Read Sony CMT-X3CD (serv.man2) Service Manual online
CMT-X3CD
CMT-X3CD
21
21
2. Flow When “OVER CURRENT” is Displayed
3. Flow When “LOCKED” is Displayed
Check if the AUDIO
IN function and
headphone output
is OK.
IN function and
headphone output
is OK.
Check if the P7 (AUDIO IN jack) and
P8 (HEADPHONE jack) on the IN board.
P8 (HEADPHONE jack) on the IN board.
NG
OK
OK
NG
Replace the IN board.
NG
NG
Replace the NFC module. (See Note)
OK
– From the page 20 –
Replace the MA board. (See Note)
Check if the BT
AUDIO function and
NFC one touch
connection is OK.
AUDIO function and
NFC one touch
connection is OK.
Check if the NFC module is OK.
Replace the MA board. (See Note)
“OVER CURRENT” is
displayed on the VFD.
displayed on the VFD.
Disconnect the XP8 on the MA board and
AC power off, then power on and check again.
AC power off, then power on and check again.
Replace the IN board.
“OVER CURRENT”
is not displayed
is not displayed
“OVER CURRENT”
is displayed
is displayed
Replace the MA board. (See Note)
“LOCKED” is displayed
on the VFD when
[
on the VFD when
[
Z] button is pressed.
Press two buttons of the [ PAIRING FUNCTION]
and [VOL –] simultaneously for 5 seconds.
And the check if “UNLOCKED” is displayed on the
VFD.
and [VOL –] simultaneously for 5 seconds.
And the check if “UNLOCKED” is displayed on the
VFD.
NG
Replace the PW board.
Note: When replacing the MA board or the NFC module, be sure re-
place both at the same time. The MA board or the NFC module
cannot replace with single.
cannot replace with single.
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