Sony RM-B150 Maintenance Manual page 39

HCMS-2913 (HP)
C-MOS DOT MATRIX DISPLAY
—TOP VIEW—
26 25 24 22 21 20 19 18
0 1 2 3 4 5
3 7
INPUT OUTPUT
BLANK : BRIGHT CONTROL DATA OUT : SERIAL DATA
CE : CHIP ENABLE
CLOCK : CLOCK
DATA IN : SERIAL DATA
OSC : OSCILLATOR
OSC SEL : OSC SELECT
RESET : CONTROL REGISTER RESET
RS : REGISTER SELECT
DI
CK
17
CLOCK
18 CE
CE
DATA IN
RS
15
RS D Q
CLR
RS
(LATCHED)
24 RST
RESET
PRESCALE
VALUE
H
+B
25 OSC
OSC
L
OSCILLATOR
H
L
21 SEL
OSC SEL
19
BL
BLANK
14
DATA IN DI
CK
CE
RS
RST
OSC
SEL
BL
RM-B150
17 15 14
6 7
10
26
DATA OUT
D0
RS (LATCHED)
H L
L
SER/PAR
H
MODE
H L
DI
40-BIT 40-BIT
CONTROL DATA
S.R.
DO DO
REGISTER OUT
REFRESH CURRENT
CONTROL REFERENCE
ANODE
RST PWM BRIGHT
CONTROL
0
L
COLUMN 0
CHAR 0 CHAR 1
H
BLOCK1
D0
BLOCK2 (SAME AS BLOCK1)
DI DI DI
DOT
40-BIT 40-BIT
REGISTER
S.R. S.R. S.R.
AND
DO DO
LATCHES
CURRENT SOURCES
DOT
REGISTER
BIT 159
ROW 7
ROW 1
19
COLUMN 19
CHAR 2 CHAR 3
IC
5-5