Sony CDP-CX455 Service Manual page 31

– Main Section –
IC501 (2/2)
SYSTEM CONTROL
50
D0
57
D7
IC504
FLDATA
SRAM
FLCLK
10
66
FLT1
3 .
73 .
11 25
63
13 23
D0 A0 A0
. . 60
.
15 D7 A14 21 A14
. 65
.
19 2
.
49
.
26
.
64
1
Q551
CE 20 47 CE
WE 27 48 WE
39
X1 LEDLAT
X501
16MHz
38 X2
J821
KEY
BOARD
Q571 89 KBDO
85 KBDI FLRST
FLDATAI
FLT2
Q570 45
KBCO
DJOG1
93 KBCI
DJOG2
+5V IC703
REMOTE
3 CONTROL 1 13
RMIN
RECEIVER
TJOG1
TJOG2
+5V
D801
Q572
(INSIDE)
LED
31 LED
DRIVE
KEY0
POWER
Q576
LED
30 SB_LED
DRIVE
D710
RESET
STANDBY
ACIN
ICSW
BUSIN
BUSOUT
FLUORESCENT
INDICATOR TUBE
IC701
FL DRIVER
F1
1 63 DA
40
2 62 SCK DIG1
DIG15 54
44 61 CS
60 RESET
Q701
DIG16 55
5
SEG01
39
SEG35
AD1(36) 4
D701-709,711,
IC702
712,715
LED DRIVER
S714,S721
4 DATA
24
QC
8 CLK
13,
QP
11,
7 RST
12
6
3 LT
IC704
FL DRIVER
13 SIN SEG0
15 CLK SEG8
8 5 RESET
SEG9
100 14 SOUT
SEG14
43 12 CS
RE701 S701-706
84
FUNCTION
AMS 11 AD0
KEY
81
S711-714
FUNCTION
10
AD1
KEY
RE702 S721-726
83
DISC/ FUNCTION
9 AD2
CHARACTER KEY
82
S741-745
FUNCTION
7
AD4
KEY
S761-768 S751-755
FUNCTION FUNCTION
80 6 AD5
KEY KEY
90
34
94
28
16
14
FL701 FL702
FLUORESCENT
INDICATOR TUBE
F2 F1 F2
43
35
34
29
AU VCC
Q941, 942 Q931
Q951, 952 REG
AU VEE
(IC703, 501, 503) +5V
J901
CONTROL A1 II
Q950
J902
31 31
T911
F1
F2
FL701
D913
D911
Q911
VFL RECT
-30V REG
F1
F2
FL702
Q941
VFL
-20V REG
IC910
D921-924
+5V
DVDD (+5V) 3 1
REG
RECT
IC920
D931-934
+7V
+7V
3 1
REG
RECT
IC921
+5V
+5V 3 1
REG
M +B
M -B
T901
IC930 D901-904
MUTE +5V
3 2 RECT
+5V REG
IC931
+5V REG, RESET
5 VOUT
VIN 4
2
RST
D905,906
RECT
Q901
RELAY
DRIVE
CDP-CX455
L991
LINE AC
FILTER IN
RY991