KDM710E / YASHICA [Camcorder - 8mm]

• No REC.
• Mechanism tries to unload but stops before it gets half-way.
• Horizontal shift.
• On PB, the vertical lines are bent.
• Does not function in Camera mode. (KDM710E YASHICA repair tip)
• Rusted shaft or dirt collected on the shaft cannot be removed using moistened cloth with alcohol.
• No eject.
• Part number information. A new optical filter is used on the new lens assembly. The bulletin shows how to identify these.
• Mechanical operation problem. The reel rotation sensors are easily damaged. (KDM710E tip from YASHICA)
• Certain cassettes stick on the take up reel terminals, resulting in a lacing up or tape transport fault.
• Irregular unloading or ejection of tape under vibration. The cassette compartment may unlock when subject to a mechanical shock after cassette down operation.
• Defective Stop and rewind functions.
• After AC power on, the coaster may vibrate resulting in abnormal initializing.
• Camcorder switches off. Protective circuit symbol blinks.
• The S-reel torque value is out of the specified 17-29 g.cm value (in REV mode). (KDM710E tip from YASHICA)
• Right lacing arm does not load and can be pushed to and fro. (YASHICA - KDM710E information)
• Tape loading not completed.
• Service-Info: Mechanism.
• The reel rotation sensors are easily damaged.
• Take-up reel judders in playback and FF.
• Playback picture jumps.
• Deformed housing bearing.
• The coaster subassembly does not function during loading or unloading.
• Failure to load/eject. Arms move in and out continuously until the fault sign appears.
• No capstan rotation. intermittently.
• No zoom focus, EE is ok.
• No loading. Tape gets chewed or wrinkled. Tape path failure. Coaster subassembly does not function during loading or unloading.
• Iris remains open in automatic mode. Only closes in manual mode.
• Service information. Changes to the mechanical chassis of the U mechanism.
• Black EE picture, playback is ok.
• When EJECT selected, appliance goes to FF then ejects. (KDM710E tips)
• No functions. No eject.
• No eject. Switches off by itself. (KDM710E YASHICA repair tip)
• No mechanical functions.
• The TG3/TG6 guide roller on the left/right coaster assy of U/U' mechanism models may be dislocated.
• Loose LCD assembly.
• Capstan rotates but take-up reel does not.
• Tape stuck.
• Adjustment information. Part of the autofocus adjustment using the Siemens star as detailed in the service manual needs to be modified.
• Difficult cassette lid removal.
• Eats tape.
• Cassette compartment opens intermittently.
• Focus motor does not stop, does not focus.
• Part number information. Part number - S reel table.
• During EJECT, take-up reel spins fast.
• Interference at bottom edge of picture on playback.
• EE and playback picture are dark. EVF display ok. (KDM710E YASHICA repair tip)
• Irregular mechanical operation. Tape path problems.
• No take up. Appliance switches off after a short time.
• Tape spooling out of head, pinch roller not turning.
• Mechanical operation problem. The reel rotation sensors are easily damaged.
• Defective loading.
• Tape guides shift.
• No eject due to shock or external force. (KDM710E YASHICA repair tip)
• No eject. intermittently. (picture attached)
• Irregular mechanical operation. Intermittent loading/unloading.
• TG3/TG6 guide roller on the left/right coaster assy of U/U' mechanism models may be dislocated. (service info for YASHICA -KDM710E)
• Part number information. It is possible for the following two combinations of CRT assembly to be used in the above camcorder.
• Irregular mechanical operation. Intermittent loading/unloading.
• Waterfall effect. (YASHICA - KDM710E information)
• Does not load tape.
• Poor picture or no PB picture. No drum PG.
• Mechanical noise.
• The take up reel functions after switching on, the appliance accepts no commands, and then switches off.
• Does not load tape. No capstan rotation.
• Tape gets chewed/wrinkled. Tape path failure. The coaster subassembly does not function during loading or unloading.
• A tape guide which is positioned in the mechanism is loose and is blocking the loading of the cassette.
• Loading motor does not function. Does not lace up tape.
• Servo motor accelerates and slows down intermittently.
• No threading in.
• A noise bar may appear on the picture during recording or playback (tape path failure).
• Black picture in PB.
• Tape movement: tape curls.
• Dropouts in picture with horizontal lines.
• Picture flickering in PB mode.
• No unloading or ejecting of tape. See also service bulletin CV00194.
• Motor noise. Capstan motor ticking noise.
• The reel torque value is out of the specified 7-19 g.cm value (in FWD mode).
• Appliance blocks occasionally when the tape is unloaded. The loading motor also stops suddenly where it is.
• EE is ok, white screen on playback.
• Large S reel torque fluctuations occur during the REV mode. (YASHICA - KDM710E information)
• Does not load tape. No eject. Fault occurs intermittently. .
• Deformed housing bearing.
• Tape riding up pinch roller.
• Tape entrance and exit path out of alignment.
• The T reel touching the cassette case causes chattering noise during the REV mode. (KDM710E tip from YASHICA)
• No loading. Tape path failure. The coaster subassembly does not function during loading or unloading. (service info for YASHICA -KDM710E)
• No unloading or ejecting of tape. The cassette lid catches and remains open in eject mode so it is not possible to take the cassette out.
• Cassette compartments does not open. (KDM710E tips)
• The roller guide may halt during loading or unloading
• Tape guide roller does not function during lacing up or unlacing.
• Large T reel torque fluctuations occur during playback. (KDM710E YASHICA repair tip)
• Irregular mechanical operation. The reel may stop rotating occasionally and the service mode will display 00:02 or 00:03 (last emergency).
• No unloading or ejecting of tape intermittently. No eject, tape jamming or tape damage especially at the start of a tape.
• Jig availability. Cpa jig for evr adjustments.
• No picture. Dark interferences on screen.
• Auto focus has no function.
• Laces up without a cassette, mode motor shunts forwards and backwards then quits.
• Drum motor functions intermittently. High pitched sound.
• Stripes in Camera mode.
• No eject, drum spins, capstan spins but loading motor doesn't turn.
• Supply tension of the supply reel reduces occasionally from the standard value 9-12 g/cm (in FWD mode) to 2-4 g/cm.
• When loading or unloading tape, appliance blocks intermittently.
• Set does not lace up.
• Tape is damaged. intermittently.
• Tape jams when switching from PLAY to FF and drum stops.
• After switching on both reel motors run at a higher speed.
• Tape damage during review.
• The battery indication is flashing, eject is not possible and the appliance shuts off.
• May not eject at all, or may damage tape by failing to rewind during eject. (KDM710E tips)
• Interference by bright areas in camera mode.
• Defective eject and tape run/battery lamp blinks.
• Service information. This bulletin standardizes repair to U/u' mechanisms. Refer to this bulletin for mechanism problems on this model.
• Extension cable information. Extension cables are available.
• Incorrect tape-end detection.
• Only loads partially.
• No unloading or ejecting of tape intermittently. No eject, tape jamming or tape damage especially at the start of a tape.
• No FF. (YASHICA - KDM710E information)
• Irregular mechanical operation. Tape path problems.
• Does not accept tape.
• No colour in camera picture.