Sony MDS-PC1, Service Manual

Page: 58 / 79

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ADDRESS
DECODER
HIGH VOLTAGE
GENERATION CIRCUIT
VOLTAGE
DET
7BIT
7BIT
8BIT
DATA
RESISTOR
SLAVE WORD
ADDRESS RESISTOR
CONTROL CIRCUIT
START STOP
ACK
1024 BIT EEPROM ARRAY
A0
A1
A2
GND
V
CC
TEST
SCL
SDA
1
3
2
4
8
6
7
5
• MAIN section
IC101 LA9615
IC192 L88MS33T-TL
1 2 3 4 5
START UP
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMP
VIN STB GND CN VOUT
ON/OFF
CONTROL
CURRENT
LIMITER
PROTECTOR
–
+
1
2
3
4
5
6
7
8
9
31
30
29
28
27
26
25
24
23
13.2k
2.35k
2.35k
13.2k 13.2k
V
CC
10
11
12
13
22
21
20
19
36
35
34
33
32
16
17
18
14
15
–
+
–
+
–
+
–
+
+
–
–
+
–
+
+
–
+
–
V
EE
LINE02
PMUTE
LINE01
MUTE
LINE/MIC
+D/A1
+D/A1
+D/AO1
LP1N1
LPOUT1
GND1
LPOUT2
LPIN2
D/AO2
–D/A2
+D/A2
V
CC
V
DD
–
+
LINE1
V
EE
MIC1
SW01
SWI1
–A/D1
INV1
+A/D1
A/DREF
VREF
+A/D2
INV2
–A/D2
SWI2
SWO2
MIC2
GND2
LINE2
IC201 CXD8607N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
INRP
INRM
REFI
AVDD
AVSS
APD
NU
NU
TEST1
LRCK1
BCK1
ADDT
V35A
VSS1 (LF)
MCKI
DPD
VSS2(LF)
INIT
MODE
SHIFT
LATCH
256CK
V35D
VSS2
512CK
BCK2
DADT
LRCK2
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
INLP
INLM
REFO
LVSS
LVDD
AVSS(LF)
NU
NU
VSS1(LF)
TEST3
TEST2
VSS1
VDD1
VDD1
VDD2
L1
AVDDL
L2
AVSSL
XVSS
XIN
XOUT
XVDD
AVSSR
R2
AVDDR
R1
VDD2
MODULATOR MODULATOR
DECIMATION
FILTER
DECIMATION
FILTER
LOW CUT
FILTER
LOW CUT
FILTER
VOLTAGE
REFERENCE
I/O
I/O
ATT PLM
OVER
SAMP
FILTER
MOIZE
SHAPER
CPU
INTERFACE
+
–
+
–
ATT PLM
OVER
SAMP
FILTER
NOIZE
SHAPER
IC171 BR24C01AF