DOWNLOAD Sony STR-DH710 Service Manual ↓ Size: 5.44 MB | Pages: 82 in PDF or view online for FREE

Model
STR-DH710
Pages
82
Size
5.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dh710.pdf
Date

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 
AM channel step.
* Procedure:
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] 
button to turn on the main power.
5.  Either the message “9k STEP” or “10k STEP”.
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 
time, then each segment lights on one after another.
* Procedure:
  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.
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
+
 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
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 
completion of repair.
* Procedure:
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-
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.
KEY CHECK MODE
*  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.
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] 
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 
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.
(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.
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 [
?
/
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] 
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, 
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)
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
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 [
>
] button on the remote commander is 
pressed, the connect check and adaptor version check are 
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.).
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)
set
* Procedure:
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.
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.
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.
6.  When all update is fi nished, set is reboot automatically. 
After reboot, complete message “COMPLETE” is displayed 
(displayed continuously until any user operation).
* Procedure:
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 
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.
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.
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
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” 
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.
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-
tenna input directly.
*  Carrier Frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation 
: 75 kHz
Modulation  : 1 kHz
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.
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.”
SECTION 3
FM TUNER CHECK
Page of 82
Display

Click on the first or last page to see other STR-DH710 service manuals if exist.