Ic Block Diagrams - Sony AVD-S50 Service Manual

AVD-S50/S50ES

5-32. IC BLOCK DIAGRAMS

IC001 CXD1881AR (RF Board)
64 63 62 61 60 59 58
INPUT
SEL ATT
4
INPUT
DVDRFP 1
MUX ATT AGC
BIAS
DVDRFN 2
2
2
INPUT
INPUT IMPEDANCE
IMPEDANCE SEL
SEL
+
CLAMP &
ENVELOPE
–
BUFFER
2
LEVEL
SIGDET
DAC
COMPARATOR
A2 3
PHASE
DETECTOR
B2 4
GCA EQ +
+
C2 5
PHASE
DETECTOR
D2 6
3 3
FROM FROM
VC
S-PORT S-PORT
CP 7
CN 8
A+D
D
D 9
+
+
C
C 10
+
GCA
B
+
B 11
B+C
A
A 12
3
FROM
MUX
S-PORT
B+D
CD D 13
+
+
CD C 14
SUM
GCA
AMP
W/LPF
CD B 15
+
+
CD A 16
A+C
3
CD/DVD FROM
S-PORT
–
GCA
+
GCA
3 4
FROM FROM
S-PORT S-PORT
VCI FOR SERVO INPUT
VC = VPB/2
APC SEL
DUAL APC
DVD/CD
LD H/L
FROM S-PORT
17 18 19 20 21 22 23 24 25 26 27
57 56 55 54 53 52 51
FAST ATTACK
OUTPUT
FULL WAVE AGC CHARGE
INHIBIT
RECTIFER PUMP
PROGRAMMABLE
FROM S-PORT
EQUALIZER
FILTER
DIFFERENTIATOR
AGCO
CONTROL
SIGNALS
+ TO EACH
REGISTER
BLOCK
–
V33 FOR
OUTPUT
3
LPF ATT
CE ATT
POL SEL
CEPOL
BUFFER
– –
V25
V125
V25/3
TOPHOLD
–
OFFSET
GCA GCA
+
CANSEL
TOPHOLD
4
FROM
S-PORT
–
OFFSET
GCA LPF GCA GCA
+ CANSEL
GCA
5
4
FROM
FROM
S-PORT
S-PORT
OFFSET TE
GCA MUX GCA LPF SUB GCA GCA GCA
CANSEL RST
6 3
CD/DVD CP/CN
CEFDB FROM FROM
LOW
S-PORT S-PORT
IMPEDANCE
+
OFFSET
GCA LPF
CANSEL
+
5
FOR SERVO
FROM
OUTPUT
S-PORT
HOLDEN
V25/2
SEL
BCA
TOP
DET
HOLD
COMPA-
RATOR
–
2
FROM
+
DAC
S-PORT
LINKEN
HYSTERESISTER
& OFFSET
FROM S-PORT
INPUT GAIN
INPUT
FROM S-PORT
AGCO
IMPEDANCE
2
MIRR
FROM S-PORT
COMPARATOR SINK CURRENT
2
FROM S-PORT
PEAK/BOTTOM INPUT
INTERNAL
HOLD BUFFER
FDGHG
28 29 30 31
IC401 CXD3068Q (DVD Board)
50 49
AGC
DVDD2
61
HOLD
ASYE 62
MD2 63
DOUT 64
LRCK 65
PCMD 66
BCK 67
48 SDEN
SERIAL
47 SDATA
PORT
46 SCLK
45 V33
BUFFER
EMPH 68
44 LCP
XTSL
69
43 LCN
DVSS2 70
PI XTAI 71
XTAO 72
FE
TE
MNTR
CE 42 MNTR
CONTROL
SOUT 73
SOCK 74
XOLT 75
41 CE
SQSO 76
SQCK 77
40 FE SCSY 78
SBSO 79
EXCK 80
39 TE
38 PI
PH
IC812 SN74LV245APWR (DVD Board)
37 V25
IC813 SN74LV245APWR (DVD Board)
36 V125
35 TPH
GCA SEL 34 DFT
20 19 18
33 LINK
BOTTOM
ENVELOPE
2
PH
MUX
1 2
32
72 72
60 59 58 57 56 55 54 53 52
OSC
DIGITAL
PLL
DIGITAL
OUT
D/A DIGITAL EFM
INTERFACE DEMODULATOR
32K ERROR
RAM CORRECTOR
CLOCK
GENERATOR
SUBCODE
PROCESSOR
SERVO INTERFACE
SERVO
AUTO
SEQUENCER
CPU
INTERFACE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
17 16 15 14 13 12 11
3 4 5 6 7 8 9 10
51 50 49 48 47 46 45 44 43 42 41
ASYMMETRY
CORRECTOR
40 SE
39 TE
38 VC
37 TES1
36 TEST1
35 DVSS1
FOCUS FOCUS
34 FRDR
SERVO PWM
33 FFDR
DSP GENERATOR
TRACKING TRACKING
32 TRDR
SERVO PWM
31 TFDR
DSP GENERATOR
SLED SLED
30 SRDR
PWM
SERVO
29 SFDR
DSP GENERATOR
28 DVDD1
27 FSTO
26 SSTP
25 MDP
DIGITAL
CLV 24 LOCK
PROCESSOR
PWMI
23
22 FOK
MIRR, DFCT,
FOK 21 DFCT
DETECTOR
IC814 TC7WH157FK (DVD Board)
8 VCC
11 7
ST
11 6
SELECT
EN G
A 1 A Y 5
Y
2
B B Y
Y 3
GND 4