Sony STR-DH820, Service Manual

Page: 11 / 108

STR-DH820
11
SECTION 3
TEST MODE
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 [
?/1
] button to turn on the main power.
2. Turn the [INPUT SELECTOR] button to select the “AM
TUNER”.
3. Press the [
?/1
] button to turn off the main power.
4. While pressing the [TUNING MODE] button, press the [
?/1
]
button to turn on the main power.
5. Either the message “AM 9k Step” or “AM 10k Step” appears,
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 [SPEAKERS] and the [DIMMER] buttons
simultaneously, press the [
?/1
] button to turn on the main power.
1. ALL segments light on.
LH SW RH
S SL SR
L C R
SBL SB SBR
ANALOG
D.L.L.
A.P.M.D.RANGE SIRIUS ST AAC
D.C.A.C. EQ RDS CAT MEM DTS – HD
'76±(6» LPCM SLEEP
MSTR HI RES LBR PARTY ZONE
SP
MHz
k Hz
dB m
A B
3
BI–AMP
HDMI OUT A B
HDMI COAX USB OPT MULTI ARC
D + EX HD NEO: 6 DSD True
LFE
PLII
x z
2. Press the [DISPLAY] control, con fi rm display.
LH SW RH
S SL SR
L C R
SBL SB SBR
PL
x z
ANALOG
D.L.L.
A.P.M D.RANGE SIRIUS ST AAC
D.C.A.C. EQ RDS CAT MEM DTS – HD
'76±(6» LPCM SLEEP
MSTR HI RES LBR S–AIR ZONE
SP
MHz
k Hz
dB m
A B
3
BI–AMP
HDMI OUT A B HDMI COAX OPT MULTI ARC D + EX HD NEO: 6 DSD True
LFE
II
3. Press the [DISPLAY] control, con fi rm display.
LH SW RH
S
SL SR
L C R
SBL SB SBR
PL II
x z
ANALOG
D.L.L.
A.P.M. D.RANGE SIRIUS ST AAC
D.C.A.C. EQ RDS CAT MEM DTS – HD
DTS – ES 9 » 4 LPCM SLEEP
MSTR HI RES LBR PARTY ZONE
SP
MHz
k Hz
dB m
A B
3
BI–AMP
HDMI OUT A B HDMI USB COAX OPT MULTI ARC D + EX HD NEO: 611 True
LFE
4. Press the [DISPLAY] control, 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 completion
of repair.
Procedure:
1. While pressing the [MUSIC] button, press the [
?/1
] button to
turn on the main power.
2. The message “S.F. CLEAR” appears and initialization is per-
formed.
KEY CHECK MODE
Button check.
Procedure:
1. While pressing the [SPEAKERS] and the [INPUT MODE]
buttons, press the [
?/1
] button to turn on the main power.
2. The message “REST 13” appears.
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”
displayed.
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 re-
set 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 [INPUT MODE]
buttons, press the [
?/1
] button to turn on the main power.
2. The message “CLEARING” appears and the memories are
re-set to the default values.
3. When done, the message “CLEARED !” appears.
(c) USER INITIALIZE
Procedure:
1. Hold the [
?/1
] for 5 seconds.
2. The message “CLEARING” appears on the display.
3. After a few seconds, “CLEARED !” appears.
SWAP MODE
The signal will be swap to all channel so that all speaker will have
sound output.
Procedure:
1. While pressing the [TUNING MODE] and [MOVIE] buttons,
press the [
?/1
] button to turn on the main power.
2. The message “SWAP MODE” appears (No change while dis-
played).
3. Press [
,
] button and then press [
M
]/[
m
] buttons on the re-
mote commander to select swap mode type.
PROTECTOR OFF MODE
This mode switching on/off the protector to investigate the cause
of the protector.
Procedure:
1. While pressing the [TONE MODE] and [A.F.D.] buttons,
press the [
?/1
] button to turn on the main power.
2. “PROT OFF” appears and switch off the set.
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While pressing the [TUNING MODE] and [DISPLAY] but-
tons, press the [
?/1
] button to turn on the main power.
2. The message “H8 ** Mx.xx” appears. This is main micro-
processor version.
**: destination, x.xx: software version
3. Press the [DISPLAY] button on the remote commander, HDMI
micro-processor version or DSP fi rmware version is changed.
VIDEO micro-processor version “H. Ver x.xx” appears.
DSP fi rmware version “S. Ver x.xx” appears.
Hudson II fi rmware version “F. Ver x.xx” appears.
DCAC TEST MODE
Procedure:
1. While pressing the [TONE MODE] and the [MOVIE] buttons,
press the [
?/1
] button to turn on the main power.
2. The message “SOURCE” or “MIC” appears.
SOURCE: normal mode
MIC: mode that output audio from mic input