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23
23
HCD-GSX75
7-2. Block Diagrams – CD Section –
: CD
• Signal Path
• R-CH is omitted due to same as L-CH
: DIGITAL OUT
OPTICAL PICK-UP
BLOCK
(KSM-213BFN)
A
B
C
D
E
F
LD
VC
VCC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC150
MOTOR/COIL DRIVE
CH1RO
18
CH1FO
17
CH2FO
12
CH2RO
M101
M102
11
CH3FO
14
CH3RO
13
M
SLED
MOTOR
CH4RO
16
CH4FO
15
M
SPINDLE
MOTOR
F+
F-
T+
T-
22
CH1RI
23
CH1FI
6
CH2FI
7
CH2RI
4
CH3FI
5
CH3RI
2
CH4INS
20
MUTE
MDP
25
SRDR
30
SFDR
29
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SIGNAL PROSESSOR
IC101
DIGITAL SERVO
64
D OUT
RFAC
50
29
RFDCI
28
RFDCO
16
FE
17
FEI
12
SW
RFDC
43
FE
39
TE
41
SE
40
66
PCMD
OPTICAL
OUT
IC309
26
RO
4
DATA
R-CH
L-OUT
6
CLOK
5
XLAT
77
SQCK
8
SCLK
15
SCOR
76
SQSO
26
SSTP
2
XRST
S101
LIMIT
IN SW
C-DATA
28
C-CLK
35
C-XLAT
23
C-SQCK(SCLK)
33
C-SCOR
19
C-SQSO(RXD1)
32
7
SENS
C-SENSE
27
OUT(CD)
OPTICAL
IC801 (1/5)
SYSTEM CONTROL
15
RF AC
18
TE
+3.3V
IC104
D/A CONV,
MP3 DECODER
SDIO
12
3
23
LO
67
BCLK
BCKIA
13
65
LRCK
LRCKIA
14
71
XTAI
CKO
60
72
XTAO
XI
62
XO
63
X201
16.9MHz
5
MIDIO
6
SCL
7
MIACK/AD2
39
PO7
1
RESET
MP3-DI
6
MP3-DO
5
MP3-SCL
7
3
MICS/AD0
MP3-CS
NC
97
4
MILP/AD1
MP3-LATCH(RTS 1)
34
MP3-ACK
81
MP3-RESET
84
MP3-ST/BY
85
MP3-REQ
18
C-XRST
21
PWM3
26
PWM2
24
PWM1
22
LD ON
25
+3.3V
REG
+2.5V
REG
1
4
IC121
+3.3V
5
+2.5V
CD +5V
91
88
93
T-SENS3
T-SENS2
T-SENS1
TABLE
SENSOR
IC11
TABLE
SENSOR
IC13
TABLE
SENSOR
IC12
LOAD IN SW 86
LOAD OUT SW 87
LOAD IN
LOAD OUT
S842
(LOAD)
D-SENS 92
DISC IN
DETECT SENSOR
D441, Q841
AMP
Q801, 802,
805, 806
LOAD NEG 3
LOAD POS 2
LOADING
MOTOR CONTROL
Q406, 408
TABLE POS 1
TABLE
MOTOR CONTROL
Q402, 404
TABLE NEG 100
3
2
RN1
FN1
16
17
MOTOR
DRIVE
9
8
10
11
MOTOR
DRIVE
OUT1 –
OUT1 +
OUT2 –
OUT2 +
RIN2
FIN2
LOADING/TABLE
MOTOR DRIVE
IC401
M441
(LOADING)
M
M
M442
(TABLE)
A
INPUT/EVR
SECTION
(Page 25)
IC103