Block Diagram -Cd Section - Sony CDX-F7700 Service Manual

CDX-F7700/F7705X
3-2. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD1
PD2
PD2
PD1
E
E
F
F
LASER DIODE
AUTOMATIC
LD
POWER
CONTROL
Q1
PD LD
PD
OPTICAL
PICK-UP BLOCK
(KSS1000E)
2-AXIS DEVICE
FCS+
FCS–
(FOCUS)
(TRACKING)
TRK+
TRK–
M902 M
(SLED)
M901
M
(SPINDLE)
M903
M
(LOADING)
26 A RFACO 42 RFACI ASYO 46 45 ASYI
41
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 12 TRDR
VO1+ VIN1–B 18
9 SFDR
6 VO4+ VIN4+ 31
VIN4– 32 10 SRDR
7 VO4–
6 MDP
8 VO3+ VIN3+ 25
9 VO3–
MUTE 34
5
VLO+
FWD 1
4 VLO–
REV 2
AOUT1 81
AOUT2 86 R-CH
91
LMUT 22 CD LMUT
RMUT 90 23 CD RMUT
FOK 3 19 CD FOK
SQSO 96 16 CD SQSO
97 18 CD SQCK
SQCK
100 15 CD XRST
XRST
102
DATA 14 CD DATA
XLAT 104 13 CD XLAT
CLOK 105 12 CD CLOK
SENS 107 11 CD SENS
108 10 CD SCLK
SCLK
113 8 CD GFS
GFS
C2PO 114 7 CD C2PO
SCOR 115 52 CD SCOR
XTAI 78 81 X1
X1 X2
16.9344MHz 18.43MHz
77 80 X0
XTAO
SW1 46 MEC_DSW
(DOWN)
SW2
53 MEC_SELFSW
BCK 66
(SELF)
60
BCKI
PCMDI 61
SW3
63 45 MEC_INSW
LRCK
(DISC IN)
62
LRCKI
PCMD 65
SW4
42 MEC_LIMIT
(LIMIT)
41 DRON
43 MEC LOAD
MEC EJECT
44
20 20
• R-ch is omitted due to same as L-ch.
• Siganal Path
: CD PLAY
LINK OFF 20
IC273 (1/3)
1 7
UNISI 56
RXD 25
IC252 (1/3)
6 2
UNISO 57
TXD 26
IC273 (2/3)
2 6
UNICLK 58
5 3 IC273 (3/3)
BUS ON 50
RSTX 75
A ATT 60
BU IN 51
SYSTEM CONTROL
IC303 (1/3)
EJECT OK 61 38 DOOR SW
IC252 (2/3)
1 7
MECON 63 71 CDM ON
IC252 (3/3)
2 5
CDON 64 59 CD ON
76 Z ATT
ZMUT 66
CD Q267
SYSTEM CONTROL
IC4
MECON CHK 67 C D+6V
CDON CHK 68
CD+3.3V
+1.5V REG
IC7
+1.5V
CONTROL 5 VOUT VDD
+1.5V
Q2,3
+3.3V
+3.3V CONTROL
Q5,6
DECON 65
AUDIO INTERFACE
DEC XMUTE 37 22 CLCK
DEC SSTBY 27 41 SRMSTB
DEC XRST 28 2 RESET
3 STANDBY
DEC STBY 29
DEC INT 30 36 BUCK
DEC SCL 31 7 I2C SCL
DEC SDA 32 6 I2C SDA
EMPH 69 28 BUSO
15 BCK1A
18 BCK1B
11 SD0O
16 LRCK1A
19 LRCK1B
14 SD1O
MAIN
CD-L A
SECTION
(Page 21)
LINK OFF
UNI SI
UNI SO
MAIN
B
UNI SCK SECTION
BUS ON (Page 21)
SYS RST
ATT
BU CHK
1
BU+3.3V
CE 3
IC8