7154E / ACER [15" monitors]

• Fuse F601 (3.16A) blown repeatedly.
• No raster.
• Picture shudders quickly.
• No functions.
• Flyback lines. at top.
• Incorrect width.
• Intermittently horizontal size changes.
• No brightness control. Flyback lines.
• Pincushion with sides of picture leaning inwards.
• Pincushion cannot be adjusted.
• Transistor is defective.
• Horizontal output transistor shorted.
• Poor side pincushion. (7154E ACER repair tip)
• Dead. LED is green.
• No line synchronisation.
• Marginal width and/or inadequate pincushion at max width.
• Transistor K2161 defective.
• Vertical foldover at top.
• No function, power supply cheeps. (7154E ACER repair tip)
• MOSFET Q317 defective.
• Horizontal size cannot be adjusted.
• Does not go to power save mode.
• PSU chirps and picture tears.
• Dead. On LED pulsing.
• Dark picture. intermittently.
• Picture fluctuates from normal to dark and back.
• No HV.
• No start-up.
• G1 voltage too low.
• Intermittently dead.
• Vertical black bars at top with retrace lines at bottom; when warm.
• No picture. intermittently.
• Dead. Power indicator flashes.
• No brightness.
• Starts up then hiccups.
• Black screen. No LED lit.
• Excessive horizontal size.
• No blanking.
• Picture is too small and pinched in the middle.
• Dead. Power supply ticks.
• When warm video blanks.
• Hiccups at power up.
• Repeatedly blows Q604.
• Flickering picture.
• No pincushion.
• Fcc information.
• No picture.
• Dim display. intermittently.
• Excessive EHT.
• Poor focus. Text unreadable.
• Vertical band on screen.
• Intermittently shuts down. Picture becomes dim.
• Stuck in power save-mode.
• Horizontal line.
• No start up. Power LED flashing.
• Retrace lines.
• Horizontal output transistor fails repeatedly.
• Looses settings at switch-off.
• Low contrast.
• Blinks intermittently, worse in high frequency.
• Yellow LED flashing.
• No brightness control.
• Distorted vertical lines in picture.
• No picture. after a few seconds.
• On indicator pulses, B+ to horizontal output transistor reads 4.95V.
• Hiccups when started.
• Picture quality alters or picture is distorted when adjusting the contrast.
• Pincushion distortion.
• Black/blank display. Front indicator flashes 3 times per second.
• No picture. After UG2 control is turned up, picture is disrupted. Control unit doesn't respond.
• Picture is too bright with lines and distortion when adjusting the contrast.
• Pincushion sides when width adjusted near full.
• No vertical deflection.
• Dead. No front panel LED.
• Horizontal deflection problems.
• Horizontal output transformer S/C. (ACER - 7154E information)
• No brightness. HV transformer peeps. (7154E tip from ACER)
• No horizontal deflection.
• R214 burned.
• Dead. Standby LED flashes .
• No display. All lights lit under flap.
• Q310 and D312 blown repeatedly.
• Incorrect or excessive primary colour.
• Black screen. No power supply.
• No vertical synchronisation.
• PSU switches off (with or without load).
• Shuts down. No HV.
• Unstable vertical display. (7154E tips)
• Picture width collapses to 2/3. Knock sensitive.
• No contrast. (service info for ACER -7154E)
• Poor synchronisation.
• Width marginal and/or small.
• No video. Noise on horizontal drive pulse.
• No picture. after a while.
• Trips.
• Excessive brightness. No brightness control.
• No display.
• Vertical cramping at top and retrace lines. (7154E ACER repair tip)
• Picture sides bent inwards.
• Chopper IC S/C.
• Dead. Power light flashing green.
• Q317 blown repeatedly.
• Flickers on and off after 5 minute warm-up.
• Excessive HV. (7154E tips)
• No display. intermittently.
• No picture. LED blinks .
• Keyboard is invalid.
• Bad pincushion.
• No contrast control. (7154E tips)
• E/W fault.
• Poor white balance.
• Horizontal band on screen.
• Picture width increases by approx. 3cm after approx 30 mins.
• Dark picture.
• No synchronisation. intermittently.
• No red or green or blue video signal.
• No brightness adjustment.
• PS output voltages are incorrect.
• Horizontal sync is lost when switching modes.
• Repeatedly burns ceramic capacitor C335 (220pF/2kV).
• Blanking problem.
• Poor sync. No control of functions.
• Transistor (2SK2161) blown again after a few mins. (service info for ACER -7154E)