Sony HCD-HX50BTR, Service Manual

Page: 13 / 82

HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
13
SECTION 4
TEST MODE
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 [
x
/CANCEL], [DSGX] and [
?
/
1
] si-
multaneously.
2. The system is reset and becomes standby states.
COMMON TEST MODE
This mode is used to check operations of amplifi er.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons of [
x
/CANCEL], [ENTER] and [
Z
] si-
multaneously.
3. When the COMMON test mode is activated, “AUDIO IN”
is displayed on the fl uorescent indicator tube and “ c PLAY
SLEEP” blink on the fl uorescent indicator tube.
4. Each time [EQ] button on the remote commander is pressed,
the display changes starting “TONE MAX”, “TONE MIN”
and “TONE FLAT” this order.
5. Turn the [VOLUME] knob counterclockwise, “VOLUME
MIN” is displayed on the fl uorescent indicator tube. Turn the
[VOLUME] knob clockwise, “VOLUME MAX” is displayed
on the fl uorescent indicator tube.
6. To release this mode, press the [
?
/
1
] button.
PANEL TEST MODE
This mode is used to check the fl uorescent indicator tube, LED,
model, destination, software version and key.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons of [
x
/CANCEL], [DSGX] and [
Z
] simul-
taneously.
3. All segments on the fl uorescent indicator tube, [STANDBY]
LED and [BLUETOOTH OPR] LED (HX50BTR/HX70BTR/
HX90BTR only) light up.
4. Press the [DSGX] button, the model and destination are dis-
played on the fl uorescent indicator tube.
5. Press the [DSGX] button again, MC version is displayed on
the fl uorescent indicator tube.
6. Each time [DSGX] button is pressed, the display changes
starting from MC version, GC version, USBL version , USBM
version, BT version (HX50BTR/HX70BTR/HX90BTR only),
CLA version, CD version, CDD version, CDMA version,
CDMB version, BDA version, BDB version, ST version, TA
version and TM version this order, and returns to the MC ver-
sion display.
7. When [SEARCH] button is pressed while the MC version is
displayed, year, month and day of the software creation is dis-
played. When [SEARCH] button is pressed again, the display
returns to the MC version display.
8. Press the [ENTER] button, the key test mode is activated and
“K 0 V0” is displayed on the fl uorescent indicator tube.
9. Each time a button is pressed, “K” value increases. However,
once a button is pressed, it is no longer taken into account.
All keys are pressed, display becomes “K17” (HX80R) or
“K18” (HX50BTR/HX70BTR/HX90BTR).
10. “V” value increases 2, 4, 6 ... if turn the [VOLUME] knob
clockwise, or it decreases 8, 6, 4 ... if turn the knob counter-
clockwise
11. To release this mode, press three buttons in the same manner as
step 2, or disconnect the power cord.
TUNER STEP CHANGE
(HX50BTR: Canadian, Chilean, Peruvian, Mexican, Bra-
zilian, Singapore, Argentina and Korean models)
A step of AM tuning interval can be changed over between 9 kHz
or 10 kHz.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [TUNER/BAND] button to select “AM”.
3. Press the [
?
/
1
] button again to turn the power off.
4. Press two buttons of [TUNER/BAND] and [
?
/
1
] simultane-
ously.
5. The message “AM 9kHz Step” or “AM 10kHz Step” is dis-
played on the fl uorescent indicator tube and thus the tuning
interval is changed over.
CD 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 [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press two buttons of [SEARCH] and [
?
/
1
] simultaneously.
4. After the “STANDBY” display blinks, “LOCK” is displayed
on the fl uorescent indicator tube, the ship mode is set.
CD SHIP MODE & MEMORY CLEAR
This mode is used to perform CD ship mode and cold reset simul-
taneously.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press three buttons of [SEARCH], [DSGX] and [
?
/
1
] simulta-
neously.
3. After the “STANDBY” display blinks, “LOCK” is displayed
on the fl uorescent indicator tube the ship mode is set and the
system is reset.
ANTITHEFT LOCK MODE
This mode is used to unable to take sample disc out of disc tray in
the shop.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
Z
] button to open the disc tray and set the CD disc.
3. Press the [
Z
] button to close the disc tray.
4. Press two buttons of [
x
/CANCEL] and [
Z
] for 5 seconds.
5. The message “LOCKED” is displayed on the fl uorescent indi-
cator tube and the disc tray is locked. (Even if pressing the [
Z
]
button, the message “LOCKED” is displayed on the fl uores-
cent indicator tube and the disc tray is locked)
6. To release from this mode, press two buttons of [
x
/CANCEL]
and [
Z
] for 5 seconds.
7. The message “UNLOCKED” is displayed on the fl uorescent
indicator tube and the disc tray is unlocked.
CD POWER MANAGE
This mode is used to changed over CD power on/off for decreasing
of reception noise in the tuner mode.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press the [
?
/
1
] button again to turn the power off.
4. Press two buttons of [
x
/CANCEL] and [
?
/
1
] simultaneously.
5. The message “CD POWER ON” or “CD POWER OFF” is dis-
played on the fl uorescent indicator tube, and CD power on/off
is changed over in the tuner mode.
Ver. 1.1