9.ELECTRICAL PARTS LIST ............................... 45
NOTES ON HANDLING THE OPTICAL PICKUP 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.
Laser Diode Properites
• Material: GaAlAs
• Wavelength: 780 nm
• Emission Duration: continuous
• Laser Output Power: less than 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.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation exposure.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED
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.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE !
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
– 2 –
Page 3
Magazine ass’y
Lever (ML) ass’y
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by
the manufacturer.
Discard used batteries according to the manufacturer’ s instructions.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.
Udskiftning må kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
ADVARSEL
Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende type
anbefalt av apparatfabrikanten.
Brukte batterier kasseres i henhold til fabrikantens
instruksjoner.
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en likvärdig typ som
rekommenderas av apparattillverkaren.
Kassera använt batteri enligt gällande föreskrifter.
DISC MAGAZINE GETTING OUT PROCEDURE
ON THE POWER SUPPLY IS OFF
Remove the CASE (LOWER) assembly beforehand
1) Press the lever (ML) assy to arrow direction.
2) Removal the magazine assy.
Note: T ak e out the magazine only w hen the tray is completely within the
magazine. If the disk or tray is sticking out, turn on the power and
eject the magazine.
VAROITUS
Paristo voi räjähtää, jos se on virheellisesti asennettu.
V aihda paristo ainoastaan laite valmistajan suosittelemaan tyyppiin.
Hävitä käytetty paristo valmistajan ohjeiden mukaisesti.
– 3 –
Page 4
SECTION 2
GENERAL
This section is extracted from
instruction manual.
– 4 –
Page 5
– 5 –
Page 6
– 6 –
Page 7
– 7 –
Page 8
– 8 –
Page 9
SECTION 3
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
COVER (UPPER) , FRONT PANEL ASS’Y
1
screw
(PTT2.6 × 6)
3
lever (FL)
1
screw
(PTT2.6 × 6)
1
screw
(PTT2.6 × 6)
2
cover (upper)
1
3
lever (FL)
screw
(PTT2.6 × 6)
4
front panel ass’y
MECHANISM DECK (MG-250C-137)
2
tension spring (FL)
1
two dampers (250)
1
screw
(PTT2.6 × 6)
4
mechanism deck (MG-250C-137)
2
tension spring (FL)
3
jack flexible board
(CNJ901)
– 9 –
1
two dampers (250)
Page 10
JACK BOARD
)
Remove the jack board of
the arrow.
1
ground point screw
(PTT2.6
×
6)
2
jack board
MAIN BOARD
1
main flexible board
(CNJ12)
6
three screws (FP)
7
main board
2
connector
(CNP301)
5
two precision screws
×
2.5)
(P1.7
– 10 –
4
heat sink
3
screw
(PTT2
×
4
Page 11
ELEVATOR MOTOR ASS’Y (M104)
y
1
screw
(PTT2
×
3)
2
bracket (EVM)
3
elevator motor ass’
(M104)
ESCUTCHEON (T)
2
Remove the claw
of the arrow
4
Remove the ditch
of the arrow
Remove the escutcheon (T)
5
of the arrow
A
B
C
3
two claws
.
.
.
3
claw
A
B
C
4
ditch
1
screw
(M2
– 11 –
×
3)
Page 12
CASE (UPPER) ASS’Y
s
s
1
three screws
(PTT2 × 4)
Remove the case
4
(upper) ass’y of
the arrow B.
1
screw
(PTT2 × 4)
2
B
A
3
Remove the edge
of the arrow A.
