Sony CDP-CX455 Service Manual ▷ View online
CDP-CX455
41
41
6-13. Schematic Diagram – JOG Board –
• See page 44 for IC Block Diagrams.
IC B/D
CDP-CX455
42
42
6-14. Printed Wiring Board – Power Section –
Ref. No.
Location
D901
B-2
D902
B-2
D903
B-2
D904
B-2
D905
B-2
D906
B-2
D907
B-1
D911
E-3
D912
E-4
D913
D-4
D921
D-3
D922
D-3
D923
E-3
D924
E-3
D931
D-3
D932
D-3
D933
D-3
D934
D-4
D935
C-3
D991
C-3
IC941
B-2
IC961
B-3
Q901
C-3
Q911
E-4
Q931
C-3
Q941
A-4
Q942
A-4
Q951
B-4
Q952
A-4
• Semiconductor
Location
• See page 29 for Circuit Boards Location.
IC941
IC961
(Page 34)
(Page 34)
(Page 34)
CN902
1-676-829-
1-683-727-
CN901
CN903
1-683-729-
1-683-726-
1-683-725-
1-683-728-
BOARD
1
2
A
B
C
D
E
3
4
5
6
7
8
9
CDP-CX455
43
43
6-15. Schematic Diagram – Power Section –
• See page 45 for IC Block Diagrams.
-13
-12.3
-12.3
-12.3
-12.3
-12.4
-13
-12.4
-12.3
-12.3
-12.3
12.3
1.4
1.3
1.4
-13
-13
1.3
-12.9
1.4
-32.8
0.8
-33.4
12.3
-39.8
1.7
-12.9
-13
-13
(Page 36)
(Page 36)
(Page 35)
2.2k
1
1
2.2k
2.2k
MOTOR SWITCH
US,CND
+5V
GND
VCC
AC IN
RELAY
F1
F2
V.DISP
AU.VEE
GND
GND
AU.VCC
GND
M.VCC
CN902
(2/2)
(2/2)
(1/2)
CN901
CN903
H
I
J
2.2k
2.2k
1k
DOOR SW
LOADING SW
GND
L.MOTOR CONT
L.MOTOR CONT
D.MOTOR CONT
D.MOTOR CONT
T.
MOTOR CONT
T.
MOTOR CONT
-30V REG
4.7k
IC B/D
IC B/D
The components identified by
mark
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
CDP-CX455
44
44
IC104 TC94A20F-CX4 (BD BOARD)
24
0
D
R
CK
23
0
D
R
CK
22
0
D
R
CK
21
0
D
R
CK
20
0
D
R
CK
19
0
D
R
CK
18
0
D
R
CK
17
0
D
R
CK
16
0
D
R
CK
15
0
D
R
CK
14
0
D
R
CK
13
4
5
6
7
8
9
10
11
12
0
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
1
D
R
CK
D
1
R
CK
D
1
0
0
R
CK
D
R
CK
D
R
CK
1
2
3
D
1
R
CK
D
1
0
0
R
CK
D
R
CK
D
R
CK
QC
QD
QE
QF
QG
QH
QI
QJ
QK
QL
QM
QN
QA
QB
VCC
DATA
OE
LT
RST
CLK
GND
SQP
QO
QP
IC702 M66310FP (DISP BOARD)
IC704 M35500BGP (JOG BOARD)
33
34
35
33
33
33
33
33
33
33
43
44
2
1
3
4
36
37
38
39
40
41
42
32 31 30 29 28 27 26
25 24 23
22
21
20
19
18
17
16
15
14
13
12
DIGITAL/SEGMENT
OUTPUT CIRCUIT
DISPLAY CONTROL
CIRCUIT
DISPLAY
RAM
MEMORY
ADDRESS
TRIGGER
SERIAL
I/O
TRANSFER
COUNTER
MODE
REGISTER
DIG4
DIG5
DIG6
DIG7
DIG8/SEG17
DIG9/SEG16
DIG10/SEG15
DIG11/SEG14
DIG12/SEG13
DIG13/SEG12
DIG14/SEG11
DIG15/SEG10
DIG3
DIG2
DIG2
DIG1
DIG0
VEE
VEE
SCLK
SOUT
SIN
SOUT
SIN
CS
DIGITAL
OUTPUT CIRCUIT
COMMAND
ANALYTIC CIRCUIT
A-D
CONVERTER
CLOCK
GENERATOR
NOISE FILTER
NOISE FILTER
6 7 8 9 10 11
DIG16/SEG9
DIG17/SEG8
DIG17/SEG8
SEG7
SEG6
SEG5
SEG5
SEG4
SEG3
SEG2
SEG2
SEG1
SEG0
SEG0
VDD
VDD
XOUT
VSS
XIN
5
RESET
AN5
AN4
AN3
AN2
AN1
AN0
SELECTOR/A-D
CONTROL CIRCUIT
33
34
35
36
37
38
39
40
41
42
1
8
43
61
62
63
64
60
59
56
52
50
47
46
45
44
48
49
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
9
10
11
2
3
4
5
6
7
58
57
55
53
51
12
13
14
15
16
54
PO2
PO3
VDDT
PO1
PO0
DOUT
TESTP
VSSR
DIT
DAC
DAC
Bus
Switch
PO4
PO5
PO6
MP3REQ
Gener
al
Output P
o
rt
Address Calc.
2sets
Y-
P
ointer
register
C-P
ointer
register
X-P
ointer
register
VSS
IRQ
VDDM
AMUTE
FI1
Fiag
ERAM
2k w
ord
CR
OM
4k w
ord
*7
YRAM
4k w
ord
XRAM
4k w
ors
Timer
Interr
upt
Control
DRAM I/F
I-Bus
SRAM I/F
1Mbit
SRAM
X-Bus
Y
-Bus
PI0
PI1
VSS
VSSM
General
Input Port
SubQ
I/F
VC0
Timing
Generator
PRAM
256 w
ord
PR
OM
1k *3
=12k w
ord
10bit
Instr
uction
Decoder
Prog
ra
m
Control
Microcom.
I/F
register
XO • X1 • X2
Y0 •
Y1 •
Y2
MX
MY
MZ
MA
C
A0
A1
AX
A
Y
ALU
A2
A3
round & limit
round & limit
A
udio I/F
BCKIB
SDI1
LRCKIA
BCKIA
SDIO
LRCKO
BCKO
SDO
VDDT
/WIACK
SCL
SDA
/MILP
/MICS
MIMD
/RESET
PI2
PI3
PI4/CLCK
VDD
PI5/D
A
T
A
TSTIN/SFSY
FI2/SBSY
VSSP
PDO
VCOI
VDDX
VSSX
CK
O
VDDP
XI
XO
VRAR
RO
VD
AR
VD
AL
LO
VRAL
VSSL
VSS
ST
ANDBY
VDD
LRCKIB
6-16. IC Block Diagrams
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