Sony CDX-DAB500A / CDX-DAB500U Service Manual ▷ View online
CDX-DAB500A/DAB500U
13
3-7. CHASSIS (T) SUB ASSY
3-8. ROLLER ARM ASSY
3 chassis (T) sub assy
2 claw
1 two screws
(M1.7
u 2.5)
1 two screws
(M1.7
u 2.5)
3 washer
5 roller arm assy
1 spring (RAL)
2 spring (RAR)
4 gear (HRA)
CDX-DAB500A/DAB500U
14
3-9. CHASSIS (OP) ASSY
3-10. CHUCKING ARM SUB ASSY
6 two coil springs (damper) (natural)
8 chassis (OP) assy
5
1 tension spring (KF)
2 gear (LE1)
3 lever (D)
4 slider (R)
7 coil spring (damper) (Blue)
3 chucking arm sub assy
2
1 spring
Note 1: Have this portion receive the chassis.
Note 1: Have this portion receive the chassis.
Note 2: Be careful not to touch the turn table.
CDX-DAB500A/DAB500U
CDX-DAB500A/DAB500U
15
15
3-11. SLED MOTOR ASSY
3 sled motor assy
sled motor assy
1 spring
spring
stand
stand
turn table
2 three serration screws
(M2
u 3)
three
serration
screws
(M2
u 3)
bearing (F)
bearing (R)
Note 1: Place the stand with care not to touch the turn table.
Note 2: Never remove these parts since they were adjusted.
Note 3: Take care to prevent the chassis from being bent
when tightening the three machine screws.
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–
ERWWRPVLGHYLHZ
–
–
ERWWRPVLGHYLHZ
–
–
ERWWRPVLGHYLHZ
–
3-12. OPTICAL PICK-UP SECTION
3-13. OPTICAL PICK-UP
1
2 optical pick-up section
Note: Be careful not to touch the lens and hologram
terminal when removing the optical pick-up section.
–
bottom side view
–
There is space at the end of the
leaf spring (OPS) to avoid
contact with the slide.
leaf spring (OPS) to avoid
contact with the slide.
5 optical pick-up
4 lead screw assy
Prevent the end of the
leaf spring (OPS) from being
in contact with the OP slide base.
leaf spring (OPS) from being
in contact with the OP slide base.
Prevent the end of the
leaf spring (OPS) from being
in contact with the OP slide base.
leaf spring (OPS) from being
in contact with the OP slide base.
1 tapping screw
(P
1.4)
2 leaf spring (OPS)
3 rack
–
bottom side view
–
Notes for Assembly
CDX-DAB500A/DAB500U
CDX-DAB500A/DAB500U
16
16
SIGNAL PATH
: AUDIO
: CD
: USB
R-ch is omitted due to same as L-ch.
CD MECHANISM
DECK BLOCK
(MG-101CA-188)
FPI1
A
B
C
F
E
PD
LD
18
FNI2
15
FNI1
16
FPI2
17
TNI
21
TPI
20
LDO
25
MDI
24
CD HEAD AMP,
DIGITAL SERVO PROCESSOR,
AUDIO DSP
IC701
CD DRIVE/USB
CONTROLLER
IC601
FOCUS
FOO
31
TRACK
TRO
32
SL
FMO
34
SP
DMO
35
DRV_ON
DRV_ON
35
LOAD
MEC_LOAD
36
EJECT
MEC_EJECT
37
USB+
85
USB–
86
D_SW
MEC_LIMIT
39
IN_SW
MEC_INSW
40
L_SW
MEC_DSW
41
SELF
MEC_SELFSW
25
X701
16.934MHz
XO
XI
67
66
70
ADIN1 (IN_L-CH)
74
ADIN2 (IN_R-CH)
PRE_L
PRE_R
A
B
57
DAO3 (F_L-CH)
54
DAO2 (F_R-CH)
R-CH
59
DAO4 (R_L-CH)
61
DAO5 (SUB-CH)
52
DAO1 (R_R-CH)
R-CH
FL
RL
SUB
17
DEC_LRCK
23
CD_SI
22
CD_SO
24
CD_SCLK
29
CD_XCCE
19
DEC_DA
TA
18
DEC_BCK
27
DEC_INT
16
DEC_XMUTE
92
BSIF_LRCK
91
BSIF_BCK
93
DEC_XMUTE
20
DEC_GA
TE
89
BSIF_GA
TE
38
DEC_SSTBY
37
/SRAMSTB
21
DEC_REQ
88
BSIF_REQ
87
DEC_REQ
90
BSIF_DA
TA
So
79
Si
80
SCL
81
/CCE
82
28
CD_XRST
/RST
85
15
CD_ZDET
ZDET
94
3
2
1
D–
D+
VBUS-USB
USB_VBUS
CN903
95
SP_DATA
SA_DATA
87
96
SP_CLK
SA_CLK
88
53
CDON
CD_ON
36
56
RxD
MC_TX
22
55
TxD
MC_RX
20
52
MECON
CDM_ON
37
8
WAKEUP
WAKE_UP
38
54
ZMUTE
Z_MUTE
40
74
VBUS_ON
VBUS_ON
49
51
A-ATT
12
BU_IN
3
RESET
BU_IN
SYS_RST
C
A_ATT
D
SDA
EEPROM
IC680
2
SCL
6
69
CP_SCL
68
CP_SDA
72
CPON
73
CDON_15V
B+ SWITCH
Q682, 683
+1.5V
REGULATOR
IC682
IC701 VDDM1
+1.5V
REGULATOR
IC681
IC701 VDD1
BU +3.3V
SYSTEM CONTROLLER
IC501 (1/3)
X601
12MHz
X2
X1
82
80
AUTO POWER
CONTROL
Q710
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM - SERVO Section -
(Page 17)
(Page 18)
(Page 17)
(Page 17)
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