HCD-F250AV
— 27 —
— 28 —
6-1. BLOCK DIAGRAM — CD SECTION —
SECTION 6
DIAGRAMS
OPTICAL PICK-UP
BLOCK
(KSS -213 B/S-N)
LD
DRIVER
Q103
A+5V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC103
FCS/TRK COIL
SL/SP MOTOR
DRIVER
SLED/SPINDLE SERVO
RF AMP
IC101
18
22
T IN
17
19
20
VR
PD
8
7
6
5
15
F IN
10
SL IN
3
SP IN
2
F+
F
T+
T
SL+
SL
SP+
SP
M
M
MOTOR
M102
SLED
MOTOR
M101
SPINDOL
VDD
D IN
GND
A+5V
CD
DIGITAL
OUT
IC402
16
:CD
:DIGITAL OUT
• SIGNAL PATH
41
RF SM
VR
58
7
VCC
8
VC
4
A
2
B
1
C
5
D
6
E
10
F
DETECTOR
FOCUS/TRACKING/
FIN 1
2
FIN 2
1
E
3
F
4
LDD
62
LDS
63
FD
16
TO
15
SLD
29
SPD
27
52
DATA
50
CLK
51
CL
53
CE
34
TGL
54
DRF
39
CV-
40
CV+
Q101
30
SL-
Q102
31
SL+
35
TOFF
44
SLI
49
DEF
36
TES
37
HFL
33
JP+
32
JP-
DIGITAL SIGNAL
PROCESSOR
IC102
EFMI
10
EFMO
9
DEF
1
TES
16
HFL
15
JP+
19
JP-
20
COIN
56
4.2M
61
CQCK
57
RWC
54
TGL
18
TOFF
17
CONT3
26
CLV+
12
CLV-
13
CONT4
27
31
D OUT
49
PW
CD TEXT
DECODER
IC104
SBSO
2
WFCK
4
MCK
5
FXCK
1
SCOR
3
12
SRDT
11
SCLK
13
DQSY
6
XMODE
50
SFSY
60
16M
51
CBCK
47
SBSY
53
WRQ
55
SQOUT
3
RD
45
XI
44
XO
X101
16.9344M
37
L CH
40
R CH
R CH
58
RESET
CD CHANGER
CONTROL
IC401
80
IIC DATA
78
IIC CLK
66
65
64
67
55
49
SRDT
SCLK
DQSY
XMODE
WRQ
SQOUT
COIN
50
DB RESET
2
CQCK
48
RWC
58
TGL
57
DRF
54
SL+
47
SL-
59
XTAL
32
EXTAL
31
X401
D151
IC461
MOTOR DRIVER
8
9
11
10
L+
L
T+
T
M
M
MOTOR
M61
LOADING
MOTOR
M62
TABLE
3
2
16
17
L+
L
T+
T
LD OUT
76
LD IN
77
TBL L
75
TBL R
74
30
RESET
42
D SENS
FILTER AMP
IC441
8
15
8
D0
D7
A0
A14
SRAM
IC411
WE
27
20
CE
29
WE
RESET
SW
Q411
U+5V
D51
DISC
SENSOR(S)
Q51
DISC
SENSOR
62
TSENS 1
D51
D402
61
TSENS 2
70
UP SW
71
DOWN SW
69
DOOR SW
63
TSENS 3
TABL
SENSOR
IC51-53
S51
(UP)
S52
(DOWN)
S413
(DOOR)
RESET
IIC DATA
IIC CLK
CD L
TO/FROM
MAIN
BLOCK
(Page 29)
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Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
