Ic Block Diagrams - Sony CFD-S20CP Service Manual

CFD-S20CP

6-20. IC BLOCK DIAGRAMS

IC701 LC78646E-E (CD Board)
80 79 78 77 76 75 74 73 72 71
FIN1
+
–
MIX
FIN2
+
–
LPF
TIN1
+
TBAL
–
TIN2
+
TBAL
–
LEVEL SET
REFI
RAM
DEFECT
SERVO PROCESSOR
A/D
ADAVDD
ADAVSS
JITTC
JITTER
DETECT
SLCO
SLCO 1
SLCIST
SLICE LEVEL
SLCIST 2
EFMIN CONTROL
EFMIN 3
RF
RF 4
RFVDD 5
PDO1
RFVSS 6
PDO2
FIN1
7
FIN1
FR
FIN2
PLL
PCKIST
FIN2 8
VCEC
TIN1
VVDD
TIN1 9
TIN2
VVSS
CLV,CAV
TIN2 10
VREF
CONTROL
VREF 11 SBCK/FG
REFI
12
REFI
FE
FE 13
16MOUT
TEC
TEC 14
XVSS
TE
TE 15 CLOCK
XIN
RFMON
GENERATOR
RFMON 16 XOUT
JITTC
17 XVDD
JITTC
ADAVDD
WRQ
ADAVDD 18
ADAVSS
CL
ADAVSS 19
TDO
CE COMMAND
TDO 20
DI INTERFACE
DO
CONT1-3
GENERAL PURPOSE
SBCK/CONT6
PORTS
CONT4,5
8FS
DIGITAL FILTER
1BIT DAC
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
70 69 68 67 66 65 64 63 62 61
PH
AGC EQ
BH
LPF SW +
–
+
LPF +
– –
RFMON
MONI
–
CONT
+
VREF
LDD DATA
TRACK JUMP APC LDS DATACK
LRSY
ASDFIN
AUTO ADJUST
ASDACK
TDO ASLRCK
FDO 16MOUT
S/H
SPDO
SW D/A EFLG
SLDO
C2F
GPDAC
XVSS
DRF
FSX/16MIN
DRF
XIN
XOUT
RUPTURE DEFECT
XVDD
RVDD
FRAME SYNC
RCHO
FSEQ
DETECT,PROTECT,INSERT,
RVSS
EFM DECODE
LVSS
V/P
LCHO
LVDD
SUBCODE DECODE CRC
MONI1-5
MONITOR SIGNAL SELECTOR
RAM
EFLG
ERROR
CORRECTION C2F
AUDIO CD FSX/16MIN
ASDFIN
ASDACK
EXTERNAL
ASLRCK
AUDIO IN
INTERPOLATION DATA
MUTE
SERIAL DATACK
OUT LRSY
ATTENUATION
DEEMPHASIS
AUDIO OUT
LVDD
LVSS
LCHO
LPF
RCHO
RVDD
RVSS
39 40
IC702 BA5826FP-E2 (CD Board)
SP– 1
D.BUFF
2
SP+
LEVEL
D.BUFF
SHIFT
3
SPIN
4
RST
THERMAL
SHUT-DOWN
MONITOR
REG–B 5
6
REGO
MUTE 7
GND 8
DRIVER
MUTE
TIN 9
(TIN) 10
LEVEL
SHIFT
60 DATA D.BUFF
T– 11
59 DATACK
58
LRSY
D.BUFF
57 ASDFIN T+ 12
56 ASDACK GND 13
55 ASLRCK
OPOUT
14
54 16MOUT
53
EFLG
52 C2F
51 XVSS
50 FSX/16MIN
49 XIN
48 XOUT
47 XVDD
46 RVDD
45 RCHO
IC2 LC72137M-TLM (TUNER Board)
44 RVSS
43 LVSS
42 LCHO
41 LVDD
CE 1
DI
CCB
I/F
CL 3
DO 4
MUTE 5
12BITS
PROGRAMMABLE
FM/AM 6
DIVIDER
BAND 7
ST-IND 8
BAND
9
SWALLOW
COUNTER
1/16,1/17
UNIVERSAL
COUNTER
IF IN 10
38 38
IC1 TA2149BN (TUNER Board)
GND1
1 FM RF
28 GND
FM RF-IN 2
27
SL–
AM
MIX
D.BUFF
AM LOW CUT 3
26 SL+
FM
MIX OUT 4
MIX
D.BUFF
LEVEL
SHIFT
25 SLIN
VCC2 5
AM IF
AF IF-IN 6
24 (SLIN)
FM IF
7
FM IF-IN
23 VREF
GND2 8
VCC 22 VCC
AGC
AGC 9
VCC 21 VCC
QUAD 10
20
(FIN)
R-OUT
11
MUTE
L-OUT 12
19 FIN
LEVEL
SHIFT
D.BUFF
F–
18
D.BUFF
F+
17
16 NC
15 OPIN
20 XOUT
19 XIN
REFERENCE
DIVIDER
18 LP-OUT
PHASE
17 LP-IN
DETECTOR
16 PD
CHARGE
PUMP
15 VSS
UNLOCK
DETECTOR
POWER ON
14 VDD
RESET
13 MO/ST
1/2 12 FM IN
4BITS
AM IN
11
24
FM RF-OUT
23
VCC1
22 AM RF-IN
FM
21 FM OSC
OSC
AM
20 AM OSC
OSC
BUFF BUFF
1/1 OR
19 OSC-OUT
LEVEL 1/16
DET
ST ST-IND
18
IF BUFF
1/8
SW
AM
DET
IF REQ 17 IF-OUT
AF BUFF
16 DET-OUT
AF
FM
DET
15 MPX- IN
ST/MO
FM/AM
14 LPF2/MO-ST
VCO
DIVIDE
13
LPF1/BAND
DECODE