DELL E152FPc SERVICE MANUAL 15” LCD MONITOR DELL E152FPc 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. MANUFACTURE DATA: MAR.
DELL E152FPc Table of Contents TABLE OF CONTENTS............................................................................................................... 2 1. MONITOR SPECIFICATIONS ................................................................................................. 4 2. LCD MONITOR DESCRIPTION .............................................................................................. 5 3. OPERATING INSTRUCTIONS .........................................................................
DELL E152FPc Revision List Revision Date Revision History A00 Mar-20-2005 Initial Release A01 April-25-2006 Add” Max Brightness measurement” on Page36 3 TPV model
DELL E152FPc 1. MONITOR SPECIFICATIONS Driving system TFT Color LCD Size 38.1mm(15.0") Pixel pitch 0.297mm(H) x 0.297mm(V) Viewable angle 120˚ (H) 100˚ (V) Response time (typ.) 25 ms Video Analog Only Sync. Type H/V TTL Separate and Composite Sync. H-Frequency 30kHz – 63kHz V-Frequency 56-76Hz Flat Panel Input Display Colors Over 16.2 million Colors Dot Clock 80MHz Max.
DELL E152FPc 2. LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board, an internal PWPC board, keypad board, which house the flat panel control logic, brightness control logic and DDC.The internal PWPC board will drive the backlight of panel and the DC-DC conversion. and provides the 5V DC-power to main board. Monitor Block Diagram Flat Panel and CCFL Drive.
DELL E152FPc 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.
DELL E152FPc 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. The first symbol (Exit) is highlighted.
DELL E152FPc Adjusting the brightness and contrast Calling the Brightness / Contrast setting window using Brightness button. Brightness Setting the brightness of the display With this function you change the brightness of the background lighting. Contrast Setting the contrast of the display With this function you modify the contrast of bright colour tones.
DELL E152FPc Vertical Setting the vertical position of the OSD menu Position With this function you move the OSD menu up or down. OSD Setting the display duration of the OSD menu, the default value is 20s; Hold Time 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.
DELL E152FPc 4. INPUT/OUTPUT SPECIFICATION 4.1 INPUT SIGNAL CONNECTOR 15-pin D-sub connector PIN NO. DESCRIPTION PI N NO. DESCRIPTION 1. Red 9. +5V 2. Green 10. Detect Cable 3. Blue 11. Ground 4. Ground 12. DDC-Serial Data 5. Ground 13. H-Sync 6. R-Ground 14. V-Sync 7. G-Ground 15. DDC-Serial Clock 8. B-Ground VGA Connector layout 1 5 6 10 11 15 4.
DELL E152FPc 4.3 POWER SUPPLY REQUIREMENTS 4.3.1 INPUT REQUIREMENTS AC INPUT VOLTAGE: 100V ~ 240V AC INPUT FREQUENCY: 50 ~ 60 HZ AC INPUT CURRENT: 1.5A MAX INRUSH CURRENT: 50A MAX AT 220V LEAKAGE CURRENT: 3.5 mA Max. 4.3.2 OUTPUT REQUIREMENTS ITEM MIN. TYP. MAX. UNIT Output voltage (12V) 11.4 12 12.6 V Output current (12V) 0 1.5 2.0 A Output voltage ( 5V) 4.75 5.0 5.25 V Output current (5V) 0 1.5 2.0 A Ripple & Noise (12V) 200 mV Ripple & Noise (5V) 100 mV 4.
DELL E152FPc 4.4.
DELL E152FPc 4.4.
DELL E152FPc 5. BLOCK DIAGRAM 5.
DELL E152FPc 5.
DELL E152FPc 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.
DELL E152FPc 5.
DELL E152FPc 6. SCHEMATIC 6.1 MAIN BOARD +5V 1 2 +5V VGA_5V D100 BAT54C 3 DDC_5V C101 0.1uF/16V VGA_5V C104 0.1uF/16V D101 BAV99 ZD101 LL5232B 5.
