Sony CMT-PX333 / HCD-PX333 Service Manual ▷ View online
29
HCD-PX333
3-19. BASE UNIT (BU-21BD53), HOLDER (55-BU21)
3-20. TRAY (CDM), LOADING BOARD
5
base unit (BU-21BD53)
4
insulator (BU21)
4
three insulators (BU21)
7
shaft (BU21)
8
holder (55-BU21)
6
spring, cone coil
6
three springs, cone coil
1
three screws (+PTPWH M2.6), floating
2
screw (+PTPWH M2.6),
floating
3
2
belt (CDM55)
3
Pull the tray (CDM)
while pushing the claw.
4
two screws
(+BTP2.6
×
6)
5
LOADING board
1
Rotate the gear (B) in the
direction of arrow
A
.
claw
A
30
HCD-PX333
3-21. CAM (CDM55)
2
lever (SW)
1
spring, torsion
6
gear (B)
3
spacer (55)
4
pulley (LDG)
5
gear (A)
7
roller
8
cam (CDM55)
31
HCD-PX333
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
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
[VOLUME ]
,
[REC MODE]
, and
x
(MD) simultaneously.
3. The set is reset, and displays “See you”, then becomes standby status.
AMP TEST
Procedure:
1. Press the
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – , M > TUNING +
,and
M >
(MD) simultaneously.
3. Each buttons are pressed, it changes display as follows.
Button
Display
x
(CD)
7[TESTMIN]
REC MODE
8[TESTMID]
x
(MD)
9[TESTMAX]
4. Press the
[VOLUME +]
button, the display switches “VOLUME 21” to “VOLUME MAX”. And the display returns to the original
display after a few second.
5. Press the
[VOLUME -]
button, the display switches “VOLUME 21” to “VOLUME MIN”. And the display returns to the original
display after a few second.
6. To release from this mode, press the
?
/1
button to turn the power off and cold reset.
VERSION DISPLAY
Procedure:
1. Press the
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – , M > TUNING +
, and
[TUNER/BAND]
simultaneously.
3. Enter the version display mode and STR version is shown in the upper position, the distination is shown in the lower position
4. Each time the
4. Each time the
x
(MD) button is pressed, it changes display STR version
→ CD version → MD version → STR version → ...
5. To release from this mode, press the
?
/1
button to turn the power off.
LCD AND LED TEST
Procedure:
1. Press the
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – , M > TUNING +
, and
x
(MD) simultaneously.
3. Liquid crystal display and LEDs are all turned on.
4. Each time the
4. Each time the
x
(MD) button is pressed, it changes display all turned on
→ all turned off → pattern 1 → pattern 2 → all turned on → ...
5. Each time the
x
(CD) button is pressed, it changes LED indication all turned on
→ all turned off →
“?/1”
→
“
REC
”
→
“N”
(MD)
→
“X”
(MD)
→
“N”
(CD)
→
“X”
(CD)
→ all turned on → ...
6. To release from this mode, press the
?
/1
button to turn the power off.
–
SECTION 4
TEST MODE
Note 1:
About “R”
As this unit has only a few buttons, some operations require the use of remote commander (RM-S55EN/provided with unit: 1-476-664-21)
buttons. These operations are indicated as “R” in this manual.
Example:
As this unit has only a few buttons, some operations require the use of remote commander (RM-S55EN/provided with unit: 1-476-664-21)
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 ?
In this case, press the ?
/1
button to turn the power off, and retry to enter the MD test mode.
KEY TEST
Procedure:
1. Press the
1. Press the
?
/1
button to turn the power on.
2. Press three buttons of
.m TUNING – , M > TUNING +
, and
.m (MD)
simultaneously.
3. Enter the key test mode and display “KEY00”.
4. Each time a button is pressed, “KEY” value increases. However, once a button is pressed, it is no longer taken into account.
5. To release from this mode, press three buttons in the same manner as step 2 , or disconnect the power cord.
4. Each time a button is pressed, “KEY” value increases. However, once a button is pressed, it is no longer taken into account.
5. To release from this mode, press three buttons in the same manner as step 2 , or disconnect the power cord.
PATTERN 1
PATTERN 2
CD
DBFB
OVER
TRACK
TOC
SYNC
IT HCMS
2 MONO
PRESET
SHUFFLE
c
DAILY
c
REC 2
1
MD
OVER
DISC
TEXT
S.F EDIT
NORM
REC
L-SYNC
HIGH
LP 4
MONO
TUNED
MANUAL AUTO
PROGRAM REPEAT
1 3 SLEEP
32
HCD-PX333
MD SECITON
1. PRECAUTIONS FOR USE OF TEST MODE
• As operations related to loading will be performed regardless of the test mode operations being performed, be sure to check that the disc
is stopped before setting and removing it.
Even if the Z (MD) button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not
stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the Z (MD) button after pressing the
Even if the Z (MD) button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not
stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the Z (MD) button after pressing the
MENU/NO “R”
button and the rotation of disc is stopped.
1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC 2MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory (Iop Compare)
• Write current Iop value in read nonvolatile memory using microprocessor (Iop NV Save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory (Iop Compare)
• Write current Iop value in read nonvolatile memory using microprocessor (Iop NV Save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the
[REC/REC IT]
button.
2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: 1. Press the
Procedure 1: 1. Press the
?
/1
button to turn the power on.
2. Press the
[FUNCTION]
button to set the MD function.
3. Press three buttons of
M >
TUNING + ,
[REC MODE]
, and
. m (MD)
simultaneously.
When the test mode is set, “[Check]” will be displayed. Pressing the
.
“R”
or
>
“R”
button between the following
three groups; ···Tt [Check] Tt [Service] Tt [Develop] Tt ···.
Procedure 2: 1. Press the
?
/1
button to turn the power on.
2. Press the
[FUNCTION]
button to set the MD function.
3. Press three buttons of
x
(CD) ,
[REC MODE]
, and
M >
(MD) simultaneously.
When the test mode is set, “AUTO CHECK” (C01) will be displayed. By setting the test mode using this method, only the
“Check” group of procedure1 can be executed.
“Check” group of procedure1 can be executed.
Note:
Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the
MENU/NO “R”
button immediately to exit the [Develop] group.
3. RELEASING THE TEST MODE
Press the
[REPEAT STEREO/MONO]
button to display “Initialize”, then release the MD test mode.
4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the
.
“R”
,
>
“R”
,
ENTER/YES “R”
and
MENU/NO “R”
.
The functions of these buttons are as follows.
Function name
Function
.
“R”
, >
“R”
buttons
Changes parameters and modes
ENTER/YES “R”
button
Proceeds onto the next step. Finalizes input
MENU/NO “R”
button
Returns to previous step. Stops operations
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