Block Diagram - Main Section (1/2); Block Diagram - Main Section (2/2) - Sony Walkman D-E888 Service Manual

D-E888/E999/EJ825/EJ925
Q Q
3 7 6 3 1 5 1 5 0
5-1. BLOCK DIAGRAM – MAIN Section (1/2) –
DETECTOR
A A
B B
RF RF
E E
F
F
VCC
OPTICAL PICK-UP BLOCK
DAX-21EG
LASER DIODE
PD
A
(Page 19)
PD LD
LD
B
(Page 19)
M901
M
(SLED)
(FOCUS)
2-AXIS
DEVICE
(TRACKING)
T E
L 1 3 9 4 2 2 9 6 5 1 3
U1
24 +
V1
23 +
SEPARATOR
W1
22 +
M902
(SPINDLE)
COM
25
U
14
V
V
16 PREDRIVER
U
W
W
18
VG
VG
C
20
(Page 19)
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
w w w
: CD PLAY (OPTICAL OUT)
05
FOCUS/TRACKING COIL DRIVER
SLED MOTOR DRIVER
IC401 (1/2)
FO2 FI2
36 43
RO2 RI2
34 44
FO1 FI1
40 CONTROLLER, 41
RO1 RI1
H BRIDGE DRIVER
38 42
FO3 FI3
32 12
RO3 FI3
30 13
SPINDLE MOTOR DRIVER
IC402
SYNC
2
PWM
3
ROTATION MODE
POL
DETECTOR CONTROL 4
FG
BEMF 1
FEEDBACK
PATTERN
GENERATOR
DATA
7
CLK
OR
CPU 9
LTCH
INTERFACE
8
PHASE/PWM
DECODER
6
x a o
. i
– 15 –
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A
62
B
61
RFDC
58
RFAC
71
E
59
F
60
BUFFER ATSK SERVO
29
IC603 I/F
SFDR
46
SRDR
47
FFDR
50
FRDR
51
TFDR
48
TRDR
49
Q Q
3 7 6
C176
BUFFER 42
MDP
IC403
43
MDS
44
17
25
27 FG
45 DRVLT
42 39
S804
HOLD
HOLD
OPTICAL OFF
PICK-UP
VCC1 2V
POWER ON
SWITCH
Q411
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9 9
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
IC601
WDCK
DIGITAL DOUT
WFCK
OUT
MDS
XTAO
D0-D3
XTAI
RFAC
SIGNAL
PROCESSOR
BLOCK
A0-A10
MEMORY
MDP
CONTROLLER,
XSOE
BUS BOOST
SENS BLOCK
R4M
XRAS
XLAT
CLOK XWE
SCOR XCAS
SDTO XOE
XTAI
XTAO
LOUT
LPF
ROUT
HPL
HPR
RFDC
3 1 5 1 5 0 8 9
E
F
B
A FOK
SFDR SERVO
BLOCK
SRDR
FFDR AMUTE
FRDR
XRST
TFDR
TRDR
30 35
23 26 25 24 28 78
12 11 10 43 79 44 26 3
SYSTEM CONTROLLER
IC801 (1/3)
21
VCPU 2V
S801
(OPEN/CLOSE DETECT)
TAP802
(OPEN)
m
c o
.
– 16 –
2
8 9 9
DOUT
I
85
(Page 17)
D-RAM
IC602
113 5 XRAS
114 4 XWE
119 23 XCAS
120 22 XOE
93
X601
16.9MHz
94
97
LOUT,
ROUT
J
104 (Page 17)
38
HPL,
HPR
M
39 (Page 17)
2 4 9 8 2 9 9
AMUTE
13 K
(Page 17)
XRST
L
21
(Page 17)
41
SYNC
D
(Page 19)
RST
E (Page 19)
SCK
G
(Page 19)
SDTO
F (Page 19)