Sony STR-DH520, Service Manual

Page: 9 / 72

STR-DH520
9
SECTION 2
TEST MODE
AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE
(US, Canadian model only)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Turn the [INPUT SELECTOR] control to set AM and press the
[
?/1
] button to turn off the main power.
1. While depressing the [TUNING MODE] button, press the
[
?/1
] button to turn on the main power.
2. Either the message “9K STEP” or “10K STEP” appears for a
moment and select the 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 depressing the [] and the [DIMMER] buttons
simultaneously, press the [
?/1
] button to turn on the main power.
1. ALL segments light on.
L C R
SL S SR
SBL SB SBR
LH RH SW
COAX OPT
HDMI LFE DTS -ES NEO:6 S-AIR 96/24
DTS-HD MSTR HI RES LBR LPCM
RDS
AAC
TrueHD
SLEEP
D.RANGE
ST
D
PL II
+ EX
MHz
ft.
k Hz m
x z
dB
2. Press the [DISPLAY] button, con fi rm display.
L C R
SL S SR
SBL SB SBR
LH RH SW
COAX OPT
HDMI LFE DTS -ES NEO:6 S-AIR 96/24
DTS-HD MSTR HI RES LBR LPCM
AAC
TrueHD
SLEEP
D.RANGE
PL
+
ft.
k m
z
dB
3. Press the [DISPLAY] button, con fi rm display.
L R
S
SBL SBR
LH RH SW
COAX OPT
HDMI LFE DTS -ES NEO:6 S-AIR
96/24
DTS-HD MSTR HI RES LBR LPCM
RDS
TrueHD
SLEEP
D.RANGE ST
D
PL II
EX
MHz
Hz
x
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 depressing the [MUSIC] button, press the [
?/1
] button
to turn on the main power.
2. The message “S.F. CLEAR” appears for a moment and initial-
ization is performed.
SOFTWARE VERSION CHECK MODE
* The software version is displayed.
* Procedure:
1. While depressing the [TUNING MODE] and the [DISPLAY]
buttons simultaneously, press the [
?/1
] button to turn on the
main power.
2. The message “H5**MX.XX” appears.
**: Destination
3. Each time the [DISPLAY] button is pressed, “H.VER X.XX”
and “S.VER X.XX” appear in this order and return to the
“H5**MX.XX” display.
KEY CHECK MODE
* Button check
* Procedure:
1. While depressing the [] and the [MUTING] but-
tons simultaneously, press the [
?/1
] button to turn on the main
power.
2. The message “REST 12” appears.
3. Every pressing of any button other than the [
?/1
] counts down
the buttons. The buttons which are already counted once are
not counted again. When all buttons are pressed “REST 00”
appears.
SWAP ALL MODE
* The signal will be swap to all channel so that all speaker will
have sound output.
* Procedure:
1. While depressing the [TUNING MODE] and the [MOVIE/
HD-D.C.S.] buttons simultaneously, press the power [
?/1
]
button to turn on the main power.
2. “SWAP.MODE” appears. (No change while displayed.)
PROTECTOR AUTO OFF
* To disable auto off after protector occur.
* Procedure:
1. While depressing the [INPUT MODE] and the [A.F.D.] but-
tons simultaneously, press the power [
?/1
] button to turn on
the main power.
2. “PROT OFF” appears.
DCAC TEST MODE
Procedure:
1. While pressing [INPUT MODE] and the [MOVIE/HD-D.C.S.]
buttons, press the [
?/1
] button to turn on the main power.
2. The message “SOURCE” or “MIC” appears.
Repeat step 1 to toggle between “SOURCE” and “MIC”.
SOURCE: normal mode
MIC: mode that output audio from mic input.
INITIALIZE MODE
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
* Procedure:
1. While pressing the [TUNING MODE] and [DIMMER] but-
tons, press the [
?
/
1
] button to turn on the main power.
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 off.
(b) ALL CLEAR INITIALIZE
* Procedure:
1. While pressing the [TUNING MODE] and [MUTING] but-
tons, press the [
?
/
1
] button to turn on the main power.
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
* Procedure:
1. Hold the [
?
/
1
] button for 5 seconds.
2. The message “CLEARING” appears on the display.
3. After few seconds, “CLEARED” appears.