Block Diagrams; Cd Section - Sony HCD-GSX75 Service Manual

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