Sony STR-DH710 Service Manual ▷ View online
STR-DH710
9
SECTION 2
TEST MODE
AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE
(US and Canadian only)
* Either the 9 kHz step or 10 kHz step can be selected for the
(US and Canadian only)
* Either the 9 kHz step or 10 kHz step can be selected for the
AM channel step.
* Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the main power.
2. Turn the [INPUT SELECTOR] buttons 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]
4. While pressing the [TUNING MODE] button, press the [?/1]
button to turn on the main power.
5. Either the message “9k STEP” or “10k STEP”.
6. After a few second, “AM 531
6. After a few second, “AM 531
kHz
” or “AM 530
kHz
” appears, se-
lect the desire step.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fl uorescent segments are tested.
When this test is activated, all segments light on at the same
* 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 [TUNING +] and the [DIMMER] but-
While depressing the [TUNING +] and the [DIMMER] but-
tons simultaneously, press the [
?
/
1
] button to turn on the main
power.
1. ALL segments light on.
LH
RH
SW
L
R
C
SBL
SBR
SB
SL
SR
S
x z
II
PL
D + EX
LFE
COAX
HDMI
OPT
-ES
MSTR
96/24
HI RES
NEO:6
LBR
S-AIR
LPCM
TrueHD
SLEEP
D.RANGE
AAC ST
dB RDS
k Hz m
MHz ft.
MHz ft.
DTS
DTS-HD
2. Press the [DISPLAY] control, confi rm display.
LH
RH
SW
L
R
C
SBL
SBR
SB
SL
SR
S
x
z
II
PL
D
+
EX
LFE
COAX
HDMI
OPT
-ES
MSTR
96/24
HI RES
NEO:6
LBR
S-AIR
LPCM
TrueHD
SLEEP
D.RANGE
AAC
ST
dB
RDS
k
Hz
m
MHz
ft.
DTS
DTS-HD
3. Press the [DISPLAY] control, confi rm display.
LH
RH
SW
L
R
C
SBL
SBR
SB
SL
SR
S
x
z
II
PL
D
+
EX
LFE
COAX
HDMI
OPT
-ES
MSTR
96/24
HI RES
NEO:6
LBR
S-AIR
LPCM
TrueHD
SLEEP
D.RANGE
AAC
ST
dB
RDS
k
Hz
m
MHz
ft.
DTS
DTS-HD
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
* 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 depressing the [MUSIC] button, press the [
1. While depressing the [MUSIC] button, press the [
?/1
] button
to turn on the main power.
2. The message “SF CLEAR” appears for a moment and initializa-
tion is performed.
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
* Procedure:
1. While pressing the [TUNING MODE] and [DISPLAY] but-
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 “H7 ** MX.XX” appears.
**: Destination
Each time the [DISPLAY] button is pressed, “H.Ver X.XX”
and “SVX.XXH71” this order, and returns to the “H7 **
MX.XX” displayed.
Each time the [DISPLAY] button is pressed, “H.Ver X.XX”
and “SVX.XXH71” this order, and returns to the “H7 **
MX.XX” displayed.
KEY CHECK MODE
* Button check
* Procedure:
1. While depressing the [TUNING +] and the [MUTING] but-
* Button check
* Procedure:
1. While depressing the [TUNING +] and the [MUTING] but-
tons simultaneously, press the [
?/1
] button to turn on the
main power.
2. Either the message “REST 14” 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” appears.
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
* 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]
1. While depressing the [TUNING MODE] and the [MOVIE]
buttons simultaneously, press the [
?
/
1
] button to turn on the
main power.
2. “SWAP. MODE” appears.
3. After a few seconds, “SWAP MD” will appear (No change
3. After a few seconds, “SWAP MD” will appear (No change
while 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.
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-
* 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-
* 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 [
* Procedure:
1. Hold the [
?
/
1
] button for 5 seconds.
2. The message “CLEARING” appears on the display.
3. After few seconds, “CLEARED” appears.
3. After few seconds, “CLEARED” appears.
PROTECTOR AUTO OFF
* To disable auto off after protector occur.
* Procedure:
1. While depressing the [INPUT MODE] and the [A.F.D.] but-
* To disable auto off after protector occur.
* Procedure:
1. While depressing the [INPUT MODE] and the [A.F.D.] but-
tons simultaneously, press the [
?
/
1
] button to turn on the main
power.
2. “PROTECT” appears and switch off the set.
COMMAND MODE CHANGE MODE
The command mode of the remote-commander which this set
receives can be changed.
* Procedure:
1. While pressing the [INPUT MODE] and [2CH/A.DIRECT]
* Procedure:
1. While pressing the [INPUT MODE] and [2CH/A.DIRECT]
buttons, press the [
?
