7618951 RTV550EV / BLAUPUNKT [Video recorder - VHS HiFi]

• Head drum moves back and forth but does not come up to speed.
• Mechanism regularly locking.
• Attempts to load cassette carriage then power down.
• Double deck mechanism doesn't function.
• No tape ejection. Error F04.
• No cylinder motor rotation. intermittently. (picture attached)
• Snow on PB of own recordings. PB of pre-recorded tapes OK.
• Bouncing picture. via RF output. OK via SCART .
• Reverse picture search has no function.
• Does not accept tape (intermittently).
• Does not load up, the EJECTS. Accepts tape OK.
• Loading arm gets stuck, or retracts incorrectly.
• Clock slows by approx. 1 sec. each day. The specification is +/- 15 sec a month. (+ extract of circuit diagram)
• Strong interference noise during PB (crackle).
• Artificial NTSC AFC free run adjustment.
• Tape being chewed at bottom edge in playback mode.
• No FF.
• Bias current adjustment.
• Switches off with slight rumble when switching from REW or FF to PB. After restart and PB, appliance works OK. Timed recording switches off occasionally. Brief colour drop-outs. When knocking on the appliance, colour appears again. (7618951 BLAUPUNKT repair tip)
• Poor playback and picture search.
• To check loading and unloading operation via "SERVICE INFORMATION DISPLAY".
• Switches to standby when attempting to load tape. (with circuit diagram extract)
• How to move UHF output channel frequency.
• Timer reference clock adjustment.
• SERVICE mode remains visible for about 1 minute in Blaupunkt RTV550 videos with new servo processor (IC6001) MN67434 VRSG/VRSH.
• No eject, PB, FF, REW operations with tape inside. Does not recognise tape.
• Loading and Eject are incorrect when hot.
• Cassette eject is stuck or does not function at all.
• Spare part information: head drum and video head drum.
• After a time powers down in protection mode when STOP or REW is selected. (7618951 BLAUPUNKT repair tip)
• No mechanical control.
• To initiate channel memory IC.
• Does not pull cassette in or sometimes shows different error messages.
• Runs as though in CUE mode.
• Does not accept tape. Switches off by itself.
• Tape is damaged.
• Will load tape but will not lace up, then ejects tape. (+ extract of circuit diagram)
• No RF reception. No sound in PB.
• Test picture appears when PB selected. Poor characters on clock display. (7618951 BLAUPUNKT repair tip)
• No recording. Always runs in play mode.
• At very rare and errqatic intervals fails to record the picture. In PB snow all over screen with sound continuing normally. (extract of circuit diagram attached)
• Faulty drive control or malfunction during edit or timer recordings are intermittently not carried out.
• Chews and rejects tape continually immediately after plugging in.
• Switches intermittently ro standby during rewind or forward wind.
• Stops during PB. after a few seconds.
• Occasionally no EJECT, especially after REW to the start. Noises which indicate a drive blockage. (7618951 tip from BLAUPUNKT)
• Tapes are chewed and playback wows and flutters.
• Tuning drifts.
• Snow in picture. in PB.
• Access to stored fault codes.
• No audio. intermittently. Unstable picture. (7618951 tip from BLAUPUNKT)
• Intermittently slows down and stops. (+ extract of circuit diagram)
• Tuning drift on one or all channels. (extract of circuit diagram attached) (BLAUPUNKT - 7618951 information)
• Stops or makes noise on FF; squeaks on PB; or wows.
• Cassette no ejected one out of 20 times.
• Tape pulled tight during PB.
• Fails to go in REW with certain prerecorded tapes when reaches the end of tape.
• Picture sways horizontally.
• Tape damaged at lower edge.
• Appears to function in CUE mode. (picture attached) (7618951 tip from BLAUPUNKT)
• No output from modulator.
• Loading problems and strange noises.
• Tape loops after reverse picture search.
• Sometimes tape hangs out of the cassette. After Stop or Eject and sometimes also in PB.
• Tape only taken in half way, then ejected. F6 displayed.
• Toothed wheels heard clicking approx every fifth time cassette is inserted. Compartment goes down. Functions ok after ejecting and reinserting cassette.
• Capstan speed varies continually and FF races.
• Vertical marks on tape.
• Cassette compartment lowers after inserting tape, then lifts again.
• Tape crunches under pinch roller.
• Slow REW of some (prerecorded) tapes. If tape is first forwarded to end of tape, REW is OK. (service info for BLAUPUNKT -7618951)
• Mechanical problems.
• Tracking adjustment in Reverse Slow mode.
• Tuning drifts. when cold (intermittently).
• Accepts cassette, laces up, unlaces and then error H01 appears in display.
• No E-E or PB sound from modulator; OK at AV connector. (picture attached)
• Loads tape then ejects immediately. (part of circuit diagram displayed)
• Black horizontal lines in tuner mode. No error in PB.
• No servo lock when FF selected. Intermittently no take up reel rotation then powers down. Tape loading and capstan rotation OK.
