Service manual

ManualsBrandsDell ManualsMonitorD1920F

DELL E173FP 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

SERVICE MANUAL

Summary of content (56 pages)

PAGE 1
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
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.
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.
PAGE 4
DELL E173FP Service Manual 1. MONITOR SPECIFICATIONS Driving system LCD Panel Input TFT Color LCD 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 Sync. Type H/V TTL Separate and Composite Sync. H-Frequency 30kHz – 80kHz V-Frequency 56-75Hz Display Colors Over 16.2 million Colors Dot Clock 135MHz Max.
PAGE 5
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. and provides the 12V DC-power to main board. Monitor Block Diagram Flat Panel and CCFT Driver.
PAGE 6
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. - The power cord should be connected. - Connect the video cable from the monitor to the video card. - Press the power button to turn on the monitor, the power indicator will light up. 3.
PAGE 7
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. The first symbol (Exit) is highlighted. Necessary, press the - or + button to mark another icon (e.g. Positioning). Press the SELECT/MENU button to select the highlighted icon. The corresponding setting window (here: Positioning) is displayed.
PAGE 8
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
DELL E173FP Service Manual OSD Hold Time Setting the display duration of the OSD menu With this function you select a value from 0 to 60 seconds. If the set time expires without a setting being made, the OSD menu is automatically faded out. OSD Setting the display of the OSD menu lock or unlock. Lock With this function you select Yes to lock OSD, NO to unlock it.
PAGE 10
DELL E173FP Service Manual 4. Input/Output Specification 1 6 2 7 3 8 4 9 5 10 4.1 Input Signal Connector 4.1.1 Analog D-SUB Connector 15 14 13 12 16 11 17 Pin Meaning Pin Meaning 1 Video input red 9 +5 V (DDC) 2 Video input green 10 VGA-PG 3 Video input blue 11 Ground 4 Ground 12 DDC-Data 5 Ground 13 H. Sync 6 Red video ground 14 V. Sync 7 Green video ground 15 DDC Clock 8 Blue video ground 4.
PAGE 11
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 ITEM MIN. TYP. MAX. UNIT Output voltage (12V) 11.4 12 12.6 V Output current (12V) 0 2.0 3.0 A Output voltage ( 5V) 4.75 5.0 5.25 V Output current (5V) 0 1.5 2.
PAGE 12
DELL E173FP Service Manual 4.4.3 Optical Characteristics The optical characteristics are measured under stable conditions at 25℃ (Room Temperature): 4.4.
PAGE 13
DELL E173FP Service Manual 5. Block Diagram 5.
PAGE 14
DELL E173FP Service Manual 5.
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. 9) Save the power key status into EEprom. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light.
PAGE 16
DELL E173FP Service Manual 5.3 Electrical Block Diagram 5.3.
PAGE 17
DELL E173FP Service Manual 5.3.2Power Block Diagram PWPC1742LGD1 Function test 1 CON205 CN102 2 R8 CCFL 1 1 2 3 4 5 6 7 8 9 10 11 12 CON206 2 R6 R9 CCFL 10 R7 10 M4 Vrms METER V Vrms METER V 1 CON207 DIM 12V 5V GND M2 GND Model name : PWPC1742LGD1 M3 ON/OFF R2 5 V R1 METER V 100 PCB NO.
PAGE 18
DELL E173FP Service Manual 6. Schematic 100 1/16W R129 100 1/16W 2 TXD 2 R108 1/16W FB101 22 1/16W R101 100 OHM C104 0.047uF FB102 22 1/16W R104 100 OHM C106 0.047uF FB103 22 1/16W R105 100 OHM C108 0.047uF C109 C110 C111 NC NC NC R109 100 1/16W R110 100 1/16W R111 100 1/16W 3 D106 BAV99 VGA_CON 0 1/16W R119 R120 100 100 D112 MLL5232B 5.
PAGE 19
DELL E173FP Service Manual +1.8V_VDD C126 C127 L102 120 OHM C128 C129 22uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V C131 C132 C133 C134 U102 C135 3.3V_LAVDD 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V Clos e to re s pe ctive pow e r Pins GND Clos e to re s pe ctive pow e r Pins GND 3.3V_AVDD C130 + 69 79 89 3.3V_AVDD 1.8V_AVDD 83.4m A L103 120 OHM C136 22uF/16V 1.8V_AVDD C137 + 84 82 42.2m A C138 Clos e to re s pe ctive pow e r Pins 0.
