8
8
D-EJ011
D-EJ011
5-1. BLOCK DIAGRAM
: CD PLAY
• Signal Path
3
80 79
3
5
6
5
1
7
72
2
17
4
7
8
15 16 18 19
64
63
51
66
67
24
23
50
53
49
47
48
39
62
27
26
25
24
23
22
3
57
6
9
18
DRIVER
DRIVER
DRIVER
17
19
20
23
22
11
DIGITAL
FILTER
SERVO
SIGNAL
GEN.
RF
SIGNAL
GEN.
OP IC
DIGITAL SERVO
SIGNAL GEN.
PD
LD
FDOUT
TDOUT
SDOUT
CLVOUT
TRK
FOCUS
20
CLK88
CLK
TRK
SLED
CLV
XO
XI
SUBSYQ
MCK
DIN/DOUT
R/W
RESETX
BUSY
CLOCK
OSC
DAC
31
36
21
35
SWITCHING
Q404
SWITCHING
Q403
17 16 15
47-62
19-24,27-32
2,3,5,6,8,9,11,12,39,
40,42,43,45,46,48,49
43-32
MEMORY
CONTROLLER
41
40
1-18
77-80
29-32,34
70
LCD801
LIQUID
CRYSTAL
DISPLAY
KEY MATRIX
XIN4M
SUBSYQ
21
CLK
MCK
DIN OUT
RW
EE_SCL
EE_SDA/REM_SDA
XXRESET
BUSY
DQM
MUTE2
XRESET
SEG0
I
SEG17
COM1
I
COM4
KEYSCAN1
I
KEYSCAN5
OPEN/CLOSE
HOLD
REGB
65
DC IN
30 DCIN
IC801
SYSTEM
CONTROL
L401
D403
F402
F401
DDC
LG
PVCC
+VBAT
VG
DDC
L402
L403
VG
38 VSYS
37 SW
X601
16.9344MHz
RDACO
LDACO
Q602
OUT1
OUT2
IN1
IN2
SDA
SCL
7
WP
8
VCC
IC301
HEADPHONE AMP
IC802
EEPROM
IC401 (2/2)
DC/DC CONVERTER
BD
AC
DDC
E
FO+
FO-
TRK-
TRK+
SLED+
SLED-
F
SDIN
VBIAS
AMP
10
FOCUS
AMP
8
SLED
AMP
7
CLV
CLK
TRK
FOCUS
VREF
SLED
CLV
CLK
AMP
RESET
74
2
XP.OFF
OFF
76
4
MUTE34
75
5
MUTE1
MUTE1
43
1
K_PLAY
WP
IC401 (1/2)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC602
SDRAM(16M)
RAS
CAS
WE
RASX
A00-A11
DQ0-15
RFI
EQO
CASX
WEX
DQ0-15
A0-11
44 45 46
14 36
LDQM
UDQM
35 34
CLK
CKE
RCLK
C2FX
YFLAG
RCKE
28 29
IC601
RF AMP, SERVO,
DIGITAL SIGNAL PROCESSOR,
SDRAM CONTROLLER,
D/A CONVERTER
J401
DC IN 4.5V
!
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS. 3V
J301
i
(SLED)
FOCUS
COIL
(SPINDLE)
M
TRACKING
COIL
F+
F-
T+
T-
SLED+
SLED-
DRIVER
25
24
SPID+
SPIN-
M
SPINDLE-
OPTICAL
DEVICE
(CDM-3525A)
VCC
+
+
A
B
C
E
F
LD
PD
VC
LD
DRIVER
Q601
DDC
S811
(OPEN)
S812
HOLD
OFF ON
S807
APC
10
9
D803
46
K_STOP
S801
S802
|
S805
S808,
S809
+B SWITCH
Q401
DC IN DETECT
Q402
L404
L405
Summary of Contents for CD Walkman D-EJ011
Page 21: ...21 D EJ011 MEMO ...