1
two screw
(PTT2 × 4)
CHASSIS ASS’Y
3
chassis ass’y
2
2
1
two polyethylene washer
– 12 –
Page 13
RF BOARD
2
two screws
(PS2
1
OP flexible board
×
4)
(CNJ11)
2
two screws
(PS2
×
4)
4
connector
(CNP52)
3
4
two connectors
(CNP11, 53)
5
RF board
SLED MOTOR ASS’Y (M102) , OPTICAL PICK-UP (KSS-521A/J2N)
1
two screws
(ESCUTCHEON)
4
Turn at the direction of
the arrow, then remove
shaft (sled) ass’y
2
sled motor ass’y
(M102)
3
optical pick-up
(KSS-521A/J2N)
– 13 –
Page 14
SW BOARD, SPINDLE MOTOR ASS’Y (M101)
)
8
two screws
×
2.2)
(P1.7
1
screw
×
2.2)
(P2
2
SW board
7
3
spring (chucking)
6
retainer (disc
4
screw
5
bracket (CP)
9
Remove the spindle motor ass’y (M101)
of the arrow.
(P2
×
2.2)
CHUCKING MOTOR ASS’Y (M103)
3
retainer (CHM)
2
two screws (P2 × 2.5)
4
chucking motor ass’y
(M103)
– 14 –
1
connector
(CNP51)
Page 15
SECTION 4
)
MECHANISM DECK ASSEMBLY
Note: Follow the assembly procedure in the numerical order given.
OPTICAL PICK-UP COMPLETE ASS’Y
1
chuck plate
Move the lever (LOCK 3) in direction A, and return it a little in
direction
down to the lower limit.
B
from the position where the chuck plate is moved
B
A
4
stop ring 2.0 (E type
5
tension spring (DH)
shaft (A)
GEAR (LOMINI) / (LOAD 1) ASS’Y
gear (LOAD 2)
gear (LOMINI)
marking
Fig. A
chuck plate
2
washer 2.5
3
optical pick-up complete ass’y
Note: Insert the shaft (A) first.
2
Attach the gear (LOMINI) at the position
shown in Fig. A.
shaft (rotary prevention C)
1
B
Move the lever (LOCK 3)
fully in direction
move the chuck plate up.
B
to
3
Attach the gear (LOAD 1) ass’y
with its facing inside.
slit
– 15 –
4
stop ring 1.5 (E type)
Page 16
OPERATION CHECK
1
Confirm that the slider moves in direction C to move down
the chuck plate if the gear (LOAD 1) is rotated in direction A or
the chuck plate moves up and the slider moves in direction D if
the gear is rotated in direction B.
chuck plate
slider
D
C
A
gear (LOAD 1) ass'y
B
– 16 –
Page 17
MECHANICAL ADJUSTMENTS
5
• Elevator Height (Address) Adjustment
SECTION 5
Note: This adjustments is necessary when the system controller (IC302),
variable resistor (RV301), slider (R), slider (L), or chassis (ELV)
was replaced for any repair.
Connection:
power supply
master unit
+
GND
BUS cable
CDX-525RF
Adjustment Method:
1. Connect this set to the master unit (e.g. MDX-C670/
C670RDS), load a disc magazine, and place the set vertically
as shown below.
2. Connect the regulated power supply to the master unit, and
turn the power on.
3. Press the DISC button on the master unit and select DISC 5.
4. At this time, if the elevator shaft does not position between
comb teeth A and B at addresses 5 and 6 as shown below,
adjust the following.
5. Press repeatedly the DISC + and – buttons on the master unit
so that the elevator shafts moves from address 6 to address 5,
or from 5 to 6. At this time, adjust RV301 on the main board
so that the elevator shaft positions smoothly between comb
teeth A and B.
6. Further, place the set horizontally and make same adjustment
as mentioned above.
7. After adjustment at addresses 5 to 6 is finished, check all operations from addresses 1 to 10 with the set placed vertically
and horizontally respectively to confirm that the elevator shaft
positions in a range between comb teeth A to B.
comb tooth at address 5
comb tooth at address 6
A
B
comb tooth at address 6
elevator shaft
A
B
OKNG
elevator shaft
comb tooth at address
RV301
– 17 –
Page 18
SECTION 6
V
ELECTRICAL ADJUSTMENTS
Note:
1. Perform adjustments as given.
2. Power supply voltage: DC14.4 V (more than 3A).
• FOCUS BIAS CHECK
[RF BOARD] – Conductor Side –
oscilloscope
CNJ12
TP (RF)
IC51
TP
(VC)
IC11
+
–
Procedure:
1. Connect the oscilloscope to TP (RF) and TP (VC) on the RF
board.