/
1
] button to turn on the main power.
2. Either the message “C. MODE.AV1” or “C. MODE.AV2”
appears. Select the desired mode.
STR-DH710
10
HISTORY MODE
The state that the set is used is memorized.
* Procedure:
1. While pressing the [INPUT MODE] and [MUSIC] buttons,
The state that the set is used is memorized.
* Procedure:
1. While pressing the [INPUT MODE] and [MUSIC] buttons,
press the [
?/1
] button to turn on the power and “HISTORY”
is displayed.
2. Each time the [
r ] [ R ] key of remote commander is pressed,
the item is switched in order as follows.
Items
Display
Protector count
COUNT XX
Total single power on time
xxxxxHxx 01
Sound fi eld
SND FLD
Input function
FUNCTION
Input mode
INP MODE
Digital select
DIG IN
Stream information
STREAM
Signal confi guration
CO xxxxx
Headphones
HP xxx
Volume
VOL xxx
Bass
BASS xxx
Treble
TREB xxx
Level FL/FR
F aaabbb
Level CT/SW
CWcccddd
Level SL/SR
S eeefff
Level SBL/SBR
B ggghhh
Total power on time
xxxxxHxx 02
Muting
MUTE xxx
Power on counter
(Rebox test mode)
(Rebox test mode)
REBX.xxxx
Protector Type
PROT.xxxx
Temperature when protect
TEM xxxx
Note:
aaa : FL’s level
bbb : FR’s level
ccc : Center’s level
ddd : Subwoofer’s level
eee : SL’s level
fff : SR’s level
ggg : BL’s level
hhh : BR’s level
aaa : FL’s level
bbb : FR’s level
ccc : Center’s level
ddd : Subwoofer’s level
eee : SL’s level
fff : SR’s level
ggg : BL’s level
hhh : BR’s level
DIGITAL MEDIA PORT TEST
* Procedure:
1. Connect the DMPORT check jig (Part No. J-2501-309-A)
with the DMPORT jack (CN2005) on the DIGITAL board.
2. While pressing the [TUNING MODE] and [MUSIC] buttons,
press the [?/1] button to turn on the main power.
3. The message “DMPORT T.” and “DMPORTOK” appears on
the fl uorescent indicator tube and enter the digital media port
test mode (Confi rmation of communication line).
When “NO DET”, “UART NG” and “UART TO” are
displayed on the fl uorescent indicator tube, confi rm the
connection of the DMPORT check jig, and enter the mode
again.
Each time the [
test mode (Confi rmation of communication line).
When “NO DET”, “UART NG” and “UART TO” are
displayed on the fl uorescent indicator tube, confi rm the
connection of the DMPORT check jig, and enter the mode
again.
Each time the [
>
] button on the remote commander is
pressed, the connect check and adaptor version check are
switched.
Press the [
switched.
Press the [
.
] button on the remote commander, connected
confi rmation of the DMPORT check jig is done again.
4. To a pin-jack of the DMPORT check jig input information
relevant to audio signal (sine-wave 1.0 Vrms) and composite
video signal (white 100% 1.0 Vp-p, color bar, etc.).
video signal (white 100% 1.0 Vp-p, color bar, etc.).
5. Confi rm the output of speakers and monitor TV (Confi rmation
of analog signal).
6. To release from this mode, press the [
x
] button on the remote
commander.
color
pattern
generator
DMPORT
check jig
(Part No.
J-2501-309-A)
J001
AF
oscillator
set
TV
monitor
FL/FR
speaker
DIGITAL board
CN2005
MAIN board
TB601
VIDEO Supply board
J210
STR-DH710
11
SPDIF UPDATE MODE
User plays the CD that contains u-com/DSP data with CD/DVD
player.
Update u-com/DSP etc. fi rmware from SPDIF input.
Connection:
CD/DVD
player
DIGITAL board
TV OPTICAL IN jack (IC2002)
TV OPTICAL IN jack (IC2002)
set
* Procedure:
Normal case
Normal case
1. While pressing [INPUT MODE] and [MUTING] button,
press the [?/1] button to turn on the main power.
2. The messages “UPDATE” and “PLAY. DISC” are displayed
alternately every one second.
After this step, all user operation is prohibited except power
off. To cancel this mode, power off or AC power cord pull out
is required.
After this step, all user operation is prohibited except power
off. To cancel this mode, power off or AC power cord pull out
is required.
3. Connect CD player to TV OPTICAL IN jack (IC2002 on the
DIGITAL board), and play update CD.
Update is started when DSP detect update signal. The
message “UPDATING” is displayed blinks every one second.
