Dell D1920F Manuel de service

DELL E173FP Service Manual 1 17” LCD Monitor DELL E173FP THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFO

DELL E173FP Service Manual 10 4. Input/Output Specification 4.1 Input Signal Connector 4.1.1 Analog D-SUB Connector 16273849511121314151017 16 Pi

DELL E173FP Service Manual 11 4.3 Power Supply Requirements 4.3.1 Input Requirements AC INPUT VOLTAGE: 90V ~ 264V AC INPUT FREQUENCY: 47 ~ 63 H

DELL E173FP Service Manual 12 4.4.3 Optical Characteristics The optical characteristics are measured under stable conditions at 25℃ (Room Temperat

DELL E173FP Service Manual 13 5. Block Diagram 5.1 Monitor Exploded View

DELL E173FP Service Manual 14 5.2 Software Flow Chart 12NY5YN10YN12YN7YN64389141113YN15YN16 1719YN18

DELL E173FP Service Manual 15 1) MCU Initializes. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brig

DELL E173FP Service Manual 16 5.3 Electrical Block Diagram 5.3.1 Main Board

DELL E173FP Service Manual 17 5.3.2Power Block Diagram R8CCFLVrmsM5METER VNote 1: M3 / M4/M5/M6 need to use two channel multimeter , such asFLUKE

DELL E173FP Service Manual 18 6. Schematic 6.1 Main Board R114 47 1/16W　C109NCCLK_DDCGNDGNDHSYNC 2GNDgndGD102MLL5232B 5.6VC114 0.047uFHSIGNDR120

DELL E173FP Service Manual 19 3.3V_LAVDDR124-RESETFUNCT IONRDnR1334.7K 1/16W　83.4m ALVDS_E8/WPR139 100 1/16W　L106120 OHM1.8V_DVDDGNDLED_G 3R140

DELL E173FP Service Manual 2 Table of Contents Table of Contents ------------------------------------------------------------------------------

DELL E173FP Service Manual 20 C1530.001uFKEY_LEFTGNDLED_ORANGEKEY_ONOFFC1520.001uFLEFTLED_O2+5VGNDR1554.7K 1/16W　LED_GKEY_ONOFF2C1560.001uFCN101C

DELL E173FP Service Manual 21 LVDS_E5GNDLVDS_E1LVDS_O2RXO2+RXOC-RXO3-15.4mALVDS_E2LVDS_E4LVDS_O5LVDS_O6LVDS_E9LVDS_O8RXEC-FOR LAYOUT 100uF/16VLVDS

DELL E173FP Service Manual 22 GNDAO3401R1641K 1/16W　GNDU1063 21VI VOGND2CN104CONN123456GNDR170NC+3. 3V_VDD1GND0.8A-m axR162 4.7K 1/16W　+5V+5VD+C

DELL E173FP Service Manual 23 6.2 Internal Power Board R9021M 1/4W　R9261K 1/4W　C9020.001uF/250VR92047 1/2W　GNDZD902HZ12B25VC9100.001uFON/OFFC93

DELL E173FP Service Manual 24 D208RLS4148R21012KQ2102SC570612 3is signal GNDCON20333L8021-2D12F2014A/63VCON20233L8021-2D12PT20180AL15T-7-YS5 93,4

DELL E173FP Service Manual 25 7. PCB Layout 7.1 Main Board

DELL E173FP Service Manual 26 7.2 Inverter/Power Board

DELL E173FP Service Manual 27

DELL E173FP Service Manual 28 7.3 Keypad Board 8. Maintainability 8.1 Equipments and Tools Requirement ¾ Voltage meter. ¾ Oscilloscope.

DELL E173FP Service Manual 29 8.2 Trouble Shooting 8.2.1 Main Board 1) No display Note: 1. If Replace “MAIN-BO

DELL E173FP Service Manual 3 7. PCB Layout ----------------------------------------------------------------------------------------------------2

DELL E173FP Service Manual 30 2) PANEL-POWER CIRCUIT 3) INVERTER CONTROL RELATIVE CIRCUIT Check R172 shoul

DELL E173FP Service Manual 31 4) U102-DATA OUTPUT OK OK Measured U102 DVS, DHS Is the waveform ok? D

DELL E173FP Service Manual 32 8.2.2 Power/Inverter Board 1.) No power Check to CN102 Pin9 and pin10 =

DELL E173FP Service Manual 33 2.) W / LED, No Backlight Check C201 (+) NGOK Change F902 Check D201/Q209/Q210 o

DELL E173FP Service Manual 34 8.2.3 Keypad Board OSD is unstable or not working Is Keypad Board connecting normally? Connect Keypad Board Is

DELL E173FP Service Manual 35 9. White-Balance, Luminance adjustment Approximately 2 Hours should be allowed for warm up before proceeding white b

