34
VC-S2000HM
MECHANISM TROUBLESHOOTING
1. FF/REW FAILURE (NO TAPE WINDING)
Press FF key.
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Is master cam at
FF position ?
Does loading
motor operate?
Modes changing
smoothly through
cam switch ?
Loading motor
control system
in trouble.
Are Vco 12V and
Vcc 5V applied ?
Replace the
capstan motor.
Replace the idler
ass’y.
Replace the reel
sensor.
Is voltage applied
to loading motor ?
Loading motor is
damaged. Replace
it.
Voltage supply
system in trouble.
Mode sensor
system in trouble
or master cam
malpositioned.
Voltage supply
system in trouble.
Does capstan
motor turn in FF (or
REW) direction ?
Are idler wheel
ass’y and reel disk
in mesh ?
Is the pulse
outputted from reel
sensor ?
The cassette tape
is presumably
damaged.
2. REC/PLAY FAILURE (MODE RELEASE)
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Is the master cam
at PB position ?
Does loading
motor operate ?
Modes changing
smoothly through
cam switch ?
Loading motor
control system
in trouble.
Are Vco 12V and
Vcc 5V applied ?
Replace the
capstan motor.
Replace the idler
ass’y.
Replace the reel
sensor.
Is voltage applied
to loading motor ?
Loading motor is
damaged. Replace
it.
Voltage supply
system in trouble.
Voltage supply
system in trouble.
Does capstan
motor turn ?
Are idler wheel
ass'y and reel disk
in mesh ?
Is the pulse
outputted from reel
sensor ?
Check main PWB.
Summary of Contents for VC-S2000HM
Page 53: ...53 VC S2000HM 8 BLOCK DIAGRAM POWER CIRCUIT BLOCK DIAGRAM ...
Page 54: ...55 54 VC S2000HM VC S2000HM SYSTEM SERVO BLOCK DIAGRAM ...
Page 55: ...57 56 VC S2000HM VC S2000HM SIGNAL FLOW BLOCK DIAGRAM 1 2 ...
Page 56: ...59 58 VC S2000HM VC S2000HM SIGNAL FLOW BLOCK DIAGRAM 2 2 ...
Page 57: ...61 60 VC S2000HM VC S2000HM AUDIO BLOCK DIAGRAM ...
Page 66: ...76 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J VC S2000HM OPERATION R CIRCUIT ...
Page 79: ...76 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J VC S2000HM OPERATION R CIRCUIT ...
Page 80: ...57 56 VC S2000HM VC S2000HM SIGNAL FLOW BLOCK DIAGRAM 1 2 ...
Page 81: ...59 58 VC S2000HM VC S2000HM SIGNAL FLOW BLOCK DIAGRAM 2 2 ...
Page 82: ...55 54 VC S2000HM VC S2000HM SYSTEM SERVO BLOCK DIAGRAM ...
Page 83: ...53 VC S2000HM 8 BLOCK DIAGRAM POWER CIRCUIT BLOCK DIAGRAM ...
Page 84: ...61 60 VC S2000HM VC S2000HM AUDIO BLOCK DIAGRAM ...