Test Mode - Sony HCD-GP7 Service Manual

HCD-GP7
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[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 the ?/1 button to turn the set on.
2. Press three buttons x , PLAY MODE and ?/1
simultaneously.
3. All of settings are reset. Then the power is turned off and the
clock is displayed.
[Panel Test Mode]
* This mode is used to check the software version, the fluorescent
indicator tube, LED and keyboard.
Procedure:
1. Press the ?/1 button to turn the set on.
2. Press three buttons x , PLAY MODE and TUNER/BAND
simultaneously.
3. Segments of the fluorescent indicator tube and LED are all turned on.
4. Version Check : When entering this mode, press the REPEAT
button. The model name ("GP7") and destination are displayed.
5. Each time the REPEAT button is pressed, the display changes
"MC, GC, CD, CDD, CDMA, CDMB, BDA, BDB, ST, TA,
TM, TC and MD (returns to MC) in this order.
6. When the DSG button is pressed while the version numbers
are displayed, year, month and day of the software creation
appear. When the DSG button is pressed again, the display
returns to the software version display. When the REPEAT
button is pressed while year, month and day of the software
creation are being displayed, those are displayed in the same
order of version display.
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7. Key Check : Press the PLAY MODE button and the key check
mode is activated. In the key check mode, the fluorescent
indicator tube displays "K 0 V 0". Each time a button is pressed,
"K 0" value increases. However, once a button is pressed, it is
no longer taken into account. Key check ends at "K 14 V 0".
8. "V 0" value increases like 1, 2, 3 ... if rotating the VOLUME knob
clockwise, or it decreases like 0, 9, 8, ... if rotating counter-clockwise.
9. To exit from this mode, press three buttons in the same manner
as step 2, or disconnect the power cord.
[Common Test Mode]
Procedure:
1. Press the ?/1 button to turn the set on.
2. Press three buttons x , PLAY MODE and TAPE nN
simultaneously.
3. The common test mode is activated and "SLEEP" and "DAILY"
segments flash.
3-1. Amp Test Mode
1. In the common test mode, every time you press the BASS/
TREBLE button on the remote commander, the following
items changes in the order as shown below.
"TONE MAX" (BASS/TRE MAX)
"TONE MIN" (BASS/TRE MIN)
"TONE FLAT" (BASS/TRE FLAT)
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2. When the VOLUME knob is turned clockwise or the VOL +
button on the remote commander is pressed, volume goes MAX.
3. When the VOLUME knob is turned counter-clockwise or
.
the VOL - button on the remote commander is pressed,
volume goes MIN.
4. To exit from this mode, press the ?/1 button and disconnect
the power cord.
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SECTION 4

TEST MODE

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3-2. Tape Test
1. Check the set is in the common test mode.
2. Insert a recordable cassette tape.
3. Input audio signal into the MD IN (J301).
4. Press z REC/PAUSE/START button.
5. Select the recording direction with the TAPE nN button.
6. Press z REC/PAUSE/START button to start recording.
7. When the . m - or + M > button against the
tape recording direction is pressed, the tape is rewound to
the recording started point and the set starts playback.
8. To exit from this mode, press the ?/1 button and disconnect
the power cord.
[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 set on.
2. Set the function to CD.
3. Press three buttons x , PLAY MODE and CD u simultaneously.
4. A message "LOCK" is displayed on the fluorescent indicator
tube, and the CD ship mode is set. Disconnect the power cord.
[Ship Mode]
* This mode is the combination of CD ship mode and cold reset.
Procedure:
1. Press the ?/1 button to turn the set on.
2. Set the function to CD.
3. Press three buttons x , REPEAT and ?/1 simultaneously.
4. A message "LOCK" is displayed on the fluorescent indicator
tube, and the CD ship mode is set. Disconnect the power cord.
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[CD Service Mode]
* This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1. Press the ?/1 button to turn the set on.
2. Set the function to CD.
3. Press three buttons x , REPEAT and CD u simultaneously.
4. The CD service mode is selected.
5. With the CD in stop status, press the + M > button to move
the pickup to outside track ("SLED OUT" is displayed.), or press
the . m - button to inside track ("SLED IN" is displayed.).
6. To exit from this mode, disconnect the power cord.
[Disc Tray Lock]
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure:
1. Press the ?/1 button to turn the set on.
2. Press two buttons of x and Z simultaneously for five seconds.
3. The message "LOCKED" is displayed and the tray is locked.
Releasing Procedure:
1. Press two buttons of x and Z simultaneously for five seconds again.
2. The message "UNLOCKED" is displayed and the tray is
unlocked.
Note : When "LOCKED" is displayed, the tray lock is not released
by turning power on/off with the ?/1 button.
[MD/VIDEO Function Selection Mode]
* This mode is used to select the function of MD or VIDEO.
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Procedure:
1. Press the ?/1 button to turn the set off.
.
2. Press the MD and ?/1 buttons simultaneously.
3. The function will change from MD to VIDEO, and "VIDEO"
is displayed.
4. To change change back to MD, repeat the same procedure.
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