DELL E173FP Service Manual 36 c. Adjust Color2 (57000K) color-temperature 17 Switch the chroma-7120 to RGB-mode (with press “MODE” button) 18 S

DELL E173FP Service Manual 37 10. EDIT Content D-SUB Connector (Analog) 00 01 02 03 04 05 06 07 08 09 A B C D E F 0: 00 FF FF FF

DELL E173FP Service Manual 38 11. ISP (In System Program) User Manual 11.1. Connect ISP Writer preparation action： Connect RXD and TXD of PC to RX

DELL E173FP Service Manual 39 b. Click the “Select Chip” button, and choose the type you’re going to program. Choose “W78E65” a

DELL E173FP Service Manual 4 1. MONITOR SPECIFICATIONS Driving system TFT Color LCD LCD Panel Size 43cm(17.0") Pixel pitch 0.26

DELL E173FP Service Manual 40 c. Click the “Select Bank0” button and selecting a file which a binary Format required. Choose

DELL E173FP Service Manual 41 d. Select the communication Setting: Port Name e. Click the “ConNect” button. These buttons will be enable.

DELL E173FP Service Manual 42 f. Click “Program all” to start programming. 11.3. Executing ISP a. Click “Program All” button that will exec

DELL E173FP Service Manual 43 12. Bill Of Material List Location Part Number Description Qty. Unit CBPC780KGLDD CONVERSION BOARD 1 PCS

DELL E173FP Service Manual 44 M1L2640 10225 SCREW 4 PCS Q1L 330 8 47 SCREW 3X8mm 3 PCS 705L 780 87 DL CN901 ASS'Y 1 PCS

DELL E173FP Service Manual 45 Q102 57L 417 4 PMBS3904/PHILIPS-SMT(04 1 PCS Q105 57L 417 4 PMBS3904/PHILIPS-SMT(04 1 PCS Q104 57L 763 1

DELL E173FP Service Manual 46 R122 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R123 61L0603472 CHIPR 4.7K OHM +-5% 1/1 1 PCS R127 61L0603472

DELL E173FP Service Manual 47 C132 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C133 65L0603104 12 0.1UF +-10% 16V X7R 1 PCS C134 65L0603104 12

DELL E173FP Service Manual 48 D104 93L 39146 LL5232B SMT 0 PCS D107 93L 39146 LL5232B SMT 0 PCS D108 93L 39146 LL5232B SMT 0 PCS D109

DELL E173FP Service Manual 49 CON203 33L8021 2D E WAFER 0 PCS CON204 33L8021 2D E WAFER 0 PCS CON201 33L8021 2D AC CONN.2P R/A 87210-023

DELL E173FP Service Manual 5 2. LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board, an internal inverter/power board, keypad boar

DELL E173FP Service Manual 50 C923 67L215C102 3K 1000UF/16V 0 PCS C904 67L215S10115H 100UF 450V 18*36 105 BY 0 PCS C904 67L215S10115K 100U

DELL E173FP Service Manual 51 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

DELL E173FP Service Manual 52 R926 61L 17210252T 1K OHM 5% 1/4W 1 PCS R916 61L 17210352T CFR 10KOHM +-5% 1/4W 1 PCS R924 61L 20024252T 2.4

DELL E173FP Service Manual 53 C223 67L215C1514HT LOW ESR 150UF 25V 8*7MM 1 PCS C924 67L215N4713NT EC 105 16V 470UF KZE16V 0 PCS C925 67L215

DELL E173FP Service Manual 54 R236 61L0603511 CHIPR 510 OHM+-5% 1/10W 1 PCS R237 61L0603511 CHIPR 510 OHM+-5% 1/10W 1 PCS R202 61L0603512

DELL E173FP Service Manual 55 C219 65L0805105 22 CHIP 1UF 25V X7R 0805 1 PCS C220 65L0805105 22 CHIP 1UF 25V X7R 0805 1 PCS C208 65L0805331

DELL E173FP Service Manual 56 Q903 57L 600 35 STP8NK80ZFP 0 PCS Q903 57L 667 15 FQPF7N80 TO-220F 1 PCS 90L6064 1 HEAT SINK 1 PCS

DELL E173FP Service Manual 6 3. OPERATING INSTRUCTIONS 3.1 GENERAL INSTRUCTIONS Press the power button to turn the monitor on or off. The other co

DELL E173FP Service Manual 7 3.3 ADJUSTING THE PICTURE To set the OSD menu, perform the following steps: Briefly press the SELCT / MENU button to

DELL E173FP Service Manual 8 Adjusting size and position Calling the Positioning setting window H-Position Adjusting the horizontal position Wi

DELL E173FP Service Manual 9 OSD Hold Time Setting the display duration of the OSD menu With this function you select a value from 0 to 60 second