Model Name Using Similar MechanismCDP-XE220/XE320
CD Mechanism TypeCDM14FL-5BD29C
Base Unit NameBU-5BD29C
Optical Pick-up NameKSS-213BA/F-NP
SPECIFICATIONS
Compact Disc Player
LaserSemiconductor laser (λ = 780 nm)
Emission duration: continuous
Laser outputMax 44.6 µW*
* This output is the value measured at a distance of
200 mm from the objective lens surface on the
Optical Pick-up block with 7 mm aperture.
Frequency response 2 Hz to 20 kHz ± 0.5 dB
Signal-to-noise ratio More than 100 dB
Dynamic rangeMore than 92 dB
Harmonic distortion Less than 0.005%
Channel separation More than 95 dB
Output
JackMaximumLoad
typeoutputimpedance
level
LINE OUTPhono2 VOver 10 kΩ
jacks(at 50 kΩ)
DIGITAL OUTOptical–18 dBmWave length:
(OPTICAL)output660 nm
connector
General
Power requirements220 V – 230 V AC, 50/60 Hz
Power consumption10W
Dimensions (approx.) 430 × 110 × 290 mm
(w/h/d)(17 × 4
Mass (approx.)3.1 kg (6 lbs 14 oz)
2. GENERAL .......................................................................... 4
3. DISASSEMBLY
3-1. Front Panel ············································································ 5
3-2. Base Unit (BU-5BD29C) ······················································ 5
4. TEST MODE ....................................................................... 6
6-8. IC Pin Functions ................................................................. 23
6-9. IC Block Diagrams ............................................................. 29
7. EXPLODED VIEWS
7-1. Main Section ....................................................................... 32
7-2. CD Mechanism Section (CDM14FL-5BD29C) ................. 33
7-3. Base Unit Section (BU-5BD29C) ....................................... 34
8. ELECTRICAL PARTS LIST ........................................ 35
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DO TTED LINE WITH
MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
— 2 —
MODEL IDENTIFICATION
— BACK PANEL —
Parts No.
PARTS No.MODEL
4-214-171-0
4-214-171-1
AEP, North European, CIS
UK
http://cxema.ru
SECTION 1
SERVICING NOTE
HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH
TURNS OFF
Insert a tapering driver into the aperture of the unit bottom, and turn
in the direction of arrow.
*
To close the disc table, turn the driver in the reverse direction.
Pull out disc table.
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer
electrostatic breakdown because of the potential difference
generated by the charged electrostatic load, etc. on clothing and
the human body.
During repair, pay attention to electrostatic breakdown and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the “S curve check” in “CD section adjustment” and
check that the S curve waveform is output two times.
9 P (pause) button
0 · (play) button
!¡ § OPEN CLOSE button
!™ Display window
!£ TIME button
!¢ REPEAT button
!∞ PLAY MODE button
* AMS is the abbre viation for Automatic Music Sensor.
63457
890!¡!™!£!¢!∞
— 4 —
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SECTION 3
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
3-1. FRONT PANEL
• In order to remove the front panel block when the power supply
does not turn on, rotate the cam with tapering driver as the figure
shows, and the loading part will be moved.
Then pull out the loading part by your hand to remove the loading
panel as the figure shows. After that take out the front panel block.
Tapering driver
Loading panel
Loading part
3-2. BASE UNIT (BU-5BD29C)
1
Turn the cam to the direction of
arrow (counter clock wise) by
tapering driver.
BU-5BD29C
3
Yoke bracket
4
Remove the Base unit
(BU-5BD29C) to the direction
of arrow.
2
Take off the disc table.
— 5 —
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SECTION 4
TEST MODE
4-1. AF MODE
The following checks can be performed in the AF mode, which is
set by connecting the TP2 (JW40 : AF ADJ) terminal on MAIN board
to the Ground and turning on the power.
• FL tube check
After all segments light up, when the · button is pressed
continuously, the follo wing will be displayed . (Partial lighting 1)
8 8 8
When the p button is pressed continuously , the following will be
displayed. (partial lighting 2)
24
6810
1214
161820
When the OPEN/CLOSE § button is pressed continuously, all
will light up again.
• Key check
All buttons have corresponding button numbers. When a button
is pressed, the counter will count up and display the button’s
number. Ho we ver, the counter will only count to “13”. It will not
count for buttons already pressed once, but will display the button’ s
number.
(Partial lighting 1)
(Partial lighting 2)
4-2. ADJ MODE
The following operations are performed in the ADJ mode, which
is set by connecting the TP3 (JW41 : ADJ) terminal to the Ground
and turning on the power.
FUNCTIONS OF NUMBER BUTTONS
(With the general remote commander)
Button
1
2
3
4
5
6
7
8
9
10
Focus bias adjustment plus (Not used in servicing)
EF-BALANCE adjustment plus (Not used in servicing)
Tracking servo off
Tracking gain adjusting plus (Not used in servicing)
Laser power control off (Not used in servicing)
Focus bias adjustment minus (Not used in servicing)
EF-BALANCE adjustment minus (Not used in servicing)
Tracking servo on
Tracking gain adjustment minus ((Not used in servicing)
Laser power control on (Not used in servicing)
Function
4-3. Aging Mode
This unit is equipped with an aging mode to check operations of the
mechanism deck.
• When faults occur:
Aging stops, and the state when aging stopped is displayed on the
fluorescent display tube.
• When no fault has occurred:
Aging is continued repeatedly.
888888
Â
Display of counting
Button
P
ENTER (AMS)
0
)
TIME
REPEAT
PLAY MODE
Button No.
