VX8100HQ / SENTRA [Video recorder]

• Dead.
• No complete erase.
• No sound erase or record.
• No REC or ERASE. PB OK.
• No sound in the record mode and no erase.
• No E-E sound or picture inputs from line or tuner.
• Display produces random flashes and then no other functions.
• Cassette carriage will not move.
• No picture only snow or bent verticals.
• No clock display. (SENTRA - VX8100HQ information)
• Picture hum and unstable tuning. (service info for SENTRA -VX8100HQ)
• Goes off after a few secs.
• No PB colour; no RF output.
• Intermittent colour on "timer" record only.
• Cassette LED part number.
• Previous track is not being erased.
• Tuning drifts.
• Remote control fails to transmit.
• Intermittently when PLAY is selected the cassette is ejected.
• Loss of E-E picture when REC selected. E-E and PB OK.
• Does not accept tape.
• LP only.
• Mains TXFM part number.
• No E-E picture and no PB colour.
• No E-E picture and no playback colour.
• No functions.
• Dead. Possibly intermittent.
• No picture (in viewfinder).
• Sound on E-E is missing.
• No E-E picture. PB OK.
• Cosmetic Finish. (VX8100HQ SENTRA repair tip)
• Stops after 5 secs in PLAY, REW or FF then tape ejected.
• No E-E sound or vision. PB OK.
• E/E vanishes when switched to record.
• Damage to bottom edge of tape.
• No capstan phase lock.
• Parts Avalability for Remote Controls.
• No record 9V.
• When PLAY is selected appliance goes to search mode.
• Varying picture quality.
• Poor record. (snowy picture on playback and patterning, sound play of own recordings is fast.
• After the servo IC has been replaced unit in LP mode.
• No E-E with no O/P from r.f. Stages.
• After 5 secs of PB, REW or FF, appliance stops and ejects tape.
• Intermittent play and patterning on the picture.
• Popping noise on load/unload mode.
• Picture rolls.
• Blows bias oscillator cans.
• No erase.
• Power indicator not lit though switch is on; clock display lit.
• When cassette is loaded or unloaded a popping noise can be heard.
• No E-E picture, no PB colour.
• No luminance on record.
• Will not sweep tune. (VX8100HQ SENTRA repair tip)
• No PB, REW or FF.
• No E-E REC picture.
• Poor, no or low amplitude sound.
• E-E has too much contrast, on record luma is low.
• E-E has patterning.
• No REC.
• No RC functions.
• No PB, loads OK.
• No erasure old sound left on tape & floating colour blobs on own reordings.
• No tuning.
• A.G.C. overload in E-E Mode.
• Failure of 70kHz Oscillator Block L0504.
• Loop through does not function.
• Tape will not load or loads incorrectly.
• Eats tape.
• Intermittent ghosting effect on playback.
• E-E disappears when REC selected.
• Parts Availability for Remote Controls.
• No drum operation.
• No RF output. Mechanism works
• No REC, record mode symbol lit.
• Hooking over top third of screen.
• No playback, no EE, no test signal, no power-on indicator light.
• No display.
• Double image on playback.
• Not recording lum. signal.
• Creases tapes.
• Patterning on chroma after recording.
• Video Head Identification.
• No mixer booster output.
• Dead tuner - unable to tune.
• Nearly dead, just parts of display can be seen. (VX8100HQ tip from SENTRA)
• Intermittent tuning from power on for 10 sec to 2 mins, no station displayed on TV channel indicator OK.
• No video on REC.
• RF and test signal are missing. (VX8100HQ tips)
• No test signal and no supply to the modulator.
• No playback, EE or test signal.
• Varying sound levels.
• Suddenly cuts out. (VX8100HQ tips)
• Blows bias oscillator cans.
• No PB, EE and testsignal.
• Tracking not possible.
• Stops after operating for a few secs. Occurs in all modes.
• Tape will not start or stop after FF or REW.
• No audio record, no bias osc.
• Flickering picture.
• No functions, operate light on all the time.
• Colour during PLAY is missing or RF out/loop through. (VX8100HQ tips)
• Erratic clock.
• No function no display
• Lines during PB of pre-recorded tapes. (VX8100HQ tip from SENTRA)
• Tape slows down or is not taken up by spools.
• No REC at 9V.
• No drum/head rotation.
• Poor 50Hz signal at pin 10 of IC601.
• No PB picture.
• Whistle and no E-E.
• No bias.
• Intermittent tuning from power on. For 10 secs to 2 mins no station displayed on TV. Channel indicator OK (using tuner type ECU5883PLC).
• No switch on. Display flickering.
• Dead deck, power switch puts up channel display.
• Tape slows down.
• No bias.
• Power LED not lit, although channel number up and down works ok when power button selected.
• Tuning problems.
• E-E signals are missing, playback ok.
• Intermittently no E-E or PB picture.
• No PB sound.
• Blank screen during E-E. (SENTRA - VX8100HQ information)
• No full erase.
• Intermittently no playback picture. (VX8100HQ SENTRA repair tip)
• Poor rewind (VX8100HQ SENTRA repair tip)
• Tuning unstable, hum on picture.
• No sound, E-E or RC.
• PLAY inoperative.
• Noisy PB or REC.
• No REW or FF.
• No E-E picture or audio.
• Over contrast in E-E with weak luminance.
• No video signal recording.
• Patterning during record.
• Will not switch on/eject.
• Unable to tune one channel only, excessive patterning on one of channels 40, 43, 46, 50.
• Capstan Motor Types.
• No RF output.
• AGC Adjustment on Main B board using LA7323.
• No functions; no display.