PAGE 20
DELL E173FP Service Manual 8 7 6 5 +5V 2 LED_G 1 2 3 4 2 LED_O Q101 PMBS3904 1/16W Q102 PMBS3904 1/16W CN101 2 4.7K 4.7K 1 2 R155 LED_O 1 R154 LED_G 3 RP103 4.7K 1/16W 3 +5V +5V LED_ORANGE 2 KEY _MENU 2 KEY _RIGHT 2 KEY _LEFT 2 KEY _ONOFF KEY _MENU KEY _RIGHT KEY _LEFT KEY _ONOFF R157 R158 R159 R160 C154 C156 C155 0.001uF0.001uF 0.001uF GND GND GND ENTER RIGHT LEFT POWER 220 1/16W 220 1/16W 220 1/16W 220 1/16W C157 0.001uF GND LED_GREEN GND C152 0.
PAGE 21
DELL E173FP Service Manual LVDS_O[0..9] LVDS_O0 LVDS_O1 LVDS_O2 LVDS_O3 LVDS_O4 LVDS_O5 LVDS_O6 LVDS_O7 LVDS_O8 LVDS_O9 2 CN103 LVDS_O0 LVDS_O2 LVDS_O4 LVDS_O6 LVDS_O8 LVDS_E0 LVDS_E2 LVDS_E4 LVDS_E6 LVDS_E8 RXO0RXO1RXO2RXOCRXO3RXE0RXE1RXE2RXECRXE3- 1 3 5 7 9 11 13 15 17 19 21 23 LVDS_E[0..
PAGE 22
DELL E173FP Service Manual CN104 1 2 3 4 5 6 BLON/OFF DIMMING R162 4.7K 1/16W 2 PBIAS +5V +3.3V_VDD FB105 120 OHM TO263 C163 0.1uF/16V GND CONN + C162 100uF/16V +5V U105 AIC1084-33M 3 VIN VOUT C164 0.1uF/16V GND D113 NC R164 1K 1/16W + C165 47uF/16V Brightness 147m A ADJ + C168 0.1uF/16V 0.1uF/16V GND BRIGHTNESS 1K 1 C167 2 C166 47uF/16V GND R165 2 +5V GND GND GND GND 1/16W C169 2.2uF + GND +VLCD +5V R168 4.7K 1/16W R167 NC U106 3 Q104 AO3401 1 + 0.
PAGE 23
DELL E173FP Service Manual 6.2 Internal Power Board C0N102 GND GND 5V 5V GND GND 12V 12V DIM GND ON/OFF GND 12 11 10 9 8 7 6 5 4 3 2 1 5V 12V DIM ON/OFF GND R920 47 1/2W C920 0.001uF/500V T901 33A8009-12G-H D910 4 1 O + DB901 2KBP06M 1 R906 1M 1/4W 3 + C904 120uF/400V R904 1M 1/4W C905 0.0015uF/2KV R903 100K - R905 1M 1/4W R921 47 1/2W 2W O 7,8 7,8 1 C907 0.1uF 4 C906 22uF + D902 PS102R R908 5.1 1/4W 4O C930 1000P/50V C926 0.
PAGE 24
DELL E173FP Service Manual Q203 SI4431 OR AO4411 TP1 L201 150UH L205 +12V 1 2 3 4 JUMP Q202 C202 Q201 + C201 DTA144WKA 0.1U/25V 150U/25V C230 1000P/50V DTC144WKA R212 3.9K R224 R225 1K 1K 2 6 L206 JUMP 3.9K R208 4.7K 3 1 7 80AL15T-7-YS R222 15K 1 R232 1K D205 RLS4148 L203 2 1 D209 RLS4148 4 3 73L174-30-YS 2SC5706 C209 4.7U/16V R205 68K C205 2 1 Q210 R218 470 1 HVL OPEN 33L8021-2D R214 Q207 SST3906 CON203 TP3 9 TP4 HVL 0.
PAGE 25
DELL E173FP Service Manual 7. PCB Layout 7.
PAGE 26
DELL E173FP Service Manual 7.
PAGE 27
DELL E173FP Service Manual 27
PAGE 28
DELL E173FP Service Manual 7.3 Keypad Board 8. Maintainability 8.1 Equipments and Tools Requirement ¾ Voltage meter. ¾ Oscilloscope. ¾ Pattern Generator. ¾ DDC Tool with a IBM Compatible Computer. ¾ Alignment Tool. ¾ LCD Color Analyzer. ¾ Service Manual. ¾ User Manual.
PAGE 29
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? No DC Level Is there any Measured U101 pin44=5V? shortage or cold solder or PCB trace is disconnected? Measured U105 pin 2= 3.3V? Check Correspondent component Yes.
PAGE 30
DELL E173FP Service Manual 2) PANEL-POWER CIRCUIT Check the PPWR panel power relative circuit, NG 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 R172 should =5 v, If PPWR no-response when the power switch Turn on and turn off, replace the U102(GMZan3-SL) OK, R172 have response NG, no Check U202 pin 4, 16, 28=3.
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.
PAGE 32
DELL E173FP Service Manual 8.2.2 Power/Inverter Board 1.
PAGE 33
DELL E173FP Service Manual 2.) W / LED, No Backlight Check C201 (+) Change F902 NG Check D201/Q209/Q210 or OK Check ON/OFF signal NG Check Interface board Check U201 pin9=12V voltage of C905(+) NG Change Q201 or Q202 OK Check the pin1 of U201 have sawtooth wave NG Change U201 OK Check D201(-),D202(-) have the output of square wave at short time.
PAGE 34
DELL E173FP Service Manual 8.2.
PAGE 35
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 65000K colors, MEM. Channel 3 to 93000K colors, MEM.
PAGE 36