2. Put the set into play mode by loading the disc.
3. 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.
RF signal waveform
VOLT/DIV: 200 m
TIME/DIV: 500 ns
level: 1.4
±
0.3 Vp-p
• TRACKING OFFSET CHECK
[RF BOARD] – Conductor Side –
oscilloscope
CNJ12
+
–
BP11
IC51
(TE)
TP
(VC)
IC11
Procedure:
1. Connect the oscilloscope to BP11 (TE) and TP (VC) on the
RF board.
2. Put the set into play mode by loading the disc.
3. Press the = AMS + button, and check the tra verse wav eform*.
4. Confirm that the oscilloscope waveform is symmetrical on the
top and bottom in relation to 0 V dc, and check this level.
* Traverse waveform: This is the tracking error wave form appears
Traverse waveform
A
0 V
B
A=B
traverse waveform
(100 track jump waveform)
when crossing the track.
VOLT/DIV : 500 mV
TIME/DIV : 2 ms
Center : 0 V
– 18 –
Page 19
SECTION 7
DIAGRAMS
• FOCUS GAIN ADJUSTMENT
(COARSE ADJUSTMENT)
This adjustment is to be performed when replacing the following
parts.
• Optical Pick-up Block
• RV14
[RF BOARD] – Conductor Side –
CNJ12
IC51
RV14
IC11
Procedure:
1. Set RV14 (RF board) to the standard position.
2. Check that there is not an abnormal amount of operation noise
(white noise) from the 2-axis devise. If there is, turn RV14
slightly clockwise.
[RF BOARD] – Conductor Side –
MIN side
(low gain)
• When gain is lowered...
The set does not play because of no focus operation.
• When gain is highered...
Operation noise is heard due to a scratch or a dust, then operation will be unstable.
7-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
r
•
•
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor Side)the pattern face are indicated.
Parts face side:Parts on the parts face side seen from
(Component Side) the parts face are indicated.
: Through hole.
¢
: internal component.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 14.4V and fed from CD changer con-
• Voltages and wavef orms are dc with respect to ground in
• Voltages are taken with a V OM (Input impedance 10 MΩ).
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
: internal component.
Note:
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part
number specified.
troller.
playback mode.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
J: CD
4
W or less unless otherwise
Note:
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
MAX side
(high gain)
RV14 standard position
– 19 –– 20 –
Page 20
CDX-525RF
7-2.PRINTED WIRING BOARDS – RF Section –
• Semiconductor
Location
Ref. No. Location
IC11C-6
IC51B-7
IC52G-4
Q11D-6
(Page 26)
– 21 –
– 22 –
Page 21
7-3.SCHEMATIC DIAGRAM – RF Section – • See page 33 for Waveforms. • See page 34 for IC Block Diagrams.
CDX-525RF
(Page 29)
– 23 –
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part number specified.
– 24 –
Les composants identifiés par une marque ! sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
Page 22
CDX-525RF
7-4. PRINTED WIRING BOARDS – MAIN (Component Side)/JACK Board –
7-5. PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
CDX-525RF
• Semiconductor
Location
Ref. No. Location
IC201F-9
IC203D-9
Q201D-8
– 27 –
– 28 –
Page 24
CDX-525RF
7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 33 for Waveforms. • See page 35 for IC Block Diagrams.
(Page 24)
– 29 –
– 30 –
Page 25
7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 33 for Waveforms. • See page 35 for IC Block Diagrams.
