NVH75EV / PANASONIC [Video recorder - VHS HiFi]

• No function. Crackling sound from PSU.
• Display shows a flashing F1 after inserting a cassette and VCR carries out any functions. Battery OK.
• Can be switched on, then capstan motor turns slowly with cassette in appliance. No more operation possible. Then switches off again.
• Drive mechanism makes rattling noises. Does not accept cassette. Display blinks and indicates "F7".
• No function, the appliance whistles.
• No mechanical functions.
• Disk drive is locked and F1 displayed. Disk drive works again, if it is freed with brake lifting magnet and fault F1 appears again later.
• Mechanism moves jerkily to and fro at cassette loading and ejecting.
• No eject, in fact machine is sluggish when lacing the tape.
• No display light. (part of circuit diagram displayed) (PANASONIC - NVH75EV information)
• In PB take up reel table does not turn.
• Does not accept the cassette. Switches off and occasionally refuses all functions.
• Starts up, capstan motor turns slowly. No further control.
• Dead after tape is accepted.
• Timer muting frequency adjustment.
• Cassette not accepted. After switch on starts up for a short time then fails. 0.00 on display. (with circuit diagram extract)
• If cassette and then the slide blocks, drive slips.
• Defective tape drive
• Part info: Value of zener diode D18 in secondary power supply.
• No tracking adjustment possible. No audio. No sync.
• when the appliance has been disconnected from the mains for a long time the power supply unit does not oscillate any more.
• No function. Hums and humming gets slower. Rings as if it were operated without load.
• Sound multiplex detection adjustment procedure - Decoder section.
• No functions. (extract of circuit diagram attached)
• The capstan does not start or runs jerkily. (part of circuit diagram displayed)
• No sound - neither Hifi nor normal track. Visible tracking interference. Counter does not work. (picture attached)
• In REW blocks after a few rotations and the tape unwinds. Mechanism in safety mode and tape is ruined.
• Tape drive function too slow.
• Dead. (extract of circuit diagram attached)
• FM audio carrier frequency adjustment.
• The appliance laces up and then unlaces
• Error code F1. Cassette compartment does not lower fully during loading and Help does not function.
• Mechanism cuts out in some modes. (with circuit diagram extract) (PANASONIC - NVH75EV information)
• Chroma recursive adjustment. (NVH75EV tips)
• Laces in tape. Tape runs but ATTS is not carried out. Switches off with F1. FF and REW, PB (too quickly) is possible for a short time.
• FM audio REC current adjustment.
• Tape stuck. (NVH75EV tip from PANASONIC)
• Wow and flutter. (extract of circuit diagram attached)
• Tape laces up ok but does not run fast enough.
• Cassette compartment draws the cassette only halfway in. Appliance shows F1 in the display.
• The display is dark, the cassette is taken , the audio meter is lit up but no other function is possible. (picture attached)
• Cassette jammed in appliance (had not been inserted correctly). Keeps trying to take in cassette.
• No picture on E-E or PB.
• Stops after approx. 45 mins. playing time. Tape stays laced up, display goes dark and then displays F1. After pressing e.g. Play unlaces appliance then laces up again then functions again for approx. 45 mins.
• Eject and/or reverse search do not function or function incorrectly. (part of circuit diagram displayed) (NVH75EV tips)
• D8 (MA185) and D18 (MA2200B) S/C.
• Occasionally pinch roller does not position itself against capstan. Cassette loads ok.
• No sound in record. EE operation is ok. During PB of this recording, rhythmic interference zones occur in the picture every 10 secs.
• Laces up too slowly, front loading is also too slow.
• Drive is blocked after the cam gear slips.
• The appliance sometimes pulls the cassette compartment back a bit and then laces up automatically. The capstan motor or reel motor runs fast, the display does not light up.
• Toothed rack in cassette compartment skips.
• No cassettes ejected at the start. Works normally but programme 1 flashes constantly.
• Capstan makes noises.
• Mechanism jammed.
• No PB. No eject.
• Timer clock adjustment procedure - Timer section.
• Toothed wheels of the drive control skip.
• No function when power supply cold. When appliance starts, Program + and - buttons doesn't work.
• Tape laces then unlaces.
• Cassette is retracted. Appliance initializes. Sometimes reel table does not run during initialization. Occasionally PB is too quick.
• Electronic protection intervenes. (NVH75EV tips)
• Under load the 5V and 6V control voltages are missing. Without a load there is only voltage on pin 4 of IC1001. (NVH75EV PANASONIC repair tip)
• No ATTS, head drum does not run, Play does not function, no fault indication F...