DELL E152FPc +3.3V 3.3V_DVDD +1.8V 0.1uF/16V 3.3V_AVDD U200 0.1uF/16V C219 10uF/16V 0.1uF/16V C209 + 0.1uF/16V C200 FB203 120 OHM 0.1uF/16V C223 8/22 del C218 for DIP C220 C216 22uF/16V 0.1uF/16V C222 + 0.1uF/16V C221 0.1uF/16V C217 FB202 120 OHM 87 91 96 100 109 1.8V_AVDD GND 106 104 GND AVDD_BLUE_3.3 AVDD_GREEN_3.3 AVDD_RED_3.3 AVDD_ADC_3.3 AVDD_RPLL_3.3 20 35 49 81 114 3.3V_AVDD CVDD_1.8 CVDD_1.8 CVDD_1.8 CVDD_1.8 CVDD_1.8 GND 1.8V_AVDD 1.8V_DVDD 22 41 61 75 112 3.
DELL E152FPc R310 4.7K 1/16W LED-GREEN +5V RP301 1/16W 3 Q302 PMBS3904 R311 1 4.7K 1/16W LED-ORANGE 2 Q301 PMBS3904 1 4 3 2 1 4.7K +5V 2 5 6 7 8 R301 4.7K 3 1/16W +5V 8 7 6 5 4 3 2 1 5 6 7 8 5 1/16W 100 6 R304 7 1/16W 8 7 6 5 8 KEY_AUTO KEY_MANU KEY_RIGHT KEY_LEFT KEY_ON/OFF RP300 100 1 2 3 4 CN301 GRNLED ORGLED AUTO ENTER RIGHT LEFT POWER CP301 CP300 0.001uF GND 4 3 2 1 4 3 2 1 0.001uF GND LCD_+3.3V PANEL_PWR 2 Q300 AO3401 3 R306 1/16W C300 0.
DELL E152FPc CN400 1pin = 1A BLON/OFF BRIGHTNESS 1 2 3 4 5 6 BLON/OFF BRIGHTNESS +5V BLON/OFF C408 2.2uF/16V C403 0.1uF/16V + C402 BKLT_EN R400 4.7K R403 NC + 1/16W 47uF/16V GND GND GND GND GND +5V +3.3V LCD_+3.3V FB402 TO252/TO263 U402 NC Two types D401 AIC1084-33M 3 VIN VOUT SR24 C417 C404 NC 47uF/16V 1 + ADJ ノ 120 OHM +5V 2 FB401 C409 + C410 R404 C406 0.1uF/16V 1K 1/16W 0.1uF/16V 100uF/16V GND BRIGHTNESS BKLT_PWM GND C411 2.2uF/16V R405 1K 1/16W + +1.
DELL E152FPc 6.2 PWPC BOARD Q203 SI4431 OR AO4411 TP1 L201 150UH L205 1 2 3 4 JUMP Q202 C202 + C201 Q201 8 7 6 5 150U/25V R212 3.9K 1000P PT201 0.18U/160V 2 6 2SC5706 Q207 SST3906 3.9K R208 4.7K 1 7 80AL15T-7-YS R222 15K 1 2 R232 1K D205 RLS4148 1 Q210 R218 470 L203 2 4 3 1 D209 C209 4.7U/16V R205 68K C205 HVL 33L8021-2D R214 L206 JUMP CON203 TP3 9 TP4 OPEN HVL 1 3,4 1 3 Q205 SST3904 R210 12K 5 C213 Q209 R220 12K D201 SMAL240 OR SR24 0.1U/25V R202 5.
DELL E152FPc 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 33A8009-12G-H C920 0.001uF/500V T901 D910 4 1 O + DB901 2KBP06M 1 R906 1M 1/4W 3 + R904 1M 1/4W C905 0.0015uF/2KV R903 100K 9 L903 + C922 1000uF/16V 2W R921 47 1/2W C904 120uF/400V 12V 20A/100V + C924 470uF/16V C930 1000P O 7,8 ZD904 SML4736 D901 - R907 1M 1/4W R905 1M 1/4W 0.001uF/500V UF4007 L904 7,8 3 5 L902 73L-174-26-T 1 + C907 0.