CDX-525RF
– 31 –
– 32 –
Page 26
• Waveforms
– RF Board –
1 IC11 #£ (RF O)
500 mV/DIV, 500 ns/DIV
– MAIN Board (1/2) –
1 IC101 @¶ (MDP)
– MAIN Board (2/2) –
6 IC401 !£ (MCK)
• IC Block Diagrams
– RF Board –
IC11 CXA1992BR
PD2
39
PD1
38
RF O
33 32
RF I
CB
CP
LD
PD
37
363431 30292827
RFTC
35
RF M
CC1
CC2
FOK
2 IC11 2 (FEI)
50 mV/DIV, 1 µs/DIV
3 IC11 $¶ (TEI)
200 mV/DIV, 500 µs/DIV
1.4 Vp-p
Approx.
110 mVp-p
Approx.
280 mVp-p
2 IC101 %º (LRCK)
3 IC101 %¢ (BCK)
472 ns
4 IC101 *ª (XTAI)
59.2 ns
7.6 µs
22.7
2.5 Vp-p
6 Vp-p
59.5 ns
PD 2
I-V AMP
VCC
PD 1
I-V AMP
IFB1 – IFB6
7 IC401 !§ (XO)
FE
40
BIAS
VEE
6 Vp-p
µ
s
58.6 µs
5.8 Vp-p
F
E
EI
VEE
TEO
F I-V
41
AMP
E I-V
42
AMP
43
44
45
TGFL
VEE
8 IC401 @£ (BCK)
BAL1 – BAL4
TOG1 – TOG4
46
LPFI
TEI
47
ATSC
TZC
TDFCT
FZC
48
49
TM1
DFCT
50
VC
51
52
DFCT
FS4
6.2 Vp-p
6 Vp-p
9 IC401 @¢ (LRCK)
472 ns
22.7
7.6 Vp-p
7.3 Vp-p
µ
s
LD
PD
AMP
AMP
LASER
POWER
CONTROL
FOCUS ERROR
AMP
TRACKING GAIN
WINDOW
COMPARATOR
E-F BALANCE
WINDOW
COMPARATOR
ATSC
WINDOW
COMPARATOR
TZC
COMPARATOR
FOCUS PHASE
COMPENSATION
TG1
RF SUMMING
AMP
FOCUS BIAS
WINDOW
COMPARATOR
TGH
TGL
BALH
BALL
ATSC
TRACKING PHASE
COMPENSATION
FZC
COMPARATOR
CHARGE UP
FS2
TZC
FOCUS OK
COMPARATOR
PEAK/BOTTOM
HOLD
PEAK/BOTTOM
HOLD
FOL
FOH
IIC DATA REGISTER, INPUT SHIFT REGISTER,
ADDRESS DECODER, SENSE SELECTOR,
FZC
DFCTO
IFB1 – IFB6
CENTER
VOLTAGE
GENERATOR
VCC
FS1
COMPARATOR
LDON
LPCL
OUTPUT DECODER
FS1 – FS4
BAL1 – BAL4
TOG1 – TOG4
VCC
VEE
LPC
TG2
MIRR
TGFL
TG1 – TG2
TM7
DEFECT
AMP
TM1 – TM7
FSET
TTL
MIRR
VCC
PS1 – PS4
TM5
VEE
IIL
↓
TM4
TM3
DFCT1
TM6
VCC
CC1
↓
TTL
TTL
↓
IIL
VCC
ISET
–
+
TM2
+
–
SENS1
25
C. OUT
24
XRST
23
DATA
22
21
XLT
CLK
20
19
LOCK
VCC
18
17
ISET
16
SL O
SL M
15
SL P
14
SENS2
26
IIL
5 IC302 #¡ (EXTAL)
124 ns
– 33 –
3.8 Vp-p
123
FEI
FEO
FDFCT
5
6
4
FLB
FGD
FE O
7
FE M
8910
SRCH
VEE
TGU
111213
TG2
FSET
VEE
TA M
TA O
– 34 –
Page 27
IC52 BA6287F
1
OUT1
2
VM
TSD
3
VCC
POWER
SAVE
4
FIN
– MAIN Board –
DRIVERDRIVER
CONTROL LOGIC
8
GND
7
OUT2
6
VREF
5
RIN
IC101 CXD2530Q
TES6
VDD
VSS
79 78
80
NC
81
82
VSS
VDD
83
NC
84
85
TES7
86
NC
VSS
87
XVDD
88
XTAI
89
XTAO
90
91
XVSS
92
VSS
NC
93
TES8
94
NC
95
VDD
96
97
VSS
98
NC
NC
XRST
99
100
1 234
VSS
VDD
TIMING
LOGIC
56789 10
TES2
LMUT
RMUT
EXCK
76 75 74
77
CKOUT
SBSO
SCOR
PROCESSOR
CPU
INTERFACE
SQCK
SQSO
WFCK
TES5
EMPH
73 72
EFM
DEMODULATOR
SUB CODE
12 13
11
XLAT
SENS
DATA
CLOK
71
14
SEIN
DOUT
C4M
69 68
70
15 16 17
CNIN
DATO
FSTT
XTSL
CORRECTOR
SERVO
AUTO
SEQUENCER
18 19 20
XLTO
CLKO
