Diagrams; Block Diagram -Cd Section - Sony CDX-V3800 Service Manual

3-1. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD1
PD1
2 AC
PD2
PD2
3 BD
E
E
5 E
F
F
6 F
LASER DIODE
AUTOMATIC
LD POWER
13 LD
CONTROL
Q501
PD LD
MONOUT
OPTICAL
PICK-UP BLOCK
(KSS1000E)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
2-AXIS DEVICE
FCS+
16 VO4(–)
FCS–
15 VO4(+)
(FOCUS)
(TRACKING)
TRK+
VO3(+)
17
TRK–
VO3(-)
18
14 VO1(+)
M902 M
(SLED)
13 VO1(-)
12 VO2(+)
M901
M
(SPINDLE)
11 VO2(-)
10
VOL(+)
M903
M
(LOADING)
9
VOL(-)
CDX-V3800
SECTION 3

DIAGRAMS

EQ0 52 51 RFI
DOUTA
35
LRCK 36
RF AMP,
WFCK 34
DIGITAL SERVO,
37
DCK
IC500
EFLAG 38
SUBSYQ 31
BUSY 30
RESETX 29
R/W 28
DIN/OUT 27
FEO 9 8 FEN
26
MCK
TZCRFM 46
TEO 48 49 TEN
LASER ON
CONTROL
LON 24
SWITCH
Q502
PD 12
42 XI
X541
16.934MHz
43 XO
MOTOR DRIVE
IC600
20 SD OUT
IN1(–) 3
OUT1
4
IN2(–) 6 22 CLV OUT
OUT2 7
17 JUMP0
18 TDOUT
IN3(–) 23
OUT3
22 19 SDIN
21 FD OUT
IN4(–) 26
OUT4
25
FWD 1
REV 28
DIGITAL SIGNAL PROCESSOR
IC100
2 DIN
AU DATA 77
AU LRCK 78 1 LRCK
AU BCK 79 3 BCKIN
AU XCK 76 14 SCKI
103
DEEMP 12 DEEMP
96 CD DATA
97 CD LRCK
50 BATTLOW
VSYNC 56
98 CD BCLK
HSYNC 55
102 CD XCK
69
CLK27 OUT
81 SUBSYQ
PLA NTSC 70
80 BUSY
V RST 54
82 XRESET
64
YC0
83 R/W
I
I
84 DI/DO 57
YC7
85 MCK
ROMA0-ROMA18
ROMA0 29–32•34•38•40•42
I •41•39•33•35•44•
ROMA18
43•45–49
ROMD0
27•25•23•21•22
I
•24•26•28
ROMD7 ROMD0-ROMD7
65
CLKIN
X401
DA0 RAMA0-RAMA10
27MHz
17–20•16–12
I
66 CLKIO
•111•110
DA10
RAMD0-RAMD15
DD0
116–123•6–2
I
•126–124
DD15
DQMO 114
WE B 9
CAS B 10
11
RASO B
BAO 112
RAMCLK 127
SI 90
SO 91
SCK 93
RESET B 99
SP 88
S901
(LIMIT) MP 89
92 LIMIT MUTE 113
MUTE
D701
13 13
DIGITAL
MODULATOR
IC700
MAIN
CD-L A
LOUT 9
SECTION
(Page 14)
ROUT 6 R-CH
MUTE 10
VIDEO SIGNAL
FORMAT 13 PROCESSOR
IC400
CVBS/Y 32
28 VSYNC
29 HSYNC
15 CLK
14 MODEB
9 SLEEP
17
P0
I
I
24
P7
16M SDROM
IC200
A0
45•25–18•
I
8–1•48•17
• R-ch is omitted due to same as L-ch.
A18
• Siganal Path
: CD PLAY
DQ0
29•31•33•35
I
•38•30•42–44
DQ7
16M SDROM
IC300
A0
21–24•
I
27–32•20
A10
2•3•5•6•8•
DQ0
9•11•12•39•
I
40•42•43•45
DQ15
•46•48•49
14 LDON
36 UDQM
15 WE
16 CAS
17 RAS
SYSTEM CONTROL
19 BA
IC801 (1/3)
35
CLK
19 CD SO
18 CD SI
20 CD SCK
98 CD XRST
54 SP
90 MP
SW1
95 CD DSW
MAIN (DOWN)
B
SECTION
(Page 14) SW2
55 CD SELFSW
(SELF)
SW3
92 CD INSW
(DISC IN)
93 CD LOAD
94 EJECT
CDX-V3800
CN401
(VIDEO OUT)
CD POWER
BU+3.3V CONTROL
U COM+3.3V
Q701,703
CD ON 87