D1025HT / DELL [17" monitors]

• Picture is blurred in the middle and displaced.
• LED turns green at switch on and flashes orange colours after a few secs.
• Takes 15 minutes for a picture to appear.
• Horizontal foldover.
• No display on upper half of screen.
• No red.
• Switches off after approx. 1-2 mins. Can be switched on again after as short pause.
• Dim picture.
• Reduced vertical deflection.
• A key appears on the screen if brightness and contrast are pressed. Convergence is not ok.
• No line output stage. Appliance wants to start, LED turns orange.
• Dim picture. Brightens after a while.
• Load electrolytic C610 (390uF) is defective. Appliance does not start via Q604. No LED.
• No start-up.
• Dead.
• Picture is very dark, sometimes twitches. On a darkened space, interference pulses can be made out on the picture.
• Vertical deflection defective.
• Repeatedly blows Q513.
• D615 becomes warm.
• LED does not light up. Does not start via Q604.
• Just whistling sound on start-up. No function. (D1025HT DELL repair tip)
• Light stripes (bright and dark, like codified Premiere Analog).
• No E/W correction. (D1025HT tip from DELL)
• Q507 and Q520 are S/C. (DELL - D1025HT information)
• Main fuse fails without obvious reason.
• Picture becomes more and more dark.
• Mains fuses explode.
• No picture. Switches to standby. (service info for DELL -D1025HT)
• Pincushion distortion. at top.
• Part of upper half of picture (approx. 4cm) is wavy.
• Q512, Q515 and Q516 becomes hot. (service info for DELL -D1025HT)