MNT0
MNT1
66 65 64
67
ERROR
16K RAM
SPOB
SPOA
MNT3
21
SPOC
XROF
63 62 61
22 23
XLON
SPOD
C2PO
RFCK
INTERFACE
DIGITAL OUT
24
FOK
VDD
GFS
XPCK
59 58
60
D / A
DIGITAL CLV
25 26 27
VSS
MON
XUGF
MDP
GTOP
VDD
56 55 54
57
28 29 30
MDS
LOCK
VSS
TES4
PWMI
BCK
TES3
PCMD
53 52 51
ASYMMETRY
CORRECTOR
DIGITAL
PLL
OSC
CLOCK
GENERATOR
TES9
LRCK
50
49
WDCK
48
ASYE
47
ASYO
ASYI
46
BIAS
45
RF
44
AVDD
43
42
CLTV
AVSS
41
40
FILI
39
FILO
PCO
38
VCTL
37
V16M
36
35
VCKI
34
VPCO1
33
VPCO2
32
TES1
31
TES0
– 35 –
Page 28
IC204 BA8272F-E2
IC301 BA6287F
VCC
BUS ON
LINK OFF
CLK OUT
23
1
BUS ON OUT
BUS ON IN
5 67
4
GND
VREF
BUS CLK
IC401 TC9464FN-EL
LRCK
BCK
DATA
HS
(SM)
20191817 16 15 14 13
21222324
DATA OUT
BUS DATA
ATT
(EMP)
DATA IN
SH
(BS)
891014131211
RESET
SWITCH
LA
RESET
BUS RESET
VDXXOXI
GNDX
MCK
OUT1
VCC
VM
FIN
1
2
DRIVERDRIVER
TSD
3
POWER
SAVE
4
CONTROL LOGIC
GND
8
OUT2
7
VREF
6
RIN
5
INTERFACE
CIRCUIT
DIGITAL FILTER CIRCUIT
ATTENUATOR OPERATIONAL CIRCUIT
DEEMPHASIS FILTER CIRCUIT
D-∆ MODULATION CIRCUIT
TEST
CIRCUIT
23
1
T1
VDD
MICROCOMPUTER
INTERFACE
CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
5678910
4
RO
P/S
VDA
GNDA
VR
OSC
TIMING
GENERATOR
OUTPUT
CIRCUIT
ANALOG
FILTER
GNDA
1211
LO
VDA
ZD
GNDD
– 36 –
Page 29
7-8. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC302 CXP84124-080Q (SYSTEM CONTROLLER)
Pin No.Pin NameI/OFunction
1LIM.SWI
2BUSONIBus on/off control signal input from the SONY bus interface (IC204) “H”: bus on
3EJECTIEject switch (SW303) input terminal “H” active
4LOAD1I
5LOAD2I
6A.MUTEOAudio line muting on/off control signal output terminal “H”: muting on
7EMPHOEmphasis mode output to the D/A converter (IC401) “L”: emphasis on
8CH.RO
9CH.FO
10—ONot used (open)
11ELV.RO
12ELV.ONOMechanism deck section power supply on/off control signal output “H”: power on
13CD RSTOSystem reset signal output to the CXA1992BR (IC11) and CXD2530Q (IC101) “L”: reset
14CDONOD/A converter and servo section power supply on/off control signal output “H”: power on
15 to 23—ONot used (open)
24AUTO ON/OFFI
25 to 29—ONot used (open)
30RESETI
31EXTALIMain system clock input terminal (8 MHz)
32XTALOMain system clock output terminal (8 MHz)
33VSS—Ground terminal
34TXOSub system clock output terminal Not used (open)
35TEXISub system clock input terminal Not used (fixed at “L”)
36AVSS—Ground terminal (for A/D converter)
37AVREFIReference voltage (+5V) input terminal (for A/D converter)
38ATRIBTISelection input of the custom file, D-BASS, etc.
