6) When the digital clock does not operate properly.
8
D12
D11
9
POINT
A
B
C
If clock does not keep exact time, you must check Diode D10, transistor Q8.
R27
D10
D13
A
D14
0V
-5V
C8
C6
R26
R24
B
WAVEFORM
T
44
R23
Q8
C4
44
R21
C
MICOM
-5V
T: 20 ms(50Hz)
