Sony CFD-G550CP, Service Manual

Page: 19 / 60

CFD-G550CP
19 19
CFD-G550CP
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM — CD SECTION —
A
C
B
F
E
D
A
C
B
D
LD
PD
VR
F
T+
T–
F+
F–
SL+
SL–
SP+
SP–
E
VREF
LD
PD
LD POWER
CONTROLLER
Q701
APC
FIN2
FIN1
LDD
LDS
TIN2
TIN1
VREF
RF
10
9
11
80
7
79
4 8
20
17
18
TRACKING
COIL
DRIVE
10
7
FOCUS
COIL
DRIVE
TIN
FIN
25
SLIN
SLED
MOTOR
DRIVE
3
SPINDLE
MOTOR
DRIVE
SPIN
VREF
OPIN
MUTE
T+
T–
12
11
F+
F–
26
27
SL+
SL–
2
1
SP+
SP–
TRACKING
COIL
FOCUS
COIL
OPTICAL PICK-UP
BLOCK
(KSS-213R)
M
M
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVER,
TRACKING/FOCUS
COIL DRIVER
IC702
S701
(LIMIT)
EFMIN
HFL
AGC
PH(RFENV)
FE
TE
VREF
CONT1 FSEQ CONT4 DRF RES DI CE CL WRQ DO XOUT XIN
LCHO
RCHO
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
CF2
FSX/16MIN
16MOUT
A
3
67
TDD
TD FD SP SL
31 72 25 66 63 61 62 49 48
73
74
75
76
77
78
80
1
2
3
4
5
9
59
58
57
56
55
52
50
65 64
42
45
RF AMP,
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC701
48
77 72 73 76 75 50 74 78
X701
16.9MHz
CD-CE
CD-DO
CD-CL
CD-WRQ
CD-RES CD-DRF
CD-FSEQ
CD-DI
79
44
49 80
MP3-CE
70
MP3-CL
68 69
MP3-CMDIN
MP3-INTB
MP3-RESB
MP3-CMDOUT
RESB INTB CE CL CMDIN CMDOUT
CD-DOOR
CD-ON
21
SYSTEM CONTROLLER
IC801 (1/2)
CD1.8V
CD3.3V
S801
PUSH
OPEN/
CLOSE
D901 –904
F902
CNJ901
T901
POWER
TRANSFORMER
AC IN
Signal path
: CD
R-ch is omitted due to same as
L-ch.
CLV,CAV
CONTROL
PLL
VCEC
SWITCH
ERROR
CORRECTION
AUDIO CD
A/D
CONVERTER,
SERVO
PROCESSOR
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
INTERPOLATION
MUTE
&
ATTENUATION
DEEMPHASIS
8FS
DIGITAL
FILTER
&
1-bit DAC
SERIAL
OUT
EXTERNAL
AUDIO IN
LPF
SLICE
LEVEL
CONTROL
GENERAL
PURPOSE
PORT
COMMAND
INTERFACE CLOCK
GENERATOR
23
15
FD
SL
SP
TD
VREF
VREF
VREF
R-CH
DATACK
LRSY
79 60 DATA IN
ADDATA
ADBCK
ADLRCK
CF2IN
WEB OEB CASLB CASUB RASB
CKOUT
7 54
41 44 43 45 42
16 30 31 29 15
23-30,33-40 60-53,50
18-21,24-28
2-5,7-10,
35-38,40-43
CKIN
CMDOUT
CMDIN
CL
CE
INTB
RESB
CMDOUT
CMDIN
CL
CE
INTB
RESB
CD L CH
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
8PCS,12V
D/A
CONVERTER
PH/BH
POWER
CONTROL
Q806,808
+6V
REG
Q972
+3.3V
REG
Q956
+9V
REG
Q971
+6V
REG
Q954
POWER
CONTROL
Q951-953(E41)
Q952,953(MX)
20
FDD SPDO SLDO
21 22 23
+1.8V
REG
IC1003
Q803
AC CHK
PCON
93
6V
U-COM(VDD)
U-COM3.3V
VDD(SW)
3.3V
CD6V
AUDIO 6V
MDATA0
I
MDATA15
MADRS0
I
MADRS8
WE
OE
LCAS
UCAS
RAS
DQ0-DQ15
A0-A8
MPS DECODER,
CD-ROM DECODER,
ANTI-SHOK
CONTROLLER
IC1001
SDRAM
IC1002
1 3
+3.3V
REG
IC803
2 3
(Page 20)