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Dell E173FP - 17" LCD Monitor Service Manual

17” lcd monitor
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DELL E173FP Service Manual

SERVICE MANUAL

17" LCD Monitor
DELL E173FP
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY
REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL;
WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF
PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
Prepared By: WuHaiyan
Checked By: Sushi
Manufacture Date: May-29-04
1

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  Summary of Contents for Dell E173FP - 17" LCD Monitor

  • Page 1: Service Manual

    DELL E173FP Service Manual SERVICE MANUAL 17” LCD Monitor DELL E173FP THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
  • Page 2: Table Of Contents

    DELL E173FP Service Manual Table of Contents Table of Contents -----------------------------------------------------------------------------------------------2 1. MONITOR SPECIFICATIONS -----------------------------------------------------------------------------4 2. LCD MONITOR DESCRIPTION -----------------------------------------------------------------------------5 3. OPERATING INSTRUCTIONS --------------------------------------------------------------------------6 3.1 GENERAL INSTRUCTIONS ----------------------------------------------------------------------------6 3.2 CONTROL BUTTONS ----------------------------------------------------------------------------------------6 3.3 ADJUSTING THE PICTURE ----------------------------------------------------------------------------7 4. Input/Output Specification--------------------------------------------------------------------------------------10 4.1 Input Signal Connector ----------------------------------------------------------------------------------------10...
  • Page 3 DELL E173FP Service Manual 7. PCB Layout ----------------------------------------------------------------------------------------------------25 7.1 Main Board --------------------------------------------------------------------------------------------------25 7.2 Inverter/Power Board --------------------------------------------------------------------------------------26 7.3 Keypad Board ----------------------------------------------------------------------------------------------------28 8. Maintainability -----------------------------------------------------------------------------------------------------29 8.1 Equipments and Tools Requirements ---------------------------------------------------------------------29 8.2 Trouble Shooting -----------------------------------------------------------------------------------------------30 8.2.1 Main Board ----------------------------------------------------------------------------------------------------30 8.2.2 Power/Inverter Board ---------------------------------------------------------------------------------------33 8.2.3 Key Pad Board ------------------------------------------------------------------------------------------------35...
  • Page 4: Monitor Specifications

    DELL E173FP Service Manual 1. MONITOR SPECIFICATIONS Driving system TFT Color LCD LCD Panel Size 43cm(17.0") Pixel pitch 0.264mm(H) x 0.264mm(V) Viewable angle 140˚ (H) 120˚ (V) Response time (typ.) 16 ms Video Analog Only Input Sync. Type H/V TTL Separate and Composite Sync.
  • Page 5: Lcd Monitor Description

    DELL E173FP Service Manual 2. LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board, an internal inverter/power board, keypad board, which house the flat panel control logic, brightness control logic and DDC. The internal Inverter/power board will drive the backlight of panel and the DC-DC conversion.
  • Page 6: Operating Instructions

    DELL E173FP Service Manual 3. OPERATING INSTRUCTIONS 3.1 GENERAL INSTRUCTIONS Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7: Adjusting The Picture

    DELL E173FP Service Manual 3.3 ADJUSTING THE PICTURE To set the OSD menu, perform the following steps: Briefly press the SELCT / MENU button to activate the OSD menu. The main menu appears on the screen with icons for the setting functions.
  • Page 8: Adjusting Size And Position

    DELL E173FP Service Manual Adjusting size and position Calling the Positioning setting window H-Position Adjusting the horizontal position With this function you move the picture to the left or to the right. V-Position Adjusting the vertical position With this function you move the picture up or down.
  • Page 9: Setting Language

    DELL E173FP Service Manual Setting the display duration of the OSD menu Hold With this function you select a value from 0 to 60 seconds. Time If the set time expires without a setting being made, the OSD menu is automatically faded out.
  • Page 10: Input/Output Specification

    DELL E173FP Service Manual 4. Input/Output Specification 4.1 Input Signal Connector 4.1.1 Analog D-SUB Connector Meaning Meaning Video input red +5 V (DDC) Video input green VGA-PG Video input blue Ground Ground DDC-Data Ground H. Sync Red video ground V. Sync...
  • Page 11: Power Supply Requirements

    DELL E173FP Service Manual 4.3 Power Supply Requirements 4.3.1 Input Requirements AC INPUT VOLTAGE: 90V ~ 264V AC INPUT FREQUENCY: 47 ~ 63 HZ AC INPUT CURRENT: 1.5A max. INRUSH CURRENT: 60A MAX AT 264VAC COLD START LEAKAGE CURRENT: 3.5 mA MAX and less then 0.25 mA at 100Vac 4.3.2 Output Requirements...
  • Page 12: Optical Characteristics

