Sharp VC-MH705HM/LM

35
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
Loading motor turns in reverse
direction and master cam
clockwise.
CASSETTE INSERTION STOP
Cassette
inserting
Full-
loading
YES
YES
YES
NO
NO
Loading motor starts in forward
direction and master cam counter
clockwise.
Does mechanism position sw.
come off within 2.5 sec.?
Are start/end sensors at low level
before cassette insertion ?

Insert cassette.
Drum motor starts.
Tape loading.
Pinch roller comes into contact.
Mode switch is at PB position.
Loading motor stop.
NO
Unloading
Is drum FG pulse outputted ?
End
End
Cassette is ejected and loading
motor stops.
Start sensor close.
(Cassette is judged
caught halfway.)
(Cassette LED or some other part
is judged defective.)
6. MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE
MECHANISM OPERATION FLOWCHART
* This flowchart describes the outline of the mechanism’s operation, but does not give its details.
1
0
1
1
1
1
1
1
1
1
1
0
1
0
1
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
1
0
0
0
1
0
1
0
0
0
1
0
S Sensor
Open
Close
1
1
1
0
0
0
0
0
0
0
1
1
1
1
0
1
1
0
CS/EJ
ULD
PU1
PU2
VSR
PB
SLOW
FF
STOP
Code 1
Code 2
S Sensor
EJ UL PU PU2 VSR PB SLW FF STP
0
1
1
0
1
1
0
0
0
0
0
1
0
0
1 or 0
Code 1
(Mode SW/outside)
Code 2
(Mode SW/inside)
Mecha Mode
60
0 120 180
240
300 360
Mecha Mode
Mode check
Cam mark
Code 1
(Mode SW/outside)
Code 2
(Mode SW/inside)
CS/EJ UL PU1 PU2 VSR
PB
STILL
SLOW
REW
FF
STOP
www.freeservicemanuals.info
6/17/2019
Digitized in Heiloo the Netherlands
Not for sale!