Service Manual
Page 5
and provides the 12V DC-power to main board. Monitor Block Diagram CCFT Driver. Flat Panel and CCFL backlight Inverter/Power Board AC Power IN Main Board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 5 The internal Inverter/power board will contain a main board, an internal inverter/power board, keypad board, which house the flat panel control logic, brightness control logic and DDC. 2. LCD MONITOR DESCRIPTION DELL E173FP Service Manual The LCD MONITOR will drive the backlight of panel and the DC-DC conversion.
and provides the 12V DC-power to main board. Monitor Block Diagram CCFT Driver. Flat Panel and CCFL backlight Inverter/Power Board AC Power IN Main Board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 5 The internal Inverter/power board will contain a main board, an internal inverter/power board, keypad board, which house the flat panel control logic, brightness control logic and DDC. 2. LCD MONITOR DESCRIPTION DELL E173FP Service Manual The LCD MONITOR will drive the backlight of panel and the DC-DC conversion.
Service Manual
Page 33
NG Check Q205/Q207/Q203/D201 or OK Q206/Q208/Q204/D202 Check the resonant wave of pin2 & pin5 for PT201/PT202 Check the output of square wave at short time. 2.) W / LED, No Backlight DELL E173FP Service Manual Check C201 (+) OK Check ON/OFF signal NG Change F902 Check D201/Q209/Q210 or 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 NG Check Q209/Q210/C213 or Q211/Q212/C214 NG Change PT201or PT202 Check connector & lamp 33
NG Check Q205/Q207/Q203/D201 or OK Q206/Q208/Q204/D202 Check the resonant wave of pin2 & pin5 for PT201/PT202 Check the output of square wave at short time. 2.) W / LED, No Backlight DELL E173FP Service Manual Check C201 (+) OK Check ON/OFF signal NG Change F902 Check D201/Q209/Q210 or 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 NG Check Q209/Q210/C213 or Q211/Q212/C214 NG Change PT201or PT202 Check connector & lamp 33
User Guide
Page 9
...x 1024 at 75 Hz TFT LCD Diagonal 17 inches (432.0 mm) Horizontal 13...56 Hz to Contents Page Specifications: Dell™ E173FP Flat Panel Color Monitor User's Guide General • ...Flat Panel • Resolution • Preset Display Modes • Electrical • Physical Characteristics • Environmental • Power Management Modes • Pin Assignments • Plug and Play Capability General Model number E173FP Flat Panel Screen type Screen dimensions Pixel pitch Viewing angle Luminance output Contrast ratio LCD surface coating Backlight...
...x 1024 at 75 Hz TFT LCD Diagonal 17 inches (432.0 mm) Horizontal 13...56 Hz to Contents Page Specifications: Dell™ E173FP Flat Panel Color Monitor User's Guide General • ...Flat Panel • Resolution • Preset Display Modes • Electrical • Physical Characteristics • Environmental • Power Management Modes • Pin Assignments • Plug and Play Capability General Model number E173FP Flat Panel Screen type Screen dimensions Pixel pitch Viewing angle Luminance output Contrast ratio LCD surface coating Backlight...