39MCKI
40EHSIElevator height position detect input from the RV302 (elevator height sensor) (A/D input)
41 to 47—ONot used (open)
48SCKISerial data transfer clock signal input from the SONY bus interface (IC204)
49SIISerial data input from the SONY bus interface (IC204)
50SOOSerial data output to the SONY bus interface (IC204)
51SQCLKOSubcode Q data reading clock signal output to the CXD2530Q (IC101)
52SUBQISubcode Q data input from the CXD2530Q (IC101)
53—ONot used (open)
54—INot used (fixed at “H”)
55MGLKI
Sled limit in detect switch (SW1) input terminal
“L”: When the optical pick-up is inner position
Save end detect switch (SW12) input terminal
“L”: When completion of the disc chucking operation
Chucking end detect switch (SW11) input terminal
“L”: When completion of the disc chucking operation
Motor drive signal (save direction) output to the chucking motor drive (IC52)
“H” active *1
Motor drive signal (load chucking direction) output to the chucking motor drive (IC52)
“H” active *1
Motor drive signal (elevator down direction) output to the elevator motor drive (IC301)
“L” active *2
Setting terminal for the automatic adjustment
“L”: automatic adjustment, “H”: manual adjustment (fixed at “L” in this set)
System reset signal input from the reset signal generator (IC202) and SONY bus interface (IC204)
“L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
Input of signal for the fine adjustment (linear position sensor adjustment; RV301) of elevator
position (A/D input)
56SCORISubcode sync (S0+S1) detection signal input from the CXD2530Q (IC101)
57SENS2IInternal status signal (sense signal) input from the CXA1992BR (IC11)
58PWMO
59—ONot used (open)
60MAG.SWIMagazine in/out detect switch (SW302) input terminal “L”: magazine detected
61BUCHECKI
62W.UPIBus on or eject switch (SW303) input terminal “H”: bus on or eject switch pushing
63C.OUTITrack number count signal input from the CXA1992BR (IC11)
64EEDATAI/OTwo-way data bus with the EEPROM Not used (open)
65EECLKOSerial clock signal output to the EEPROM Not used (open)
66EEINITIInitialize signal input for the EEPROM “H”: format Fixed at “L” in this set
67—ONot used (open)
68SINGLEI
69FOKIFocus OK signal input from the CXA1992BR (IC11) “L”: NG, “H”: OK
70GFSIGuard frame sync signal input from the CXD2530Q (IC101) “L”: NG, “H”: OK
71SENS1IInternal status signal (sense signal) input from the CXD2530Q (IC101)
72VDD—Power supply terminal (+5V)
