Test Mode - Sony FST-ZX6 Service Manual

[GC TEST MODE]
• This mode is used to check the fluorescent indicator tube, LED,
model, destination, software version, volume, key, jog and VACS
level.
Procedure:
1. Press x (TAPE B) button, [TUNER ENTER] button and [DISC
2] button simultaneously.
2. All LEDs and segments in fluorescent indicator tube are lighted
up.
3. When you want to enter the software version display mode,
press [DISC 1] button. The model and destination are displayed.
4. Each time [DISC 1] button is pressed, the display changes from
MC version, GC version, CD version, CDDM version, CDMA
version, CDMB version, BDA version, BDB version, ST version,
TC version, TA version, TM version in this order, and returns to
the MC version display.
5. When [DISC 3] button is pressed while the version numbers are
being displayed except model and destination, the date of the
software creation appear. 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 fluorescent indicator tube displays
"K0 J0 V0". Each time a button is pressed, "K" value increases.
However, once a button has been pressed, it is no longer taken
into account.
"J" value increases in the manner of 0, 1, 2, 3 ... if [JOG] is
turned clockwise, or it decreases in the manner of 0, 9, 8, 7 ... if
[JOG] knob is turned counter-clockwise. (only for HCD-ZX8)
"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 counter-clockwise.
8. When [DISC 3] button is pressed after all LEDs and segments in
fluorescent indicator tube light up, the fluorescent indicator tube
displays "VACS A APBB". A is VACS level which is trigger by
signal level while BB is VACS level which is trigger by APVACS
(Abuse Protection VACS).
9. When [EX-CHANGE] button is pressed after all LEDs and
segments in fluorescent indicator tube light up, alternate
segments in fluorescent indicator tube would light up. If you
press [EX-CHANGE] button again, another half of altemate
segments in fluorescent indicator tube would light up. Pressing
[EX-CHANGE] button again would cause all segments lights up.
10. 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 sections
of Amplifier, Tuner, and Tape.
Procedure:
• To enter MC Test Mode
1. Press x (TAPE B) button, [TUNER ENTER] button and [DISC
3] button simultaneously.
2. The 4 speaker symbols and CD ring indicators flash on the
fluorescent indicator tube. The function is changed to VIDEO.
• Check of Amplifier
1. When v button is pressed, GEQ increases to its maximum and
a message "GEQ MAX" appears on the fluorescent indicator
tube.
2. When V button is pressed, GEQ decreases to its minimum and
a message "GEQ MIN" appears on the fluorescent indicator
tube.
SECTION 4

TEST MODE

3. When b button or B button is pressed, GEQ is set to flat and
a message "GEQ FLAT" appears on the fluorescent indicator
tube.
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 fluorescent indicator tube.
5. When the [VOLUME] knob is turned counter-clockwise even
slightly, the sound volume decreases to its minimum and a
message "VOLUME MIN" appears on the fluorescent indicator
tube.
• Tape function
1. When a tape is inserted in Deck B and recording is started, the
function is changed to VIDEO automatically. When [CD SYNC]
button is pressed during recording in function, ALC (Automatic
Logic Control) is turned on.
2. During recording, press . m (TAPE B) button will stop
the recording and the function is changed to TAPE B and rewind
the tape in Deck B until the recording start position and playback
of the tape B is started. If the [REC PAUSE/START] button is
pressed for a pause and pressed again to resume recording during
recording time, when the tape is rewind, the tape will be rewind
until the position where the pause is applied.
• AMS Test Mode
1. Select the function "TAPE A" or "TAPE B".
2. Select Loop or Relay direction mode by pressing the
[DIRECTION] button. Insert a test tape AMS-110A or AMS-120
to selected tape deck.
3. Press the [AMP MENU] button to enter the AMS test mode.
4. After the test tape is rewind to the beginning of the tape, the
AMS+ is checked, and the mechanism is shut off after detecting
the AMS signal twice.
5. Then the AMS– is checked and the mechanism is shut off after
detecting the AMS signal twice.
6. When the check is complete, a message of either OK or NG
appears on the fluorescent indicator 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 x (TAPE B) button, [TUNER ENTER] button, and ?/1
button simultaneously.
2. The fluorescent 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 [PLAY MODE] button and ?/1 button simultaneously.
The message "VACS OFF" or "VACS ON" appears on the
fluorescent indicator tube.
HCD-ZX6/ZX8
21