Test Mode - Sony HCD-ZX66i Service Manual

[GC TEST MODE]
• This mode is used to check the fl uorescent indicator tube,
LEDs, keys, JOG, VOLUME jog, model, destination and soft-
ware version.
Procedure:
1. Press [M] (iPod) button, [TUNING MODE] button and
[DISC 2] button simultaneously.
2. All segments in fl uorescent indicator tube and the LEDs are
lighted up.
3. When you want to enter to the model version and destination
display mode, press [DISC 1] button. The model information
appears on the fl uorescent indicator tube.
4. Each time [DISC 1] button is pressed, the display changes
to display software version of the software creation. The se-
quence is MC, GC, SYS, CD, CDDM, CDMA, CDMB, BDA,
BDB, ST, TA, TM, and iPod in this order, and returns to the
MC version display.
5. When [DISC 3] button is pressed while the software version is
being displayed, the date of the software creation appears.
When [DISC 3] button is pressed again, the display returns to
the software version display. When [DISC 1] button is pressed
while the date of the software creation is being displayed, the
date of the software creation is displayed in the same order of
software version display.
6. Press [DISC 2] button, the key check mode is activated.
7. In the key check mode, the fl uorescent indicator tube displays
"K 0 J0 V0".
Turn the [JOG] clockwise; "J" value increases by one. Turn
the [JOG] counterclockwise; "J" value decreases by one. Each
time a button is pressed, "K" value increases. Press their keys
on main unit to check whether the key is detected. However,
once a button has been pressed, it is no longer taken into ac-
count.
"V" value increases in the manner of 0, 1, 2, 3 ... if [VOLUME]
knob is turned clockwise, or it decreases in the manner of 0, 9,
8, 7 ... if [VOLUME] knob is turned counterclockwise.
8. When [EX-CHANGE] button is pressed after all segments
in fl uorescent indicator tube and the LEDs light up, alternate
segments in fl uorescent indicator tube would light up. If you
press [EX-CHANGE] button again, another half of alternate
segments in fl uorescent indicator tube would light up. Press
[EX-CHANGE] button again would cause all segments lights
up.
9. To release from this mode, press three buttons in the same
manner as step 1, or disconnect the power cord.
[MC TEST MODE]
• This mode is used to check operations of the respective sec-
tions of Amplifi er and Tuner.
Procedure:
• To enter MC Test Mode
1. Press [M] (iPod) button, [TUNING MODE] button and
[DISC 3] button simultaneously.
2. The CD ring indicators and speaker indicators fl ash on the fl u-
orescent indicator tube. The function is changed to PHONO.
• Check of Amplifi er
1. Press [v] button and a message "GEQ MAX" appears on the
fl uorescent indicator tube. GEQ increases to its maximum.
2. Press [V] button and a message "GEQ MIN" appears on the
fl uorescent indicator tube. GEQ decreases to its minimum.
3. Press either [b] button or [B] button and a message "GEQ
FLAT" appears on the fl uorescent indicator tube. GEQ is set to
fl at.
SECTION 4

TEST MODE

4. When the [VOLUME] knob is turned clockwise even slightly,
the sound volume increases to its maximum and a message
"VOLUME MAX" appears on the fl uorescent indicator tube.
5. When the [VOLUME] knob is turned counterclockwise even
slightly, the sound volume decreases to its minimum and a
message "VOLUME MIN" appears on the fl uorescent indica-
tor tube.
• To release from MC Test mode
1. To release from this mode, press [? / 1] button.
2. The cold reset is enforced at the same time.
[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 [M] (iPod) button, [TUNING MODE] button, and
[? / 1] button simultaneously.
2. The fl uorescent indicator tube becomes blank for a while, and
the set is reset.
[VACS ON/OFF]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
1. Press [? / 1] button to turn the set ON.
2. Press [AMP MENU] button and [? / 1] button simultaneous-
ly. The message "VACS OFF" or "VACS ON" appears on the
fl uorescent indicator tube.
[TUNER STEP CHANGE]
• The step interval of AM channels can be toggled between 9
kHz and 10 kHz.
Procedure:
1. Press [? / 1] button to turn the set ON.
2. Press [TUNER/BAND] button to select the "AM".
3. Press [? / 1] button to turn the set OFF.
4. Press [TUNING MODE] button and [? / 1] button simultane-
ously. The system will turn ON automatically. The message
"AM 9k STEP" or "AM 10k STEP" appears on the fl uorescent
indicator tube and thus the channel step is changed.
[CD SERVICE MODE]
• This mode let you move the CD sled motor freely. Use this
mode when you want to clean the optical pick-up.
Procedure:
1. Press [? / 1] button to turn the set ON.
2. Select CD function.
3. Press [M] (iPod) button, [TUNING MODE] button, and
[DISC 5] button simultaneously.
4. The CD service mode is activated. The message "SERVICE
MODE" appears on the fl uorescent indicator tube.
5. With the CD in stop status, press [M] (CD) to move the opti-
cal pick-up to outside track, or turn [m] (CD) to move to in-
side track. The message "SLED OUT" or "SLED IN" appears
on the fl uorescent indicator tube.
6. To turn on or off the laser, press [PLAY MODE] button. The
message "LD ON" or "LD OFF" appears on the fl uorescent
indicator tube.
7. To release from this mode, press [? / 1] button.
HCD-ZX66i/ZX99i
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