRYSTAL SMD 14 3182MHZ 50PPM 28 AAN 16 50OHM TP X501 2801 003326 CRYSTA...

Страница 36: ... OSD Control OSD Signal R G B DC_DC DC 12V dVsync H Sync SOG V H DC 5V R_digital G_digital B_digital R_digital G_digital B_digital H_sync V_sync Data Enable Dot CLK LVDS signal R G B TFT LCD Panel I C 2 MUX DCLK dHsync DC 12V Adapter SDRAM IC401 IC402 IC403 DC 3 3V I C 2 I C 2 User Control X tal 24Mhz X tal 14 3 Mhz Micro Control Unit LVDS IC600 IC601 ...

Страница 37: ...8 Block Diagrams 8 2 SyncMaster 800TFT Memo ...

Страница 38: ...V_SYNC 15 DDC_CLK GND NC CN202 1 2 3 4 5 6 7 8 9 10 DDC_CLK NC DDC_CLK GND H_SYNC NC NC SELF_TEST A1 A2 A3 DDC_DATA V_SYNC 1 2 3 4 5 6 KEY1 LED_G KEY2 LED_R GND KEY 5V 6 KEY 5V 7 8 9 5V GND 13W3_LED CN102 CN2 1 2 3 IN12V GND IN12V CN101 INVERTER MAIN PCB FUNC PCB Signal Cable 13W3 CABLE 10 D_SUB_LED 1 2 3 4 5 6 KEY1 LED_G KEY2 LED_R GND KEY 5V 6 KEY 5V 7 8 9 5V GND 13W3_LED 10 D_SUB_LED RED R_GND ...

Страница 39: ...9 Wiring Diagram 9 2 SyncMaster 800TFT Memo ...

Страница 40: ...10 1 SyncMaster 800TFT 10 Schematic Diagrams 10 1 Signal input Part Schematic Diagram 5 6 5 CH1 RMS 4 96V 6 CH1 RMS 4 42V ...

Страница 41: ...matic Diagrams SyncMaster 800TFT 10 2 10 2 Scaler Chip Part Schematic Diagram 11 12 13 2 3 1 4 4 CH1 RMS 2 20V 2 CH1 RMS 3 25V 3 CH1 RMS 3 12V 1 CH1 RMS 3 26V 11 CH1 RMS 4 18V 13 CH1 RMS 3 26V 12 CH1 RMS 3 26V ...

Страница 42: ...10 Schematic Diagrams 10 3 SyncMaster 800TFT 10 3 Power input Part LCD panel interface part Schematic Diagram ...

Страница 43: ...10 Schematic Diagrams SyncMaster 800TFT 10 4 10 4 Micom Part Schematic Diagram ...

Страница 44: ...10 Schematic Diagrams 10 5 SyncMaster 800TFT 8 7 9 10 10 5 A D converter Part Schematic Diagram 8 CH1 RMS 3 24V 7 CH1 RMS 3 20V 10 CH1 RMS 3 24V 9 CH1 RMS 3 20V ...

Страница 45: ...Samsung Electronics Co Ltd May 2000 Printed in Korea P N BN68 00049R 01 ...

Страница 46: ...SyncMaster 800TFT 6 1 6 Exploded View and Parts List ...

Страница 47: ...6 Exploded View Parts List 6 2 SyncMaster 800TFT ...

Страница 48: ...6 Exploded View Parts List SyncMaster 800TFT 6 3 ...

Страница 49: ...6 Exploded View Parts List 6 4 SyncMaster 800TFT Memo ...

Страница 50: ...10 1 SyncMaster 800TFT 10 Schematic Diagrams 10 1 Signal input Part Schematic Diagram 5 6 5 CH1 RMS 4 96V 6 CH1 RMS 4 42V ...

Страница 51: ...matic Diagrams SyncMaster 800TFT 10 2 10 2 Scaler Chip Part Schematic Diagram 11 12 13 2 3 1 4 4 CH1 RMS 2 20V 2 CH1 RMS 3 25V 3 CH1 RMS 3 12V 1 CH1 RMS 3 26V 11 CH1 RMS 4 18V 13 CH1 RMS 3 26V 12 CH1 RMS 3 26V ...

Страница 52: ...10 Schematic Diagrams 10 3 SyncMaster 800TFT 10 3 Power input Part LCD panel interface part Schematic Diagram ...

Страница 53: ...10 Schematic Diagrams SyncMaster 800TFT 10 4 10 4 Micom Part Schematic Diagram ...

Страница 54: ...10 Schematic Diagrams 10 5 SyncMaster 800TFT 8 7 9 10 10 5 A D converter Part Schematic Diagram 8 CH1 RMS 3 24V 7 CH1 RMS 3 20V 10 CH1 RMS 3 24V 9 CH1 RMS 3 20V ...

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