Sony HCD-CP500K, Service Manual, Page: 20 / 94

20
HCD-CP500K/CP500MD
SECTION 4
TEST MODE
[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 customers.
Procedure:
1. Press
? / 1 button to turn the set ON.
2. Press three buttons
BAND
,
REC MODE
and
Z
(CD) simultaneously.
3. Press
?
/
1
button again, the LCD displays “Initialize” and the set is reset.
• Initialized conditions
FUNCTION : TUNER FM 87.5MHz
VOLUME
: MIN
DSG : ON
[PANEL Test Mode]
• This mode is used to check the software version, LCD, LED and keyboard.
Procedure:
1.
Press three bottons x (TAPE) , REC MODE and Z (CD) simultaneously.
2. LEDs and LCD are all turned on.
3. When you want to enter the software version display mode, press REPEAT/STEREO/MONO .The model name and destination are
displayed and “MD” and “CD” segments flash.
4. Each time REPEAT/STEREO/MONO is pressed, the display changes MC, GC, CD, CDD, CDMA,CDMB, BDA, BDB, ST, TA, TM,
TC and MD in this order, and returns to the top of the version display.
5. When REC MODE is pressed while the version numbers are being displayed, year, month and day of the software creation appear.
When REC MODE is pressed again, the display returns to the software version display. When REPEAT/STEREO/MONO is
pressed while year, month and day of the software creation are being displayed, the year, month and day of creation of the software
versions are displayed in the same order of version display.
6. Press
PLAYMODE/DIRECTION
button, and the key check mode is activated. In the key check mode, the LCD displays “K 0 J 0 V 0”.
Each time a button is pressed, “K 0” value increases. However, once a button is pressed, it is no longer taken into account. “J 0” value
increases like 1, 2, 3.... if rotating
BASS or TREBLE knob clockwise, or it decreases like 0, 9, 8.... if rotating counter-clockwise.
“V 0” value increases like 1, 2, 3.... if rotating
VOLUME
knob clockwise, or it decreases like 0, 9, 8.... if rotating counter-clockwise.
7. To exit 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, CD and Tape.
Procedure:
1.
Press the ? / 1 button to turn on the set.
2. Press the three buttons
x
(TAPE),
REC MODE
and
z REC
(MD) simultaneously.
3. The “MD” and “TAPE” segments flash.
4. When the VOLUME knob is rotated 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 rotated 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.
6. To exit from this mode, press three button BAND , REC MODE and Z (CD) (TAPE) simultaneously or disconnect the power cord.
Note 1:
About “R”
As this unit has only a few buttons, some operations require the use of remote commander (RM-SCP500/provided with unit: 1-476-754-11)
buttons. These operations are indicated as “R” in this manual.
Example:
MENU/NO “R” ...Press the
[MENU/NO]
button of the remote commander.
Note 2:
Incorrect operations may be performed if the MD test mode is not entered properly.
In this case, press the
?
/ 1
button to turn the power off, and retry to enter the MD test mode.