Sony HCD-HPX7 Service Manual - Page 53

HCD-HPX7,

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SECTION 5 TEST MODE HCD-HPX7 [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. 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 [VIDEO/MD] 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. [PANEL TEST MODE] Enter The Panel Test Mode Procedure: 1. In the standby status, press the @/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 [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. 2. It displays "K 0 V0" on the fluorescent indicator tube. 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. 53

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53
HCD-HPX7
[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.
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
[VIDEO/MD]
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.
[PANEL
TEST
MODE]
Enter The Panel Test Mode
Procedure:
1.
In the standby status, press the
@/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
[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.
2.
It displays “K 0 V0” on the fluorescent indicator tube.
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.
SECTION
5
TEST
MODE