Test Mode - Sony STR-K790 - Lifier Service Manual

STR-K790
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.
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While depressing the DIMMER and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. The model name, destination and the software version are
displayed.
KEY CHECK MODE
Button check
Procedure:
1. While depressing the MUSIC and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
"REST 08" 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 SLEEP and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. All segments turn on.
SP A ; D EX ; PL II x ;
LFE
SW
SP B HDMI COAX
L C R
SL S SR
SBL SB SBR
3. Turn the INPUT SELECTOR dial.
LFE x
SP B
4. Turn the INPUT SELECTOR dial once again.
; D ;
SW
C
SL SR
SBL SB SBR
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.
10
SECTION 2

TEST MODE

PL OPT DTS-ES 96 / 24 CAT RDS ST
MEMORY
NEO:6 SAT D.RANGE MONO
dB
k Hz
mft.
MHz
RDS
COAX NEO:6 D.RANGE MONO
k
m
MHz
PL DTS CAT
MEMORY
dB
Hz
ft.
SWAP ALL MODE
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
1. While depressing the DIMMER and the DISPLAY 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 SLEEP and the DISPLAY buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. "CLEARED" appears and switch off the set.
PROTECTOR AUTO OFF
Procedure:
1. While depressing the MOVIE and the DISPLAY buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. " PROT. EVER" appears and switch off the set.
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 MOVIE 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 TEST MODE
The VACS feature of the amplifier is turned off purposely.
Procedure:
1. While depressing the MOVIE and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. "VACS OFF" appears. (8 second)
ST