639475 / OTTOVERSAND [Video recorder - VHS HiFi]

• At start up, capstan motor runs for 5 secs then cuts out again. (part of circuit diagram displayed)
• During play the capstan motor runs fast but the head drum doesn't run at all (can also be a timing fault).
• Capstan speed fast. (with circuit diagram extract) (639475 tip from OTTOVERSAND)
• DEW-LED lights and appliance does not take functions.
• Appliance can be switched on, shows all functions, but will not lace up.
• No audio. in E-E.
• No power on indication/no functions.
• Timer reset (IC7501) adjustment.
• When REV is selected, tape unlaces and PB symbol lights up on display. Then tape is laced back up, sometimes correctly and sometimes becoming damaged by the mechanism.
• The head drum synchronises only during record. It constantly controls back and forth during PB, the colour is missing.
• General information.
• Capstan motor runs immediately after switch on, cannot be switched off. (639475 OTTOVERSAND repair tip)
• The sound oscillates. (service info for OTTOVERSAND -639475)
• The appliance is dead and dew indicator lamp on all the time.
• The appliance operates intermittently after approx 1 hour. (extract of circuit diagram attached)
• Loads tape then ejects immediately.
• Low audio. in E-E. (part of circuit diagram displayed) (639475 tips)
• The capstan motor runs too fast, the capstan free run cannot be adjusted and interference lines appear sporadically in the picture. (picture attached)
• Hi-Fi sound U/S. Indicator for sound system is oscillating between HiFi and normal.
• Erratic loading motor drive.
• No colour during own and prerecording
• Buzz adjustment.
• Appliance laces up, but does not unlace.
• Poor vertical synchronisation. (with circuit diagram extract) (639475 tips)
• Hi-fi sound is lost intermittently while tape is played.
• The appliance laces up and unlaces immediately. The head drum does not start up.
• Poor rewind. (OTTOVERSAND - 639475 information)
• The capstan shows wow and flutter.
• Capstan runs continuously and too fast.
• Skips channels during tuning. (picture attached)
• When VTR switch is turned on, unit loads the tape then unloads.
• Appliance occasionally does not switch on (clock blinks). Counter appears after switching on, lasts approx. 5 sec and then disappears. (+ extract of circuit diagram)
• No colour in PB.
• Operation buttons do not function. Appliance switches off.
• No or incorrect colour in PB or REC.
• Wow and flutter on sound, noise bars on picture. (picture attached)
• Tracking fix adjustment.
• Luminance REC current adjustment.
• No audio. OK after a while . (extract of circuit diagram attached)
• No picture. in PB (when cold). OK after a while .
• No functions. Dark display. (picture attached)
• Capstan speed fast. in PB (intermittently).
• HiFi sound, recorded on appliance, crackles in PB. Other HiFi tapes OK.
• Appliance switches off after approx. 5 sec, but one relay switches twice.
• No start-up. Does not accept tape. (part of circuit diagram displayed)
• Does not load tape. Other functions OK . (+ extract of circuit diagram)
• Tracking does not function and switches off too soon. (extract of circuit diagram attached) (639475 tip from OTTOVERSAND)
• No audio. in PB.
• The sound oscillates, the picture jitters and shows disturbance.
• Lines in picture.
• No picture in PLAY or EE mode.
• No sound recording and PB possible.
• Slow Advance does not work.
• Dead. (extract of circuit diagram attached)
• No colour in PB. intermittently.
• The appliance does not function, current breaks down after approx. 3 sec. (with circuit diagram extract)
• The recorder switches off automatically after 5 sec, meanwhile the relay switches on twice.
• PB is ok, but during recording there is only noise. (service info for OTTOVERSAND -639475)
• Excessive wow on audio/video signal. (with circuit diagram extract)
• No cassette loading or power off after a few seconds. (part of circuit diagram displayed)
• PG shifter adjustment.
• Does not rewind enough. Interference in the picture during pause.
• During playback the HiFi sound is occasionally over controlled.
• No cylinder motor rotation.
• There is only one FM carrier. (extract of circuit diagram attached)
• Appliance laces up and unlaces after a short time. (part of circuit diagram displayed)
• During play operation the appliance doe not switch to the video picture but stays in EE operation. (part of circuit diagram displayed)
• No REW. intermittently.
• After switch on, laces up and loading motor does not stop running.
• Double image effect.
• No picture. in PB (via AV).
• Capstan motor runs at high speed producing a vertical noise band to move vertically through the picture. (picture attached)
• No start-up.
• Dew light permanently on.
• Timer reset IC7503 adjustment.
• Poor rewind.
• During PB the EE picture and EE sound remains. (+ extract of circuit diagram)
• The appliance remains in the "stop" mod and does not take on any commands.
• Mode switch chatters. (639475 tip from OTTOVERSAND)
• Intermittent whining sound. Interference lines. Temperature dependent. (extract of circuit diagram attached)
• No drum/head rotation. in PB. (639475 OTTOVERSAND repair tip)
• AFC adjustment. (639475 tips)
• No sound during EE operation and PB. IC3 in the sound section repeatedly breaks down. (picture attached)
• No REW.
• Cassette is accepted and laced to stop position but then unlaces a little. Appliance switches off and blocks.
• Appliance stops during record.
• Erratic audio volume in PB mode.
• No picture (in PB).
• No sound in recording via tuner - via scart and line in o.K.
• Audio bias level adjustment.
• The sound howls and the picture jitters. Interference lines.
• No switching from Start to Stop and from REC to PB.
