Sony Walkman PCM-M1, Руководство по обслуживанию

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4-3. IC BLOCK DIAGRAM
15 MCLK
CMODE
LRCK
SCLK
SDTO
SDTI
DIF0
DIF1
TST1
TST2
TST3
DEM0
VA AGND
DEM1
25
12
12
14
13
9
10
20
19
17
5
7 8
VD DGND
21 22
6
3
4
1
2
28
26
AINL+
AINL
LPF
Clock
Divider
LPF
AINR+
AINR
VREFH
VREFL
VCOM
AOUTL
27
24 23 16 17
AOUTR
Modulator
Decimation
Filter
Modulator
8x
Interpolator
Serial I/O
Interface
8x
Interpolator
Modulator
Modulator
Common Voltage
Delimation
Filter
PWAD PWDA
VREF
1 16
15
14
2
PWA
PWR SW
IN A
IN C
IN B
VREF
PRE GND
VREF CONT
RF OUT Beep IN
RF CONT
VCC
OUT B
OUT C
PWR GND
OUT A
MUTE SW
PW SW MT SW
PWC
PWB
3
4 13
5
6
7
8
12
11
10
9
RIPPLE
FILTER
BEEP
10K
3K
3K
10K
10K
1K
300K
OVER HEAT
PROTECT
SW
CIRCUIT
3
4
5
2
1
6
CONT 1
V OUT1
V IN
V OUT2
CONT2
GND
REF
VOL
THERMAL
PROTECT
8
9
10
6
7 5 4 3 2 1
13
12
11 15 16
20
18
19
14
17
P-G
P-G
OUT3N OUT3P VS OUT2 OUT1 VS Vcc IB
VB
V CONT
V REF
S-G
VDD MD0 MD1 MD2 IN1 IN2
BUFFER
BUFFER
BUFFER
MEMORY
MATRIX
512 x 512
ROW
DECODER
I/O GATE
COLUMN
DECODER
I/O
BUFFER
7
6
5
4
3
25
2
26
1
10
9
8
24
21
23
22
27
20
28
14
11
12
13
15
16
17
18
19
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O1
CE
WE
OE
A11
A10
A9
A2
A1
A0
A14
A13
A12
A8
A7
A6
A5
A4
A3
GND
Vcc
20k
25
OP2 M IN GND1
PG A IN
VCC 1
PG CA
PG CF
PG A OUT
PG C IN
PG CP
OP2 P IN
CAP P IN
CAP M IN
CAP A OUT
CAP C IN
R1 IN
R2 IN
GND2
R2 OUT R1 OUT
CAP C OUT
FG C OUT PG C OUT
VCC2
PG CR
OP2 OUT OP1 OUT
OP1 M IN OP1 P IN Vref
FG C IN FG A OUT FG A IN
24 23 22 21 20 19 18
15
14
13
12
11
10
9
16
17
26
27
28
29
30
31
32
1 2 3 4 5 6 7 8
+ –
+ –
+ –
+ –
Vref
200k
CAPSTAN COMPARATOR
REEL
COMPARATOR1
REEL
PG
COMPARATOR
COMPARATOR2
80K
AGC
CLAMP
AMP
PEAK
INTEGRAL
TERMAL
SENSOR
BANDGAP
REFERENCE
6
1
2 5 3
4
V OUT V IN
CONT.
IC304 AK4520-VF-E2
IC307 LA4800V-TLM
IC520 TK70001
IC515 LB8632V
IC507 CXK5V8257BTM-70LL
IC501 MM1138XQ
IC312 TK11225BMCL
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