Test Mode - Sony STR-DN850 Service Manual

TUNER AM STEP CHANGE MODE
(US and Canadian models only)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the [ ] button to turn on the main power.
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2. Turn the [INPUT SELECTOR] knob to select the "AM TUNER".
3. Press the [?/1] button to turn off the main power.
4. While pressing the [SPEAKERS] button, press the [?/1] but-
ton to turn on the main power.
5. Either the message "AM 10k Step" or "AM 9k Step" appears.
6. Repeat step (4) to select desired step.
VACUUM FLUORESCENT DISPLAY TEST MODE
All fl uorescent segments are tested.
When this test is activated, all segments light on at the same time,
then each segment lights on one after another.
Procedure:
While pressing [SPEAKERS] and [DIMMER] buttons simultane-
ously, press the [ / ] button to turn on the main power.
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1. ALL segments light on as below.
HDMI ARC PARTY S.OPTIMIZER D.C.A.C.
USB BT UPDATE A.P.M.ZONE 2 3 PLII x z NEO:6 X D.R.C. D.L.L.
COAX OPT
2. Press the [DISPLAY] button to confi rm display as below.
HDMI PARTY D.C.A.C.
USB UPDATE ZONE 3
OPT
3. Press the [DISPLAY] button to confi rm display as below.
ARC S.OPTIMIZER
PL x
BT A.P.M. 2
COAX
4. Press the [DISPLAY] button, all segments light off.
SOUND FIELD CLEAR MODE
The preset sound fi eld is cleared when this mode is activated.
Use this mode before returning the product to clients upon com-
pletion of repair.
Procedure:
1. While pressing [MUSIC] button, press the [
turn on the main power.
2. The message "S.F. CLEAR" appears for a moment and initial-
ization is performed.
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While pressing [A.F.D./2CH] and [PURE DIRECT] buttons
simultaneously, press the [
power.
2. The message "N85 XXX" appears.
XXX: Area display
Each time the [DISPLAY] button is pressed, "SYS vX.XXX",
"MAIN vX.XX", "VIDEO vX.XX", "ADV vX.XX",
"SFLASHvX.XX" and "NET vX.XX" appear in this order,
and returns to the "N85 XXX" display.
X.XX: Software version
SECTION 3

TEST MODE

True HD DTS-HD SPA+B ST HDMI OUT
EQ MEM RPT SLEEP
MHz
k Hz
dB
True HD -HD A B ST
II z 6 D.R.C. MEM SLEEP
MHz
HDMI OUT
DTS SP + A
NEO: X D.L.L. EQ RPT
k
dB
] button to
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/ ] button to turn on the main
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KEY CHECK MODE
Each button can be checked.
Procedure:
1. While pressing [SPEAKERS] and [PURE DIRECT] buttons
simultaneously, press the [
power.
2. The message "REST 12" appears.
Every pressing of any button other than the [
counts down the buttons.
3. The buttons which are already counted once are not counted
again.
4. When all buttons are pressed, "REST 00" appears.
SWAP ALL MODE
The signal will be swap to all channels so that all speakers will
have sound output.
Procedure:
1. While pressing [PURE DIRECT] and [MOVIE] buttons
simultaneously, press the [
power.
2. "SWAP MODE" appears.
INITIALIZE MODE
A + B
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
(a) SHIPMENT MODE
- Initialize backup of EEPROM and return to the state of the
A B
shipment.
Procedure:
Hz
1. While pressing [A.F.D./2CH] and [DIMMER] buttons simul-
taneously, press the [
2. The message "CLEARING" appears and the memories are
reset to the default values.
+ B
3. When done, the message "CLEARED !" appears, the set will
power off.
(b) ALL CLEAR INITIALIZE
- Initialize backup of EEPROM and return to the normal state.
Procedure:
1. While pressing [A.F.D./2CH] and [DISPLAY] buttons simul-
taneously, press the [
2. The message "CLEARING" appears and the memories are
reset to the default values.
3. When done, the message "CLEARED !" appears, the set will
power on.
(c) USER INITIALIZE
- Turn off the receiver.
Procedure:
1. Hold the [ / ] button for 5 seconds.
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2. The message "CLEARING" appears on the display.
3. After few seconds, "CLEARED !" appears.
PROTECTOR AUTO OFF
To disable auto off after protector occur.
Procedure:
1. While pressing [DISPLAY] and [MOVIE] buttons simultane-
ously, press the [
?
2. "PROTEVER" appears and switch on the set.
DCAC MIC TEST MODE
To test audio output from mic input and speakers.
Procedure:
1. While pressing [MUSIC] and [DIMMER] buttons simultane-
ously, press the [
?
2. The message "MIC" appears.
MIC: mode that output audio from mic input
STR-DN850
] button to turn on the main
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/ ] button to turn on the main
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/ ] button to turn on the main power.
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/ ] button to turn on the main power.
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/ ] button to turn on the main power.
1
/ ] button to turn on the main power.
1
] button
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