Akai X-360D

X. TROUBLE SHOOTING CHART
SECTION “A” TAPE TRANSPORT MECHANISM TROUBLES
* *& & &
1. Capstan fails to rotate.
No rotation of capstan motor.
If all relays do not operate, first, check the REMOTE DUMMY PLUG (P202).
Next, check D10D (D44-7) (Relay, Power Supply) and Condenser 220 uF or 100 uF 150V.
Check the Relay Print Circuit Board as shown in Fig. First, check each connection point (blank point).
When there are no troubles that relays and diodes have the normal resistances and distortions.
Open field coil
Defective starting condenser
Capstan motor rotates normally
2. No tape movement in “Play” mode.
Pinch Roller inoperative. oS
Metal! seizure
Defective Relay (REV1)
Drive belt not properly positioned.
Slipping Motor-Pulley
Oil on motor-pulley or flywheel
Defective Pinch Wheel solenoid.
Defective Relay (PLY or PT).
Replace
Replace
Replace
Clean or Replace
Reposition belt.
Tighten set-screw
Remove oil.
Replace.
Clean or Replace.
Replace.
No rotation of Torque motor Defective motor ——_—__-____—__-
, - Defective Relay (PLY.MAG.TIM.REV 2). —~——————-_ Clean or Replace.
Defective R201 (1202 30W), R206 (2302 40W) Replace.
Brake fails to released. Brake solenoid does not operate satisfactorily, ———— Aas
Defective Brake solenoid. Replace.
Brake bands not postioned properly. —-——————— Adjust. :
Defective Relay (PLY.PT) ———_-_---———_ Clean or Replace.
3. No “Reverse Play”
Plays only when “AIIT(’ dial used. ALITO dial contacts out of adjustment, —————————._ Adjust.
Plays only when sensing tape used. : - Defective Relay (SENSE). ————__———_______- Clean or Replace.
Plays when REVERSE button pushed. Defective Relay (REV; REV2) - Clean or Replace.
4. Inproper Reverse Operation
Pinch wheel faifs to free. Defective Relay (REV; PT.RT & C552) —-———-——— Clean or Replace.
Slow tape speed during start of ,
“REVERSE”.
C552
not
large
enough
————-—-——_-
Add
100
up
F
Capstar motor does not operate properly. Check Relay REV,
Replace motor.
Check AC voltage.
5. No rewind.
Replace.
Rewind motor inoperative. —— Defective Motor.
Defective Relay (RWD. MAG) ———————-~————. Clean or Replace.
Rewind motor operates. ——__-_—~_-- Brake fails to free. ————————-_————————__ Adjust Brake system.
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