Sony HCD-PX5, Service Manual

Page: 8 / 114

8
MC 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 the
I/ 1
button to turn the power on.
2. Press three buttons of
x
,
[CLEAR]
and
[FUNCTION]
simultaneously.
3. The set is reset, and displays “COLD RESET”, then becomes standby status.
AMP TEST
Procedure:
1. Press the
I/ 1
button to turn the power on.
2. Press three buttons of
x
,
[TUNER/BAND]
, and
Z
(CD1) simultaneously.
3. Each buttons are pressed, it changes display as follows.
Button Display
x 7[TESTMIN]
REC MODE 8[TESTMID]
ENTER/YES 9[TESTMAX]
MD Z 10[TESTSUR]
4.
[VOLUME]
knob is turned, it changes display as follows.
Turn Direction Display
counterclockwise VOLUME MIN
center VOLUME 21
clockwise VOLUME MAX
5. To release from this mode, press the
I/ 1
button to turn the power off and cold reset.
VERSION DISPLAY
Procedure:
1. Press the
I/ 1
button to turn the power on.
2. Press three buttons of
x
,
[TUNER/BAND]
and
[REPEAT]
simultaneously.
3. Enter the version display mode and display STR version.
4. Each time the
[ENTER/YES]
button is pressed, it changes display STR version
→
CD version
→
MD version
→
STR version
→
...
5. To release from this mode, press the
I/ 1
button to turn the power off.
LCD AND LED TEST
Procedure:
1. Press the
I/ 1
button to turn the power on.
2. Press three buttons of x ,
[TUNER/BAND]
and
[CD2]
simultaneously.
3. Liquid crystal display and LEDs are all turned on.
4. Each time the
[ENTER/YES]
button is pressed, it changes display all turned on
→
all goes off
→
pattern 1
→
pattern 2
→
all turned
on
→
...
5. Each time the x button is pressed, it changes LED indication all turned on
→
all goes off
→
turn on the green LEDs (*1)
→
turn on the
amber LEDs (*1)
→
all turned on
→
...
*1) The color changable LEDs are “CD
N X
”, “MD
N X
”, “CD1”, “CD2” and “CD3”.
6. To release from this mode, press the
I/ 1
button to turn the power off.
KEY TEST
Procedure:
1. Press the
I/ 1
button to turn the power on.
2. Press three buttons of x ,
[TUNER/BAND]
and
[CD1]
simultaneously.
3. Enter the key test mode and display “KEY00 JOG0VOL0”.
4. Each time a button (including
m and M of
[CURSOR]
knob) is pressed, “KEY” value increases. However, once a button is
pressed, it is no longer taken into account.
“JOG” value increases like 0, 1, 2 ... if turn the
[ENTER/YES]
knob clockwise, or it decreases like 9, 8, 7 ... if turn the
[ENTER/YES]
knob counterclockwise.
“VOL” value increases like 0, 1, 2 ... if turn the
[VOLUME]
knob clockwise, or it decreases like 9, 8, 7 ... if turn the
[VOLUME]
knob
counterclockwise.
5. To release from this mode, press three buttons in the same manner as step 2 , or disconnect the power cord.
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