Sony Jumbotron JME-UA200 Service Manual page 45

UCM-P1 BOARD IC4-6, 10 TC74AC161F
VCC
16 15 14 13
RIPPLE QA QB
CARRY
OUTPUT
CLEAR
CK
A B
1 2 3 4
UCM-P1, P2, P4 BOARDS IC7, 29, 30, 50 TC74AC574F
Q0 Q1 Q2 Q3
20 19 18 17 16
CK CK CK
Q Q Q
D D D
1 2 3 4
OE D0 D1 D2 D3
JME-UA200
12 11 10 9
QC QD ENABLE
T
LOAD
ENABLE
C D
P
5 6 7 8
GND
Q4 Q5 Q6 Q7 CLK
15 14 13 12 11
CK CK CK CK CK
Q Q Q Q Q
D D D D D
5 6 7 8 9 10
D4 D5 D6 D7 GND
UCM UCM
UCM-P1, P2, P4, P5 BOARDS
IC11-14, 25-28, 41-43, 46-49
TC74AC541F
G1 20
1
A1 2
19
A2 3 18
A3 4 17
A4 5 16
A5
6 15
A6
7 14
A7 8 13
A8 12
9
GND 10 11
UCM-P1 BOARD IC18 TC74AC138F
VCC Y0 Y1
16 15 14
Y0 Y1
A
B C
1 2 3
A B C
SELECT
9-3 9-3
VDD
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
DATA OUTPUTS
Y2 Y3 Y4 Y5 Y6
13 12 11 10 9
Y5
Y2 Y3 Y4
Y6
G2A G2B G1 Y7
4 5 6 7 8
G2A G2B G1 Y7 GND
OUTPUT
ENABLE