Sony CDP-715 User manual

|
COP-119/ Tok
SERVICE MANUAL
AEP Model
E Model
CDP-715
UK Model
CDP-715E
Photo : CDP-715
Model Name Using Similer Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
SPECIFICATIONS
Compact disc player Power consumption 13W
Laser
Semiconductor
laser
Dimensions
(approx.,
including
projections)
Wavelength
780
~
790
nm
430
x
110
x
295
mm
(w/h/d)
Frequency response 2 Hz to 20 kHz +0.5 dB (17 x 43/3 x 113/s inches)
Signal-to-noise ratio More than 112 dB Mass (approx.) 4.1 kg (9 lb 1 oz)
Dynamic range More than 99 dB
Harmonic distortion Less than 0.0025%
Channel separation More than 105 dB Remote commander
Remote control system Infrared control
Outputs
LINE OUT (FIXED) (phono jacks)
Output level 2 V (at 50 kilohms)
Load impedance over 10 kilohms
LINE OUT (VARIABLE) (phono jacks)
Output level max. 2 V (at 50 kilohms)
Load impedance over 50 kilohms
DIGITAL OUT (OPTICAL) (optical output connector)
Wavelength 660 nm
Output level -18 dBm
PHONES (stereo phone jack)
Output level max. 10 mW
Load impedance 32 ohms
General
Power requirements
European model (CDP-715):
220 V — 230 V AC, 50/60 Hz
Model for other countries (CDP-715):
110 V — 120 V, 220 — 240 V AC,
50/60 Hz, adjustable
UK model (CDP-715E):
240 V AC, 50/60Hz
Power
requirements
3
V
DC
with
two
R6
(size
AA)
batteries
Dimensions
(approx.,
including
projections)
44
x
21
x
185
mm
(w/h/d)
(13/4x
7/8
x
7°/s
inches)
Mass
(approx.)
100
g
(4
0z)
Supplied
accessories
Audio
connecting
cord
(1)
(2
phono
plugs
-
2
phono
plugs)
Remote
commander
(1)
Sony
SUM-3
(NS)
batteries
(2)
Design
and
specifications
are
subject
to
change
without
notice.
COMPACT DISC PLAYER
SONTY.

TABLE OF CONTENTS
Laser component in this product is capable of emitting radiation Section Title Page
exceeding the limit for Class 1.
Tx: “SERVICING: NOV E exychiseseoicass viccitesnensitnetuntaesitaccest 3
This appliance is classified as a 2. GENERAL
CLASS 1 LASER product. The sae
CLASS
1
LASER
PRODUCT
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Identifying
the
Parts
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Tea CLASS 1 LASER PRODUCT Identifying the Parts .. 4
KLASS 1LASERAPPARAT [| MARKING is located on the rear
ae. 3. DISASSEMBLY
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The following caution label is located inside the unit.
as
4
ELECTRICAL
BLOCK
CHECKING...............00000.
6
CAUTION — : INVISIBLE LASER RADIATION WHEN OPEN,
AVOID EXPOSURE TO BEAM.
ADVARSEL : siexenncosarsAVDERE ER UDE AF FUNKTION 5. DIAGRAMS
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5-6. !C Pin Functions
¢1C101 Digital Servo & DSP (CXD2515Q)... ee 23
* 1C801 Master Control (CXP82316-037Q)........cceeee 26
6. EXPLODED VIEWS
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6-2. Front Panel Section ..........ccccccssssssescsscesssssssssseenseeeseasesnae 28
6-3. CD Mechanism Section (CDM25C-5BD1 0B) .............0+ 29
6-4. Optical Pick-up Block Section (BU-5BD10B).............00. 30
6. ELECTRICAL PARTS LIST ...0.... eee 31
Notes on chip component replacement SAFETY-RELATED COMPONENT WARNING !!
¢ Never reuse a disconnected chip component. COMPONENTS IDENTIFIED BY MARK A OR DOTTED
¢ Notice that the minus side of a tantalum capacitor may be LINE WITH MARK A\ ON THE SCHEMATIC DIAGRAMS
damaged by heat. 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.