DELL E152FPc 7. PCB LAYOUT 7.
DELL E152FPc 26
DELL E152FPc 7.
DELL E152FPc 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.
DELL E152FPc 8.2 TROUBLE SHOOTING 8.2.1 MAIN BOARD 1.NO SCREEN APPEAR Check Power board, is there DC level output? Check Correspondent component. Measured U402 pin 3 = 5 V? No DC Level Measured U402 pin 2= 3.3V? Is there any shortage or cold solder? Measured U401pin 2 =1.8V? Check Power Board. Yes, all DC level exist Disconnected the Signal cable (Loose the Yes.
DELL E152FPc 2.PANEL-POWER CIRCUIT NG Check FB401 should have response from 0V to 3.3V Check the PPWR panel power relative circuit, Q300, Q303 In normal operation, when LED =green, When we switch the power switch from on to off R308 should =0 v, If PPWR no-response when the power switch Turn on and turn off, replace the U200-GMZan3 OK, FB401 have response NG, no Voltage Check U202 pin 74,77,80=3.3V Measured the Q300 pin 2= 3.3 V? Yes OK Replace Q300 ( N-mos, AO3401) OK 3.
DELL E152FPc 4.U200-DATA OUTPUT Measured DVS, DHS (pin 8,9 from U200) Is the waveform ok? DCLK around 48 MHZ, DVS=60.09Hz, DHS around 31 KHz? (Refer to input NG, no transition signal=640x480@60 Hz 31k, and LED is Green) Replace GMZan3 (U200) or replace MAINBOARD.
DELL E152FPc 8.2.2 PWPC BOARD 1.
DELL E152FPc 2.) W / LED, No Backlight Check C201 (+) =12V NG Change F201 Check D201/Q206/Q207 OK Check ON/OFF signal NG Check Interface board OK Check U201 pin9=12V NG Change Q201 or Q202 OK Check the pin1 of U201 have saw tooth wave NG Change U201 OK Check D201 (-) have the output of square wave at short time.
DELL E152FPc 8.2.
DELL E152FPc 9.WHITE-BALANCE, LUMINANCE ADJUSTMENT Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 3 to 65000K colors, MEM. Channel 4 to 93000K colors, MEM. Channel 9 to 57000K (our 9300 parameter is x = 283 ±28, y = 297 ±28, Y = 175±20 cd/m2, 6500 parameter is x = 313 ±28, y = 329 ±28, Y = 180 ±20 cd/m2, and 5700 parameter is x = 328 ±28, y = 344 ±28, Y = 180 ±20 cd/m2) How to setting MEM.
DELL E152FPc Max Brightness measurement: a. Switch to the full white pattern, in user mode main menu: 1. Set Red, Green, and Blue to the max. 2. Set Brightness, Contrast to the max. b. The Minimum brightness is 200cd/m2 ±20. 10.
DELL E152FPc 11.
DELL E152FPc M1L1030 10128 SCREW P 4 PCS M1L1430 6128 SCREW M3X6 P 8 PCS Q1L 330 8120 SCREW 3X8mm P 3 PCS 705L 560 87 02 CN901 ASS'Y X 1 PCS 750LLS50 XH SEC 15" PANEL(XH-L01) P 1 PCS AIC560KCLDL MAIN BOARD M 1 PCS 40L 457624 1B CPU LABEL P 1 PCS 40L 45762412B CBPC LABEL P 1 PCS C201 67L309V100 3 10uf =_20% 16v P 1 PCS C210 67L309V220 3 22UF +-20% 16V P 1 PCS C216 67L305S220 3H 22UF 16V MINI TYPE P 1 PCS C219 67L309V100 3 10uf =_20% 16v P 1 PCS
DELL E152FPc C205 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C206 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C207 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C208 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C209 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C211 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C212 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C213 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C214 65L0603104 12 0.
