VR3100 / SHORAI [Video recorder - VHS HiFi]

• The appliance can be turned on but switches off automatically after a few seconds.
• Capstan runs continuously. (with circuit diagram extract)
• The video head does not turn. (extract of circuit diagram attached)
• VCO adjustment.
• No picture (in viewfinder). (+ extract of circuit diagram)
• After being switched on the lacing motor does not run to its correct position and the appliance switches off. (+ extract of circuit diagram)
• Appliance runs too fast in play. (picture attached)
• Appliance switches off, but not the indication. (with circuit diagram extract)
• How to reset microcomputer.
• No drive function. (+ extract of circuit diagram)
• Visible rhythmic tracking disturbance lines during playback (with circuit diagram extract)
• Interference lines appear rhythmically in the picture during playback of own recording. (part of circuit diagram displayed)
• Interference lines occur sporadically, the CTL pulse is missing on pin 7, IC2002.
• No function, the clock blinks. (picture attached) (SHORAI - VR3100 information)
• Tape fault when rewinding.
• Loud noises during rewind. (VR3100 SHORAI repair tip)
• The capstan oscillates, tape tension (forward tension) is too big.
• Picture is distorted during playback of own recording. (extract of circuit diagram attached)
• P G Shifter adjustment.
• The picture is torn during playback of own recording. (with circuit diagram extract)
• No synchron pulse during EE picture, no PB picture (distorted and black).
• No drive function.
• Visual search speed adjustment. (SHORAI - VR3100 information)
• The drum does not start up.
• Shifter adjustment.
• No colour in PB.
• No PB. Cassette is accepted, briefly switches to FF and REW, then switches off.
• On EE-operation and PB, no picture and no sound.
• Dark display. (picture attached)
• The Picture sways.
• No display.
• Cassette is accepted but function keys for PB, REW, and FF do not work. No lacing in. (SHORAI - VR3100 information)
• Appliance laces up half way and immediately out again. Display shows fast forward and rewind but no function. (picture attached)
• No picture through HF modulator. (part of circuit diagram displayed)
• PB level adjustment.
• The clock cannot be set. (with circuit diagram extract)
• No sound with own recordings. EE audio and playback audio are ok.
• Only laces in half way.
• Capstan turns randomly, sometimes even not at all.
• No function, the display is dark. (with circuit diagram extract)
• Very dim display. No channel storage. Otherwise functions OK.
• Squeaky noises during play.
• No colour at time of playback of own recording.
• Interference in picture. (with circuit diagram extract)
• Does not eject cassette. Appliance switches off after a short time.
• Adjustment of Dark clip and White clip.
• The appliance goes to rewind.
• Laces up briefly and then switches off. The head switching pulse is missing. (extract of circuit diagram attached)
• The video head runs continuously. (with circuit diagram extract)
• Interference lines appear periodically in the picture, the capstan runs too slowly.
• Appliance loads then immediately unloads. Appliance remains on. (picture attached)
• The cassette compartment lowers, the appliance goes to playback but eject does not function. (+ extract of circuit diagram)
• 6MHz IF sound.
• The cassette compartment lowers and the appliance goes to PB. No function after operating the eject button. (part of circuit diagram displayed)
• The tape occasionally stands still during PB.
• Tape is not unlaced.
• No picture (in PB). (extract of circuit diagram attached) (service info for SHORAI -VR3100)
• Capstan speed fast. (+ extract of circuit diagram)
• The end loading procedure is not recognised; the reel-table motor, the capstan motor and the head drum stop turning after 3 to 4 seconds.
• The head servo does not synchronise. (picture attached)
• Uncontrolled servo functions.
• During playback the appliance switches off. (+ extract of circuit diagram)
• The cylinder does not turn. (part of circuit diagram displayed)
• During PB noise can be heard periodically. (with circuit diagram extract)
• PG shifter adjustment. (with circuit diagram extract)
• No switch on. When cassette inserted, appliance switches on in PB. No further functions.
• Intermittent colour. (extract of circuit diagram attached)
• In play, rewind and FF the idler wheel is not pressed to the reel. Idler wheel and pinch roller have been replaced and everything cleaned.
• The picture is distorted during EE operation. (picture attached)
• During PB interference lines appear periodically.
• No programme changing possible, the LEDs are lit up.
• Bold interference lines in the picture. The the right guide bolt does not completely load the tape.
• Clock adjustment.
• Tape guide is difficult to adjust. (service info for SHORAI -VR3100)
• REC AGC level adjustment.
• No functions. (picture attached) (service info for SHORAI -VR3100)
• EE-picture is visible in playback, the sound is from the cassette.