• Slack tape on EJECT.
• Error codes.
• Tape is not stabilised during reverse picture search. It becomes loose then tight again and so on. Thereby strong noise zones in picture and sync fails. (7618951 BLAUPUNKT repair tip)
• Refuses to accept tape or spits it straight out.
• Second and third display digits/combination and their meaning.
• Doesn't thread in completely. Inserted tape is not unthreaded. (service info for BLAUPUNKT -7618951)
• Hum bars every 3 secs. Sync error. (extract of circuit diagram attached)
• Y-NR balance adjustment.
• No tuning. (with circuit diagram extract) (BLAUPUNKT - 7618951 information)
• Difficult tape loading at start up.
• Rewinds tapes very slowly.
• Eats tape.
• Does not fully lace up.
• Abnormal operation or no operation of the VCR mechanism. (picture attached)
• Cassette goes down, laces up, goes for a short time to Play and stops. Then no more drive functions. After 30 cassette comes out.
• Lift is not lowered sufficiently. Display shows F06.
• Horizontal swaying effect in PB picture. (with circuit diagram extract) (7618951 tips)
• Cassette flap will not open on eject.
• Intermittent loss of loop through. (extract of circuit diagram attached)
• Capstan speeds up.
• Loading very sluggish or does not load cassette.
• Switches on but not off. Stop and pause buttons inoperative.
• No constant RF through mixer/booster.
• Intermittently one channel is lost or tuning drifts. (with circuit diagram extract)
• Occasionally cassette not accepted. Cassette can be inserted into compartment but compartment does not go down. If switched off then on again after a short time, functions again for a while.
• Mechanical noise.
• At loading tape slips behind cylinder unit and creates loop.
• Does not load tape. No eject. Fault occurs intermittently. . (7618951 tips)
• Attempts to CUE forward resulting in loss of line lock as drum speed changes incorrectly. (7618951 BLAUPUNKT repair tip)
• Tape is ejected only after approx. 5 secs. Tape is threaded up to approx. 3/4 around video head. No error message on display.
• No functions, tape jammed and no EE.
• To remove cassette tape via hand operation.
• Lines across the screen in play mode.
• C NR adjustment.
• No FF on some pre-recorded tapes.
• Drive blocks when loading or unloading the cassette as well as towards the PB position. Error code on display.
• Off-tune after timed recording.
• No sound during own recording, sound present for approx. 1 sec, then no sound. Ok with other recordings. (BLAUPUNKT - 7618951 information)
• Excessive tape tension.
• Rolling and jumping.
• Tape crunched at top edge. No REV search.
• No picture. in E-E.
• Unstable drum.
• Sound varies between bass and treble with a slight clicking.
• Dead except faint ticking from power supply; approx. one per second.
• Tuner/booster pack produces a low gain EE output. (part of circuit diagram displayed)
• Does not load tape. after a while.
• Loss of some channels when warm.
• Does not accept tape. No eject.
• Lift intermittently tries to lace up again after eject- F6 in the display.
• Error at different tape functions.
• Noise at tape insertion. (BLAUPUNKT - 7618951 information)
• Video frequency response adjustment.
• Does not eject cassette, does not unlace, mechanical misfunctions. (service info for BLAUPUNKT -7618951)
• Doesn't accept tapes when appliance is without protective cover.
• Occasionally cassette becomes stuck at eject or can not be taken out. Mostly after REW.
• Dead.
• Snow during PB of own recordings. Pre-recorded tapes OK. (7618951 BLAUPUNKT repair tip)
• Does not accept tapes when VCR is on.
• Fault codes.
• Operation of take up photo sensor.
• No audio.
• After pressing REC button, the buzzer peeps but recording does not start.
• Tape loops.
• Appliance accepts a cassette when the tape is being loaded, but after a pause it was ejected.
• Ticking noise.
• Mechanical noise. in PB.
• Tape stuck. When switching on, mechanism attempts to run. F03 appears on display and appliance switces off.
• Intermittently tries to load a tape then ejects it. (service info for BLAUPUNKT -7618951)
• AGC adjustment.
• Intermittently no EJECT or other mechanical problems.
• Sometimes goes to stop during cassette loading/eject.
• Mechanism jammed.
• No REC. (+ extract of circuit diagram) (7618951 tip from BLAUPUNKT)
• Reverse picture search causes loops.
• Powers down when mechanism is open. (with circuit diagram extract)
• Former sound is not erased. (with circuit diagram extract)
• Accepts a tape and then keeps it. Lapses into silence, it powers down then after a few mins, power supply cuts out. (extract of circuit diagram attached)
• Does not accept cassette. Retracts cassette and ejects it immediately. Fault occurs only after longer operation.
• Switches immediately to AV when VCR is switched on.
• No RF amplification in EE mode.
• Slow speed.
• Head drum speeds up in FF with picture. Winding back and forth is very slow if fast search has already been used.
• Left tape reel doesn't wind tape by REW.
