STR-DA1000ES, STR-DB790 - Sony Audio Service Manual (repair manual). Page 5

5

PART No.

Model

PART No.

DB790

: AEP, UK

and Australian models

4-245-425-0

[]

DB790

: Singapore and

Malaysia models

4-245-425-1

[]

DB790

: Taiwan model

4-245-425-2

[]

DB790

: Chinese model

4-245-425-3

[]

DB790

: Korean model

4-245-425-4

[]

DA1000ES : US model

4-245-425-6

[]

DA1000ES : Canadian model

4-245-425-7

[]

If there is a malfunction, the display shows a code of two numbers and a message. You can check the condition of the system by message.
Refer to the following table to solve the problem.

messages

cause and response

DEC. EROR

Appears when the signal which the receiver can not decode (example DSD-CD) is input when
“DEC.” is set to “DEC. PCM”. Set to “DEC. AUTO”.

PROTECT

Irregular current output to the speakers. Turn off the receiver and check the speaker connection.
Then turn on the power again. Be comes this display, When short current flowed with breakage of
the power MOS, or when detection resistor becomes open in connection with it.