    DELL E173FP Service Manual 4.4.3 Optical Characteristics The optical characteristics are measured under stable conditions at 25℃ (Room Temperature): 4.4.4 Parameter guide line for CCFL Inverter...
  • Page 13: Block Diagram

    DELL E173FP Service Manual 5. Block Diagram 5.1 Monitor Exploded View...
  • Page 14: Software Flow Chart

    DELL E173FP Service Manual 5.2 Software Flow Chart...
  • Page 15 DELL E173FP Service Manual 1) MCU Initializes. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.
  • Page 16: Electrical Block Diagram

    DELL E173FP Service Manual 5.3 Electrical Block Diagram 5.3.1 Main Board LCD Interface LCD Panel (CN103) Scalar GmZan3-SL (Include ADC, Scalar, OSD) Win Bond W78E65 (SyncMos SM5964) (U102) (U101) H-sync, NVRAM_SDA V-sync NVRAM_SCL Control EEPROM D-Sub Interface M24C16 Connector (CN101)
  • Page 17: Power Block Diagram

    DELL E173FP Service Manual 5.3.2Power Block Diagram PWPC1742LGD1 Function test CON205 CN102 ON/OFF CON206 CCFL Vrms METER V CCFL   Model name : METER V METER V     PWPC1742LGD1 Vrms METER V   CON207 NO.715L1283-1 CON208   CCFL CCFL...
  • Page 18: Schematic

    DELL E173FP Service Manual 6. Schematic 6.1 Main Board R128   1/16W R129   1/16W PC5V CN100 FB101   1/16W R101 100 OHM C104 0.047uF RED+ gndR DAT_DDC FB102   1/16W R104 100 OHM C106 0.047uF GREEN+2 gndG FB103  ...
  • Page 19 DELL E173FP Service Manual 3.3V_DVDD 1.8V_DVDD +3.3V_VDD +1.8V_VDD 3.3V_PVDD 3.3V_DVDD 1.8V_DVDD 139m A 58.27m A 3.3V_AVDD U102 L102 C130 C131 C132 C133 C134 C135 L101 C123 C124 C125 C126 C127 C128 120 OHM 3.3V_LAVDD 3.3V_DVDD 120 OHM C129 0.1uF/16V 0.1uF/16V 0.1uF/16V...
  • Page 20 DELL E173FP Service Manual R154 RP103 LED_G Q101 LED_G 4.7K   1/16W PMBS3904 4.7K 1/16W   R155 LED_O Q102 LED_O PMBS3904 CN101 4.7K   1/16W LED_GREEN LED_ORANGE KEY _MENU ENTER R157 1/16W   KEY _MENU KEY _RIGHT To k e yboard R158  ...
  • Page 21: Panel Interface

    DELL E173FP Service Manual LVDS_O[0..9] LVDS_O0 CN103 LVDS_O1 LVDS_O2 LVDS_O3 LVDS_O0 RXO0- RXO0+ LVDS_O1 LVDS_O4 LVDS_O2 RXO1- RXO1+ LVDS_O3 LVDS_O5 LVDS_O4 RXO2- RXO2+ LVDS_O5 LVDS_O6 LVDS_O6 RXOC- RXOC+ LVDS_O7 LVDS_O7 LVDS_O8 RXO3- RXO3+ LVDS_O9 LVDS_O8 LVDS_E0 RXE0- RXE0+ LVDS_E1 LVDS_O9...
  • Page 22 DELL E173FP Service Manual CN104 BLON/OFF R162 4.7K   1/16W PBIAS DIMMING +3.3V_VDD FB105 120 OHM TO263 C163 U105 0.1uF/16V C164 AIC1084-33M 147m A CONN C162 0.1uF/16V VOUT 100uF/16V D113 NC C165 C167 C168 C166 R164 47uF/16V 0.1uF/16V 0.1uF/16V 47uF/16V  ...
  • Page 23 DELL E173FP Service Manual 6.2 Internal Power Board C0N102 ON/OFF ON/OFF R920 C920 1/2W 0.001uF/500V   33A8009-12G-H T901 D910 L903 20A/100V DB901 R906 C922 2KBP06M   1/4W R904 C905 R903 1000uF/16V C924 C930 C926   1/4W 0.0015uF/2KV 100K   R921...
  • Page 24 DELL E173FP Service Manual Q203 SI4431 OR AO4411 L201 150UH C226 CON201 F201 L205 4A/63V +12V JUMP OPEN Q202 R224 R225 R226 R227 C202 C201 C230 33L8021-2D Q201 DTA144WKA D203 C227 CON203 0.1U/25V 150U/25V 1000P/50V R212 R216 PT201 DTC144WKA 3.9K...
  • Page 25: Pcb Layout

    DELL E173FP Service Manual 7. PCB Layout 7.1 Main Board...
  • Page 26: Inverter/Power Board

