Sony FWD-50PX1 (English: pgs. 52-97), Service Manual

Page: 92 / 112

8-12
FWD-50PX1
8-12
B B
B (4/8) TC74VHC541FT (IC1010)
B (4/8) TC74VHCT541AFT (IC1011)
1
2
3
4
5
6
7
16
17
18
19
20
15
14
13
12
11
8
9
10
A1
G1
A2
A3
A4
GND
A6
A7
A8
A5
VDD
G2
Y3
Y1
Y2
Y5
Y4
Y6
Y7
Y8
B (4/8) TC74VHCT14AFT (IC1012)
GND
V
DD
1 2 3 4 5 6 7
14 13 12 11 10 9 8
B (7/8) SN74LV4053APWR (IC405)
1
2
3
4
5
6
7
8
11
10
9
16
15
14
12
X1
X0
Y1
YC
Y0
EN
V
EE
GND
V
DD
XC
ZC
Z0
13 Z1
AZ
AX
AY
OPEN
OPEN
OPEN
B (3/8), (6/8) TC4W53FU (IC208, IC209, IC3)
8 7 6 5
1 2 3 4
VCC CH1 CH0 ADR
COM INH VEE VSS
B (8/8) SN74LV123APWR (IC604)
16
1
15 14 13 12
VCC 1 REXT/CEXT CEXT 1 1 Q 2Q 2 CLR 2B 2A
1A 1B
1 CLR
1Q 2Q
CEXT 2
2 REXT/CEXT
GND
11 10 9
2 3 4 5 6 7 8
CLR
Q
Q
CLR
Q
Q
B (3/8) SI-3025LSA (IC201, IC202)
IN (MIC)
VC
+
_
TSD
VOUT
IN (PTR)
GND
3
7,8
5,6
1
4
B (4/8) SN74CBTD3306 (IC1019)
10E 1 8 VCC
1A 2
1B 3
GND 4 6 2B
5 2A
7 2OE
V
DD 2
V
SS
CD
4
5
OUT 1
V
REF
DELAY
B (4/8) S-80828CNNB-B8NT2G (IC1005)
B (4/8) S-80842CNNB-B83T2G (IC1020)
B (4/8) RS5C348A (IC1003)
32kHz
OUTPUT
CONTROL
OSC
DIVIDER
CORRECTION
DIV
OSC
DETECT
COMPARATOR_W
COMPARATOR_D
ALARM_W REGISTER
(WEEK, MIN, HOUR)
ALARM_W REGISTER
(MIN, HOUR)
VOLTAGE
DETECT
TIME COUNTER
(SEC, MIN, HOUR, WEEK, DAY, MONTH, YEAR)
I/O
CONTROL
ADDRESS
REGISTER
SHIFT REGISTER
ADDRESS
DECODER
INTERRUPT CONTROL
1
9
8
6
7
3
4
2
5
10 V
DD
V
SS
SCLK
SI
SO
CE
/INTR
OSCOUT
OSCIN
32KOUT