• Tape stuck. Displays H02 error message.
• Tape loops during SEARCH BACKWARDS.
• No eject. intermittently.
• Drive mechanism gets stuck with laced up cassette.
• Lines on top of screen in SP REC. - LP and PB (SP/LP) OK or black lines on transients. (7618951 tips)
• Loops tape and chews it while REW with tape in PLAY mode. (BLAUPUNKT - 7618951 information)
• Threading error.
• Enter service mode.
• Flashing or flickering picture which varies when the tuner/IF panel is tapped. (with circuit diagram extract)
• Loads tape then ejects immediately. after a while.
• Tape ejects after loading, arms not coming up to load tape around drum.
• Occasionally cassette does not move in or out. (7618951 BLAUPUNKT repair tip)
• Intermittent RF loop-through signal gain loss.
• Reels very slowly.
• Loads tape then ejects immediately. No drum/head rotation.
• Half of picture is snowy.
• Mechanism becomes stuck during cassette loading. Motor spins.
• Tape stuck.
• Incorrect capstan speed.
• Cassette is not retracted or not properly retracted. Occasionally also no correct function.
• No colour.
• Head only twitches when tape inserted.
• No REC. intermittently.
• Intermittent tape damage, also a clicking noise between modes.
• Loses control of its capstan motor. (extract of circuit diagram attached)
• Does not load tape (intermittently). (7618951 tip from BLAUPUNKT)
• Tape loops by FF and REW.
• Appliance indicates F06 after switch on, then attempts to retract cassette compartment without result.
• No start-up. (+ extract of circuit diagram)
• Intermittently does not retract cassette correctly. Appliance clatters and blocks, then ejects cassette.
• Any attempt to CUE forward results in loss of line lock. The top half of the picture is covered with noise.
• Does not load tape.
• White clip adjustment.
• Tape plays too fast. intermittently. (picture attached)
• Poor synchronisation. via tuner.
• No video REC. Audio OK . (extract of circuit diagram attached)
• Removal of chassis.
• Slow tracking adjustment.
• Motor races during FF. No visualization.
• No line lock.
• Accepts tape but does not eject. Then goes to standby and after a few mins the power supply cuts out completely. (+ extract of circuit diagram)
• Appliance will not record. Playback of prerecorded tapes is fine, but playback of own recordings produces just snow. (+ extract of circuit diagram)
• REC current adjustment.
• Cannot be switched on. Drum turns approx. 3 secs, then no functionTrommel/ no eject, no error codes.
• Intermittent loading, cassette sticks when unloading.
• To check gear alignment condition.
• Line appears at top of screen during PAUSE or FF/REW SEARCH.
• Adjustment after upper head drum replacement.
• Cassette stuck, still laced up, can not be ejected.
• No drive mechanism functions. (7618951 BLAUPUNKT repair tip)
• REC does not function, noisy raster, playback ok.
• To check reel gears operation.
• Does not fully load cassette.
• No lacing up of tape. Capstan pulsation and no drum rotation.
• Tracking bars, slurred speech and tapes are damaged.
• CTL pulse are not properly recorded.
• Noise zones in picture.
• At switch on believes cassette is inserted and attempts to eject.
• Tearing, black worms and dots during PB.
• Cassette compartment attempts to lower (without cassette), then switches off and error code F04 appears.
• Black stripes in picture. (+ extract of circuit diagram)
• Loading problems. (+ extract of circuit diagram)
• Right reel does not slow down at Stop after FFW.
• Snow in picture. via tuner (in REC).
• Deviation adjustment.
• Stops in record mode with clicking noise from mechanism, usually when warm. (+ extract of circuit diagram)
• PG shifter adjustment. (service info for BLAUPUNKT -7618951)
• Tape laces up. PB is pressed but no other drive function. Reels spin despite stop and power off. Cannot be ejected.
• Intermittent RF loop through.
• Tape sticking with error message F06 in front display.
• Cassette compartment is lowered, then drive noise and no function.
• Damages tapes, the loading arm pulls the tape up to the control head but does not lock into place fully.
• PB level adjustment.
• No E-E or PB signals.
• Intermittent RF loop through.
• System control has intelligent software programme which checks defects in user functions and localises them. SERVICE mode has been developed to profit from advanced technique.
• Sporadically tangles a tape.
• K mechanism service position.
• No functions. PSU ticking.
• To remove cassette tape via battery operation.
• Tape stuck (after warm-up).
• Error indication F06, cassette does not come out but occasionally gets stuck. (service info for BLAUPUNKT -7618951)
• Brakes remain on during PB.
• Loud mechanical noise, especially in FF and REW modes without tape. Noise also present with tape in PB if put in FF or REW modes.
• Poor or slow loading.
• Does not accept tape. (+ extract of circuit diagram)
• Procedure to remove cassette tape.
• Loops during REV. Tape loops.
• "K" drive.
• Jagged edges in PB of own recording. Pulling at top of picture. PB of well recorded tapes OK.