    DELL E173FP Service Manual 7.2 Inverter/Power Board...
  • Page 27 DELL E173FP Service Manual...
  • Page 28: Keypad Board

    DELL E173FP Service Manual 7.3 Keypad Board 8. Maintainability 8.1 Equipments and Tools Requirement Voltage meter. Oscilloscope. Pattern Generator. DDC Tool with a IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.
  • Page 29: Trouble Shooting

    DELL E173FP Service Manual 8.2 Trouble Shooting 8.2.1 Main Board 1) No display Check Power board, is there DC level output?. Check Measured CN104 pin 5 = 5 V? U105 pin3=5V, P105 pin2=3.3V? Is there any No DC Level Measured U101 pin44=5V? shortage or cold solder or PCB trace is disconnected? Measured U105 pin 2= 3.3V?
  • Page 30 DELL E173FP Service Manual 2) PANEL-POWER CIRCUIT Check the PPWR panel power relative circuit, Check R172 should have response from 0V to 5V Q105, Q104 In normal operation, when LED =green, When we switch the power switch from on to off...
  • Page 31 DELL E173FP Service Manual 4) U102-DATA OUTPUT NG, no transition Measured U102 DVS, DHS Is the waveform ok? DCLK around 48 MHZ, DVS=60.09Hz, DHS Replace GMZan3 –SL (U102) or around 31 KHz? (Refer to input replace MAINBOARD. signal=640x480@60 Hz 31k, and LED is...
  • Page 32: Power/Inverter Board

    DELL E173FP Service Manual 8.2.2 Power/Inverter Board 1.) No power Check to CN102 Pin9 and pin10 = 5V Check Interface board Check AC line volt 120V or 220V Change F901 , check BD901,Q903,IC901 Check the voltage of C904(+) Check bridge rectified circuit cFailure point...
  • Page 33 DELL E173FP Service Manual 2.) W / LED, No Backlight Check C201 (+) Change F902 Check D201/Q209/Q210 Check ON/OFF signal Check Interface board Check U201 pin9=12V voltage of C905(+) Change Q201 or Q202 Check the pin1 of U201 have sawtooth wave Change U201 Check D201(-),D202(-) have the output of square wave at short time.
  • Page 34: Key Pad Board

    DELL E173FP Service Manual 8.2.3 Keypad Board OSD is unstable or not working Connect Keypad Board Is Keypad Board connecting normally? Replace Button Is Button Switch normally? Replace Keypad Is Keypad Board Normally? Check Main Board...
  • Page 35: White-Balance, Luminance Adjustment

    DELL E173FP Service Manual 9. White-Balance, Luminance adjustment Approximately 2 Hours should be allowed for warm up before proceeding white balance adjustment. Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 1 to 6500 K colors, MEM. Channel 3 to 9300 K colors, MEM.
  • Page 36 DELL E173FP Service Manual c. Adjust Color2 (5700 K) color-temperature Switch the chroma-7120 to RGB-mode (with press “MODE” button) Switch the MEM.channel to Channel 03 (with up or down arrow on chroma 7120) The LCD-indicator on chroma 7120 will show x = 328 ±10, y = 344 ±10, Y = 180 ±10 cd/m...
  • Page 37: Edit Content

    DELL E173FP Service Manual 10. EDIT Content D-SUB Connector (Analog) 00 01 02 03 04 05 06 07 08 09 A B C D E F 00 FF FF FF FF FF FF 00 10 AC 0B A0 43 31 30 30...
  • Page 38: Connect Isp Writer Preparation Action

    DELL E173FP Service Manual 11. ISP (In System Program) User Manual 11.1. Connect ISP Writer preparation action: Connect RXD and TXD of PC to RXD (P3.0) and TXD (P3.1) of CPU through RS-232. a. There are two ways to entering Reboot Mode. The settings for Reboot Mode is as follow:...
  • Page 39 DELL E173FP Service Manual b. Click the “Select Chip” button, and choose the type you’re going to program. Choose “W78E65” and click “OK” button...
  • Page 40 DELL E173FP Service Manual c. Click the “Select Bank0” button and selecting a file which a binary Format required. Choose bin file and open it...
  • Page 41 DELL E173FP Service Manual d. Select the communication Setting: Port Name e. Click the “ConNect” button. These buttons will be enable.
  • Page 42: Executing Isp

    DELL E173FP Service Manual f. Click “Program all” to start programming. 11.3. Executing ISP a. Click “Program All” button that will execute erase and program and verify. Then you can get the window as follow, and click “OK” to complete ISP process.
  • Page 43: Bill Of Material List

