Sony HCD-GPX33 Service Manual page 14

HCD-GPX33/GPX55/GPX77/GPX88
[USER RESET]
The user reset clears all data including preset data stored in the data
fl ash to initial conditions exclude history mode data.
Procedure:
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1. Press [ / STANDBY] button to turn on the system.
2. Press [ ] and [LED COLOR] button simultaneously for 3
seconds.
3. "RESET" appears on the fl uorescent indicator tube. After that,
the fl uorescent indicator tube becomes blank for a while, and
the system is reset.
[COLD RESET]
The cold reset clears all data including preset data stored in the
data fl ash to initial conditions included history mode data. Execute
this mode when returning the set to the customer.
Procedure:
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1. Press [ / STANDBY] button to turn on the system.
2. Press [ ] and [AUDIO IN] button simultaneously for 3
seconds.
3. "COLD RESET" appears on the fl uorescent indicator tube.
After that, the fl uorescent indicator tube becomes blank for a
while, and the system is reset.
[CD SHIP MODE (WITH MEMORY CLEAR)]
This mode moves the optical pick-up to the position durable to
vibration and clears all data including preset data stored in the data
fl ash to initial conditions during the next AC-In. Use this mode
when returning the set to the customer after repair.
Procedure:
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1. Press [ / STANDBY] button to turn on the system.
2. Select CD function.
3. Press [CD] and [SOUND FLASH] button simultaneously for 3
seconds. The system turns off automatically.
4. "MECHA LOCK" is displayed on the fl uorescent indicator
tube and the CD ship mode is set.
[CD TRAY LOCK MODE]
This mode let you lock the disc tray. When this mode is activated,
the disc tray will not open when [Z OPEN/CLOSE] button is
pressed. The message "LOCKED" will be displayed on the fl uo-
rescent indicator tube. This mode only applied when there is disc
on the tray.
Procedure:
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1. Press [ / STANDBY] button to turn on the system.
2. Select CD function.
3. Press [ ] and [ENTER] button simultaneously and hold down
until "LOCKED" or "UNLOCKED" displayed on the fl uores-
cent indicator tube (around 5 seconds).
14
[CDM AGING MODE]
This mode is used for CDM aging.
Procedure:
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1. Press [ / STANDBY] button to turn on the system.
2. Select CD function.
3. Open the disc tray, insert a disc and close the tray.
4. Press [CD] and [BASS BAZUCA] button simultaneously for 3
seconds.
5. The fl uorescent indicator tube displays Aging Display
"AG xxxx/yyyy".
"xxxx" represents the error counter
(Maximum Value of "xxxx" = 9999)
"yyyy" represents the cycle counter
(Maximum Value of "yyyy" = 9999)
+ / n] or [ - / p] to search for Aging History Error
6. Press [
Display
The fl uorescent indicator tube displays "Mx E1E2E3E4".
x: error history number
E1: Loading sequence JCP high
E2: Loading sequence JCP low
E3: Loading operation JCP
E4: Cam position operation JCP
7. Press [ENTER] to Aging Display
To release from this mode, press [
[HISTORY MODE]
This mode is used to check important data stored in the system
when PROTECTOR happen.
Procedure:
1. During demo mode, press [ENTER] and [LED PATTERN] for
5 seconds to mode in to history mode.
.m / TUNING-] or [M >
w
2. Press the [
button to check history data stored.
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/ STANDBY] button.
x
/ TUNING+]