Sony CDP-CX57 Service Manual ▷ View online
– 9 –
BASE UNIT
BD BOARD, SLED MOTOR (M102)
1
wire (flat type) (16 core)
(CN101)
(CN101)
8
gear cover
2
screw
(B2
(B2
×
5)
7
three claws
4
BD board
3
Removal
four solders.
four solders.
!¡
sled motor
(M102)
(M102)
0
two screws
(2
(2
×
3)
5
claw
9
gear (B) (RP)
6
gear (A) (S)
1
two screws
(BTP2.6
(BTP2.6
×
8)
6
four screws
(PTPWH2.6
(PTPWH2.6
×
8)
3
screw
(BTP2.6
(BTP2.6
×
10)
2
bracket
4
reinforcement (small)
5
two tention springs
7
base unit
– 10 –
OPTICAL PICK-UP (KSS-213B/S-N)
3
Remove the optical
pick-up to direction
of the arrow
pick-up to direction
of the arrow
A
.
A
1
claw
2
sled shaft
– 11 –
SECTION 4
TEST MODE
ADJ MODE
1. Press the
I
/
u
button to turn ON the power, and open the front
cover.
2. Place the CD on the slit, close the front cover, and chuck the
the CD.
3. Press the
I
/
u
button to turn OFF the power.
4
Disconnect the power supply from the outlet.
5. Short-circuit the test point (TP ADJ) and test point (TP GND)
of the MAIN board with a lead wire.
6. Insert the power plug into the outlet.
The CD is played back automatically and the ADJ mode is set.
• Prohibits high speed search during accessing
• Ignores even if GFS becomes L
• Ignores even if GFS becomes L
ADJ Mode Special Function Table
(The buttons shown in the (
) function only when the remote
commander provided is used.)
Button
Function
(3)
(8)
CHECK
CLEAR
Tracking servo, sled servo OFF
Tracking servo, sled servo ON
Observation mode during S
Automatic eccentricity measurement (Not used for servicing)
Display of special functions in ADJ mode
• Observation mode during S
When this mode is set, the below will be displayed. *1
• Automatic eccentricity measurement (Not used for servicing)
When this mode is set, the below will be displayed.The
Sokuteichu count down display will be counted down from 4 to
to 1 *2.After counting down, the eccentricity value will be
displayed *3.
Sokuteichu count down display will be counted down from 4 to
to 1 *2.After counting down, the eccentricity value will be
displayed *3.
FLUORESCENT INDICATOR TUBE, LED ALL LIT,
AND KEY CHECK MODE
AND KEY CHECK MODE
1. Short-circuit the test point (TP ADJ) and test point (TP AFADJ)
of the MAIN board with a lead wire.
2. Insert the power plug into the outlet. The whole fluorescent
indicator tube lights up.
When the SRAM is faulty, “SRAMNG” will be displayed.
When the SRAM is faulty, “SRAMNG” will be displayed.
3. Pressing the
I
/
u
button sets the key check mode.
All buttons have individual button numbers.
When a button is pressed, the button number is counted up
and displayed.
When a button is pressed, the button number is counted up
and displayed.
Buttons and Corresponding Button Numbers
CLEAR
CHECK
FADER
MEMO SEARCH
INPUT
TIME/TEXT
PUSH ENTER
±
≠
REPEAT
PLAY MODE
I
/
u
X-FADE
NO DELAY
GROUP 5
GROUP 4
GROUP 3
GROUP 2
GROUP 1
GROUP FILE
·
P
p
PLUS ONE
MEGA CONTROL
DISC/CHARACTER
Button
Button Number or Display
ALL DISCS
S - J I m o d e
*1
CD1
ALL DISCS
Sokuteichu count down display
TRACK
MIN
SEC
NEXT
DISC
DISC
DISC
CD1
Sokuteichu -4
*2
ALL DISCS
CD1
H e n s hin 0 2 1
*3
Eccentricity value
1 DISCS
DISC
CD1
**
**
Count up display
Displays button number
0
1
2
3
4
5
6
8
9
14
15
16
17
18
24
25
26
27
28
29
All lit (LED lights up)
Partially lit 1 (LED lights up)
Partially lit 2
LED lights up
Partially lit 3 (LED lights up)
Partially lit 4
Each time JOG is rotated, GROUP FILE 1 2 3 4
5 is displayed on the fluorescent indicator tube,
and 1, 2, 3, 4, 5 light up one by one, and GROUP
LED 1, 2, 3, 4, 5 lights up one by one.
