5-154
GY-8240UWD
GY-8240FC
3x07
Description:
S or T reel is idling.
Possible cause:
.
Failure of cassette compartment, or improperly installed
*
Reel does not rotate because cassette is raised from standard position.
.
Failure of S side or T side reel FG sensor (in motor), or improper adjustment of
clearance
.
Failure of S side or T side reel FG amplifier (SV-205 board)
.
Failure of S side or T side reel drive circuit (SV-205 board)
.
Improper servo adjustment related to S side or T side reel
.
Disconnection of harness
3x08
Description:
S reel overcurrent
Possible cause:
.
Failure of cassette compartment, or improperly installed
*
Reel does not rotate because cassette is raised from standard position.
.
Failure of S reel drive circuit (SV-205 board)
.
Failure of S reel motor
.
Faulty T reel brake
.
Failure of T reel brake solenoid drive circuit (SV-205 board)
3x09
Description:
T reel overcurrent
Possible cause:
.
Failure of cassette compartment, or improperly installed
*
Reel does not rotate because cassette is raised from standard position
.
Failure of T reel drive circuit (SV-205 board)
.
Failure of T reel motor
.
Faulty T reel brake
.
Failure of T reel brake solenoid drive circuit (SV-205 board)
3x0A
Description:
Capstan overcurrent
Possible cause:
.
Failure capstan drive circuit
.
Failure of capstan motor
.
Failure of capstan FG amplifier (SV-205 board)
.
Failure of IC (IC805 of SV-205 board) for capstan control
.
Improper adjustment of clearance at S side or T side reel FG detection area
.
Faulty S side or T side reel FG amplifier (SV-205 board)
.
Failure of S side or T side reel motor
.
Failure of S side or T side reel motor drive circuit (SV-205 board)
.
Improper adjustment of servo related to capstan, reel, S tension, and T tension
.
Faulty S side or T side reel brake
.
Failure of S side or T reel brake solenoid drive circuit (SV-205 board)
5-13. Troubleshooting