Displayed
Display of button number
02
04
05
06
07
08
09
When the AMS knob is rotated to the right, the music calendar
changes from 1 n – – n 20 n 1.
When rotated to the left, it changes from 20 n 1 n 20 – –
• Remote commander check
When the · button of the remote commander is pressed, the
“·” lights up. All go off when the other buttons are pressed.
Â
Button
PEAK SERCH
CHECK
CLEAR
OPEN/
CLOSE §
PLAY ·
STOP p
Button No.
Displayed
10
11
12
All lit
Partial lighting 1
Partial lighting 2
Aging method 1
(When using the aging mode remote controller (J-2501-123-A)):
1.Press the U button and turn ON the power.
2.Set the disc on the tray.
3.Press the AGING START button of the aging remote controller .
4.Aging starts and the message shown in Fig. 1 is displayed on
the fluorescent display tube.
5.To end, press the U button.
Aging method 2 (When no aging mode remote controller):
1.Press the U button and turn ON the power.
2.Set the disc on the tray.
3.Press the ∏ button, CHECK button, and PLAY MODE
button together in this order.
4.Aging starts and the message shown in Fig. 1 is displayed on
the fluorescent display tube.
5.To end, press the U button.
Fig. 1 Message in Aging Mode
Code
No.
0
Load in
1
Access to TOC
2
Access to last track
3
Playback of last track
(3 seconds)
4
Access to first track
5
Playback of first track
(3 seconds)
6
Load out
State
Display when
normal
A0
A1
A2
Counter display
A4
Counter display
A6
Display when
abnormal
E0
E1
E2
E3
E4
E5
E6
— 6 —
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[ MAIN BOARD ] — Component Side —
TP3
(JW41: ADJ)
CN402
IC401
TP2
(JW40: AF ADJ)
— 7 —
http://cxema.ru
SECTION 5
oscilloscope
BD board
TP (TEO)
TP (VC)
oscilloscope
BD board
TP (TEO)
TP (VC)
ELECTRICAL BLOCK CHECKING
Note:
1.CD Block is basically designed to operate without adjustment.
Therefore, check each item in order given.
1.Connect oscilloscpe to test point TP (TEO) on BD board.
2.Turn Power switch on.
3.Put disc (YEDS-18) in to play the number five track.
4.Press the “P (Pause)” button. (Becomes the 1 track jump mode)
5.Check the level B of the oscilliscope's waveform and the A
(DC voltage) of the center of the Traverse waveform.
Confirm the following :
A/B x 100 = less than ± 7%
A
Within 3
B
±
1 Vp-p
6.After check, remove the lead wire connected in step 2.
Note :
• Try to measure several times to make sure than the ratio of A : B
or B : A is more than 10 : 7.
• Take sweep time as long as possible and light up the
brightness to obtain best waveform.
RF Level Check
BD board
TP (RF)
TP (VC)
oscilloscope
Procedure :
1.Connect oscilloscope to test point TP (RF) on BD board.
2.Turn Power switch on.
3.Put disc (YEDS-18) in to play the number five track.
4.Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
1 track jump waveform
Center of the waveform
B
0V
level : 500
±
100 mVp-p
symmetry
A (DC voltage)
E-F Balance Check (With remote commander)
Procedure :
1.Connect the test point TP3 (ADJ) on MAIN board to the ground
with a lead wire on main board.
2.Connect oscilloscpe to test point TP (TEO) on BD board.
3.Turn the Power switch on to set the ADJ mode.
4.Put disc (YEDS-18) in to play the number five track.
5.Press the “3” button. (The tracking servo is turned OFF.)
— 8 —
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MAIN board
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
BD board
LOADING board
POWER SW board
KEY board
DISPLAY board
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
: Through hole.
®
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
• b : Pattern from the side which enables seeing.
For printed wiring boards.
For schematic diagrams.
(The other layers' patterns are not indicated.)
Note:
• X : parts extracted from the component side.
•
W or less unless otherwise
4
/
1
specified.
50 WV or less are not indicated except for electrolytics
and tantalums.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All resistors are in Ω and
(Side A)parts face are indicated.
: internal component.
with mark ! are critical for safety.
¢
•
Replace only with part number specified.
Note: The components identified by mark ! or dotted line
• C : panel designation.
These are omitted
C
Q
• Indication of transistor
under no-signal (detuned) conditions.
no mark : STOP
• U : B+ Line.
• V : B– Line.
• Voltages and waveforms are dc with respect to ground
EB
: Impossible to measure
∗
() : PLAY
EB
C
Voltage variations may be noted due to normal produc-
tion tolerances.
• Voltages are taken with a V OM (Input impedance 10 MΩ).
These are omitted
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
J : CD
• Circled numbers refer to waveforms.
• Signal path.
– 10 –
c : digital out
Adjustment Location :
[ BD BOARD ] — Side A —
Center of the waveform
(DC voltage) of the center of the Traverse waveform.
Confirm the following :
A/B x 100 = less than ± 7%
Traverse waveform
6. Check the level B of the oscilliscope's waveform and the A
(VC)
)
A (DC voltage
B
0V
(FOK)
(RF)
100 mVp-p
±
level : 500
Confirm the C (DC voltage) is almost equal to the A (DC
voltage) is step 6.
7. Press the “8” button. (The tracking servo is turned ON.)
IC101
(FEO)
(TEO)
– 9 –
C (DC
voltage)
Tracking servo
ON
IC401
Tracking servo
OFF
CN402
Traverse waveform
0V
8. Disconnect the lead wire of TP3 (ADJ) connected in step 1.
[ MAIN BOARD ] — Component Side —
TP2 (JW40: AF ADJ)
TP3 (JW41: ADJ)
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