• Head switching in pictures of own recordings. (with circuit diagram extract)
• The video tape creases, tears or forms loops.
• Clock is dark, cassette is accepted but not ejected again. Audio meter lights up. Appliance does not accept any commands. (picture attached)
• No functions. Tape stuck.
• F-1 on display. Cassette is not ejected. Drum starts up for a short time otherwise no function.
• By PB, tape is loaded, after that relay cannot release and VCR stops. By hand OK.
• PSU chirps. (with circuit diagram extract)
• Colour noise in picture.
• No picture through the AV (scart and BNC).
• Intermittently switches off during REC and PB.
• Does not playback correctly. (with circuit diagram extract)
• Dead. Noise from head drum motor.
• PSU has no function.
• Video tape is torn out of the cassette when rewinding at the end of the cassette. (extract of circuit diagram attached) (NVH75EV PANASONIC repair tip)
• Tooth segment is broken. (NVH75EV tips)
• Cassette is lowered and the tape is only pulled in halfway. (picture attached) (PANASONIC - NVH75EV information)
• The display is dark, everything else works correctly. (with circuit diagram extract)
• Drive does not function, makes a tapping noise.
• The clock display does not function. (picture attached)
• Interference in EE picture. (extract of circuit diagram attached)
• No REC, only records grey, vertical lines.
• Does not accept tape. intermittently.
• F1 fault. After removing and refitting the compartment everything is ok for only a short time.
• Intermittently E-E picture only displays ragged dark raster.
• In FF and REW switches to F1.
• Clicking solenoid when lacing in and/or unlacing.
• VCR accepts the cassette but tape is not loaded. Error code F1 is displayed.
• PB chroma cyan level adjustment procedure - Luminance, chrominance and head amp section. (with circuit diagram extract)
• The tape rubs on the synchro head. The lower edge of the tape is creased.
• No colour. Sound is muted. Interference.
• No operation.
• The EE picture and the picture coming from the tuner are fuzzy.
• Cassette threads in only partly.
• No functions (intermittently).
• Switches in PB and display «AIDC».
• High pitch noise E-E mode, noise in hi-fi amp. (with circuit diagram extract)
• No loading in PB. Drum runs for 5 secs then stops. FF/REW and eject ok.
• Cassette housing does not open or close completely.
• Capstan will not start. Neither during play, nor winding. (with circuit diagram extract)
• Appliance laces up then either switches off or gets stuck. (NVH75EV PANASONIC repair tip)
• Cassette not accepted, due to mechanism out of synchronisation.
• No REC with SCART AV bus. (part of circuit diagram displayed)
• Programs drift off tune.
• Appliance does not take any function, also the cassette is not accepted. (part of circuit diagram displayed)
• Appliance loads the cassette and laces up the tape. Unable to eject the cassette.
• Drum motor speed changing. (NVH75EV PANASONIC repair tip)
• No display. Tape stuck.
• Does not load tape.
• Picture changes between brightness and darkness. Bright lines run horizontally across the screen.
• Appliance is locked.
• No EE picture and the capstan runs too fast during PB.
• No sound, poor servo lock and no counter. (picture attached)
• Green screen with flyback lines, loses memory.
• The sound is too low even in EE function. (+ extract of circuit diagram)
• Mechanical problems.
• When pressing Play key, mechanism positions correctly with difficulty or switches to "Stop". Sometimes stops in any mechanical position, especially during REC.
• Mains audio output level adjustment procedure - Decoder section.
• Takes in tape but ejects it immediately. Display shows: "Tape".
• Intermittent picture during EE operation.
• The appliance does not switch on (picture attached)
• In Eject cassette goes in again straight away.
• On HiFi playback the left hand channel does not work. (+ extract of circuit diagram)
• After inserting the cassette, the lacing bolts stop halfway up. Capstan can be heard running continuously during this. F1 error appears.
• After a certain time the appliance loses the stored stations. (with circuit diagram extract)
• Tape is damaged. Switches off by itself.
• Fault F1. After removal and fitting of compartment everything is ok for a short time.
• VCO adjustment.
• No EE picture, the picture is black. (part of circuit diagram displayed)
• Appliance locks and does not start up. Once accepted, cassette is not ejected any more.
• After introducing video tape, ATTS mode does not switch on.
• No tape recognition during ATTS operation. When reeling or in PB, switches to stop after approx. 10 secs.
