HCD-WZ8D, MHC-WZ8D - Sony Audio Service Manual (repair manual). Page 14

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• 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 three buttons  x  ,   EQ EDIT  and  ?/1   simultaneously.
2. The liquid crystal display does not display any message and the

set is reset.

• This mode is used to select the function of MD or VIDEO.
Procedure:
1. Press the  ?/1  button to turn the set on.
2. Press the  MD(VIDEO)  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.

• Either the 9 kHz step or 10 kHz step can be selected for the AM

channel step.

Procedure:
1. Set the function to AM.
2. Turn off the main power.
3. While depressing the  x   button, press the  ?/1   button to turn

on the main power.

4. “AM 9k Step” or “AM 10k Step” is displayed and the channel

step is changed over.

* For E model only

• 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 DVD.
3. Press the  x    button and the  M    (Control lever) button

simultaneously.

4. After the "STANDBY" display blinks six times, the message

"LOCK" is displayed on the liquid crystal display, and the DVD
ship mode is set.

• This mode is used to perform the DVD Ship Mode with Cold

Reset.

Procedure:
1. Press the  ?/1  button to turn the set on.
2. Set the function to DVD.
3. Press three buttons  x    ,    z  START  (REC PAUSE) and

.m –  simultaneously.

4. After the "STANDBY" display blinks six times, the message

"LOCK" is displayed on the liquid crystal display, and the DVD
ship mode is set.

* Color system can be changed to PAL or NTSC.
Procedure:
1. Turn off the main power.
2. Press two buttons  X  and  ?/1  simultaneously.

“COLOR PAL” is displayed and the color system is changed to
PAL. The set is powered on and the function is set to DVD.

3. To change the color system to NTSC, turn off the main power.
4. Press two buttons  X  and  ?/1  simultaneously.

“COLOR NTSC” is displayed and the color system is changed
to NTSC. The set is powered on and the function is set to DVD.

• 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. Set the function to DVD.
3. Press two buttons of   x  and   Z   simultaneously for five seconds.
4. 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.

* This mode is used to check operations of the amplifier and tape

deck.

Procedure:
1. Press the  ?/1  button to turn the set on.
2. Press three buttons  x  ,  z START  (REC PAUSE) and  MUSIC

MODE  simultaneously.

3. “MD” is displayed and dotted lines blink.
4. Every pressing the  EQ EDIT  button changes the displays in

the order of “GEQ MIN” 

→ “GEQ FLAT” → “GEQ MAX”

5. When the  VOLUME  control knob is turned clockwise even

slightly, the sound volume increases to its maximum and the
message “VOLUME MAX” appears for two seconds, the display
returns to the original display.

6. When the  VOLUME  control knob is turned counterclockwise

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

7. When a tape is inserted in Deck B and by pressing the  z START

(REC PAUSE) button recording is started, the input source
function selects MD automatically.

8. During the recording by pressing the  .m –  button, the

TAPE A/B is selected and tape is rewound. Tape stops at around
the record-starting position and playback of the recorded portion
of the tape is started.

9. Press the  ?/1  button to turn the set off.

• This mode is used to check the software version, key board, VACS

level, liquid crystal display and LEDs.

Procedure:
1. Press three buttons  x      ,    z  START  (REC PAUSE) and

TUNER/BAND  simultaneously.

2. Segments of the liquid crystal display and LEDs are all turned

on.

3. To enter the software version display mode, press the  .m –

button. The model name and destination are displayed.

4. Each time the  .m –  button is pressed, the display changes

in the following order. MC, GC, CD, CDD, CDMA, CDMB,
BDA, BDB, ST, TA, TM, TC and MD. Each time the  + M >
button is pressed, the contents of the version display change.

5. Press the  hH  button, and the key check mode is activated.
6. In the key check mode, "K 0 V 0" is displayed. Each time a

button is pressed, "K 0" value increases. However, once a button
is pressed, it is no longer taken into account. "V 0" value
increases like 1, 2, 3 ... if rotaing the  VOLUME  knob clockwise,
or it decreases like 0, 9, 8 ... if rotating couterclockwise.

7. To exit from this mode, press three buttons in the same manner

as step 1, or disconnect the power cord.