STR-DE235 - Sony Audio Service Manual (repair manual). Page 5

All preset contents are cleared when this mode is activated. When
returning the unit to the customer after completing repairs, per-
form this operation to clear the unit.

Procedure:
1. While pressing two buttons of 

[TUNER]

 and 

[MD/TAPE]

 si-

multaneously, press the  

1/u

  button to turn the power ON.

2. The message “INITIAL” appears and initialization is per-

formed.

All fluorescent segments are tested. When this test is activated, all
segments turn on at the same time, then each segment turns on one
after another.

Procedure:
1. While pressing two buttons of 

[TV/LD]

 and 

[DIRECT]

 simul-

taneously, press the  

1/u

  button to turn the power ON.

2. All segments turn on at the same time, then each segment and

LED turns on one after another.

3. The message “FINISH” appears when this test is complete.

To auto-scanning and memories of RDS station.

Procedure:
1. While pressing the 

[MEMORY]

 button, press the

 

1/u

   button to turn the power ON.

2. The message “AUTO BET” appears and each function is se-

lected one after another.

The software version is displayed.

Procedure:
1. While pressing two the buttons of 

[MD/TAPE]

 and 

[DIRECT]

simultaneously, press the  

1/u

  button to turn the power ON.

2. The software version is displayed.

All SOUND FIELD setting are cleared.

Procedure:
1. While pressing the 

[SOUND FIELD ON/OFF]

 button, press

the  

1/u

  button to turn the power ON.

2. The message “SURR CLR” appears and all SOUND FIELD

setting are cleared.

– 5 –

– 6 –

2

connectors
(CNP901)

4

rear panel section

3

two screws
(BVTP3 

×

 8)

3

seven screws
(BVTP3 

×

 8)

3

four screws
(BVTP3 

×

 8)

1

flat wire (CNS401)

2

connector
(CNS802)

2

connector
(CNP702)

2

connector
(CNP801)

2

two connectors
(CNP703, 704)

4

PC board holder

3

three screws
(BVTP3 

×

 8)

3

three screws
(BVTP3 

×

 8)

5

MAIN board

1

three flat wires
(CNS204, 403, 701)