Block Diagram -Cd Section - Sony CDX-F5500M Service Manual

3-2. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD1
PD2
PD2
PD1
E
E
F
F
LASER DIODE
LD LD DRIVE
Q1
PD LD
PD
OPTICAL
PICK-UP BLOCK
(KSS1000E)
2-AXIS DEVICE
FCS+
FCS–
(FOCUS)
(TRACKING)
TRK+
TRK–
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
CDX-F5500M
RFACO 42 RFACI ASYO 45 ASYI
26 A 41 46
27 B
28 C
29 D
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC3
19 E FEO 24 23 FEI
20 F TEO 22 21 TEI
36 LD PD 37
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
13 FFDR
11 VO2– VIN2+ 22
10 VIN2– 21 14 FRDR
VO2+
13 VO1– VIN1+B 19 11 TFDR
12 TRDR
12 VO1+ VIN1–B 18
6 VIN4+ 31 9 SFDR
VO4+
M
10 SRDR
7 VO4– VIN4– 32
6 MDP
8 VIN3+ 25
VO3+
M
9 VO3–
MUTE 34
5
VOL+
M
FWD 1
4 VOL–
REV 2
81
AOUT1
AOUT2 86 R-CH
LMUT 91 22 CD LMUT
RMUT 90 23 CD RMUT
FOK 3 19 CD FOK
SQSO 96 16 CD SQSO
97
SQCK 18 CD SQCK
100
XRST 15 CD XRST
DATA 102 14 CD DATA
XLAT 104 13 CD XLAT
CLOK 105 12 CD CLOK
107 11 CD SENS
SENS
108 10 CD SCLK
SCLK
GFS 113 8 CD GFS
C2PO 114 7 CD C2PO
115 52 CD SCOR
SCOR
SYSTEM CONTROL
78 81 X1
XTAI
X1 X2
16.9344MHz 18.43MHz
XTAO 77 80 X0
SW1
46 MEC_DSW
(DOWN)
SW2
53 MEC_SELFSW
66
BCK
(SELF)
BCKI 60
PCMDI 61
SW3
63 45 MEC_INSW
LRCK
(DISC IN)
LRCKI 62
PCMD 65
SW4
42 MEC_LIMIT
(LIMIT)
41 DRON
43 MEC LOAD
44 MEC EJECT
19 19
• Signal path
: CD
• R-ch is omitted due to same as L-ch.
BU IN 51 BU IN
RSTX 75 SYS RST
A ATT 60 M-ATT
UNISI 56 UNI SI
RXD 25
UNISO 57 UNI SO
TXD 26
UNICLK 58 UNI CLK
BUS ON 50 BUS ON
SYSTEM CONTROL
IC500 (1/3)
EJECT OK 61 58 PANEL SW
MECON 63 30 CDM ON
CDON 64 29 CD ON
ZMUTE 66 42 Z MUTE
CD
IC4
MECON CHK 67
MECH+6V
KEY BOARD
CDON CHK 68 SERVO 3.3V
+1.5V REG
IC7
+1.5V
+1.5V CONTROL 5 VOUT VDD 1
Q2,3
CE 3
+3.3V
VDDT+3.3V CONTROL
Q5,6
DECON 65
AUDIO INTERFACE
IC8
DEC XMUTE 37 22 CLCK
DEC SSTBY 27 41 SRMSTB
DEC XRST 2 RESET
28
DEC STBY 29 3 STANDBY
DEC INT 30 36 BUCK
DEC SCL 7 I2C SCL
31
DEC SDA 32 6 I2C SDA
EMPH 69 28 BUSO
15 BCK1A
18 BCK1B
11 SD0O
16 LRCK1A
19 LRCK1B
14 SD1O
CDX-F5500M
MAIN
A
CD-L
SECTION
(Page 20)
MAIN
B
SECTION
(Page 20)
BU 3.3V