Bd Section - Sony MDS-B6P Service Manual

— BD SECTION —
46 45 44 43
OPTICAL PICK-UP BLOCK
VC
(KMS-210A/J-N)
IC172
IV-AMP 2
J
48
3 1
BUFFER
I
IV-AMP 6 7 47
F 5
6
C B
J
I
D A A
2
B
E 3
6 C
4
D
5
E
6
F
VC 7
RV101
FI
E-F 8
BALANCE
FO
9
VC
1
VC
TEMPR
16
RV102 D101
TEMPI
12
LASER
POWER
Q101
LASER ON PD
10
PD
SWITCH
APCREF
11
HIGH
POWER
4
LD IC122
2
Q162,163
APC
L.F
MOD
Q164
HF
H.F
MODULE
MOD
SWITCH
SLED/SPINDLE MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC151
TRACKING 2
COIL
TRK -
2
FOCUS
26
COIL
DRIVER
TRK +
29
FCS +
8
FCS - DRIVER
11
M101
2 SLED +
SLED
M 15
SLED - DRIVER
MOTOR
13
M102
2 SPDL +
SPINDLE
M 22
SPDL - DRIVER
MOTOR
24
• Signal path
:PB
CLOCK
:PB (DIGITAL OUT)
DETECTOR
09
33
SWITCH
+5V
RF AMP
IC101
42
RF AGC RF
41
& EQ
AUX AUX
RF AMP BPF 34
SW
BOTM
PEAK & 38
PEAK
BOTTOM
39
5
ABCD ABCD
37
AMP
IV AMP
FOCUS
IV AMP
FE
ERROR
35
AMP
AT ADFM
30
AMP
ADIN
31
+2.5V
GENERATOR ADFG
33
TRACKING TE
+5V 26
ERROR
SE
29
AMP
TEMP
IC102
AMP
TLB
4
27
TFIL
SERIAL
APC
P-P 25
PARALLEL
THID
23
DECODER
TENV
22
14 15
17 18 19 20
4
TFDR
31
TRDR
32
FRDR
5
FFDR
6
SFDR
17
SRDR
18
SPFD
19
SPRD
20
8
FS4
3
Q151
RESET
— 41 —
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER
IC121
14
SQSY
SUBCODE
PROCESSOR,
READER/
GENERATOR
EFMO
45 EFM
RFI
MOD/DEMOD
58
CLTV
60
FILI
EFM
62
FILTER TIMING
PCO
61
GENERATOR
FILO
63
4
PLL
SPFD
DIGITAL
94
CLV
SPRD
93
PROCESSOR
ADIP ADIP
82
DEMOD DECODER
AUX
68
BOTM
65
5
PEAK
64
ABCD
ANALOG
2 66
FE MUX
CONV
67
TE
77
SE
VC
76
VC
VC 69
SWDT
8
SCLK
4 9 CPU
XLAT
IF
10
XRST
16
REC
24
SRDT
11
DIRC SERVO
7
CONTROL
SERVO
AUTO
SEQUENCER
51 52 49 53 15 21 20
DIDT
28
DIGITAL
DIN
AUDIO
PLL
DODT
IN/OUT 27
DTO
AUDIO
30
REGISTER DATA
DTI
CONTROL 29
ECC
C2PO
ENCODER/ 31
DECODER
32K RAM
BCK BCK
TIMING
32
GENERATOR LRCK
33
&
FS4
90
CLOCK
XTAI
GENERATOR
35
XTAO
34
X120
22.5792MHz
DFCT
3
FOK
2
5 SHCK
A/D
PROCESSOR 4
OFTRK
98
COUT
99
WRPWR
6
APC
LDDR
LD
PWM
84
GEN
SERVO DSP/PWM GENERATOR
FOCUS/TRACKING/
SLED SERVO & PWM
6
SENS
CONTROL
12 85 86 87 89 91 92
6
— 42 —
MDS-B6P
SQSY
DOUT
EEP ROM
IC171
SDA 5 SDA
SCL 6 SCL
DATA
A
C2PO
DIGITAL
SECTION
(Page 43)
BCK
LRCK
FOK
SHCK
WRPWR
LIMIT
S101
LIMIT IN
PROTECT
S102-1
-1
PROTECT
S102-2
REFLECT REFLECT
-2
M191 LOUT
M
LOADING MOTOR C
LIN
REMOTE
S192
INSW SECTION
LOAD IN DET
(Page 46)
S191
OUTSW
LOAD OUT DET
S193
CHKIN
CHUCKING IN
DET
LDON
MOD
(Page 47)
DUPLICATION
SECTION
DODT
B
SRDT
XLAT
5
XRST
SENS
SCLK
SWDT
A
DIGITAL
FG
SECTION
REC
(Page 43)