73NC (VDD)—Connected to the power supply (+5V)
74CDCLKOSerial data transfer clock signal output to the CXD2530Q (IC101)
75CDXLTOSerial data latch pulse signal output to the CXD2530Q (IC101)
76CDDATAOSerial data output to the CXD2530Q (IC101)
77 to 80—ONot used (open)
Motor drive signal (elevator up direction) output to the elevator motor drive (IC301)
“L” active *2
Battery detection signal input terminal “H”: battery on
Setting terminal for the single disc/multiple discs mode
“L”: single mode, “H”: multiple discs mode (fixed at “H”)
*1 chucking motor (M103) control
Mod
Terminal
CH.F (pin 9)“L”“H”“L”“H”
CH.R (pin 8)“L”“L”“H”“H”
*2 elevator motor (M104) control
Mod
Terminal
PWM (pin %•)“H”“L”“H”“L”
ELV.R (pin !¡)“H”“H”“L”“L”
STOP
STOP
LOAD
CHUCKING
ELEVATORUPELEVATOR
SAVEBRAKE
DOWN
BRAKE
– 38 –
Page 31
SECTION 8
d
EXPLODED VIEWS
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑↑
Parts Color Cabinet's Color
(1) COVER SECTION
7
#2
5
4
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference number in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque ! sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
13
#2
#2
14
#3
11
10
9
#2
6
12
#2
13
MG-250C-137
IC201
IC203
8
16
23
12
15
main flexible boar
3
21
1
19
not supplied
19
Ref. No.Part No.DescriptionRemark
13-010-104-01 DAMPER (250)
* 23-010-097-01 COVER (LOWER)
31-664-628-11 JACK FLEXIBLE BOARD
* 41-672-620-11 JACK BOARD
5X-3376-454-1 DOOR ASSY
63-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
73-030-489-21 PANEL, FRONT
83-012-388-01 SCREW (M2X3)
FB4121-216-295-00 SHORT 0
FB4131-216-295-00 SHORT 0
FB4141-216-295-00 SHORT 0
FB4211-500-445-21 FERRITE 0uH
FB4221-500-445-21 FERRITE 0uH
FB4231-500-445-21 FERRITE 0uH
< IC >
IC1018-752-384-15 IC CXD2530Q
IC2018-759-054-12 IC PQ09RA1
IC2028-759-443-41 IC RH5VL40AA-T1C
IC2038-759-324-40 IC KIA7805PI
IC2048-759-444-86 IC BA8272F-E2
IC3018-759-040-83 IC BA6287F
IC3028-752-902-61 IC CXP84124-080Q
IC4018-759-494-78 IC TC9464FN-EL
R1041-216-061-00 METAL CHIP3.3K5%1/10W
R1051-216-061-00 METAL CHIP3.3K5%1/10W
R1061-216-073-00 METAL CHIP10K5%1/10W
R2011-216-073-00 METAL CHIP10K5%1/10W
R2021-216-049-11 RES, CHIP1K5%1/10W
R2031-216-089-00 RES, CHIP47K5%1/10W
R2041-216-097-00 RES, CHIP100K5%1/10W
R2051-216-077-00 METAL CHIP15K5%1/10W
R2061-216-057-00 METAL CHIP2.2K5%1/10W
R2071-216-089-00 RES, CHIP47K5%1/10W
R2081-216-689-11 METAL CHIP39K0.5%1/10W
R2121-216-295-00 SHORT0
R3211-216-073-00 METAL CHIP10K5%1/10W
R3311-216-097-00 RES, CHIP100K5%1/10W
