Test Mode - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

HCD-HPR90/HPR99XM
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 [PLAY MODE/TUNING MODE], [DISPLAY]
and simultaneously.
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2. The fluorescent indicator tube becomes blank momentarily,
then becomes standby states.
COMMON TEST MODE
This mode is used to check operations of Amplifier.
Procedure:
1. Press the button to turn the power on.
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2. Press three buttons of [DSGX], [PLAY MODE/TUNING MODE]
and [DISPLAY] simultaneously.
3. When the COMMON test mode is activated, "SLEEP" and
"c PLAY" blink on the fluorescent indicator tube.
4. Each time [EQ] button on the remote commander is pressed,
the display changes starting "TONE MIN", "TONE FLAT"
and "TONE MAX" this order.
5. Turn the [VOLUME] knob counterclockwise, "VOL MIN" is
displayed on the fluorescent indicator tube. Turn the [VOLUME]
knob clockwise, "VOL MAX" is displayed on the fluorescent
indicator tube.
6. To release this mode, press the
PANEL TEST MODE
This mode is used to check the fluorescent indicator tube, LED,
model, destination, software version and key.
Procedure:
1. Press the button to turn the power on.
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2. Press three buttons of [PLAY MODE/TUNING MODE], [AUDIO IN]
and [DISPLAY] simultaneously.
3. Fluorescent indicator tube is all turned on and each LED of
[DSGX] and [STANDBY] blink every 0.5 seconds.
4. When you want to enter the model, destination and version display
mode, press the [DISPLAY] button. The model and destination
are displayed alternately on the fluorescent indicator tube.
5. Press the [DISPLAY] button again MC version display on the
fluorescent indicator tube.
6. When [AUDIO IN] button is pressed while the MC version is
displayed, year, month and day of the software creation display.
When [AUDIO IN] button is pressed again, the display returns
to the MC version display.
7. Press the [PUSH ENTER] button, the key check mode is
activated.
8. In the key check mode, the fluorescent indicator tube displays
"K 0 J0 V0".
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 "K21".
10. "V" value increases 1, 2, 3 ... if turn the [VOLUME] knob
clockwise, or it decreases 0, 9, 8 ... if turn the knob
counterclockwise
"J" value increases like 1, 2, 3 ... if turn the jog knob clockwise,
or it decreases like 0, 9, 8 ... if turn the knob counterclockwise.
11. To release this mode, press three keys in the same manner as
step 2, or disconnect the power cord.
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SECTION 4

TEST MODE

button.
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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 button to turn the power on.
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2. Press the [CD] or [FUNCTION] key on the remote commander
to select "CD".
and [DISC 1] simultaneously.
3. Press two buttons of
x
4. After the "STANDBY" display blinks, "LOCK" is displayed
on the fluorescent indicator tube, and the ship mode is set.
CD SHIP MODE & MEMORY CLEAR
This mode is used to perform CD ship mode and cold reset
simultaneously.
Procedure:
1. Press the button to turn the power on.
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2. Press the [CD] or [FUNCTION] key on the remote commander
to select "CD".
3. Press three buttons of [DSGX],
4. After the "STANDBY" display blinks, "LOCK" is displayed
on the fluorescent indicator tube, and the ship mode is set.
ANTITHEFT LOCK MODE
This mode is used to unable to take sample disc out of disc table in
the shop.
Procedure:
1. Press the button to turn the power on.
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2. Insert the CD.
3. Press the button.
CD u
4. Press two buttons of and
x
5. The message "LOCKED" is displayed on the fluorescent
indicator tube and the disc slot is locked. (Even if pressing
the button, the message "LOCKED" is displayed on the
Z
fluorescent indicator tube and the disc table is locked)
6. To release from this mode, press two buttons of
5 seconds.
7. The message "UNLOCKED" is displayed on the fluorescent
indicator tube and the disc table 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 button to turn the power on.
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2. Press the [CD] or [FUNCTION] key on the remote commander
to select "CD".
3. Press the button again to turn the power off.
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4. Press two buttons of [PUSH ENTER] and
5. The message "CD POWER" is displayed on the fluorescent
indicator tube momentarily, then display changes "ON" or
"OFF", and CD power on/off changed over in the tuner mode.
and [DISC 1] simultaneously.
Z
for 5 seconds.
Z
and for
x Z
simultaneously.
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