Sony STR-DH520 Service Manual page 10

STR-DH520
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
set
player
DIGITAL board
BD/DVD COAXIAL IN jack (J2301)
* 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 BD/DVD COAXIAL IN jack (J2301
on 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 BD/DVD COAXIAL IN jack (J2301
on DIGITAL board), and play update CD.
Update is started when DSP detect update signal. From this,
same as normal case.
SPDIF UPDATE VERSION
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
10
SPDIF UPDATE TEST
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" and "ERROR" are displayed.
Unknown error, the messages "UNKNOWN" and "ERROR"
are displayed.
5. To release from this mode, AC power cord pull out.
HISTORY MODE
* The state that the set is used is memorized.
* Procedure:
1. While depressing the [INPUT MODE] and the [MUSIC]
buttons simultaneously, press the [
main power.
2. "HISTORY" appears.
3. Each time the [↑] / [↓] buttons on the remote commander is
pressed, the item is switched in order as follows.
Items
Protector Count
Total Single Power On Time
Sound Field
Input Function
Input Mode
Digital Select
Stream Information
Signal Confi guration
Headphone
Volume
Bass
Treble
Level FL/FR
Level SL/SR
Level CT/SW
Level BL/BR
Level LH/RH
Total Power ON Time
Muting
Power ON Counter
(Rebox Test Mode)
Protector Type
Temperature Record
] button to turn on the
?/1
Display
COUNT XX
XXXXXHXX01
SND FLD
FUNCTION
INP MODE
DIG IN
STREAM
CO XXXXX
HP XXX
VOL XX
BASS XXX
TREB XXX
F XXXXXX
S XXXXXX
CWXXXXXX
B XXXXXX
H XXXXXX
XXXXXHXX02
MUTE XXX
REBX.XXXX
PROTXXXX
TEM XXXX