Philips D2999 - Page 6

MAINS PCB
SYNTHESIZER
UNIT
DISPLAY
UNIT
35402807
Fig. 2
K2 (CONNECTOR SOCKET 1/1) TO +4.5V
C serves >
Y . 3
NORMAL FUNCTIONING
IF NOT: uP IS DEFECTIVE
OUTPUT 1010 TO PA.P8.D.E.F.G PORTS
SEE FABLE 1
BLANK DISPLAY
K2 TO MASS Y
OUTPUT 0101 TO PA.PB,D.E.F.G PORTS |
SEE TABLE 1
N K2 TO +4.5V
N OUTPUT 1001 TO D PORT
SEE TABLE 1
DISPLAY ALL SEGMENTS ON LCD- ? 35 B43Ci2
Fig. 3
CS 101 400