R3431-216-073-00 METAL CHIP10K5%1/10W
R4011-216-035-00 METAL CHIP2705%1/10W
R4051-216-033-00 METAL CHIP2205%1/10W
R4061-216-033-00 METAL CHIP2205%1/10W
R4071-216-097-00 RES, CHIP100K5%1/10W
R4081-216-097-00 RES, CHIP100K5%1/10W
R4111-216-029-00 METAL CHIP1505%1/10W
R5011-216-089-00 RES, CHIP47K5%1/10W
IC518-759-071-79 IC BA6297AFP
IC528-759-040-83 IC BA6287F
< TRANSISTOR >
Q118-729-141-48 TRANSISTOR 2SB624-BV345
< RESISTOR >
R111-218-348-11 RES, CHIP110K5%1/16W
R121-216-839-11 METAL CHIP33K5%1/16W
R131-216-839-11 METAL CHIP33K5%1/16W
R141-218-348-11 RES, CHIP110K5%1/16W
R161-216-857-11 METAL CHIP1M5%1/16W
R171-216-837-11 METAL CHIP22K5%1/16W
R181-216-841-11 METAL CHIP47K5%1/16W
R221-216-857-11 METAL CHIP1M5%1/16W
R251-216-851-11 METAL CHIP330K5%1/16W
R261-216-845-11 METAL CHIP100K5%1/16W
R271-216-295-00 SHORT0
R281-216-295-00 SHORT0
R301-216-829-11 METAL CHIP4.7K5%1/16W
R311-216-829-11 METAL CHIP4.7K5%1/16W
R321-216-837-11 METAL CHIP22K5%1/16W
R331-216-158-00 RES, CHIP225%1/8W
R341-216-855-11 METAL CHIP680K5%1/16W
R351-216-835-11 METAL CHIP15K5%1/16W
R361-216-836-11 METAL CHIP18K5%1/16W
R371-216-851-11 METAL CHIP330K5%1/16W
R381-216-837-11 METAL CHIP22K5%1/16W
R391-216-847-11 METAL CHIP150K5%1/16W
R401-218-273-11 RES, CHIP510K5%1/16W
R411-218-296-11 RES, CHIP75K5%1/16W
R421-202-930-11 RES, CHIP750K5%1/16W
R431-216-849-11 METAL CHIP220K5%1/16W
R441-216-846-11 METAL CHIP120K5%1/16W
R451-216-837-11 METAL CHIP22K5%1/16W
R461-216-847-11 METAL CHIP150K5%1/16W
R471-216-834-11 METAL CHIP12K5%1/16W
R481-216-845-11 METAL CHIP100K5%1/16W
R491-216-093-00 RES, CHIP68K5%1/10W
R501-216-841-11 METAL CHIP47K5%1/16W
R511-216-073-00 METAL CHIP10K5%1/10W
R521-216-093-00 RES, CHIP68K5%1/10W
R531-216-073-00 METAL CHIP10K5%1/10W
R541-216-073-00 METAL CHIP10K5%1/10W
R551-216-073-00 METAL CHIP10K5%1/10W
R561-216-093-00 RES, CHIP68K5%1/10W
R571-216-081-00 METAL CHIP22K5%1/10W
R581-216-093-00 RES, CHIP68K5%1/10W
R591-216-073-00 METAL CHIP10K5%1/10W
R601-216-073-00 METAL CHIP10K5%1/10W
R611-216-073-00 METAL CHIP10K5%1/10W
R621-216-085-00 METAL CHIP33K5%1/10W
R631-216-073-00 METAL CHIP10K5%1/10W
R641-216-073-00 METAL CHIP10K5%1/10W
R651-216-073-00 METAL CHIP10K5%1/10W
IC118-752-082-14 IC CXA1992BR
– 47 –
Page 40
RF SW
Ref. No.Part No.DescriptionRemark
< VARIABLE RESISTOR >
RV141-238-091-11 RES, ADJ, CERMET 22K
< SWITCH >
SW111-762-946-12 SWITCH, PUSH (1 KEY)
(CHUCKING END DETECT)
SW121-762-946-12 SWITCH, PUSH (1 KEY) (SAVE END DETECT)