Ic Block Diagrams - Sony AVD-C70ES Service Manual

AVD-C70ES

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