MODEL IDENTIFICATION
— Specification Label —
CDP-715
=
MODEL NO. 7
SONY.
COMPACT DISC PLAYER
SERIAL NO,
~ MADE IN JAPAN
MADE IN FRANCE
AEP,German model : AC220—230V, 50/60Hz, 13W
UK model : AC240V, 50/60Hz, 13W
E model : AC 110 — 120, 220 — 240V,
50/60Hz 13W
SECTION 1
SERVICING NOTE
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer
electrostatic break-down because of the potential difference
generated by the charged electrostatic load, etc. on clothing and
the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repain 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
1. Make POWER switch on with no disc inserted and disc
table closed.
2. Confirm that the following operation is performed while
observing the objective lens.
Front Panel side
@ Confirm that laser beam is spread.
@ Up and down motion of the objective lens. (3 times)

SECTION 2
This section is extracted from
GENERAL instruction manual.
Refer to the pages indicated in parentheses
for details.
Front Panel/
Remote Commander ;
[1] POWER switch (16)
[2] Disc tray (16)
[3] </> (manual search) buttons
(oFese] an [em]en[en Te) (20)
ec aee [4] I<k1/D>D>4 (AMS") buttons (20, 34, 48)
Qaieoama () M@ (stop) button (16)
[6] 81 (pause) button (16)
[>(play) button (16)
& OPEN/CLOSE button (16)
[9] Display (16)
(10, TIMER switch
TIME button (18)
REPEAT button (40)
(CLEAR REPEAT button on the remote
a commander)
FADER button (44)
A.SPACE/A.CUE button (22, 24)
(15] MUSIC SCAN button (38)
(16) Numeric buttons (20, 28, 32, 44, 46)
>20 (over 20) button (20)
(>10 (over 10) button on the remote
commander)
(18! CHECK (program check) button (36)
{19} CLEAR (program clear) button
(28, 30, 36)
20} LINE OUT/PHONE LEVEL contro!
(12, 16)
(LINE OUT LEVEL +/-— buttons on the
remote commander)
21] PHONES jack (16)
22] Play mode buttons:
CONTINUE button (26, 30)
SHUFFLE button (26, 28, 30)
PROGRAM button (32, 34)
|
(23
EDIT/TIME
FADE
button
(46,
52)
(24, PEAK SEARCH button (54)
"
25|
A
«+
B
button
(42)
* AMS is the abbreviation of Automatic
Music Sensor.
SI
iS

SECTION 3
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order
given.
3-1. FRONT PANEL
* When removing the front panel assembly on electric power
failure, first open the loading block by turning cam with a
screwdriver as shown in the figure, next pull out the load-
ing block with hand, and remove the loading panel as
shown in the figure, Then remove the front panel
assembly.
bottom of chassis
@ Turn in the direction
of the arrow.
@ Remove loading panel in the arrow direction.
@ Pull out side table.
3-2. MD (BU-5BD10B)
@ Turn the cam to the direction of arrow (Counter clock
wise) by minus screw driver.
@ Take off the disc table. @ BU-58D10B
@ Yoke bracket
© Remove the yoke bracket. oe
@
Remove
the
MD
(BU-5BD10B)
to
the
direction
of
8
arrow.