• Head drum jerks in PB mode after a certain time.
• The threading magnet "jitters".
• PG shifter adjustment procedure - Servo section.
• 4,43MHz on IC202 and 5V on pin 16 of IC2001 is missing. Servos do not run. (extract of circuit diagram attached)
• STEREO separation adjustment.
• In PB function the head drum runs but does not lace up the tape (intermittent). The PSU or something else makes a lot of noise on the FM band.
• After initialization run cassette is not recognized or no hour/mins display of the casette. Only counter display.
• Cassette is inserted, appliance displays F1 after a short period. Then it does not accept any more commands and the cassette has to be removed manually.
• In FF or REW, tape is torn out of cassette.
• Mechanism solenoid chatters and cuts out.
• Tape damage when switching from REW to Eject or from Stop to Eject.
• Cassette is loaded and immediately unloaded. Display shows F1.
• Appliance races in PB and REW but no picture. (picture attached)
• The tape creases during play and tape loops form when winding. (NVH75EV tips)
• Noise in right channel.
• No start-up.
• Capstan is too slow. Grinding sound.
• Cassette flap has come off causing drive to go out of sync (after inserting a defective cassette). (NVH75EV tips)
• Display does not flash. Cassette stuck in appliance.
• Error code "F1" and "7, "TIMER" flashes in display. No control.
• After ejecting cassette appliance retracts cassette again.
• Display is dim. (picture attached)
• The appliance does not function but the timer works. (picture attached)
• Coloured striations in the picture in PB.
• Cassette compartment gear rack skips the pinion.
• Picture shakes, no colour, interference stripes, HiFi sound fails.
• Audio output level adjustment procedure - Decoder section.
• FM detection transformer adjustment procedure - Decoder section.
• VU meter levels do not tally with a mono signal (NV-D80 only).
• The drive mechanism is stuck. Appliance does not accept the cassette and indicates F7.
• No characters in display. No exchange of data between timer PDC board and the channel select board.
• Mechanical noise at switch on. After a few secs display flashes in same rhythm. Cassette is blocked in mechanism which may be unsynchronised.
• Drive rattles. No display.
• Appliance laces up very slowly and after playing may not eject.
• Accepts cassette up to the stop position, capstan continues to turn , then F1 is displayed.
• Impossible to remove cassette. Displays F1 and no further functions. When cassette is unjammed manually, everything starts up again and F1 disappears but fault reoccurs after 2 months.
• Defective storage rechargeable battery.
• FM detection transformer adjustment.
• Black picture appears in PB function (as in AV). Jumps again to tuner function if Stop pressed.
• Mechanical fault, F1 is displayed.
• Dead. Lift jammed halfway.
• The tuner picture sometimes disappears and has interference. It appears when there is movement or knocking.
• No AID function and goes into rewind. No other function. Mechanism constantly moving but no error displayed.
• If cassette is not removed immediately after Eject, cassette is retracted again, else drive mechanism functions faultlessly. If there is no cassette in compartment, error code F1 is indicated.
• No secondary voltages. 300V on the primary.
• Picture is not recorded but sound is. (part of circuit diagram displayed)
• When ejecting tape it jams on tape guides, this is happening once out of 100 times.
• Audio muting adjustment procedure - Audio section.
• Loads tape then ejects immediately.
• Blocks on channel 99 at switch on. Impossible to change. OK in PB. (part of circuit diagram displayed)
• The mechanism is stuck and cannot be moved manually although the gears are positioned correctly.
• The mechanism shifts. Readjust mechanism. After switching on appliance starts to load cassette and switches off again. Mechanism is in incorrect position again.
• Voltages in load: Pin 3 = 0.3V (5.2V), Pin 4 = 1.7V (6.2V), Pin 5 and 6 = 1.3V-2V (12.6V/13.7V). (with circuit diagram extract)
• Tape is damaged.
• Clock loses settings after approx 10 mins power failure.
• No colour in PB. Record is ok. (part of circuit diagram displayed)
• No colour during PB. Using a different recorder the colour of an own recording is present. (extract of circuit diagram attached)
• Dead (after power failure).
• Dead. Hissing coming from PSU.
• PSU is dead. (NVH75EV tip from PANASONIC)
• An electricity failure detection adjustment procedure - Timer section.
• Tape stuck. No operation.
• Sometimes no cassette accepted. Sometimes laces in and displays F1.
• Counter does not function in FF or REW. OK in picture search and PB.
• Tape is ejected after insert or after being loaded for a short while.
