7276E / ACER [17" monitors]

• Does not store basic values for the picture geometry in every mode.
• No raster.
• OSD cannot adjust drive.
• PSU switches immediately in protective mode.
• PSU repair. Netzteilreparatur. (7276E tips)
• Picture is distorted in DOS mode (line tearing) and shifts to the right. (7276E tip from ACER)
• Picture is too dark. No OSD. No HBNK at the IC1901. (service info for ACER -7276E)
• IC201 defective.
• C326 (270pF/500V) repeatedly fails.
• Deflection output abnormal.
• No OSD. (7276E tip from ACER)
• No start up. LED lights up green.
• No picture, LED comes on for approx. 4 secs then goes off.
• OSD cannot control bias.
• Picture is shifted to the right. Horizontal tearing and no horizontal shift control. (7276E tip from ACER)
• No function in wide screen mode.
• Data to EEPROM cannot be saved.
• No function. Ticks.
• After switch on LED701 lights up for a short time. Then no function.
• Picture shifted to the right. No horizontal shift control.
• No vertical blanking.
• No function. Green LED fails after 4 secs.
• Picture size defective.
• Switches to protection mode.
• Fuse is blown, Q602 is S/C.
• R241 burned.
• Spot killer function fails.
• OSD cannot adjust contrast.
• Only a bright picture. No flyback lines. No OSD.
• OSD cannot adjust brightness.
• No function, no secondary voltage from the PSU.
• No function. PSU makes a short attempt at starting up.
• No start-up.
• One or more RGB channels are not displayed.
• E/W pincushion fault. Picture is too narrow. Knock sensitive.
• No picture. OSD OK .
• Poor picture.
• No vertical output.
• Shuts down (after start-up).
• No picture. No audio.
• Line O/P transistor S/C when switched ON.
• Blue retrace lines on picture.
• Dead. LED lit for a while and slowly goes off.
• Reduced vertical size. (ACER - 7276E information)
• Spot killer defective.
• Horizontal jitter. Vertical black stripe on the left side. (7276E ACER repair tip)
• Occasionally picture has a colour fault.
• Excessive horizontal size.
• Horizontal tearing.
• No vertical deflection.
• On the left approx 4cm picture content missing. In OSD only P1, P2 and P3 appear. No adjustment.
• Picture flickers and jitters.
• No operation. No display.
• Picture is totally blurred.
• Black screen. Power LED lit .
• Incorrect black value. Too much red, green or blue in dark part of the picture.
• Switches on for approx. 1 seconds and then switches to protective circuit.
• HV abnormal.
• Horizontal end stage fails again especially with higher resolutions.
• Frequently failing parts: 2SD5048, R241, 3A fuse, transistor Q302 is defective.
• No picture.
• No function. Green LED goes off again after switch on.
• Bright picture.
• Pincushion distortion.
• Geometric function defective.
• Starts up, runs for approx 1 second, then line drive cuts off, rest of set still runs OK. (7276E tip from ACER)
• E/W cannot be adjusted.
• Q302, C326, fuse (3A) are defective. (7276E tip from ACER)
• Lines on the left hand side of the picture edge.
• Dead.
• No horizontal drive signal.
• Switches to standby.
• R329 (10K) on the deflection plug is burnt.
• Horizontal end stage transistor fails.