SECTION 4
ELECTRICAL BLOCK CHECKING
Note :
1. CD Block basically constructed to operate without
adjustment. Therefore, check each item in order given.
2. Use YEDS-18 disc (3-702-101-01) unless otherwise
indicated.
3. Use the oscilloscope with more than 1OMQ impedance.
4. Clean an object lens by an applicator with neutral detergent
when the signal lever is low than specified value with the
following checks.
S Curve Check oscilloscope
BD board
nN
TP(FE)
TP(VC)
Procedure :
1. Connect oscilloscope to test point TP (FE) on BD board.
2. Connect between test point TP (FEI) and TP (VC) by lead
wire.
3. Turned Power switch on.
4. Put disc (YEDS-18) in and turned Power switch on again
and actuate the focus search. (actuate the focus search when
disc table is moving in and out.)
5. Check the oscilloscope waveform (S curve) is symmetrical
between A and B. And confirm peak to peak level within
3+1 Vp-p.
S curve waveform symmetry
within 3+ 1 Vp-p
6. After check, remove the lead wire connected in step 2.
Note :
¢ Try to mesure 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 ;
oscilloscope
BD board
a"
TP(RFO)
TP(VC)
Procedure :
1. Connect oscilloscope to test point TP (RFO) on BD board.
2. Turned Power switch on.
3. Put disc (YEDS-18) in and playback.
4. Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
Note :
Clear RF signal waveform means that the shape “<>” can be
clearly distinguished at the center of the waveform.
VOLT/DIV : 200mV
RF
signal
waveform
TIME/DIV
:
500nS
ngevente
\ RR
WANN
000000 MWY MA
E-F Balance Check
CAAKAP
an
level :
1.27930 VP-P
oscilloscope
(DC range)
BD board
om,
TP(TE)
TP(VC)
Procedure :
1. Connect test point TP (ADJ) on MAIN board to ground and
TP(TED to TP (VC) with lead wire.
Connect oscilloscpe to test point TP (TE) on BD board.
Turned Power switch on.
Put disc (YEDS-18) in and playback.
Confirm that the oscilloscope waveform is symmetrical on
the top and bottom in relation to 0Vdc, and check this level.
Shae te
Traverse osilloscope
ih
i
iy
symmetry
level : 2+1 Vp-p
6. Remove the lead wire connected in step 1.
RF Free-run Frequency Check
Procedure :
1. Connect frequency counter to test point (PLCK) with lead
wire.
frequency counter
2. Turned Power switch on.
3. Confirm that reading on frequency counter is 4.3218MHz.

Adjustment Location :
[
BD
BOARD
]
—
Conductor
Side
—
[
MAIN
BOARD
]
—
Component
Side
—

SECTION 5
DIAGRAMS
5-1. CIRCUIT BOARDS LOCATION
BD board
TRANS board
: MAIN board
LOADING board aA
VR board
2
HEADPHONE board
DISP-1 board
DISP-2 board

5-2. SEMICONDUCTOR LEAD LAYOUTS
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1N4148M
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5-3. BLOCK DIAGRAM
OPTICAL PICK-UP BLOCK (KSS-240A)
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VOLTAGE
SELECTOR
110-120V --220-240V
CDP-715/715E

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5-5. SCHEMATIC DIAGRAM
«See pages 23 to 26 for IC Pin Functions.(iC101, 1C801)
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APPROX 200mVp-p
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1C302
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8
9
10
11
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12
13
14
15
16
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5-6. IC PINFUNCTIONS
e 1C101 Digital Servo & DSP (CXD2515Q)
Sled drive output (Not used)
Pin Name
SRON
SRDR
SFON
TFDR
TRON
TRDR
7 TFON
FFDR
FRON
FRDR
FFON
VCOO
VCOI
ES
DVss
ES
ES
Sled drive output
Focus drive output
Focus drive output (Not used)
Focus drive output (Not used)
VCO output for analog EFM PLL (Not used).
VCO output for analog EFM PLL
TEST pin connected normally to GND
Digital GND
rN
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10
11
2
13
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15
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19
20
21
22
23
24
25
26
AVD2 Analog power supply
IGEN
AVS2
ADII
ADIO
RFDC
Power supply pin for operational amplifiers
Analog GND
Input pin for A/D converter
Operational amplifier output pin
RF signal input
la! es)
Tracking error signal input
oo
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Sled error signal input
i)
o
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Ww N ~
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30
31
32
<
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Center voltage input pin
FILO
FILI
PCO
CLTV
AVSI
RFAC
BIAS
ASYI
ASYO
AVD1
Filter output for master PLL
Filter input for master PLL
Charge-pump output for master PLL
Analog GND
EFM signal input
Asymmetry circuit constant current input
Asymmetry comparate voltage input
34
35
36
37
38
39
40
Control voltage input for master VCO
EFM full swing output
Analog power supply

