Sony HCD-GN700 Скачать руководство пользователя

Страница: 16 / 72

HCD-GN700/GX8800

SECTION 4

TEST MODE

[GC TEST MODE]

• This mode is used to check the fluorescent indicator tube, LED,

model, destination, software version, volume, key and VACS
level.

Procedure:

1. Press

button,

[AMP MENU

]

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,
TA version, TM version and TC 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

“K 0 V 0”.
Each time a button is pressed, “K” value increases. However,
once a button has been pressed, it is no longer taken into account.
“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 + B”. A is VACS level which is trigger
by signal level while B is VACS level which is trigger by thermal.
Total VACS value would be the sum of A and B.

9. When

[DISC SKIP/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

[DISC SKIP/EX-CHANGE]

button again, another

half of alternate segments in fluorescent indicator tube would
light up. Pressing

[DISC SKIP/EX-CHANGE]

button again

would case all segments lights up.

10. To release 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

[DISC 3]

button

simultaneously.

2. The TAPE A and TAPE B segments flash on the fluorescent

indicator tube. The function is changed to VIDEO.

* Check of Amplifier

1. When

button is pressed, GEQ increases to its maximum and

a message “GEQ MAX” appears on the fluorescent indicator
tube.

2. When

button is pressed, GEQ decreases to its minimum and

a message “GEQ MIN” appears on the fluorescent indicator
tube.

3. When

button or

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 for two seconds, then the display
returns to the original display.

5. When the

[VOLUME]

knob is turned counter-clockwise even

slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears for two seconds, then the
display returns to the original display.

* Check of clock frequency
1. To check the frequency of clock used to run the clock of the

system, the clock output is available at IC501 pin

(CLOCK-

OUT) on the MAIN board during MC test mode.

2. The frequency is 32.768 kHz.

* 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. After recording is stopped by pressing

button, press

button will change the function to TAPE B and rewind Tape B
until the recording start position and playback of 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 tape deck B is rewind, tape deck B 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