STR-K885 - Sony Audio Service Manual (repair manual). Page 10

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10
STR-K885
DSP Data Line
Check
Start
Pass
Pass
Auto Cal Mic
Check
END
SECTION 2
TEST MODE
SOUND FIELD CLEAR MODE
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 depressing the  2CH  button, press the power  ?/1
button to turn on the main power.
2. The message “S.F. CLR.” appears and initialization is
performed. (3 second)
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While depressing the  AUTO CAL  and the  DISPLAY  buttons
simultaneously, press the power  ?/1  button to turn on the
main power.
2. The model name, destination and the software version are
displayed. (8 second)
KEY CHECK MODE
Button check
Procedure:
1. While depressing the  AUTO CAL  and the  2CH  buttons
simultaneously, press the power   ?/1  button to turn on the
main power.
“REST 13” appears.
2. Every pressing of any button other than  ?/1  counts down
the buttons.  The buttons which are already counted once are
not counted again.
3. When all buttons are pressed “REST 00” appears.
FLUORESCENT INDICATOR TUBE TEST MODE
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 depressing the  TUNING MODE  and the  DISPLAY
buttons simultaneously, press the power  ?/1  button to turn
on the main power.
2. All segments turn on.
3. Turn the  INPUT SELECTOR  dial.
4. Turn the  INPUT SELECTOR  dial once again.
5. Turn the  INPUT SELECTOR  dial once again. All segments
turn off.
6. Every turning of the  INPUT SELECTOR  dial turns on each
segment one after another in the same order.
SWAP ALL MODE
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
1. While depressing the   AUTO CAL  and the  A.F.D.  buttons
simultaneously, press the power  ?/1  button to turn on the
main power.
2. “SWP. ALL” appears. (No change while displayed.)
SHIPMENT MODE
All preset contents are reset to the default setting.
Procedure:
1. While depressing the  AUTO CAL  and the  MUSIC  buttons
simultaneously, press the power  ?/1  button to turn on the
main power.
2. “CLEARED” appears and switch off the set.
PROTECTOR
If an error occurs, the “Protector Display” will flash for a while and
the power is turned OFF.
Procedure:
1. While depressing the  TUNING MODE  and the  A.F.D.
buttons simultaneously, press the power  ?/1  button to turn
on the main power.
2. “PROT. EVER” appears (3 seconds) and the display returns
to the “Protector Display” and the power remains ON.
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Set the FUNCTION to AM.  Turn off the main power.
2. While depressing the  TUNING MODE  button, press the
power  ?/1  button to turn on the main power.
3. Either the message “9 k STEP” or “10 kSTEP” appears.  Select
the desired step.
VACS CONTROL
The VACS feature of the amplifier is turned off purposely.
Procedure:
1. While depressing the  MEMORY/ENTER  and the  2CH
buttons simultaneously, press the power  ?/1  button to turn
on the main power.
2. “VACS OFF” appears. (8 second)
DCAC FACTORY TEST MODE
DCAC Factory Test mode have two stages:
1. DCAC DSP Data Line Checking
2. DCAC board Checking
MEMORY
L
C
R
SL
S
SR
SB SBR
SBL
SW
LFE
SP A
SP B
CAT
NEO:6
SAT
D.RANGE
RDS ST
MONO
DTS-ES
96 / 24
HDMI
COAX
D EX
;
OPT
;
PL II x
;
PL
dB
k Hz
mft.
MHz
L
R
S
LFE
SP B
NEO:6
D.RANGE
MONO
COAX
k
m
MHz
RDS
x
-ES
EX
HDMI
SAT
MEMORY
CAT
-ES
OPT
EX
SPA
LFE
dB
Hz
ft.
ST
MONO
SAT
96/24
NEO:6
HDMI
SPB
COAX
D.RANGE
COPKllx
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