Sony CDP-M400CS Service Manual page 44

CDP-M400CS
• IC Block Diagrams
– BD Board –
IC104 TC94A20F-CX4
32 31 30 29 28 27
PO2 33
DIT
PO3
34
Bus
Switch
VDDT
35
36
PO4
37
PO5
38
PO6
39
MP3REQ
VSS 40
IRQ 41
42
VDDM
AMUTE 43
FI1 44
VSSM 45
46
PI0
47
PI1
48 General
VSS
Input Port
49 50 51 52 53 54
CDP-M400CS
26 25 24 23 22 21 20 19 18 17
16
DAC DAC
15
14
13
12
11
10
SubQ Timing
VC0
I/F
Generator
55 56 57 58 59 60 61 62 63 64
– DISP Board –
IC702 M66310FP
24 23
0 0
CK CK
D R D
BCKIB
1 1
CK CK
D R D
SDI1
LRCKIA
BCKIA
D R D
CK CK
1 1
SDIO
D R D
CK CK
0 0
LRCKO
BCKO
1 2
9
SDO
– JOG Board –
IC704 M35500BGP/AFP
8
VDDT
7
/WIACK
6 SCL
DIG16/SEG9
DIG17/SEG8
5 SDA
4 /MILP
3 /MICS
2 MIMD
1 /RESET
44 44
22 21 20 19 18 17
0 0 0 0 0 0
CK CK CK CK CK CK
R D R D R D R D R D R D R
1 1 1 1 1 1
CK CK CK CK CK CK
R D R D R D R D R D R D R
R
R
3 4 5 6 7 8
33 32 31 30 29 28 27 26 25 24 23
34
DIGITAL/SEGMENT DIGITAL
35
OUTPUT CIRCUIT OUTPUT CIRCUIT
SEG7
36 33
SEG6 33 37
SEG5 33 38
DISPLAY CONTROL MODE
33 39
SEG4
CIRCUIT REGISTER
SEG3 40 33
SEG2 41 33
MEMORY
ADDRESS
SEG1 33 42
SEG0 43
DISPLAY
TRANSFER
RAM
COUNTER
COMMAND
ANALYTIC CIRCUIT
NOISE FILTER
SERIAL
I/O
NOISE FILTER
TRIGGER
A-D SELECTOR/A-D
CONVERTER CONTROL CIRCUIT
44
VDD
CLOCK
GENERATOR
1 2 3 4 5
6 7 8 9 10 11
16 15 14 13
0 0 0 0
CK CK CK CK
D R D R D R D R
1 1 1 1
CK CK CK CK
D R D R D R D R
D R D R
CK CK
1 1
D R D R
CK CK
0 0
9 10 11 12
22 DIG4
21
DIG3
20 DIG2
19 DIG1
18 DIG0
17 VEE
VEE
16
15 SCLK
14 SOUT
13 SIN
12 CS