Other Errors; The Unit Cannot Be Turned On; The Splash Logo Is Not Started Repeatedly - Sony TRIMASTER EL BVM-E171 Service Manual

3-4.

Other Errors

3-4-1.

The Unit Cannot Be Turned On

The unit cannot be turned on.
(OPERATE indicator does not
light.)
Is the power cable
connected correctly?
Yes
Is the fuse (F6000)
on the G board drown?
No
Are the fuses
(F3000, F3001)
on the G board
drown?
No
*1
Are D6513, D3009 ,
D3015, D7001, D7002,
and D7003 lit when
power is turned on?
No
Replace the G board.
(Refer to Section 4-8.)
3-4-2.

The Splash Logo Is Not Started Repeatedly

Factor
The BA board is not activated normally.
There is a problem with IC2500 that controls the system of the BA board and communication. Possible causes are shown
below.
• An error occurred in the power circuit on the BA board.
• An error occurred in IC2500.
• An error occurred in the communication path between IC2500 and CPU.
Unit status at an error
Because the CPU cannot check the BA board status, the splash logo status is maintained.
BVM-E171
No
Connect the power cord correctly.
Yes
Replace the fuse (F6000).
Yes
Replace the fuses
(F3000, F3001).
Yes
Replace the OLED module.
(Refer to Section 4-11.)
*1: D3009 lights only with DC input.
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