Ic Block Diagrams - Sony CDP-CA70ES Service Manual

6-12. IC BLOCK DIAGRAMS

IC301 CXD8505BQ (MAIN BOARD (2/2))
32 31
SYSM 33
"O" DETECT
MUTE
ATT 34 CIRCUIT
SHIFT 35
LATCH
36
XINT
37
MODE
XDCK 38
ATT FIR1
S/P
XLRCK 39
DATA1 40
VSUD(D)R 41
DF VSS 42
VSUB(D)L 43
44
INAF
ATT
FIR1
512FS0 45
TIMING
256FS0 46
CIRCUIT
128FS0 47
I NV1 48
I NV01
49
I NV02 50
MUTE R 51
52 53 54 55 56 57 58 59 60
IC302 CXA8055M (MAIN BOARD (2/2))
ANALOG
CIREF
1
VOLUME
NC
2
CONTROL
AGND
3 CIRCUIT
NC 4
IOR– 5
IOR+ 6
CONSTANT
C5 7
CONTROL
CIRCUIT
C6 8
C7R 9
AVEES 10
AVEES 11
LOGIC
C4R
12
C3 13
14
DVEE
15
C1R
16 ECL
DGND
SWITCHING
1N1–R 17
CIRCUIT
1N1+R 18
NC 19
20
1N2+R
1N2–R 21
30 29 28 27 26 25 24 23 22 21 20
PLM
3RD ORDER
L. I. P.
FIR2 FIR3 NOISE
(x 8)
SHAPER
IIR
CLOCK
AC, DC
GENERATOR
DITHER
3RD ORDER
L. I. P.
FIR2 FIR3 NOISE
(x 8)
SHAPER
PLM
IIR
61 62 63 64
42 RIREF
REFERENCE
VREF
41
VOLTAGE
VCNT
CIRCUIT 40
39 AGND
38
AV CC
37 NC
CONSTANT
36 IOL–
CONTROL
CIRCUIT
35 IOL+
34 C7L
33 AVEES
AVEES
32
C4L
31
30 DV
EE
29 DV
CC
28 C1L
ECL 27
DGND
SWITCHING
26 1N1–L
CIRCUIT
25 1N1+L
24 NC
23 1N2+L
22 1N2–L
— 37 —
IC103 CXA2568M (BD BOARD)
APC PD AMP
VEE
1
HOLD
VEE
AGCVTH
2 VREF
LD 3
VC
19
VSS2
PD
18 4
R2(+)
17 VSS
16 R2(-)
15 VDD
A
5
14
VDD2
13
VSUB(A)R
B
12 6
XVSS
11 XVSS
RF SUMMING AMP
10 VC
X IN C 7
9 X OUT
8
XVDD
D
8
7
VSUB(A)L
6 VDD2 VEE
9 VEE
5 VDD
4 L2(-)
VC
3 VSS
VC
F
2 10
L2(+)
1 VSS2
E
11
VC
VC BUFFER
VC
12
VC
IC601 LA5616 (MAIN BOARD (1/2))
VIN1
VO1
EN1
GND
RES
EN2
VO2
VIN2
IC551 BA6780 (MAIN BOARD (1/2))
VCC
VCC 24
23
LC/PD
VCC
1
VIN1
22 LD_ON
2
FIN1
APC LD AMP
HOLD_SW
21
20 AGCCONT
VCC
(50%/30%
OFF)
RIN1 3
RF_BOT
19
VC
IOUT
4
VEE
18 RFTC
RF_EQ_AMP
17 RF_1
VREF 5
VC
RFO
16
RFE
15
ERROR AMP
6
VREG
VC
FOCUS
14 FE
VCC 7
8
OUT1+
TE
13
9
TRACKING
VC
ERROR AMP
VCC
VC
VEE
1
ON/OFF
CURRENT
LIMITER
OVERHEAT
ON/OFF
PROTECT
2
CN 3
RESET
GENERATOR
4
5
6
ERROR
AMP
CD 7
8
9
10
— 38 —
18
VIN2
17
FIN2
16
RIN2
15 CT2
14 VEE
FBIN-
13
12 FBIN+
11
OUT2+
10
OUT2-
VREF
ERROR
AMP