_ Pin Name Vo
DVppD
ASYE
43 PSSL
44 WDCK
45 LRCK
46 DATA
47 BCLK
48 64DATA
49 64BCLK
50 64LRCK
51 GTOP
52 XUGF
5a." XPLCK
GFS
PFCK
C2PO
XRAOF
MNT3
MNT2
MNT1
MNTO
XTAI
XTAO
XTSL
DVss
FSTI
FSTO
C4M
C16M
MD2
DOUT
EMPH
WFCK
SCOR
SBSO
EXCK
SUBQ
SQCK
MUTE
SENS
XRST
DIRC
SCLK
DFSW
ATSK
po Fametion
DA 14 output when PSSL=1. 64-bit slot data when PSSL=0 (Not used)
DA 10 output when PSSL=1. XUGF output when PSSL=0 (Not used)
41
42
ws
>
55
56
37
58
59
62
63
64
65
X’tal selection input pin
Digital GND
2/3 divider output of pins 62, 63
67 2/3 divider output of pins 62, 63
Sub-P through Sub-W serial output (Not used)
>
o
71
72
73
74
75
76
77
78
79
Input pin for anti-shock
82
83
84
85

Serial data input, supplied from IC801 (master control)
Latch input, supplied from IC801 (master control)
Serial data transfer clock input, supplied from IC801 (master control)
Numbers of track counted signal output (Not used)
Digital power supply
Mirror signal output (Not used) :
Defect signal output (Not used)
Output to select spindle motor output filter (Not used)
Input signal to detect disc inner most track
Sled drive output

e 1C801 Master Control (CXP82316-037Q)
Pin Name 0
TIMER
RM (BUSIN) ~
+5V
OPEN
OPEN
(BUS OUT)
7 PGML
Timer switch (S802) control input.
Sircs signal input from remote control receiver (IC802). (Audio bus input)
Connected to +5V.
} Not used. (open).
Audio bus output.
Latch signal output to digital filter (IC302).
eC
a
n
erial clock output.
ENSE signal input.
SENSE
10 DATA
Bt SQCK
12 SUBQ
13 OPEN
14 AMUTE
15 LDON
~"™
n
erial data output.
Read out clock output for subcode Q data.
ubcode Q data input.
Not used. (open)
Analog muting control signal output.
©
ptical pickup laser diode control output.
x
63 to 70 1G to 8G FL grid output.
VFDP (-30V)
Vpp (+5V)
71 -—30V pin for FL display tube.
Serial data latch signal output.
RV LED Remote commander volume LED.
ps
[ave
———=«dt
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Loading motor control signal output.
22t027 | KEYO to KEYS | 1 | Key input. ($803 to $843)
ADJ/AFADJ | — | ADJ, AFI test pin.
IN/OUTSW | 1 | Loading IN/OUT switch input.
| 31 | EXTAL | 1 | Clock input. (4 MHz)
XTAL | 0 | Clock output. (4 MHz)
We ee
34to41 | OPEN Not used. (open)
SI to $21 FL segment output.
i)
Ni Ww
74
75
76
SEL1
IN PORT
IN PORT
pinrorr | =
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78
[SCOR
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79 pS2 dT Connected to +5V.
fsa, Connected to GND.