DELL E152FPc FB203 71L 56K121 M CHIP BEAD P 1 PCS FB401 71L 56K121 M CHIP BEAD P 1 PCS Q101 57G 759 2 RK7002 P 1 PCS Q102 57G 759 2 RK7002 P 1 PCS Q300 57L 763 1 A03401 SOT23 BY AOS(A1) P 1 PCS Q301 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS Q302 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS Q303 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS R101 61L0603101 CHIPR 100 OHM +-5% 1/10 P 1 PCS R102 61L0603750 9F 75OHM 1% 1/10W P 1 PCS R103 61L0603101 CHIPR 100
DELL E152FPc R207 61L0603101 CHIPR 100 OHM +-5% 1/10 P 1 PCS R208 61L0603101 CHIPR 100 OHM +-5% 1/10 P 1 PCS R210 61L0603101 CHIPR 100 OHM +-5% 1/10 P 1 PCS R212 61L0603472 CHIPR 4.7K OHM +-5% 1/1 P 1 PCS R213 61L0603472 CHIPR 4.7K OHM +-5% 1/1 P 1 PCS R214 61L0603472 CHIPR 4.
DELL E152FPc ZD101 93G 39147 TZMC5V6 P 1 PCS ZD102 93G 39147 TZMC5V6 P 1 PCS ZD103 93G 39147 TZMC5V6 P 1 PCS ZD104 93G 39147 TZMC5V6 P 1 PCS ZD105 93G 39147 TZMC5V6 P 1 PCS ZD106 93G 39147 TZMC5V6 P 1 PCS ZD107 93G 39147 TZMC5V6 P 1 PCS 715L1153 1A PCB P 1 PCS CN101 95G8014 8 6 HARNESS 28CM P 1 PCS DP101 81L 12 1A GP LED P 1 PCS R101 61L 60210152T 100OHM +- 5% 1/6W P 1 PCS SW101 77L 600 4 HJ TACT SWITCH TSPE-1 P 1 PCS SW102 77L 600 4 HJ
DELL E152FPc CON102 95G8014 6 19 WIRE HARNESS P 1 PCS CON205 33L8021 2D AC CONN.2P R/A 87210-0236 P 1 PCS CON206 33L8021 2D AC CONN.2P R/A 87210-0236 P 1 PCS CON207 33L8021 2D AC CONN.2P R/A 87210-0236 P 1 PCS CON208 33L8021 2D AC CONN.
DELL E152FPc C908 65L0805104 32 CHIP 0.1UF 50V X7R P 1 PCS C909 65L0805104 32 CHIP 0.1UF 50V X7R P 1 PCS C910 65L0805102 32 CHIP 1000P 50VX7R 0805 P 1 PCS C926 65L0805104 32 CHIP 0.1UF 50V X7R P 1 PCS C927 65L0805104 32 CHIP 0.
DELL E152FPc R235 61L0603621 CHIPR 620 OHM+-5% 1/10W P 1 PCS R236 61L0603511 CHIPR 510 OHM+-5% 1/10W P 1 PCS R237 61L0603511 CHIPR 510 OHM+-5% 1/10W P 1 PCS R238 61L0603123 CHIP 12K OHM 1/10W P 1 PCS R239 61L0603123 CHIP 12K OHM 1/10W P 1 PCS R240 61L0603513 CHIP 51K OHM 1/10W P 1 PCS R241 61L0603513 CHIP 51K OHM 1/10W P 1 PCS R901 61L1206105 CHIP 1MOHM 5% 1/4W P 1 PCS R902 61L1206105 CHIP 1MOHM 5% 1/4W P 1 PCS R908 61L1206519 CHIPR 5.
DELL E152FPc D903 93L 64 1152T 1N4148 P 1 PCS F901 84G 56 1 FUSE 2A 250V WICKMANN P 1 PCS FB901 71L 55 29 FERRITE BEAD P 1 PCS IC903 56L 158 4 T H431BA P 1 PCS L902 6G 31502 1.5MM RIVET P 4 PCS PT201 6G 31502 1.5MM RIVET P 2 PCS PT202 6G 31502 1.