• The capstan motor runs constantly backwards -also during play and FF. (+ extract of circuit diagram)
• No PB. Switches off before complete lace-up. End position is not reached.
• All the segments light up weakly in the background. Otherwise the appliance functions correctly. (picture attached)
• Luminance REC current adjustment procedure - Luminance, chrominance and head amp section. (part of circuit diagram displayed)
• Picture falls over in PB. Video head drum runs irregularly or too slowly.
• The tape is creased.
• Appliance does not accept the cassette and shows F1 in the display. The compartment lowers automatically and comes back up again.
• No mechanical functions. Shuts down.
• Cassette compartment jams.
• Diode D1008 (MA185) constantly fails after switch on.
• Loud drive noises can be heard during lacing up and unlacing.
• No colour or the colour is intermittent during playback. (part of circuit diagram displayed)
• Does not recognise E-240 cassettes in ATTS operation or recognises them as E-60 cassettes. (PANASONIC - NVH75EV information)
• Tape stuck (intermittently).
• Video tape is not unlaced completely.
• Noise in rewind of E240 tapes.
• Dead. Tape stuck.
• Defective PSU. Brake solenoid rattles for approx 30 secs. then PSU stops oscillating.
• The appliance does not lace up completely and switches to stop immediately. (+ extract of circuit diagram)
• Appliance only part loads then stops, no other functions possible apart from eject.
• Intermittently no colour or no colour during own recordings or PB or pre-recordings. (PANASONIC - NVH75EV information)
• At switch on head drum runs, in PB the drive functions but drags.
• The cassette is accepted and loaded until stop position, but then part of the tape is immediately unloaded. The appliance then switches off and locks.
• Audio deviation adjustment.
• Any tape transport mode will take place when commanded but will only take place for about 4-6 seconds. EE ok but no sound.
• The audio meter lights up. The appliance does not accept any command. (picture attached)
• No eject. Other functions OK .
• Does not switch automatically to normal track when cassettes without HiFi recording are used. (with circuit diagram extract)
• The stations cannot be stored. (extract of circuit diagram attached)
• Head amp frequency response adjustment procedure - Luminance, chrominance and head amp section. (+ extract of circuit diagram)
• Appliance runs normally then occasionally becomes very hot on the housing lid. No longer reacts to operation and tape loops form.
• No REC. (part of circuit diagram displayed)
• Brief chirp when plugging into the mains, otherwise no function.
• No REW.
• The tape comes out again during record. The appliance goes to playback when loading the tape.
• Intermittently sound is poor and mistracking. (+ extract of circuit diagram)
• Tape guides engage but jam just before automatic identification of cassette length (AIDC) is activated in PB mode. Display shows F1.
• No EE picture possible. Only the counter and the clock flash on the display. (part of circuit diagram displayed)
• Cassette compartment is pulled in and pushed out at switch on. This is repeated until appliance switches off.
• High quality amplifier gain adjustment.
• Station search finds a station but does not store it. (picture attached)
• Level meter sensitivity and balance adjustment procedure - Audio section.
• Mechanical noise every second in PB mode.
• Reeling not working.
• STEREO separation adjustment procedure - Decoder section.
• Cassette is accepted. ATTS is not carried out.
• Sound is distorted through the HF modulator but is O.K. coming through phono plug. (part of circuit diagram displayed)
• Ragged edges break off.
• REW motor does not function.
• Squeaking between mode changes.
• The capstan motor will not turn. (extract of circuit diagram attached)
• Shuts down when REW selected.
• In PLAY and in RECORD the tape curls and the top part deteriorates.
• Tape loads half way then comes out of cassette.
• Intermittently sticks during load or eject. (NVH75EV tip from PANASONIC)
• Intermittent loss of colour in the record mode.
• Solenoid switch does not pull in.
• Appliance unlaces again after 3 secs.
• At Power On cassette compartment attempts to start up without a cassette then switches off and F1 on display. Programme 1 flickers.
• Relay ticks in drive (switches on and off).
• The remote control does not work, normal operation is ok. (extract of circuit diagram attached)
• In Standby (0.7 A) the current consumption is too high. (NVH75EV tips)
• When operating directly the picture is noisy and the recorder picture is missing.
• FM audio carrier frequency adjustment procedure - Audio section.
• Head servo fault, picture tips over sideways.
• After approx 1h in PB mode, the capstan motor increases its speed and blocks the controls. (NVH75EV PANASONIC repair tip)
• Display is bright in standby mode, becomes dark when switched on. (PANASONIC - NVH75EV information)
• When switched off, capstan shaft rattles and head drum moves jerkily. When switched on cassette is loaded and laced in, but head drum moves jerkily.
