DAV-SB300, HCD-SB300 - Sony Audio Service Manual (repair manual). Page 14

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14
HCD-SB300
COLD  RESET
The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press three buttons of the
>
,  
, and  
A
  simultaneously.
2. The message “ColdRESET” is displayed on the fluorescent
indicator tube, and the set is reset, then becomes standby mode.
VERSION  DISPLAY
This mode is used to check the model and software version.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press three buttons of the [VOL +],  
VOL –
and  
A
  simultaneously for
five seconds. The software version and destination is displayed.
DISPLAY  LED  TEST
This mode is used to check the fluorescent indicator tube and FL
back light LED.
Procedure:
1. Press three buttons of  the  
VOL – 
 ,  
.
  and  
A
  simultaneously.
2. All segments of fluorescent indicator tube and FL back light
LED are turned ON.
3. To release from this mode, press the
I
/1
button.
AUTO  TUNING
This mode is used to auto tuning.
Procedure:
1. Press two buttons of the
.
and  
>
  simultaneously for
three seconds.
2. The message “AUTO 87.50” is displayed on the fluorescent
indicator tube. Then display repeats from automatic “AUTO
87.50” to “AUTO 108.00”.
3. To release from this mode, press the any buttons except the
VOLUME +/– 
 buttons.
AMP  TEST
This mode is used to check the function of the amplifier.
Procedure:
1. Press three buttons of the 
  VOL –
  , 
  .
  and  [FUNCTION]
simultaneously.
2. Each time the [AUTO FORMAT] or [MODE] key on the remote
commander is pressed, output change as following order.
3. Each time the [DSGX] key on the remote commander is pressed,
DSGX on/off are changed over.
4. Each time the [NIGHT MODE] key on the remote commander
is pressed, NIGHT MODE on/off are changed over.
5. Each time the  
VOLUME +/–
  key on the remote commander is
pressed, the message “VOLUME MIN”, “VOLUME 21” or
“VOLUME MAX” is displayed in this order on the fluorescent
indicator tube.
6. To release from this mode, press the
I
/1
button.
KEY  TEST
This mode is used to check the front panel keys.
Procedure:
1. Press three buttons of the 
VOL –
  ,  [VOL +]  and  [FUNCTION]
simultaneously.
2. the fluorescent indicator tube displays “KEY XX”. Each time
a button is pressed, “KEY” value increases.
However, once a button is pressed, it is no longer taken into
account.
3. To release from this mode, perform same manner as step 1.
ROBBERY  PREVENTION  LOCK
This mode is used to unable to take sample disc out of set in the
shop.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [FUNCTION] button to select “DVD”.
3. Press two buttons of the  
x
  and
A
simultaneously for five
seconds.
4. The message “LOCKED” is displayed on the fluorescent
indicator tube and the disc tray is locked. (Even if pressing
the
A
button, the message “LOCKED” is displayed on the
liquid crystal display and the disc tray is locked)
5. To release from this mode, press two buttons of the 
 x  
and
the
A
simultaneously for five seconds again.
6. The message “UNLOCKED” is displayed on the liquid crystal
display and the disc tray is unlocked.
SHIP  MODE
This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [FUNCTION] button to select “DVD”.
3. Press three buttons the  
>
  ,   
.
   and  
A
simultaneously.
4. The message “MECHA LOCK” is displayed on the liquid
crystal display and the ship mode is set, then becomes power
off.
REPEAT  5  TIMES  CANCEL
The number of repeat for DVD playback is 5 times when the repeat
mode is “REPEAT”. This mode enables DVD to repeat playback
for limitless times.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [FUNCTION] button to select “DVD”.
3. Press three buttons of the
>
, [VOL +] and  
A
  simultaneously.
4. Repeat 5 times limit is canceled.
AM  TUNING  INTERVAL  CHANGE-OVER
(Except AEP, UK, Russian models)
A step of AM channels can be changed over between 9 kHz and 10
kHz.
Procedure:
1. Press the
I
/1
button to turn the power on.
2. Press the [FUNCTION] button to select “AM”.
3. Press the
I
/1
button to turn the power off.
4. Press two buttons of the 
 VOL –
  and
I
/1
simultaneously.
5. AM step 9 kHz and 10 kHz are changed over.
SECTION  4
TEST  MODE
Display
Function
SWAP F2S
FRONT L-ch/R-ch input is outputted also
to SURROUND L-ch/R-ch speakers.
SWAP F2CW
L-ch input is outputted to CENTER speaker,
and R-ch input is outputted to WOOFER
speaker.
SWAP Full
L-ch/R-ch input is outputted all speakers.
EQ MAX
6dB of levels of the bus and treble is upped.
EQ MIN
6dB of levels of the bus and treble is downed.
SRAH CHECK
Not used
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