DELL E173FP Service Manual c. Adjust Color2 (57000K) color-temperature 17 Switch the chroma-7120 to RGB-mode (with press “MODE” button) 18 Switch the MEM.
PAGE 37
DELL E173FP Service Manual 10.
PAGE 38
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： ☆Both P2.6、P2.7 are LOW and RESET pin is HI. ☆P4.3 is LOW and RESET pin is HI . 11.2. To Use ISP WRITER Press the “–“ key at front bezel and plug the AC power cord in, then the MCU enter ISP mode; a.
PAGE 39
DELL E173FP Service Manual b. Click the “Select Chip” button, and choose the type you’re going to program.
PAGE 40
DELL E173FP Service Manual c. Click the “Select Bank0” button and selecting a file which a binary Format required.
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
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. b. Complete the ISP process, click “eXit LD” button to reset monitor.
PAGE 43
DELL E173FP Service Manual 12. Bill Of Material List Location Part Number Description Qty.
PAGE 44
DELL E173FP Service Manual -------- M1L2640 10225 SCREW 4 PCS Q1L 330 SCREW 3X8mm 3 PCS 705L 780 87 DL CN901 ASS'Y 1 PCS 705L780KB34 79 BACK COVER ASS'Y 1 PCS 750LLG70E01 LVDS PANEL LM170E01-A5N 1 PCS 44L3231511 旧筿獁粗 2 PCS 44L3231512 旧筿獁粗 3 PCS 3 ------------------- -------------------------- -------- ----- PARENT NO: -------- 8 47 CBPC780KGLDD CONVERSION BOARD ------------------- -------------------------- -------- ----AIC780KSLDD MAIN BOARD 1 PCS CN101 33L3802 8H WAFER 8P
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 CHIP AR 8P4R 4.
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 R134 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R135 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R143 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R144 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R147 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R148 61L0603472 CHIPR 4.
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 C137 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C138 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C139 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C141 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C142 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C144 65L0603104 12 0.
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 93L 39146 LL5232B SMT 0 PCS D102 93L 39149 MLL5232B BY FULL POWER 1 PCS D103 93L 39149 MLL5232B BY FULL POWER 1 PCS D104 93L 39149 MLL5232B BY FULL POWER 1 PCS D107 93L 39149 MLL5232B BY FULL POWER 1 PCS D108 93L 39149 MLL5232B BY FULL POWER 1 PCS D109 93L
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 1 PCS CON204 33L8021 2D AC CONN.
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 C923 67L215S102 3N EC 105 16V 1000UF KZE16 0 PCS 71L A 1 PCS 55 2 FERRITE BEAD 6.5*5*1.7 L902 73L 174 26 LS COMMON CHOKE 0 PCS L902 73L 174 26 T1 LINE LILTER 0.
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.
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.
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 FUSE 2A 250V WICKMANN 1 PCS -------- ------------------- -------------------------- -------- ----- PARENT NO: 56 1 PW1742LGD1SMT POWER BOARD -------- ------------------- -------------------------- -------- ----- U201 56L 608 1 TL1451ACD 1 PCS U201 56L 622 1 BA9741F-SMT 0 PCS Q205 57L 417 4
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.
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 1 PCS C222 65L0805474 22 CHIP 0.
PAGE 56
DELL E173FP Service Manual Q903 57L 600 35 STP8NK80ZFP 0 PCS Q903 57L 667 15 FQPF7N80 1 PCS 90L6064 1 HEAT SINK 1 PCS M1L1730 8128 SCREW M3x8 1 PCS -------PARENT NO: -------- -------PARENT NO: -------- TO-220F ------------------- -------------------------- -------- ----705L 780 87 DL CN901 ASS'Y ------------------- -------------------------- -------- ----87L 501 14 RF AC SOCKET 1 PCS 95L 900 42 HARNESS 1 PCS 95L8021 2508 WIRE HARNESS 1 PCS 96L 6 SHRINK TUBE UL/CSA 3 PCS 2