• Mechanical charging on the main chassis does not function. (+ extract of circuit diagram) (639475 tip from OTTOVERSAND)
• Audio channel balance adjustment.
• No systems operation, no power after 2 sec. of VTR switch on.
• No audio record.
• No sound in the inter connection position. When connecting a camera or a tuner, no audible sound. In PB the sound is present. (picture attached)
• Appliance shows DEW and switches off after approx. 2 sec.
• Intermittently stops.
• Operation clock adjustment.
• Channel drift. Memory loss. (extract of circuit diagram attached)
• During cold condition the colour is missing.
• The appliance does not lace up.
• Fine slow free run adjustment. (service info for OTTOVERSAND -639475)
• No function, the power supply fails after a few seconds.
• Audio PB level adjustment. (639475 tips)
• No mechanical loading of main chassis. (with circuit diagram extract)
• Loading motor does not turn.
• Intermittently when review is selected tape unlaces and PB symbol lights up on the display. Then it laces again, sometimes correctly and sometimes damaging tape in the process. (639475 tip from OTTOVERSAND)
• Main audio output level.
• Bad picture when power supply is from the tuner.
• No capstan rotation. (part of circuit diagram displayed) (639475 tip from OTTOVERSAND)
• No tuning.
• Dark picture. in PB. E-E OK . (OTTOVERSAND - 639475 information)
• All indications are flashing and the appliance switches off. (picture attached)
• No recording possible, the old pictures are erased. (OTTOVERSAND - 639475 information)
• The recorder occasionally goes into fast forward picture search mode. Shock and temperature sensitive.
• Intermittently tapes lace up and unlace in PB/REC. Appliance then OK.
• Excessive wow and flutter on audio/video signal. (picture attached)
• On the AV socket there is only low sound or none at all. (OTTOVERSAND - 639475 information)
• SIF sweep adjustment.
• Disturbances and jitter in the picture.
• Pilot signal transformer adjustment.
• During pause position editing is disturbed. The appliance does not wind completely.
• Using a tuner adapter there is not TV signal.
• Timer clock (IC7501) adjustment.
• No capstan lock. Vertical noise band running through screen. (with circuit diagram extract)
• Does not REC sound in one channel.
• Horizontal lines.
• During still and slow the capstan motor runs forward. But during reverse search the capstan also runs forward. (+ extract of circuit diagram)
• No colour.
• Noisy FM audio.
• No power. after a few seconds. (extract of circuit diagram attached) (639475 tips)
• Tuning memory does not function and when appliance is switched on the display fades. (extract of circuit diagram attached)
• Level meter sensitivity and balance adjustment.
• The sound is missing during EE operation and own recording.
• Drum/head speed slow.
• No multi function display. (part of circuit diagram displayed)
• Only FF and stop function.
• Tracking problems. intermittently.
• Upper cylinder does not run.
• Incorrect capstan speed. (extract of circuit diagram attached)
• Horizontal picture twitch.
• No main loading motor. Stops after approx. 3 secs.
• The picture jitters, the sound oscillates and there are interference lines in the picture.
• Audio output level adjustment.
• FM detection transformer adjustment.
• Artificial V-sync adjustment
• Permanent interference lines on lower picture edge. (extract of circuit diagram attached)
• Slow tracking fine adjustment.
• Stops during PB.
• The display for the tape counter does not function correctly. Some segments light, and in the wrong sequence. (picture attached)
• Audio muting adjustment.
• Appliance unlaces immediately. (with circuit diagram extract)
• PLL oscillation frequency adjustment.
• No DD rotation. (part of circuit diagram displayed) (OTTOVERSAND - 639475 information)
• Sound is too low if there is a HF signal. (with circuit diagram extract)
• After lacing up the appliance switches off.
• Does not shut down. after warm-up. No functions. after warm-up.
• The DEW indication is flashing, no function.
• The appliance laces up but unlaces again after approx 5 sec.
• Does not load tape. (part of circuit diagram displayed)
• No audio. in REC.
• Shuts down. after a few seconds. (with circuit diagram extract)
• Moisture indicator lamp on all the time No operation.
• No sound with own recordings, playback ok.
• No channel storing. Tuning OK . (extract of circuit diagram attached)
• Various system faults, including dead or DEW light on. (extract of circuit diagram attached)
• STEREO separation adjustment.
• After "cassette eject" a tape curl sticks out of the cassette.
• Audio REC level adjustment.
• After operating the play button, the head drum runs too fast and the appliance goes back again into playback.
• The display shows illogical numbers and functions (but the appliance functions ok). (+ extract of circuit diagram)
• Lines in picture. in PB (intermittently).
• Knocking noise in play.
• The assemble cut is not clean.
• No functions. intermittently. Shuts down. intermittently. (639475 OTTOVERSAND repair tip)
• When the camera or tuner is connected the sound is missing but during PB the sound is present. (with circuit diagram extract)
• No signal. in E-E. (part of circuit diagram displayed)
• Appliance switches by itself to pause.
• Incorrect functions of transport section.
• No drum/head rotation. (extract of circuit diagram attached)
• No PB.
• The appliance switches on and switches off a short time later (the power supply is switched off).
• When review is selected the machine unlaces with the play symbol appearing in the display. After realizing its mistake the machine would lace up again but sometimes with chewing of tapes.
• Occasionally the tapes are torn in the drive.
• Confirmation of video level and burst level adjustment.
• No sound in EE. No sound when connecting a camera or a tuner. Sound ok in PB. (with circuit diagram extract)