Teac A-6300 - 17. TROUBLESHOOTING; MECHANICAL TROUBLESHOOTING

17-1. TROUBLESHOOTING
NOTE: The following guide lists specific difficulties that could occur
in the A-6100/6300. Possible causes are listed for each malfunction.
Visually inspect the unit for any damage such as broken or burned com¬
ponents or wiring, loose connections, etc.
MECHANICAL -
MALFUNCTION
POSSIBLE SOURCE OF TROUBLE
* Fuse burns out (blows)
when power applied-- ► F aulty C6, D3 or D4
. Defective Power transformer
* Capstan motor fails to rotate
when Tension Arm is raised-,- ► SW2 or motor defective
► Drive belt off or slipping
*
Transport inoperative in Forward
Playback or Fast Forward-,-
Remote Control dummy plug
missing or loose
Faulty F3 or associated parts
*
Either reel motor inoperative
in playback but OK in Fast Forward
Defective tap on wirewound
Motor capacitor c- 909/912
C-901/903
Associated circuit parts
Resistor
(A-6100)
(A-6300)
*
*
*
Both reel motors operate with high
torque in Fast Forward mode-
Excessive Crosstalk—i--
Counter Repeat operation faulty-
Defective CR16, CR17
Head alignment improper
Faulty Relay (A-6300)
Head selector sw (A-6100) in wrong
Defective Counter position
SW-11 or K3, K7 (A-6300 only)
* Auto Reverse sensing inoperative-—Faulty K6, Q5, Q6 or associ¬
ated parts (A-6300 only)
*
*
Reverse mode inoperative-
Wow-Flutter excessive
(irregular tape movement)
Faulty K3, K5 or associated parts
(A-6300 only)
•Improper pinch roller pressure
Oily or defective belt
Back tension too high
* Pinch Roller fails to engage
completely -1-
- 4 6 -
Faulty solenoid
Defective K4, D14, D18 (A-6100)
K2 (A-6300) or associated parts