• Magnet clatters or PSU doesn't start up.
• After current failure appliance does not function. Nothing on display. Drive rattles. (NVH75EV tips)
• With some types of cassettes, appliance blocks in FF or when the display indicates F1 and the mechanism blocks.
• When plugging in HF, the K36 transmission channel disappears. The picture is blurred or has no colour.
• Relay switches too much during lacing process.
• Sound multiplex detection adjustment.
• No function. The PSU does not start. If the voltage is measured with the test appliance at STR1606 pin 3, the appliance switches on.
• Horizontal sync MMV1 adjustment.
• No picture via the RF output.
• Playback works ok, but EE operation is not possible. (extract of circuit diagram attached)
• Tape end disconnection fails. When rewinding video tape is torn out of the cassette at the end of the cassette. (with circuit diagram extract)
• Does not go into play function. (picture attached)
• The appliance does not accept the cassette. The slope of the clock pulse is not steep. (with circuit diagram extract)
• The appliance initialises, but does not rewind.
• No EE picture during recording. During playback the appliance runs too fast an jerkily and the picture is also missing. (picture attached)
• Motors run but magnet does not switch.
• Chroma delay adjustment.
• Power supply defective.
• Video frequency response adjustment procedure.
• No switch off at end of tape (neither tape start nor tape end).
• With EJECT the tape continually goes in and out. IC208 in the power supply becomes hot.
• Chewing tapes.
• During record the appliance switches off after a few seconds, but not during playback. (with circuit diagram extract)
• During HF connection the channel K36 moves slightly. The picture is blurred or occasionally without colour.
• No FF. No eject.
• Cassette is spontaneously ejected in Play or REC in LP mode. (+ extract of circuit diagram)
• Tape is immediately taken back after eject. If no tape, display shows "F1".
• No reception after a power supply repair. Search runs through. (service info for PANASONIC -NVH75EV)
• Solenoid switches on/off a few times when tape is inserted. Intermittently tape is threaded in and then unlaces. (NVH75EV PANASONIC repair tip)
• Tape start and end are not recognised. (extract of circuit diagram attached)
• Faulty tape loading. Magnet sticks and unsticks.
• When pressing the eject button the tape is not laced back into the cassette.
• No mechanism operation when cassette inserted.
• Does not lace up fully. Magnet pulls in but releases too early.
• Dead apart from a whistling noise for a few secs at switch on.
• Picture impairment in slow and pause mode.
• Erratic functions.
• The appliance does not function (display is dark). (extract of circuit diagram attached)
• Displays F1 after tape loading, then all functions are blocked, except for EJECT.
• The tuner/line/signal switch does not function. (+ extract of circuit diagram) (service info for PANASONIC -NVH75EV)
• Appliance blocks when cassette is loaded.
• Leaves loop of tape when EJECT selected. (NVH75EV PANASONIC repair tip)
• Horizontal sync MMV2 adjustment.
• No sound during L-R or L+R channel. (with circuit diagram extract)
• No cassettes accepted. F1 is displayed.
• No display.
• HIFI playback is correct, but recording is only possible when passing through the longitudinal track.
• Main audio output level adjustment.
• Incorrect REW and FF after a while.
• Tracking fix adjustment procedure - Servo section. (with circuit diagram extract)
• Poor cold start, poor colour, does not lace properly.
• Occasionally tape loop remains hanging out of cassette when ejecting a cassette. (NVH75EV tip from PANASONIC)
• Audio muting adjustment.
• Faulty REW mode. Appliance locks during reverse search. PB and forward picture search are OK.
• Occasionally drive functions are distorted.
• Chrominance REC current adjustment procedure - Luminance, chrominance and head amp section. (extract of circuit diagram attached)
• Function fault/drive function is distorted.
• Not loading properly. Misses half-load position and ejects after one attempt.
• VU level meters are different with a mono signal. (NVH75EV tips)
• The mechanism rattles, sometimes F1 is displayed, the lifting solenoid has switched, but the lever mechanism is stuck.
• If tape has run back, appliance no longer goes to PLAY.
• Black horizontal lines on white background during PB. (extract of circuit diagram attached)
• In SP REC there are noise bars across picture. OK in LP REC.
• Occasionally tape loops form when unlacing. The left reel table pulls the tape back too late.