From this step, all user operation is prohibited. Power off is
also prohibited.
Update is started when DSP detect update signal. The
message “UPDATING” is displayed blinks every one second.
From this step, all user operation is prohibited. Power off is
also prohibited.
4. While main u-com is being updated, fl uorescent indicator tube
is blacked out for few minutes.
5. When update data error is detected or disc is not matched with
target model, error messages “DISC ERR” and “PLAY. DISC”
are displayed to restart playing valid CD.
When fl ash writing error is happened, error messages “UPT.
ERR” and “PLAY. DISC” are displayed to restart playing CD.
are displayed to restart playing valid CD.
When fl ash writing error is happened, error messages “UPT.
ERR” and “PLAY. DISC” are displayed to restart playing CD.
6. When all update is fi nished, set is reboot automatically.
After reboot, complete message “COMPLETE” is displayed
(displayed continuously until any user operation).
(displayed continuously until any user operation).
* Procedure:
After update is abnormal exit, and set is power on again
After update is abnormal exit, and set is power on again
1. Enter update mode automatically after power on.
2. The messages “UPDATE” and “PLAY. DISC” are displayed
2. The messages “UPDATE” and “PLAY. DISC” are displayed
alternately every one second.
From this step, all user operation is prohibited. Power off is
also prohibited.
If main u-com was failed to update, nothing is displayed.
From this step, all user operation is prohibited. Power off is
also prohibited.
If main u-com was failed to update, nothing is displayed.
3. Connect CD player to TV OPTICAL IN jack (IC2002 on the
DIGITAL board), and play update CD.
Update is started when DSP detect update signal. From this,
same as normal case.
Update is started when DSP detect update signal. From this,
same as normal case.
VERSION CHECK
Function that displays the version number to check whether
SPDIF update is necessary or not.
* Procedure:
1. While pressing [INPUT MODE] and [DISPLAY] button,
press the [?/1] button to turn on the main power.
2. The message “VER X.XXX” is displayed. “X.XXX” is
calculated by adding all fi rmware version.
Example:
(MAIN ver. + DSP ver. + HDMI ver. + 7)/10 =
Displayed version
MAIN = 1.02, DSP = 1.01, HDMI = 1.00
↓
(1.02 + 1.01 + 1.00 + 1.03 + 7)/10 = 1.006
1.006 = X.XXX
Example:
(MAIN ver. + DSP ver. + HDMI ver. + 7)/10 =
Displayed version
MAIN = 1.02, DSP = 1.01, HDMI = 1.00
↓
(1.02 + 1.01 + 1.00 + 1.03 + 7)/10 = 1.006
1.006 = X.XXX
SPDIF UPDATE TEST MODE
Function that checks hardware error for SPDIF update.
This test takes about 15 seconds.
* Procedure:
1. While pressing [INPUT MODE] and [DIMMER] buttons,
press the [?/1] button to turn on the main power.
2. The message “TESTING” is displayed.
3. When abnormality is not found, the message “COMPLETE”
3. When abnormality is not found, the message “COMPLETE”
will display.
4. Communication error between others devices micro-controller
and DSP, the messages “UART” and “ERROR” are displayed.
Communication error between HDMI microcomputer and
DSP, the messages “HDMI” and “ERROR” are displayed.
Communication error between MAIN MICOM and DSP, the
messages “VIDEO”, “MCU” and “ERROR” are displayed.
Unknown error, the messages “UNKNOWN” and “ERROR”
are displayed.
Communication error between HDMI microcomputer and
DSP, the messages “HDMI” and “ERROR” are displayed.
Communication error between MAIN MICOM and DSP, the
messages “VIDEO”, “MCU” and “ERROR” are displayed.
Unknown error, the messages “UNKNOWN” and “ERROR”
are displayed.
5. To release from this mode, AC power cord pull out.
Note:
SPDIF UPDATE MODE, VERSION CHECK and SPDIF
UPDATE CHECK are supported with DSP version 1.01 or later.
STR-DH710
12
FM AUTO STOP CHECK
generator
OUT (75
Ω)
set
Procedure:
1. Turn on the set.
2. Input the following signal from Signal Generator to FM an-
1. Turn on the set.
2. Input the following signal from Signal Generator to FM an-
tenna input directly.
* Carrier Frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
Deviation
: 75 kHz
Modulation : 1 kHz
ANT input
ANT input
: 35 dBu (EMF)
Note:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confi rm that input Frequency of A, B and C are detected and
automatic scanning stops.
The stop of automatic scanning means “The station signal is
received in good condition.”
received in good condition.”
SECTION 3
FM TUNER CHECK
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