Sony MDS-JB920 Service Manual page 56

– MAIN Board –
IC100 CXD8607N
INRP 1 +
MODULATOR
INRM 2
–
REFI 3
AVDD 4
AVSS 5
DECIMATION
APD 6
NU 7
NU 8
TEST1 9
LRCK1 10
BCK1 11
ADDT 12
V35A 13
VSS1 (LF) 14
MCKI 15
DPD 16
VSS2(LF) 17
INIT 18
MODE 19
CPU
SHIFT 20
INTERFACE
LATCH 21
256CK 22
V35D 23
VSS2 24
512CK 25
BCK2 26
DADT 27
LRCK2 28
IC101 CXA8054M
20 19 18 17
–
+
+
–
1 2 3 4
MODULATOR
DECIMATION
FILTER FILTER
REFERENCE
LOW CUT LOW CUT
FILTER FILTER
I/O
OVER
MOIZE
SAMP
ATT
SHAPER
FILTER
I/O
OVER
NOIZE
SAMP
ATT
SHAPER
FILTER
16 15 14 13 12
–
+
+
–
5 6 7 8 9
+ 56 INLP
55 INLM
–
54 REFO
53 LVSS
52 LVDD
51 AVSS(LF)
VOLTAGE
50 NU
49 NU
48 VSS1(LF)
47 TEST3
46 TEST2
45 VSS1
44 VDD1
43 VDD1
42 VDD2
41 L1
PLM
40 AVDDL
39 L2
38 AVSSL
37 XVSS
36 XIN
35 XOUT
34 XVDD
33 AVSSR
32 R2
31 AVDDR
PLM
30 R1
29 VDD2
IC203, 204 CXA8042AS
11
1
I01+
2
I02–
3
NC
4
I01–
5
I02+
NC 6
VCC2 7
8
C2
C1 9
10
VCC1
VREF 11
10
VCNT 12
13
GND1
RIREF 14
– 72 –
SWITCHING
CIRCUIT
CONSTANT
REFERENCE
CURRENT
VOLTAGE
CIRCUIT
CIRCUIT
CONTROL
CIRCUIT
28 IN2–
27 IN2+
26 NC
25
IN1+
24 IN1–
NC
23
22 C4
21 C3
GND2
20
19 VEE2
18 VEE1
17 C6
16 C5
15 CIREF