• No picture in EE-function. (part of circuit diagram displayed)
• The head drum runs continuously, all other functions are O.K. (part of circuit diagram displayed)
• Exact ref of the power supply IC STRD1806.
• Initialises with much difficulty therefore only normal counter display. All other drive functions are ok.
• AV-tuner switch-over is not possible.
• Start and end sensors do not function. (part of circuit diagram displayed)
• Malfunction, the capstan motor occasionally runs or not at all.
• FM audio recording current adjustment procedure - Audio section.
• Cassette does not lower completely. Appliance displays F1.
• Sometimes does not load cassette correctly and blocks.
• The appliance accepts the cassette and laces up. Does not initialise and no longer unlaces. F1 displays the faults.
• The appliance accepts the cassette, but no drive function possible, but the symbol is displayed.
• Tape loops in Eject and REV.
• Intermittent E-E.
• Cassette is accepted and laced up into Stop-Position, however straightaway afterwards a piece is unlaced. Appliance switches off and locks.
• Tape laces up then unlaces during review mode, switches to E-E then plays.
• Occasionally appliance shows F1. Initialization operation is incorrectly carried out, measures tape time incorrectly.
• Poor servo lock. No sound and counter not working. (with circuit diagram extract)
• Power supply blocked.
• No picture through the HF and video out. (extract of circuit diagram attached)
• Reel table does not turn, could be intermittent.
• In drive position REW mode, take-up reel table is not moved.
• Left reel table does not run backwards in REC/Pause.
• Accepts cassette jerkily, periodically display brightens then darkens.
• PB audio switch adjustment.
• LEDs are not lit or tapes not accepted at switch on.
• No initialisation, electromagent no longer switches after plugging in the mains plug.
• Tape keeps reeling sometimes when unlacing or switches off sometimes when reeling.
• No picture or no sound. Weird responses. (service info for PANASONIC -NVH75EV)
• No deck functions and/or information on display is corrupted.
• Capstan motor speed varies in PB. No colour.
• Defective programme switch (always switches to programme 1). No tuning. Tape switch does not function. (Always switches back).
• Left reel does not turn.
• Sometimes no PB sound neither on Hi-Fi or longtrack. (part of circuit diagram displayed)
• No loading. The cassette is not lowered completely and jams.
• Drive is blocked after cam gear (pos 111) has slipped through. Sector gear (Pos. 39) is broken.
• F1 displayed with the so called appliance series due to cassette compartment blocking.
• Colour interference through picture, the head motor runs out of sync intermittently.
• Audio bias current adjustment procedure - Audio section.
• No function, no display, low chirping of PSU.
• No function after mains disconnection.
• Display flashes and at times switches on but does not display the programme number and does not tune. Goes ok in Play. (part of circuit diagram displayed)
• Appliance does not lace up correctly. (extract of circuit diagram attached)
• Tape will not lace up. (service info for PANASONIC -NVH75EV)
• Blows fuse in secondary, placed vertically on PSU. Only "DIGITAL" on display.
• Slow tracking adjustment procedure - Servo circuit. (extract of circuit diagram attached)
• No sound present during any of the operation modes (via HF and Audio Out). (picture attached) (NVH75EV tip from PANASONIC)
• Power LED and display flicker when connecting the mains voltage or mains does not supply enough power. (with circuit diagram extract)
• In appliance cassette is in continuous REC. Commands are not accepted from RC.
• Crackling when cassette compartment moves down/up. (PANASONIC - NVH75EV information)
• Picture fluctuates rhythmically/ laterally. (NVH75EV tips)
• Appliance only laces in one quarter then F1 is displayed.
• No function,display dark.
• Capstan motor has no power, the cassette cannot be laced in.
• Drum and capstan motor are not locking. Interference in E-E mode.
• PB of a cassette with normal sound only gives noise. Both of the red LED's next to the VU-meter are lit up. (+ extract of circuit diagram)
• Slow lace up. Cassette ejected.
• No function. No voltages at plug P1001.
• Lifting magnet in the drive rattles. (picture attached)
• Drive does not function. Switches off immediately.
• Tape loops and loud noises without any obvious reason.
• IC7501 clock adjustment.
• Accepts cassette but the two shafts which put the tape in Stop position do not perform their movement right to the end and stop half way. VCR goes into standby.
• Does not accept tape. (extract of circuit diagram attached)
• No eject.
• The head drum runs continuously. (+ extract of circuit diagram)
• The test picture generator does not function.
• Intermittently deck gets stuck during loading or ejecting.