DELL E152FPc 90L6064 1 HEAT SINK P 1 PCS M1L1730 8128 SCREW M3x8 P 2 PCS D910 93G 60245 SP10150 P 1 PCS D911 93G 60217 FMB-29L P 1 PCS 96L 29 6 SHRINK TUBE UL/CSA P 1 PCS 61L 2J39858H 0.390OHM 5% 2W P 1 PCS 96L 29 6 SHRINK TUBE UL/CSA P 1 PCS 61L152M10458F 100K OHM 5% 2W P 1 PCS PW1542SED1QSMT POWER BOARD FOR SMT M 1 PCS 40L 45762420A ID LABEL P 1 PCS FERRITE BEAD 6.5*5*1.
DELL E152FPc L203 73L 174 30YSA FILTER P 1 PCS L204 73L 174 30YSA FILTER P 1 PCS L902 73L 174 26 T1 LINE LILTER 0.
DELL E152FPc F201 61L1206000 4 0 OHM 4A 1/4W P 1 PCS Q201 57G 760 5B PDTC144WK SOT346 P 1 PCS Q202 57G 760 4B PDTA144WK SOT346 P 1 PCS Q203 57L 763 3 AO4411 SO-8 BY AOS SMT P 1 PCS Q204 57L 763 3 AO4411 SO-8 BY AOS SMT P 1 PCS Q205 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS Q206 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS Q207 57G 417 6 PMBS3906/PHILIPS-SMT(06 P 1 PCS Q208 57G 417 6 PMBS3906/PHILIPS-SMT(06 P 1 PCS R202 61L0603512 CHIP 5.
DELL E152FPc R908 61L1206519 CHIPR 5.1OHM +-5% 1/4W P 1 PCS R909 61L1206472 CHIP 4.7KOHM 5% 1/4W P 1 PCS R910 61L1206472 CHIP 4.7KOHM 5% 1/4W P 1 PCS R911 61L1206472 CHIP 4.
DELL E152FPc R201 61L 60230352T 30KOHM 5% 1/6W P 1 PCS R224 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R225 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R226 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R227 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R228 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R229 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R230 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R231 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R232 61L 17210252T 1K OHM 5% 1/4W P 1 PCS R233 61L 17210252T
DELL E152FPc 95G 900 42 WIRE HARNESS P 1 PCS 95L8021 2504 WIRE HARNESS P 1 PCS 96L 29 6 SHRINK TUBE UL/CSA P 3 PCS 15G5942 1 B BASE BRACKET P 1 PCS 20L 008 1 BRACKET RISER P 1 PCS 34L1230 Y2 T VESA COVER P 1 PCS 34L1231 Y2 T RISER FRONT P 1 PCS 34L1232 Y2 T RISER REAR P 1 PCS 34L1233 Y2 2T BASE P 1 PCS 37L 483 1 HINGE P 1 PCS M1L 130 6125 SCREW P 1 PCS M1L 130 8125 SCREW P 2 PCS M1L 140 8 47 SRCEW P 4 PCS Q1L 130 6 47 SCREW P 1 PCS Q1L 33
DELL E152FPc 12.DEFINITION OF PIXEL DEFECTS 12.
DELL E152FPc 12.2 ELECTRICAL INSPECTION Definitions/ Notes: - A bright dot any Red, Green, or Blue pixel sucks in the “On” mode. - A dark dot any Red, Green, or Blue pixel sucks in the “Off ” mode. - Inspection pattern for electrical defect should be pure R, G, B, and Black and White.
DELL E152FPc Fig. 1. Bright dot defect description (two adjacent) * Adjacent two dots in horizontal direction will be considered as one dot Fig. 2.
DELL E152FPc Fig. 3. Minimum distance between dot defects bright dot - to - bright dot dark dot - to - dark dot * Adjacent two dots in horizontal direction will be considered as one dot. * A minimum distance criterion is applied for dots defect only. * Will be not considered the distance between dot & mechanical defect. * Will be not considered the distance between bright dot & dark dot. * A dot which is over the half (50%) of pixel size will be considered as one bright dot.
