DOWNLOAD Sony STR-DA2ES / STR-DB1080 Service Manual ↓ Size: 9.93 MB | Pages: 109 in PDF or view online for FREE

9

1

wire (flat type) (9 core) (DB1080)
wire (flat type) (15 core) (DA2ES)
(CN201)

4

video AU board

2

connector
(CN202)

3

two screws (BV/RING)

3

screw (BV/RING) 
(DB1080: AEP, UK models)

3

screw (BV/RING) 
(DA2ES)

1

wire (flat type) (31 core)
(CN1101)

2

four connectors
(CN1106, CN1108, CN1109, CN1110)

6

five screws
(BV/RING)

8

digital board

7

two connectors
(CN1102, CN1103)

4

bracket (digital 3)

5

screw
(BVTP3 

× 

8)

3

screw
(BVTP3 

× 

8)

3

screw
(BVTP3 

× 

8)

Note: When installing the digital board (CN1101), connecting the wire (flat type) (31 core) 

to the digital board beforehand improves the operatability.

10

3

two screws
(BVTP3 

× 

8)

3

two screws
(BVTP3 

× 

8)

4

screw (BVTP3 

× 

8)

2

eight screws 
(BV/RING)

1

three connectors
(CN801, CN803, CN805)

1

connector 
(CN902)

5

6

connector (CN809)

7

twelve screws
(transistor)

6

six connectors
(CN681, CN631, CN431, CN481, CN531, CN581)

9

main board,
mix board

8

heat sink

11

All preset contents are reset to the default setting.
Procedure:
1. While pressing the 

[DIMMER]

 and 

[SET UP]

 buttons, press

the 

/1

button to turn on the main power.

2. The message “TUNER FACTORY PRESET” appears and the

present contents are reset to the default values.

Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. While pressing the 

[PRESET TUNING +]

  or 

[TUNING +]

button, press the  

/1

button to turn on the main power.

2. Either the message “AM 9 kHz Step” or “AM 10 kHz Step”

appears. Select the desired step.

Procedure:
1. While pressing the 

[MEMORY]

 button, press the  

/1

button

to turn on the main power.

2. The message “Autobetical select” appears and scans and stores

all the FM and FM RDS stations in the broadcast area.

3. When done, the message “Autobetical finished” appears.

The preset sound field is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the 

[MODE +]

 button, press the

/1

button to

turn on the main power.

2. The message “S.F Initialize” appears and initialization is

performed.

All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the 

[AUTO DEC.]

 and 

[MODE +]

 buttons, press

the 

/1

button to turn on the main power.

2. The message “MEMORY CLEARED !” appears and the

memories are reset to the default values.

Procedure:
1. Press the 

/1

button to turn on the main power.

2. Press two buttons of 

[CINEMA STUDIO EX]

 and 

[ENTER]

simultaneously.

3. The message “MENU SPECIALIZED !” appears and menu

expand turn on.

4. Press two buttons of 

[CINEMA STUDIO EX]

 and 

[ENTER]

simultaneously once again.

5. The message “MENU SPECIALIZED OFF” appears and menu

expand turn off.

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 the 

[DISPLAY]

 and 

[ENTER]

 buttons, press

the

/1

button to turn on the main power.

2. All segments turn on at the same time.

Procedure:
1. While pressing the 

[DISPLAY]

 and 

[2CH ST]

 buttons, press

the

/1

button to turn on the main power.

2. The message “SWAP MODE !” appears and swap mode turn

on.

12

Procedure:
1. Short the CN306 pin 4 on the VIDEO board to the GND.
2. Connect a frequency counter to the CN306 pin 2  on the

VIDEO board.

3. Press the 

/1

button to turn on the main power.

4. Press the 

[CUSTOMIZE]

 button.

5. Press the 

[>]

 button to display “COLOR SYSTEM”.

6. Turn the JOG DIAL to display “NTSC”.
7. Press the 

[>]

 button to display “OSD H.POSITION”.

8. Adjust the CT302 so that the frequency counter reading is

3.57954 MHz.

9. Press the 

[<]

 button to display “COLOR SYSTEM”.

10. Turn the JOG DIAL to display “PAL”.
11. Press the 

[>]

 button to display “OSD H.POSITION”.

12. Adjust the CT301 so that the frequency counter reading is

4.43361 MHz.

13. Press the 

/1

button to turn off the main power.

14. Connect a frequency counter to the CN306 pin 1  on the

VIDEO board.

15. Press the 

/1

button to turn on the main power.

16. Press the 

[CUSTOMIZE]

 button.

17. Press the 

[>]

 button to display “OSD V.POSITION”.

18. Adjust the CT303 so that the frequency counter reading is 7.20

MHz.

The steps 5, 6 and 9 to 12 should be performed to the models except
for the STR-DA2ES and STR-DB1080: Korean.

VIDEO board

CN306 pin 

1

 or pin 

2

+
–

frequency counter

IC306

CN306

CT303

IC305

IC304

IC310

CT302 CT301

1

4