Akai X-1810

X.
TROUBLE
SHOOTING
CHART
SECTION “A” TROUBLE WITH TAPE TRANSPORT MECHANISM
Symptom Trouble
Power Switch “ON” but capstan motor does
not rotate.
(VU meter lamp not lit) 1. Automatic shut-off Sw at “ON” position.
2. Power Fuse blown.
3. Di to D3 defective.
4. TR-1 (2SD223(Y)) defective.
5. D0202 (10D4) defective.
(VU meter lamp lit) | 1. Capstan drive belt has slipped off of flywheel.
2.1 SW-4 Cartridge Auto Stop Continuous Play at ““AUTO STOP” position.
: 3. Main motor defective.
4. Power condenser defective.
Capstan rotates at playback position but 1. SW 006 Operation SW (Micro SW at “OFF” position.
Reel motor does not rotate. 2. Brake lever caught.
Does not Reverse play
(Reverse Relay operating) 1. Contact of Reverse Relay Contact Point defective.
(Reverse Relay not operating) 1. Check tension Sw, and Reverse Button.
° 2. Tension Arm dropped.
, 3. Check transistors TR-201 to TR-203 of Reverse Switching Circuit.
Playback head does not lower at Reverse
position. :
(Normal voltage (35V) at lug terminal of 1, Reverse solenoid defective.
Reverse solenoid).
(No voltage at lug terminal of Reverse 1. Connector P0301 and J0301 contact faulty.
solenoid) : ‘ 2. Reverse Relay (RL0201) defective.
3. RO213 12W 1.5K open circuit.
Does not Rewind 1, Rewind Change SW (SW 2) Actuater spring defective.
2. Supply Reel motor defective.
Brake Band is touching Brake Drum.
Tension Arm drops and Tape stops during 1. Tension Arm spring too strong.
Rewind operation.
Fast Forward operation does not work. 1. Fast Forward Switch Actuater Spring defective.
2. Take-Up Reel motor defective.
3. Brake Band Touching Brake Drum.
Tape slack when stopped from Fast Forward 1. Brake Tension unbalanced.
or Rewind.
Tension Arm moves up and down (during
Fast Forward) 1. Reel Table shaft Bent.
(At playback mode) 1. Check to see whether or not the Brake Band is touching the Brake drum.
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