Troub l eshoo t i ng ( con t ' d )
See
Note 3
R E P L A C E
U36
R E P L A C E
U 4 1
t«lTE 1 : Data
I
i nes a l ternate between
o V and 5 VDC , except l og i c ground
at p i n 1 4 .
t«lTE 2 : Address
I I nes
a
I
ternate between
o V am 5 VDC
t«lTE 3 : These waveforms requ i re storage .
CH E C K FOR
PROPER LOG I C
L EV E L S
SAF E RAM F LOWCHART
See Note 3
F A U LT IS I N
U 1 0
F A U LT IS I N
U 3 , U 4
F A U LT I S I N
U 5
FA U LT IS I N
U l l
3 . MPU BOARD
See Note 3
U 4 1
p i n
1
tOO".
U 4 1
p i n 2
3-79
Summary of Contents for 5000 Plus
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