    DELL E173FP Service Manual 12. Bill Of Material List Location Part Number Description Qty. Unit CBPC780KGLDD CONVERSION BOARD 1 PCS KEPC780KED1 KEY BOARD 1 PCS PWPC1742LGD1 POWER BOARD 1 PCS 11L6036 1 SPACER SUPPORT SCC-24 1 PCS 15L8054 2 MAIN FRAME...
  • Page 44 DELL E173FP Service Manual M1L2640 10225 SCREW 4 PCS Q1L 330 8 47 SCREW 3X8mm 3 PCS 705L 780 87 DL CN901 ASS'Y 1 PCS 705L780KB34 79 BACK COVER ASS'Y 1 PCS 750LLG70E01 3 LVDS PANEL LM170E01-A5N 1 PCS 44L3231511 旧筿獁粗...
  • Page 45 DELL E173FP Service Manual Q102 57L 417 4 PMBS3904/PHILIPS-SMT(04 1 PCS Q105 57L 417 4 PMBS3904/PHILIPS-SMT(04 1 PCS Q104 57L 763 1 A03401 SOT23 BY AOS(A1) 1 PCS Q104 57L 763 1A AP2305N 0 PCS RP103 61L 125472 8 CHIP AR 8P4R 4.7K OHM+-...
  • Page 46 DELL E173FP Service Manual R122 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R123 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R127 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R133 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS...
  • Page 47 DELL E173FP Service Manual C132 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C133 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C134 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C135 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS...
  • Page 48 DELL E173FP Service Manual D104 93L 39146 LL5232B SMT 0 PCS D107 93L 39146 LL5232B SMT 0 PCS D108 93L 39146 LL5232B SMT 0 PCS D109 93L 39146 LL5232B SMT 0 PCS D111 93L 39146 LL5232B SMT 0 PCS D112...
  • Page 49 DELL E173FP Service Manual CON203 33L8021 2D E WAFER 0 PCS CON204 33L8021 2D E WAFER 0 PCS CON201 33L8021 2D AC CONN.2P R/A 87210-0236 1 PCS CON202 33L8021 2D AC CONN.2P R/A 87210-0236 1 PCS CON203 33L8021 2D AC CONN.2P R/A 87210-0236...
  • Page 50 DELL E173FP Service Manual C923 67L215C102 3K 1000UF/16V 0 PCS C904 67L215S10115H 100UF 450V 18*36 105 BY 0 PCS C904 67L215S10115K 100UF 450V 0 PCS C904 67L215S10115N 100UF+-20% 450V 1 PCS C922 67L215S102 3N EC 105 16V 1000UF KZE16 0 PCS...
  • Page 51 DELL E173FP Service Manual L902 6L 31502 1.5MM RIVET 4 PCS PT201 6L 31502 1.5MM RIVET 2 PCS PT202 6L 31502 1.5MM RIVET 2 PCS T901 6L 31502 1.5MM RIVET 4 PCS 715L1283 2 POWER BOARD 1 PCS J001 95L 90 23...
  • Page 52 DELL E173FP Service Manual R926 61L 17210252T 1K OHM 5% 1/4W 1 PCS R916 61L 17210352T CFR 10KOHM +-5% 1/4W 1 PCS R924 61L 20024252T 2.4KOHM 1% 1/4W 1 PCS R922 61L 20033352T 33KOHM 1% 1/4W 1 PCS R923 61L 20036252T 3.6KOHM 1% 1/4W...
  • Page 53 DELL E173FP Service Manual C223 67L215C1514HT LOW ESR 150UF 25V 8*7MM 1 PCS C924 67L215N4713NT EC 105 16V 470UF KZE16V 0 PCS C925 67L215N4713NT EC 105 16V 470UF KZE16V 0 PCS F901 84L 56 1 FUSE 2A 250V WICKMANN 1 PCS...
  • Page 54 DELL E173FP Service Manual R236 61L0603511 CHIPR 510 OHM+-5% 1/10W 1 PCS R237 61L0603511 CHIPR 510 OHM+-5% 1/10W 1 PCS R202 61L0603512 CHIP 5.1K OHM 1/10W 1 PCS R203 61L0603512 CHIP 5.1K OHM 1/10W 1 PCS R240 61L0603513 CHIP 51K OHM 1/10W...
  • Page 55 DELL E173FP Service Manual C219 65L0805105 22 CHIP 1UF 25V X7R 0805 1 PCS C220 65L0805105 22 CHIP 1UF 25V X7R 0805 1 PCS C208 65L0805331 32 CHIP 330PF 50V X7R 0805 1 PCS C221 65L0805474 22 CHIP 0.47UF 25V X7R 080...
  • Page 56 DELL E173FP Service Manual Q903 57L 600 35 STP8NK80ZFP 0 PCS Q903 57L 667 15 FQPF7N80 TO-220F 1 PCS 90L6064 1 HEAT SINK 1 PCS M1L1730 8128 SCREW M3x8 1 PCS -------- ------------------- -------------------------- -------- ----- PARENT NO: 705L 780 87 DL...

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