STR-DN610 - Sony Audio Service Manual (repair manual). Page 9

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 [ r ] [ R ] key of remote commander is pressed, 

the item is switched in order as follows.

Protector count

COUNT xx

Total single power on time

xxxxxHxx

Sound fi eld

SND FLD

Input function

FUNCTION

Input mode

INP MODE

Digital select

DIG IN

Stream information

STREAM

Signal confi guration

CO xxxxx

Headphones

HP xxx

Volume

VOL xx

Bass

BASS xxx

Treble

TREB xxx

Level FL/FR

F xxxxxx

Level SL/SR

S xxxxxx

Level CT/SW

CW xxxxxx

Level SBL/SBR

B xxxxxx

Total power on time

xxxxx Hxx

Muting

MUTE xxx

Power on counter
(Rebox test mode)

REBx.xxxx

Protector Type

PROT xxxx

Temperature when protect

TEM xxxx

DCAC FACTORY TEST MODE
DCAC Factory Test mode have two stages:
1.  DCAC DSP Data Line Checking
2.  DCAC board Checking

Factory Test System Setup

1.  When power off:
 

Press the three buttons [MEMORY/ENTER] + [MOVIE] +  
[

?/1

].

 “DCAC

[]

FTM” appears.

 

Afterward, press the [DISPLAY] to start DCAC factory test 
mode.

1. DCAC DSP Data Line Checking
After press the [DISPLAY], DCAC Factory test mode will start, 
below display will show:
“DCAC

[][][]

x”  x=1, 2, 3, 4

If there is error happen, below display will show:

“ERR

[]

SD0x” x=1 

t D1501 or R1530 problem

 x=2 

t D1502 problem

 x=3 

t D1503 problem

 x=4 

t D1504 problem

2. DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL micro-
phone. Turn [MASTER VOLUME] jog, there will be test tone 
sound output from front left speaker, and the display will change 
accordingly.

“AD

[]

-

[]

xxx” 

xxx=0 to 255 (depends on loudness of test tone)

Note:
When the value reaches more than 222, the test tone will muted 
(for production line checking). Thus, the AD value will drop to 0. 
To check the AD value again, power off the receiver and re-enter 
the test mode.