DOWNLOAD Sony STR-DH820 Service Manual ↓ Size: 7.02 MB | Pages: 104 in PDF or view online for FREE

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TUNER AM STEP CHANGE MODE
(US and Canadian models only) 
Either the 9 kHz step or 10 kHz step can be selected for the AM 
channel step.
Procedure:
1.  Press the [

?/1

] button to turn on the main power.

2.  Turn the [INPUT SELECTOR] button to select the “AM 

TUNER”.

3.  Press the [

?/1

] button to turn off the main power.

4.  While pressing the [TUNING MODE] button, press the [

?/1

] 

button to turn on the main power.

5.  Either the message “AM 9k Step” or “AM 10k Step” appears, 

select the desired step.

VACUUM FLUORESCENT DISPLAY TEST MODE
All fl uorescent segments are tested.
When this test is activated, all segments light on at the same time, 
then each segment lights on one after another.
Procedure:
While depressing the [SPEAKERS] and the [DIMMER] buttons 
simultaneously, press the [

?/1

] button to turn on the main power.

1.  ALL segments light on.

 

ANALOG

D.L.L.

A.P.M.D.RANGE SIRIUS ST AAC

D.C.A.C. EQ RDS CAT MEM

DTS – HD

'76±(6» LPCM SLEEP

MSTR HI RES LBR

PARTY ZONE

SP

A B

 3

BI–AMP

HDMI OUT A B

HDMI COAX

USB

OPT MULTI ARC

D + EX

HD NEO: 6 DSD

True

LFE

PLII

x z

2.  Press the [DISPLAY] control, confi rm display.

 

PL

x z

ANALOG

D.L.L.

A.P.M

D.RANGE SIRIUS ST AAC

D.C.A.C. EQ RDS CAT MEM

DTS – HD

'76±(6» LPCM

SLEEP

MSTR HI RES LBR

S–AIR ZONE

SP

A

B

3

BI–AMP

HDMI OUT A B

HDMI COAX OPT MULTI

ARC

D + EX

HD

NEO: 6 DSD

True

LFE

II

3.  Press the [DISPLAY] control, confi rm display.

 

PL

II

x 

z

ANALOG

D.L.L.

A.P.M.

D.RANGE SIRIUS ST AAC

D.C.A.C. EQ RDS CAT MEM

DTS – HD

DTS – ES 9»4 LPCM

SLEEP

MSTR HI RES LBR

PARTY ZONE

SP

A

B

3

BI–AMP

HDMI OUT A B

HDMI

USB

COAX OPT MULTI

ARC

D + EX

HD

NEO: 611

True

LFE

4.  Press the [DISPLAY] control, all segments light off.

SOUND  FIELD  CLEAR  MODE
The preset sound fi eld 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 [MUSIC] button, press the [

?/1

] button to 

turn on the main power.

2.  The message “S.F. CLEAR” appears and initialization is per-

formed.

KEY  CHECK  MODE
Button check.
Procedure:
1.  While pressing the [SPEAKERS] and the [INPUT MODE] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “REST 13” 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.

INITIALIZE  MODE
All preset contents are cleared when this mode is activated. Use 
this mode before returning the product to clients upon completion 
of repair.
(a)  SHIPMENT MODE
Procedure:
1.  While pressing the [TUNING MODE] and [DIMMER] but-

tons, press the [

?/1

] button to turn on the main power.

2.  The message “CLEARING” appears and the memories are re-

set to the default values.

3.  When done, the message “CLEARED !” appears, the set will    

power off.

(b)  ALL CLEAR INITIALIZE
Procedure:
1.  While pressing the [TUNING MODE] and [INPUT MODE] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “CLEARING” appears and the memories are     

re-set to the default values.

3.  When done, the message “CLEARED !” appears.
(c)  USER INITIALIZE
Procedure:
1.  Hold the [

?/1

] for 5 seconds.

2.  The message “CLEARING” appears on the display.
3.  After a few seconds, “CLEARED !” appears.

SWAP  MODE
The signal will be swap to all channel so that all speaker will have 
sound output.
Procedure:
1.  While pressing the [TUNING MODE] and [MOVIE] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “SWAP MODE” appears (No change while dis-

played).

3.  Press [

,] button and then press [M]/[m] buttons on the re-

mote commander to select swap mode type.

PROTECTOR  OFF  MODE
This mode switching on/off the protector to investigate the cause 
of the protector.
Procedure:
1.  While pressing the [TONE MODE] and [A.F.D.] buttons, 

press the [

?/1

] button to turn on the main power.

2.  “PROT OFF” appears and switch off the set.

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.

 

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

 DSP 

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

 

Hudson II fi rmware version “F. Ver x.xx” appears.

DCAC  TEST  MODE
Procedure:
1.  While pressing the [TONE MODE] and the [MOVIE] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “SOURCE” or “MIC” appears.
 

SOURCE: normal mode

 

MIC: mode that output audio from mic input

HISTORY  MODE
The state that the set is used is memorized.
Procedure:
1.  While pressing the [TONE 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

Level LH/RH

HL/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

USB  UPDATE  TEST  MODE
To update Main MCU, Video MCU, DSP serial fl ash and Hudson 
II software through USB.
Procedure:
1.  Plug in USB device in power off condition.
2.  While pressing the [TONE MODE] and the [DISPLAY] but-

tons, press the [

?/1

] button to turn on the main power.

3.  The message “UPDATING” appears.
4.  If the updating progress succeed, the message “COMPLETE” 

appears.

5.  If the updating progress fail, the message “ERROR” appears.

USB  UPDATE  VERSION  MODE
Function that displays the version number to check whether SPDIF 
update is necessary or not.
Procedure:
1.  While pressing [TONE MODE] and [DIMMER] buttons, 

press the [

?/1

] button to turn on the main power.

2.  The message “VER X.XXX” is displayed. “X.XXX” is calcu-

lated by adding all fi rmware version.

 Example:
 

(MAIN ver. + DSP ver. + HDMI ver. + FARO ver. + 6)/10 = 
Displayed version

 

MAIN = 1.02, DSP = 1.01, HDMI = 1.00, FARO = 1.03

 

↓

 

(1.02 + 1.01 + 1.00 + 1.03 + 6)/10 = 1.006

 

1.006 = X.XXX