STR-DH810 - Sony Audio Service Manual (repair manual). Page 10

HISTORY  MODE
The state that the set is used is memorized.
Procedure:
1.  While pressing the [INPUT MODE] and [MUSIC] buttons, 

press the [

?/1

] button to turn on the power and “HISTORY” is 

displayed.

2.  Each time the [

M]/[m] buttons on the remote commander is 

pressed, the item is switched in order as follows.

 

Protector count

COUNT  xx

Total single power on time

SxxxxxHxxM

Sound fi eld

SOUNDFIELD

Input function

FUNCTION

Input mode

INPUT MODE

Digital select

DIG SELECT

Stream information

STREAMINFO

Signal confi guration

CONF xxxxx

Headphones

HEADPH xxx

Volume

VOL  xx

Bass

BASS  xxxdB

Treble

TREB  xxxdB

Level FL/FR

FL/R xxxxxx

Level SL/SR

SL/R xxxxxx

Level CT/SW

C/SW xxxxxx

Level BL/BR

BL/R xxxxxx

Total power on time

TxxxxxHxxM

Muting

MUTING xxx

Power on counter 
(Rebox test mode)

REBOX   xxxx

Protector status

PROT  xxxx

Temperature status

TEMP  xxxc

DIGITAL  MEDIA  PORT  TEST
Procedure:
1.  Connect the DMPORT check jig (Part No. J-2501-309-A) with 

the DMPORT jack (CN2005) on the DIGITAL board.

2.  While pressing the [TUNING MODE] and [MUSIC] buttons, 

press the [

?/1

] button to turn on the main power.

3.  The message “DMPORT T.” and “DMPORT OK” appears on 

the fl uorescent indicator tube and enter the digital media port 
test mode (Confi rmation of communication line).

 

When “NO DETECT”, “UART NG” and “UART TO” are dis-
played on the fl uorescent indicator tube, confi rm the connec-
tion of the DMPORT check jig, and enter the mode again.

 

Each time the [

>] button on the remote commander is 

pressed, the connect check and adaptor version check are 
switched.

 

Press the [

.] button on the remote commander, connected 

confi rmation of the DMPORT check jig is done again.

4.  To a pin-jack of the DMPORT check jig input information 

relevant to audio signal (sine-wave 1.0 Vrms) and composite 
video signal (white 100% 1.0 Vp-p, color bar, etc.).

5. Confi rm the output of speakers and monitor TV (Confi rmation 

of analog signal).

6.  To release from this mode, press the [

x] button on the remote 

commander.

 

SOFTWARE  VERSION  DISPLAY  MODE
The software version is displayed.
Procedure:
1.  While pressing the [TUNING MODE] and [DISPLAY] but-

tons, press the [

?/1

] button to turn on the main power.

2.  The message “H8 ** Mx.xx” appears. This is main micro-

processor version.

 

**: destination, x.xx: software version

3.  Press the [DISPLAY] button on the remote commander, HDMI 

micro-processor version or DSP fi rmware version is changed.

 

HDMI micro-processor version “H. Ver x.xx” appears.

 DSP 

fi rmware version “S. Ver x.xxH81” appears.

KEY  CHECK  MODE
Button check.
Procedure:
1.  While pressing the [TUNING +] and the [MUTING] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “REST 14” appears.
 

Every pressing of any button other than the [

?/1

] counts down 

the buttons. The buttons which are already counted once are 
not counted again. When all buttons are pressed “REST 00” 
displayed.