Sony STR-DH700, Service Manual

Page: 15 / 96

STR-DH700
15
HISTORY MODE
The state that the set is used is memorized.
Procedure:
1. While pressing the [TUNING MODE] and [2CH/A.DIRECT]
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.
Items Display
Protector count COUNT XX
Total single power on time SxxxHxxM
Sound fi eld SND FLD
Input function FUNCTION
Input mode INP MODE
Digital select DIGI IN
Stream information STREAM
Signal con fi guration CO xxxxx
Headphones HP xxx
Volume VOL xxx
Bass BASS xxx
Treble TREB xxx
Level FL/FR F xxx
Level CT CT xxx
Level SL SL xxx
Level SR SR xxx
Level SBL BL xxx
Level SBR BR xxx
Level SW SW xxx
Total power on time TxxxHxxM
Muting MUTE xxx
Power on counter
(Rebox test mode)
P.W. xxxxx
Protector Type PRT xxxx
Temperature when protect TEM xxxC
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.
DSP Data Line
Check
Start Pass Pass
Auto Cal Mic
Check
END
SPK Front Left
DCAC MIC
Receiver