Test Mode - Sony HCD-HPX9 Service Manual

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[MC COLD RESET]
The cold reset clears all data including preset data stored in the
memory to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. In the standby status, press the @/1 button to turn the power
on.
2. Press three buttons of @/1 , x , and [PLAY MODE/TUNING
MODE] simultaneously.
3. The set is reset, and become standby status.
[COMMON TEST MODE]
Enter The Common Test Mode
Procedure:
1. In the standby status, press the @/1 button to turn the power
on.
2. Press three buttons of [PLAY MODE/TUNING MODE], x , and
[DSGX] simultaneously.
3. When the common test mode is activated, "SLEEP" and
"PLAY" icons are blink and "MD" display on the fluorescent
indicator tube.
AMP Test
Procedure:
1. In the common test mode, if turn the [VOLUME] knob
clockwise, it displays "VOL MAX", and if turn the knob
counterclockwise, it displays "VOL MIN".
The same operations as described above can also be performed
by pressing the [VOLUME +] and [VOLUME --] buttons of the
remote control.
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2. If the [EQ] button of the remote control is pressed, "TONE
MAX" is displayed for several seconds.
Pressing the [EQ] button once more displays the "TONE MIN",
and another pressing displays "TONE FLAT".
3. "TONE MAX", "TONE MIN", and "TONE FLAT" are
displayed repeatedly in this order each time the[EQ] button is
pressed.
4. To release from this mode, press the @/1 button to turn the
power off.
Tape Test
Procedure:
1. In the common test mode, insert a tape.
2. Input any audio signal from the [MD/VIDEO] jack (J301) on
the MAIN board.
3. Press the z REC button, and press the N TAPE button to
select the tape direction.
4. Press the z REC button again to start recording.
5. If press the lm TUNING– or TUNING+ ML
button, the tape is returned to recording start point by cue or
review operation, and starts playback.
6. To release from this mode, press the @/1 button to turn the
power off.
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SECTION 5

TEST MODE

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[PANEL TEST MODE]
Enter The Panel Test Mode
Procedure:
1. In the standby status, press the I/1 button to turn the power
on.
2. Press three buttons of [REPEAT/FM MODE], x , and [DSGX]
simultaneously.
3. When the panel test mode is activated, LEDs and segments of
fluorescent indicator tube are all turned on.
Version Check
Procedure:
1. In the panel test mode (all LEDs and segments of fluorescent
indicator tube are turned on), press the [REPEAT/FM MODE]
button.
2. Destination indication and model type indication are displayed
on the fluorescent indicator tube alternately.
3. From this status, each time the [PLAY MODE/TUNING MODE]
button is pressed, it changes the version display of module as
follows.
4. To date of module, press the [DSGX] or [FUNCTION] button.
5. To release from this mode, press three buttons of [REPEAT/
FM MODE], x , and [DSGX] simultaneously.
Key Check
Procedure:
1. In the panel test mode (all LEDs and segments of fluorescent
indicator tube are turned on), press the [PLAY MODE/TUNING
MODE] button.
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2. It displays "K 0 V0" on the fluorescent indicator tube.
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3. 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 "K25".
4. "V" value increases like 1, 2, 3 ... if turn the [VOLUME] knob
clockwise, or it decreases like 0, 9, 8 ... if turn the knob
counterclockwise.
5. To release from this mode, press three buttons of [REPEAT/
FM MODE], x , and [DSGX] simultaneously.
[CD REPEAT 5 LIMIT CANCEL MODE]
Number of repeat for CD playback is 5 times when the repeat mode
is "REPEAT". This mode enables CD to repeat playback for limitless
times.
Procedure:
1. Press the @/1 button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of TUNING+ ML , [PLAY MODE/
TUNING MODE], and [DSGX] simultaneously.
4. It enters the CD repeat 5 limit cancel mode and display "LIMIT
OFF"
5. To release this mode, press the @/1 button to turn the power
off.
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