Read Sony MHC-V5 (serv.man3) Service Manual online
25
3-12. Circuit operation (Emergency 2)
Page 41
E5: If +61V/-61V for AMP
circuit is not supplied,
System controller
shows error message of
“PROTECT E03“.
circuit is not supplied,
System controller
shows error message of
“PROTECT E03“.
E7: If over current is
detected in USB
connection circuit,
System controller
shows error
message of
“OVER CURRENT“.
detected in USB
connection circuit,
System controller
shows error
message of
“OVER CURRENT“.
E6: A thermistor near to ventilator
detects the input air condition.
And, speaker voice coil
temperature is calculated with
playback condition and so on.
Then, System controller (IC101)
adjust the sound level
automatically.
detects the input air condition.
And, speaker voice coil
temperature is calculated with
playback condition and so on.
Then, System controller (IC101)
adjust the sound level
automatically.
E4: If Thermistors near to the boosters
on AMP board detect high
temperature of AMP circuit,
System controller show error
message of “Protector E05”.
on AMP board detect high
temperature of AMP circuit,
System controller show error
message of “Protector E05”.
E9: If AC cord is pull off,
it is detected by SWR
board and output to
System controller.
System controller
starts shut down
operation.
(Muting, etc.)
it is detected by SWR
board and output to
System controller.
System controller
starts shut down
operation.
(Muting, etc.)
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