Read Sony WX-VX55 / WX-VX55S Service Manual online
WX-VX55/VX55S
WX-VX55/VX55S
23
23
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – CD Section –
RF AMP,
DIGITAL SERVO,
IC500
52
EQ0
9
FEO
46
TZCRFM
48
TEO
51 RFI
8 FEN
49 TEN
42 XI
43 XO
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
35
DOUTA
96 CD DATA
36
LRCK
97 CD_LRCK
34
WFCK
50 BATTLOW
37
DCK
98 CD_BCLK
38
EFLAG
102 CD_XCK
31
SUBSYQ
81 SUBSYQ
30
BUSY
80 BUSY
29
RESETX
82 XRESET
28
R/W
83 R/W
27
DIN/DOUT
84 DI/DO
26
MCK
85 MCK
CLKIN
CLKIO
3
2
5
6
E
AC
BD
F
13 LD
12
PD
24
LON
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
17
18
14
13
12
11
10
9
VOL(+)
VOL(–)
FWD
REV
1
28
IN1(–) 3
IN2(–)
IN3(–)
IN4(–)
22 CLV OUT
6
18 TDOUT
17 JUMP0
23
19 SDIN
21 FD OUT
26
16
15
VO4(–)
VO4(+)
VO3(+)
VO3(–)
VO1(+)
VO1(–)
VO2(+)
VO2(–)
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC600
CD-L
MAIN
SECTION
A
56
VSYNC
36
DQMO
LDON
UDQM
WE
CAS
RAS
BA
CLK
UDQM
WE
CAS
RAS
BA
CLK
14
9
15
WE_B
10
16
CAS_B
11
17
RASO_B
112
19
BAO
SI
127
35
RAMCLK
55
HSYNC
78
AU_LRCK
79
AU_BCK
76
AU_XCK
103
DEEMP
77
AU_DATA
55 CD_SELFSW
92 CD_IN_SW
93 CD_LOAD
CD_SO
CD_ON
BU+3.3V
BU+2.5V
U COM+3.3V
19
90
SO 91
SCK 93
RESET_B 99
SP 88
MP 89
MUTE 113
16M SDROM
IC200
16M SDROM
IC300
D/A CONVERTER
IC400
DIGITAL SIGNAL PROCESSOR
IC100
D/A CONVERTER
IC700
CD_SI
18
CD_SCK
20
CD_RST
98
CD_SP
54
CD_MP
90
SW2
(SELF)
95 CD_DSW
SW1
(DOWN)
S901
(LIMIT)
SW3
(DISC IN)
94 CD_EJECT
69
CLK27_OUT
70
PLA_NTSC
54
V_RST
2 DIN
1 LRCK
3 BCKIN
3 BCKIN
14 SCKI
12 DEEMP
12 DEEMP
9
LOUT
6
ROUT
R-CH
10
MUTE
13
FORMAT
32
CVBS/Y
PD2
E
F
LD
MONOUT
F+
F–
T+
T–
PD1
LD DRIVE
Q501
BU+3.3V
SWITCH
SWITCH
Q701,703
LASER ON
CONTROL
SWITCH
Q502
• R-ch is omitted due to same as L-ch.
66
65
X401
27MHz
X541
16.934MHz
MUTE
MAIN
SECTION
B
15 CLK
14 MODEB
14 MODEB
28 VSYNC
29 HSYNC
29 HSYNC
9 SLEEP
YC0
I
YC7
P0
I
P7
27•25•23•21•22•
24•26•28
ROMD0
I
ROMD7
29–32•34•38•40•42•
41•39•33•35•44•
43•45–49
ROMA0
I
ROMA18
29•31•33•35•
38•40•42•44
DQ0
I
DQ7
45•25–18•
8–1•48•17
8–1•48•17
A0
I
A18
ROMA0-ROMA18
ROMD0-ROMD7
RAMA0-RAMA10
RAMD0-RAMD15
17–20•16–12•
111•110
DA0
I
DA10
21–24•
27–32•20
A0
I
A10
116–123•6–2•
126–124
2•3•5•6•8•
9•11•12•39•
40•42•43•45•
46•48•49
DQ0
I
DQ15
92 LIMIT
64
I
57
17
I
24
20 SD OUT
87
PJ402
114
DD0
I
DD15
SYSTEM CONTROL
IC801 (1/3)
D101
VIDEO OUT
(Page 24)
(Page 24)
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