Diagrams - Sony RXD-700 Service Manual

• IC Block Diagrams
IC001 CXA1821M
LD 1
VCC
PD 2
A 3
VREF
VEE VEE
B 4
VC
C 5
RF SUMMING AMP
D 6
VEE 7 VEE
VC
VC
VC
F 8
VC
E 9
VC VCC
EI 10 VEE
IC501 CXD8505BQ
51
MUTEL 52
TEST1 53
54
TEST2
55
DFV 2
DD
56
DV L
DD
57
DV L
SS
VSUB(C)L 58
V 2 59
DD
V 60
DD
L1(–) 61
62
V
SS
L1(+) 63
PLM
V 2 64
SS
1 2 3 4
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VCC 20 VCC
19 LD ON
18 LC/PD
APC LD AMP
RF EQ AMP
17 RFE
VC
16 RFO
15 FE
FOCUS ERROR AMP
14 FE BIAS
TRACKING ERROR AMP
13 TE
VC
12 VC
VC BUFFER
11 EO
50 49 48 47 46 45
TIMING
CIRCUIT
"O" DETECT
MUTE
CIRCUIT
ATT
FIR1
IIR
FIR2
FIR3
L.I.P
3rd order AC, DC
NOISE SHAPER (X8) DITHER
5 6 7 8
IC002 BA6392FP
BUFF
CH1 OUT F 1
BUFF
CH1 OUT R 2
CAPA IN 1 3
R
CH1 R IN 4
INTERFACE
F
CH1 F IN 5
BUFF
VREF IN 6
VREF OUT 7
GND 8
F
CH2 F IN 9
INTERFACE
R
CH2 R IN 10
CAPA IN 2 11
BUFF
CH2 OUT R 12
BUFF
CH2 OUT F 13
GND 14
44 43 42 41 40 39 38
S/P
MODE
ATT
FIR1
IIR
FIR2
FIR3
L.I.P
(X8) NOISE SHAPER
CLOCK
GENERATOR
9 10 11 12
– 47 –
28 GND
F
BUFF
27 CH4 OUT F
LEVEL
R
SHIFT
26 CH4 OUT R
BUFF
25 VB IN
24 VS IN
23 VB IN
22 VCC
21 VCC
F
20 CH3 F IN
INTERFACE
R
19 CH3 R IN
18 CAPA IN 3
R F
BUFF
17 CH3 OUT R
F R
BUFF
16 CH3 OUT F
MUTE
15 MUTE
37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
3rd order
21
PLM
20
13 14 15
16 17 18 19
XSEL
20/16
SPLM
DFV 1
DD
DV R
DD
DV R
SS
VSUB(C)R
V 2
DD
V
DD
R1(–)
V
SS
R1(+)
V 2
SS