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LOADING MOTOR AND EJECT TROUELESHOOTING
I
A cassette tape falls to eject.
Does the capstan motor start No
when the EJECT button is pressed 7
NO
Does the take-up reel disk turn
when the capstan motor is
running 7
YES
Is reel
NO
when he take-up ree disk is
turning ?
IS
J
NO
Is about 11V at pin (10) of lC8803 1
NO
Is the correct voltage at the
loading motor terminal 1
NO
Does the loading motor run 7
Replace the cassette cam, gear,
etc.
I
FLOW CHART NO. l-4
I
.
See FLOW CHART NO. 1-6.
Check the reel disk and reel drive
unit.
Check the take up reel sensor and
all the way to IC8801.
Check between pin (6) of lC8803
and all the way up to pin (7) of
Check between lC8803 and all
the way up to the loading motor.
Replace the loading motor.
SYSTEM CONTROL TROUBLESHOOTING
No power.
Does power control (H) signal at
pin (24) of IC8801 change from"L'
to "H" level when power key is
I oressed?
NO
Is the PC 5V line normal 1
YES
Check peripheral circuit for poor
soldering and wire harness to
mechanism or the sensor input to
FLOW CHART NO. 1-5
1
Check IClOOl and lC8801.
I
Check IC8801.
Check Q9911,Q9912 and 49917.
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