Sony CMT-HPR90 Service Manual ▷ View online
36
HCD-HPR90
– Placa PRINCIPAL –
IC1204
MM1615ANLE
IC1302
PST3629NR
IC1501
BD3870FS-E2
2
5
VIN
4
VOUT
GND
1
CONT
3
NOISE
DRIVER
THERMAL
SHUTDOWN
BIAS
REFERENCE
+
–
CURRENT
LIMITTER
LIMITTER
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
37
HCD-HPR90
IC1505
MC14052BDTR2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
39
HCD-HPR90
– Placa AMP –
IC701
PCM1803DBR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
VINL 1
VINR 2
VREF1 3
VREF2 4
VCC
AGND
5
6
BYPAS 8
TEST 9
LRCK 10
REFERENCE
× 1/64, × 1/128
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGND
13
DOUT
12
BCK
11
CLOCK & TIMING CONTROL
POWER
SUPPLY
PDWN 7
IC702
NJM2871BF33-TE2
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC703
MC74VHC74DTR2
14
1
2 3
4
5
6
7
13 12 11
10
9
8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
40
HCD-HPR90
IC704
NJM2871BF18-TE2
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC705
CXD9788AR
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
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