Akai X-1810

Symptom
Recording sensitivity low
(VU meter functions normally)
PWNS
Trouble
. Dirty head surface.
Bias voltage out of adjustment.
. Rec/Play Head defective.
Tape itself defective.
(VU meter does not indicate properly)
PF wn re
Input Jack Loose connection.
VU meter sensitivity low.
REC/PLAY Stide Switch (SW2-1) does not function properly.
VR1-1 (20KB) VR2-2 (2KB) out of adjustment.
Dirty head surface.
Tape itself defective.
Rec/Play head defective.
Recording bias voltage out of adjustment.
Back Tension too weak.
Sound fades or drops out 1.
2.
3.
4.
5.
Much difference between left and right 1,
recording levels.
b) Cartridge
Difference in sensitivity of the line volume itself.
Recording level (VR2-2 2KB) out of adjustment.
Rec/Play head defective.
Trouble
Loose connection of P15» 315, J2<»P2 and J3 => P3.,
. Rec/Play Head defective.
. Recording level (VR2-1 3KB) out of adjustment.
Recording level (VR2-1 3KB) out of adjustment.
Rec/Play Head defective.
3. Dirty head surface.
Dirty head surface.
Rec/Play Head defective.
Erase Head defective.
. Erase head wire disconnected.
Dirty head surface.
Erase head defective.
Symptom
Does not Record.
(Reel operation is normal) 1,
2
3
Much difference between left and right 1.
recording levels
Sound distroted.
(Reel operation is normal) 1.
2. Over-recording.
3.
Faulty Erasure
(Does not erase at all) 1,
2
Incomplete erasure 1.
2.
3.
Erasing noise (popping noise)
Head Height out of adjustment.
1. Defective recording tape.
. Head magnetized.
Sound fades out or drops out.
Dirty head surface.
. Tape itself defective.
Does not transfer 1.
34
Transfer function sw (SW (SW2-4) does not operate properly.