Test Mode - Sony STR-K740P Service Manual

STR-K740P/K840P
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, press the power ?/1 button to turn on the main power.
The message "FACTORY" appears and switch off the set.
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, press the power ?/1 button again. The message
"FACTORY" appears and the present contents are reset to the
default values.
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:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the
PRESET+ button, press the power ?/1 button to turn on the
main power. Either the message "9 k STEP" or "10 k STEP"
appears. Select the desired step.
* For US/Canadian/E model only
SPEAKER SIZE SELECTION MODE
*Either Normal Speaker or Micro Satellite Speaker can be selected.
*Procedure:
While depressing the LEVEL button, press the power ?/1 button
to turn the main power.
Either the message "NORM. SP." or "MICRO SP." is displayed.
Select the desired speaker size.
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:
While depressing the MD/TAPE and the SHIFT buttons simul-
taneously, press the power ?/1 button to turn on the main power.
1. All segments turn on.
SLEEP DIGITAL PRO LOGIC DTS MPEGSTEREO MONO RDS
D D
SW
SP.OFF OPT COAX MULTI CH IN
L C R
( ( ( L F E ) ) )
SL S SR
MULTI CHANNEL DECODING , Digital Cinema Sound ,
A.F.D. , MODE , 2CH and SET UP LED turn on.
2. Press the VIDEO button, confirm display.
SLEEP PRO LOGIC
D D
SW
COAX
L R
L F E
S
A.F.D. , MODE , LEVEL , SET UP , and Digital Cinema Sound
LED turn on.
6
SECTION 2

TEST MODE

MEMORY
D.RANGE EQ TA NEWS INFO MUTING
dB
kHz
mft.
MHz
MPEGSTEREO RDS
D.RANGE TA INFO MUTING
k
m
MHz
3. Press the VIDEO button, confirm display
DIGITAL
SP.OFF OPT MULTI CH IN
C
( ( ( ) ) )
SL SR
MULTI CHANNEL DECODING , 2CH , SURR and NAME
LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each
segment and LED one after another in the same order.
(Not only the VIDEO button, but also the other buttons such as
DVD/LD , TV/SAT , MD/TAPE , CD , TUNER and AUX can
be used.)
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:
While depressing the MODE button, press the power ?/1 button
to turn on the main power.
The message "SURR. CLR." appears and initialization is
performed.
DEMONSTRATION MODE
* Demonstration is performed.
* Procedure :
While depressing the SET UP button, press the power ?/1
button. The message appears and demonstration is performed.
* To finish DEMONSTRATION MODE, press the power ?/1
button while the introduction message appears in the display.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the ENTER and the A.F.D buttons
simultaneously, press the power ?/1 button to turn on the main
power. The model name, destination and the software version are
displayed.
KEY CHECK MODE
* Button check
* Procedure:
While depressing the VIDEO 1 and the SHIFT buttons
simultaneously, press the power ?/1 button to turn on the main
power.
"REST 39" appears. (AEP, UK, model: "RESET 38")
Every pressing of any button other than ?/1 and SPEAKERS
counts down the buttons. The buttons which are already counted
once are not counted again. When all buttons are pressed "REST
00" appears.
When MASTER VOLUME is rotated in clockwise direction,
"VOL MIN", "VOL 1" to "VOL 48", "VOL MAX" appear.
DTS MONO MEMORY
EQ NEWS
dB
Hz
ft.