Sharp VC-MH80 Service Manual page 46

1. FFlRON FAILURE (NO TAPE WINDING)
Press FF key.
NO
Does loading
motor operate ?
Modes changing NO
smoothly through -
cam switch 1
YES
Loading motor
control system in
trouble.
Does capstan
NO
Are Vcol2V and
motor turn in FF (or +
YES
Replace the
capstan motor.
NO
Are idler gear and Replace the idler
reel disk in mesh ?
YES
The cassette tape
is presumably
damaged.
NO
Is voltage applied NO
Voltage supply
to loading mbtor ? -
system in trouble.
Loading motor is
damaged. Replace
it.
Mode sensor
system in trouble
malpositioned.
NO Voltage supply
2. REUF' LAY FAILURE (MODE RELEASE)
I
Is the master cam NO Does loading
at PB position ? motor operate ?
I
NO
Does capstan Are Vcoi 2V and
motor turn ?
YES
YES
Replace the
capstan motor.
Replace the idler
Are idler gear and NO
reel disk in mesh ?
ass' y.
YES
Check main F%VB.
NO
Is voltage applied NO Voltage supply
to loading motor ? system in trouble.
NO Voltage supply
system in trouble.