• Tape mechanism doesn't function. Display ok, but no function.
• Lines run through. (part of circuit diagram displayed)
• In Play VCR laces in halfway and then immediately unlaces again. Head drum does not run. (part of circuit diagram displayed) (VR3100 tips)
• The reel motors run continuously. (with circuit diagram extract)
• No counter function.
• No play, forward or rewind. After a short time the appliance switches off. Eject does not work.
• Colour level adjustment.
• The appliance switches from PB to stop (after a few seconds). The counter stops. (with circuit diagram extract)
• No PB. Switches to STOP intermittently.
• E-E level adjustment. (part of circuit diagram displayed)
• Switches off during PB after a few seconds. (extract of circuit diagram attached)
• SECAM identification adjustment.
• Audio PB level adjustment.
• No function, the power LED lights up continuously. (VR3100 tip from SHORAI)
• No picture. (part of circuit diagram displayed)
• After a few. sec. the appliance switches off by itself. (with circuit diagram extract) (VR3100 tip from SHORAI)
• All functions OK except play.
• No function at times.
• Will not switch on, if you insert a cassette, appliance goes to Power ON and then to PLAY. Otherwise does not accept any functions.
• There is an EE picture during PB.
• Audio bias level adjustment.
• The capstan motor runs continuously. (picture attached)
• REC Shifter adjustment.
• Capstan motor doesn't function.
• Does not accept tape. (+ extract of circuit diagram)
• Switches off during cassette loading or Eject. (SHORAI - VR3100 information)
• Appliance takes the cassette in and ejects, but will not switch on. (picture attached)
• Drive mechanism has no functions.
• Appliance does not store any stations. (+ extract of circuit diagram)
• Does not accept cassette, after being turned on lacing motor runs back and forth and appliance does not stop.
• Does not accept any commands from RC.
• AFT adjustment.
• Interference lines appear periodically (with circuit diagram extract)
• Poor torque from reel motor. (VR3100 SHORAI repair tip)
• Periodically there is noise in the picture. (extract of circuit diagram attached)
• The head drum runs too fast. (picture attached) (service info for SHORAI -VR3100)
• Appliance runs to fast in play. (picture attached)
• No EE operation. (picture attached)
• No start-up. (part of circuit diagram displayed)
• The motor does not start up.
• The capstan motor runs too slowly. (+ extract of circuit diagram)
• No function of the tracking regulator. Consequently playback picture is covered with lines.
• The lower edge of the tape becomes damaged. (SHORAI - VR3100 information)
• Tracking fix adjustment. (extract of circuit diagram attached)
• The motor does not run.
• No sound during EE operation.
• Appliance carries out all functions except Play. (extract of circuit diagram attached)
• No capstan rotation. (picture attached)
• Appliance does not record. The FM on the heads is too small. (+ extract of circuit diagram)
• No REC.
• No function of the tracking regulator. Consequently playback picture is covered with lines. (VR3100 SHORAI repair tip)
• No record and PB picture (only noise), sound present. (VR3100 SHORAI repair tip)
• No audio. (extract of circuit diagram attached)
• Switches off in Play after a few secs. Tape is not transported although capstan motor runs. (VR3100 SHORAI repair tip)
• No drive function possible.
• VS cylinder free-run adjustment.
• Capstan does not rotate and head drum rotates freely.
• During pause the capstan motor continues running. (with circuit diagram extract) (service info for SHORAI -VR3100)
• REC current adjustment. (part of circuit diagram displayed)
• Cassette is loaded. No further functions.
• RF AGC adjustment.
• 40fH frequency adjustment.
• Appliance laces up half way and immediately out again. Display shows fast forward and rewind but no function. (extract of circuit diagram attached)
• Standard oscillation frequency confirmation.
• The video head runs too fast. (picture attached)
• Occasionally the cassette is not taken in and when inserting the cassette the appliance switches off. (VR3100 SHORAI repair tip)
• Lines run through picture. Speed of the head drum cannot be adjusted.
• Appliance unlaces in play mode after approx 15 mins and switches to REW. Then for a short time switches to FF. Drive keys are blocked from then. Eject no longer functions. (with circuit diagram extract)
• The drum does not synchronise. (+ extract of circuit diagram)
• During playback interference lines appear periodically.
• The appliance unlaces immediately after operating PB. (picture attached)
• Sync tip deviation adjustment.
• During PB only half of the picture is to be seen.
• Play is not possible.
• During play the appliance does not lace up completely and then switches off.
• Forward and rewind is not possible.
• During eject the flap does not open completely.
• Carrier balance adjustment.
• No EE picture and no picture during PB.