Sony Cdx L550 570x Manual

11
CDX-L550X/L570X
1 tension spring (KF1) 7 compression spring (FL)6 floating block assy
8 compression spring (FL)
4 Fit lever (D) in the
     direction of the arrow.
2 damper (T)
3 damper (T) 5 Turn loading ring in the
     direction of the arrow.
Fig. 1
1 tension spring (RA)2 arm (roller) 3 retaing ring (RA)
4 shaft retainer
      (roller)
5 shaft roller assy
retaing ring (RA)
armarm
washer
washer shaft retainer (roller)
shaft retainer (roller)
2-9. FLOATING BLOCK ASSY 2-8. ARM ROLLER ASSY
• When...

12
CDX-L550X/L570X
1 P 2x3
2 sled motor assy
3 optical pick-up block
2-10. OPTICAL PICK-UP BLOCK 

13
CDX-L550X/L570X
3-1. IC PIN DESCRIPTION
• IC801 MN101C49KTG1 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 VREF– — Ground for A/D converter power supply
2 VSM I S-meter voltage detection signal input from tuner unit (TU601)
3 NIL I Connect to ground.
4 KEYIN1 I Key signal input
5 KEYIN0 I Key signal input
6 RC IN0 I Rotary commander key signal input from remote in jack (CNP801)
7, 8 NIL I Not used. (Connect to ground.)
9 DSTSEL I Destination set up detection signal input (“L”: CDX-L550X,...

14
CDX-L550X/L570X
Pin No. Pin Name I/O Pin Description
51 CD TSTB O CD text parameter strob signal output to servo IC (IC1)
52 CD RFOK I RF OK signal input from servo IC (IC1)
53 CD XRST O Reset signal output to servo IC (IC1)
54 CD A0 OCommand/parameter identification signal output to servo IC (IC1)
“L”: Command, “H”: Parameter
55 CD STB O Data strob signal output to servo IC (IC1)
56 CD XTALEN O Crystal oscillation control signal output to servo IC (IC1)
57 CD LIMIT I CD Mechanism in-limit switch...

15 15
CDX-L550X/L570X
82
83
84
85
1612D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
9
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
5256
5455DSUB CODE
PROCESS
8
7
6
5
4
3
2
56
60
28
30
57
59
68
79
3151
21
22
23
55
54
53
52
I/F
87
86
97
98LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
6
5
23
2
15
16
17
18
13
14
11
12
9
10
26
62636465
63
62
33
POWER
CONTROL
Q908, 909
POWER
CONTROL
Q907
REG
Q910
BATT DET
Q803
REG
Q911 M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW3
(LIMIT)...

16 16
CDX-L550X/L570X
PJ601
(ANTENNA)210
1ANTFM MPXCDL8 AM DET
14 S-METER12 I2C SDA13 I2C SCL
17 E2PROM SDA18 E2PROM SCL ANTAMTUNER UNIT
TU601
24547
70
1314192017
9
12
43
428
SYSTEM CONTROL
IC801 (2/3) ELECTRONIC VOLUME
IC401
AUX LCH OUT FL
27 OUT RL
35
BEEPATT67
69
AMP ON
66
AMP ATT40
TEL ATT
38
ACC IN MD LCH
MPXI
AM
LEVEL
MPIN
SDA
SCL
EXA ATT
VOL ATT
VSM
I2C SIO
I2C CKO
DSTSEL
EE SIO FM 50K
AM 9K  FREQUENCY
SELECT SW802
 L570X  L550X
EE CKO
AUDIO OUT REAR
CD
SECTION
A
MUTE
CONT
Q912,913
Q102
MUTE
R-CH...

17 17
CDX-L550X/L570X
KEY MATRIX
LSW501-510,
LSW513-522
KEY
ACTIVE
Q801
DOOR IND
DRIVE
Q914, 915
IR
RECEIVE
CNP801
(REMOTE IN)
ROTARY
ENCODER
RE501
IC502
S902
(NOSE DET)
X802
32.768kHz
9796
34
15
16
12
13
51820194
26
91
986
29SYSTEM CONTROL
IC801 (3/3)LCD DRIVE
IC501
KEY IN0
DATA
CLK
CE LCD SO
LCD CKO
LCD CE
POWER
CONT
Q906
SWITCH
Q905
92 DOOR IND KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
SIRCS
RE IN0
RE IN1
NOSE SW
XIN
XOUTOSC OUT
93 ILL ON
BATT
OSC INX801
18.43MHz
LED905,LSW916
LED510-513 LSW501-510...

18 18
CDX-L550X/L570X
3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié. THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic...

19 19
CDX-L550X/L570X
(Page 21)Ref. No. Location
IC1 D-2
IC2 G-2
Q1 B-3 • Semiconductor
Location 

20 20
CDX-L550X/L570X
IC B/D
IC B/D
• Refer to page 17 for Waveforms.
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION —  • Refer to page 28 for IC Block Diagrams.
(Page 22)
Note:
• Voltage is dc with respect to
ground under no-signal conditions.
no mark : CD PLAY