Ref. No.
6-1.
oo on~l1o Ol m Conor
NOTE:
e Items marked “ * ” are not stocked since they
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delay should be anticipated when ordering
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¢ Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE). . . (RED)
t t
Parts color Cabinet’s color
SECTION 6
EXPLODED VIEWS
* -XX, -X mean standardized parts, so they may
have some difference from the original one.
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number in the exploded views are not supplied.
¢ Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
specified.
The components identified by mark
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critical for safety.
Replace only with part number
e G : German model
CABINET SECTION
23—# ee 22
ES
4-927-653-01 SHEET (F/P) (715E)
Remark
Part
No.
Description
Remark
|
Ref.No.
Part
No.
Description
4-962-733-21
PANEL,
LOADING
x
16
3-681-263-11
HOOK
(Made
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FRANCE)
3-703-685-21
SCREW
(+BY
3X8)
*
16
4-949-235-01
HOOK
(Made
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JAPAN)
(AEP,
E)
1-696-760-11
WIRE
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TYPE)
(23
CORE)
k
17
3-703-244-00
BUSHING
(2104),
CORD
(AEP,
G,
UK)
4-959-062-01
SHEET
(CDM)
*
17
3-703-571-11
BUSHING
(S)
(4516),
CORD
()
1-649-961-11
TRANS
BOARD
A\l8
1-696-907-11
CORD,
POWER
(UK)
4-952-197-01
PLATE
(TR),
GROUND
A\19
1-575-651-21
CORD,
POWER
(AEP,
G)
4-886-821-11
SCREW,
S
TIGHT,
+PTTWH
3X6
A\20
1-696-027-11
CORD,
POWER
(E)
A-4649-876-A
MAIN
BOARD,
COMPLETE
(Made
in
FRANCE)
A\21
1-569-007-11
ADAPTER,
CONVERSION
2P
(E)
(AEP,
G,
UK)
22
4-929-529-01
CASE
A-4673-040-A
MAIN
BOARD,
COMPLETE
(Made
in
JAPAN)
(AEP,
E)
23
3-363-099-01
SCREW
(CASE
3
TP2)
3-309-144-21
HEATSINK
24
3-704-366-01
SCREW
(CASE)
(M3X8)
(Made
in
JAPAN)
(AEP,
E)
24
3-363-099-01
SCREW
(CASE
3
TP2)
(Made
in
FRANCE)
4-956-885-11
FOOT
(F58175S2W)
(AEP,
E,
G)
(AEP,
G,
UK)
X-4941-014-1
FOOT ASSY
(UK)
25
4-614-901-01
INSULATOR,
TERMINAL
(715E)
4-962-238-12
PANEL
(ALS),
BACK
(Made
in
FRANCE)
(AEP,
G)
26
3-831-441-11
CUSHION
(715E)
4—962-238-22
PANEL
(ALS),
BACK
(715E)
4-964-449-01
PANEL,
BACK
(Made
in
JAPAN)
(AEP)
*
27
4-962-329-01
DAMPER
(715E)
28
4~955-939-31
WASHER
(CASE)
(715E)
4-964-449-11
PANEL,
BACK
(E)
Q933.
8-729-905-67
TRANSISTOR
2SD1944-K
4-955-939-31
WASHER
(CASE)
A\T901
—-1-423-518-11
TRANSFORMER,
POWER
(E)
4-959-121-01
DAMPER
AXT901
—1-449-922-11
TRANSFORMER,
POWER
(Made
in
JAPAN)
(AEP)
4-959-077-01
DAMPER
:
9-9]1-835-XX
CUSHION,
F
(715)
A\T901
—
1-449-925-11
TRANSFORMER,
POWER
(Made
in
FRANCE)
(AEP, G, UK)