Clockwise : GROUP FILE 1
Each time JOG is rotated, GROUP FILE 1 2 3 4
5 is displayed on the fluorescent indicator tube,
and 1, 2, 3, 4, 5 light up one by one, and GROUP
LED 1, 2, 3, 4, 5 lights up one by one.
Clockwise : GROUP FILE 1
n2n3n4n5
Counterclockwise : GROUP FILE
5
n4n3n2n1
STANDBY LED OFF
PUSH OPEN
(DOOR SW ON)
STANDBY LED ON
PUSH OPEN
(DOOR SW OFF)
– 12 –
Partially lit 1
Partially lit 2
Partially lit 3
Partially lit 4
FLUORESCENT INDICATOR TUBE AND LED
CHECK MODE
CHECK MODE
This mode is set by pressing the
I
/
u
button while pressing the
[CHECK]
and
[PLUS ONE]
buttons in order in the power-off
(standby) state.
The whole fluorescent indicator tube lights up, and the
The whole fluorescent indicator tube lights up, and the
[STANDBY]
,
[MEGA CONTROL]
,
[GROUP1-5]
,
[PLUS ONE]
,
· and
P LEDs light up.
This mode can be exited by pressing the
I
/
u
button.
SHIPMENT MODE
(Set to this mode when returning the unit to the
user.)
(Set to this mode when returning the unit to the
user.)
This mode is set by pressing the
I
/
u
button while pressing the
[PUSH ENTER]
and
[PLUS ONE]
buttons in order in the power-
off (standby) state.
The power goes off automatically after the SRAM is all-erased
and the BD is opened (loading out state).
The power goes off automatically after the SRAM is all-erased
and the BD is opened (loading out state).
Test points and connecting points:
[MAIN BOARD] – CONDUCTOR SIDE –
AGING MODE
• Mode which repeatedly changes and plays back discs automati-
cally in the unit.
• It will repeat aging as long as no errors occur.
• If an error occurs during aging, it will stop all servos, motors,
• If an error occurs during aging, it will stop all servos, motors,
etc. instantaneously, display the error number, and stop opera-
tions. However, the stopping conditions differ according to
whether the unit is equipped with the “self-protection function
during errors” described later.
The function serves to maintain the state of the unit when errors
occur.
tions. However, the stopping conditions differ according to
whether the unit is equipped with the “self-protection function
during errors” described later.
The function serves to maintain the state of the unit when errors
occur.
Sequence of Aging Mode
$
$
$
$
$
$
$
$
$
Order of Disc Change
(1 cycle takes 3 minutes)
$
$
$
1. No. 51
2. No. 20
3. No. 40
4. No. 30
5. No. 10
6. No. 40*
$
$
$
$
1. Disc change
2. Load in
3. TOC read
4. Access of last track
5. 3 second playback
6. Access of first track
7. 3 second playback
8. Load out
*
DISC No. 40 chucks twice during one cycle.
To differentiate, the “
To differentiate, the “
[2nd]
” on the block indicator of the
fluo rescent indicator tube will light up during the second
chucking.
chucking.
Special Functions in Aging Mode
There are some useful function in the aging mode.
• Disc setting mode*1
• Switching of use/disuse of protection function in errors *2
• Aging cycle count function *3
• Disc setting mode*1
• Switching of use/disuse of protection function in errors *2
• Aging cycle count function *3
*1 Disc setting mode:
5 discs are set before setting the aging mode. This mode makes
the setting of these discs more easy.
the setting of these discs more easy.
*2 Switching of use/disuse of protection function in errors:
Function which voluntarily corrects errors which occur dur-
ing normal operations by retries.
If this function is not provided, all operations will be stopped
without retiring. It is suitable for checking errors with low re-
producibility.
If this function is provided, and errors can be corrected by
retries, aging will be continued without stopping.
(The normal aging should be performed with “be”.)
ing normal operations by retries.
If this function is not provided, all operations will be stopped
without retiring. It is suitable for checking errors with low re-
producibility.
If this function is provided, and errors can be corrected by
retries, aging will be continued without stopping.
(The normal aging should be performed with “be”.)
1 DISCS
CD1
A B C D E F
G
1 DISCS
CD1
1 DISCS
2nd
CD1
**
1 DISCS
CD1
**
GROUP FILE
1
TP
(GND)
TP
(AFADJ)
IC201
CN704
CN702
IC501
R504
R505
TP (ADJ)
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