Diagrams; Block Diagram - Rf/Servo Section - Sony SCD-XA777ES Service Manual

5-1. BLOCK DIAGRAM – RF/SERVO Section –
OPTICAL PICK-UP
BLOCK
(KHM-230AAA)
RF
A
B
C
D
DETECTOR
IC081 (2/2)
E
7
6
F
G
2 1
H
IC081 (1/2)
DVD_LD AUTOMATIC POWER
CONTROL (FOR SACD)
LASER
Q001
DIODE
DVD_PD
(SACD)
CD_LD AUTOMATIC POWER
CONTROL (FOR CD)
LASER
Q003
DIODE
CD_PD
(CD)
VC
(+2.5V)
+1.65V
VMOD
MODULE
B+ SW
A+5V
CIRCUIT B+
Q002, 005
FOCUS/TRACKING COIL DRIVE,
SLED MOTOR DRIVE
2-AXIS
DEVICE
FD+
12
FD–
11
(TRACKING) (FOCUS)
TD+
14
TD–
13
DRVC
17
SD+
17
SD–
M2 18
M
(SLED)
SP+
27
SP–
26
S1
(LIMIT) SPINDLE/LOADING
MOTOR DRIVE
D+3.3V
SP+
8
SP–
M3 9
M
(SPINDLE)
DRVC
20
LOAD+
6
LOAD–
M1 5
M
(LOADING)
SECTION 5

DIAGRAMS

63
RFSIN
FNP
ATOP 62 59 AIP 53 54 DIP
1
DVDRFP
FNN
ATON 61 60 AIN 52 55 DIN
3
A2
4
B2
5 C2
6
D2
12
A
11
B
10 C
9
D
16 CD_A
15
CD_B
14
CD_C
13
CD_D
18
CD_E
17
CD_F
SACD/CD RF-AMP,
FOCUS/TRACKING ERROR AMP
IC001
21 DVDLD
23 DVDPD
SDATA
22
CDLD
24 CDPD
20 VC
36
VC125
IC502
FOCUS FFDR
5
COIL
FRDR
6
DRIVE
STANDBY1
9
TRACKING TFDR
2
COIL
TRDR
3
DRIVE
SLED SFDR
24
MOTOR
SRDR
23
DRIVE
STANDBY2
20
25
IC512
SPINDLE
MOTOR 17
DRIVE
SP_ON
MUTE2
13
LOAD_IN
LOADING
22
MOTOR
LOAD_OUT
21
DRIVE
MUTE_LOAD
MUTE1
2
RFAC
57
DIGITAL SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER
50 RFAC
40
SE
TE
TE
TE 39 41 TE
FE FE
39
FE 40 FE
IC004(2/3)
PI
5 7 PI
38
43 RFDC
PI
MIRR MIRR
MIRR 27 20
MIRR
DATA_RF
47
CLK_RF
46
SCLK
AVC(1.65V) 42
CE
LDON
38
VC
26
LDON
SDEN
48
SDEN
FJMP1
FJMP2
33 FFDR
34 FRDR
TFDR
31 TFDR
TRDR
32 TRDR
SFDR
29 SFDR
SRDR
30 SRDR
MUTE_2D
FG
LIM_SW
26 SSTP
SPDA
31 31
IC004(1/3)
A+3.3V
8 10
+1.65V
14 12
AVC +1.65V
IC004(3/3)
IC509
IC503 (1/2) D+5V
DRVC +2.5V
OPTICAL
WAVE TRANSCEIVER
64
DOUT SHAPER IC442
IC441
T441
MDAT
PCMD 66
BCLK
BCK 67
LRCK
LRCK 65
768FS
XTAI
71
GSCOR
WDCK 17
EXCK
EXCK
80
SBSO
SBSO 79
WFCK
10
WFCK
C2PO
14
C2PO
LOCK
LOCK 24
FOK
22
FOK
COUT
19
COUT
SCOR
SCOR 15
GFS
13
GFS
SCLK
8
SCLK
SENS
SENS 7
CLOK
6
CLOK
XLAT
5
XLAT
DATA
DATA 4
MUTE_CD
3
MUTE
SQCK
77
SQCK
SQSO
SQSO 76
MD2
63
MD2
XRST_CD
XRST 2
MDP
25
MDP
SPIN
SCD-XA777ES
RFAC
A
(Page 32)
• Signal Path
: SACD PLAY
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
OPTICAL
DIGITAL (CD)
OUT
J391
COAXIAL
B
(Page 32)
C
(Page 33)
SCOR
D
(Page 32)
E
(Page 32)
F
(Page 33)
G
(Page 33)
H
(Page 33)