6-2. FRONT PANEL SECTION
not supplied
pee ag
with RV701
snl
| Supplied
with J751
ip
not supplied
71
Ref.No.
Part
No.
Description
Remark
|
Ref.No.
Part
No.
Description
Remark
*
5]
A-4660-383-A
KNOB
(VOL)
ASSY
65
4-951-620-01
SCREW
(2.
6X8),
+BVTP
52
4-942-568-01
EMBLEM
(NO.5),
SONY
*
66
1-649-959-11
DISP-2
BOARD
53
4-962-237-11
PANEL,
FRONT
(UK)
*
67
A-4673-041-A
DISP-1
BOARD,
COMPLETE
53
4-96§2-237-21
PANEL,
FRONT
(AEP,
E,
G)
68
1-751-713-11
WIRE
(FLAT
TYPE)
(21
CORE)
54
4-955-929-11
PLATE,
INDICATION
69
4-947-034-01
BUTTON
(POWER)
55
X-4943-372-1
BASE
ASSY,
PANEL
70
4-922-518-11
KNOB
(TIMER)
56
4-955-934-11
BUTTON
(FILE)
71
4-933-135-02
RING
(DIA.
58A),
ORNAMENTAL
(AEP,
G,
E)
57
4-955-935-11
BUTTON
(20
KEY)
71
4-933-135-31
RING
(DIA.
58A),
ORNAMENTAL
(UK)
58
4-955-931-11
BUTTON
(PLAY)
D701
8-719-970-49
DIODE
BR4361F
59
4-955-932-11
BUTTON
(MMS)
FL801
1-519-757-11
INDICATOR
TUBE,
FLUORESCENT
60
4-955-933-11
BUTTON
(MODE
3)
J751
1-568-519-41
JACK,
LARGE
TYPE
(PHONES)
*
61
1-649-960-11
VR
BOARD
RV701
1-238-974-11
RES, VAR,
CARBON
10K/10K
62
1-751-712-11
WIRE
(FLAT
TYPE)
(11
CORE)
(LEVEL
OUT/PHONE
LEVEL)
*
63
4~922-980-01
HOLDER
(LED)
*
64
1-649-962-11
HEADPHONE
BOARD

6-3. CD MECHANISM SECTION (CDM25C-5BD10B)
. Part No. Description
1-646-970-11 LOADING BOARD
4-954-190-01 BASE (MD)
4-954-193-01 ROLLER (A)
4-917-583-21 BRACKET, YOKE
4-927-649-01 BELT
4-933-109-01 CAM
4-927-651-01 PULLEY (S)
4-927-628-01 GEAR (C)
4-933-107-01 GEAR (PL)
4-961-794-01 TABLE, DISK
Remark
Ref. No.
Part No. Description Remark
4-954-194-01 ROLLER (B)
4-954-199-01 PLATE, SLIDE
4-954-192-01 HOLDER (M)
1-452-538-11 MAGNET
4-959-996-01 SPRING (932), COMPRESSION
4-933-134-01 SCREW (+PTPWH M2. 6X6)
4-933-129-01 HOLDER (BU)
4-954-195-01 SPRING, TORSION
A-4604-363-A MOTOR (L) ASSY (LOADING)

6-4. OPTICAL PICK-UP BLOCK SECTION
(BU-5BD10B)
The components identified by mark
A\ or dotted line with mark A\ are
critical for safety.
Replace only with part number
specified.
. Part No.
Description
A-4649-432-A BD BOARD, COMPLETE
352 4-951-940-01 INSULATOR (BU)
353 4~917-565-01 SHAFT, SLED
8-848-144-11 OPTICAL PICK-UP BLOCK (KSS-240A)
355 4-917-567-01 GEAR (M)
356 4-917-564-01 GEAR (P), FLATNESS
Remark | Ref. No.
357
358
M101
M102
9101
Part No.
357
Description Remark
~ 1-575-001-11 WIRE, FLAT TYPE (12 CORE)
4-951-620-01 SCREW (2. 6X8), +BVTP
X-4917-523-3 MOTOR ASSY (SPINDLE)
X-4917-504-1 MOTOR ASSY (SLED)
1-572-085-11 SWITCH, LEAF (LIMIT)