AFP Imaging Mini-Medical Series, Installation, Operation & Service Parts Manual

Page: 87 / 132

Service
Mini Med Series 0000061122
11. Pin 11 of I.C. U6 on Logic Board = 0VDC
550ms
Note: Same as #10, but
inverted. Duty cycle = 88%
Pulse present only while
Reset Pushbutton is
depressed.
0V
9.5V
12. Pin 17 of I.C. U7 on Logic Board = Same as #11 only while
Reset Pushbutton is depressed. 5 second duration
13. Pin 14 of I.C. U7 on Logic Board = Same as #10
14. Pin 10 of I.C. U6 on Logic Board = Same as #'s 11&12
15. Pin 8 of I.C. U6 on Logic Board
10V
5V
8.25V
4.7 Sec
10V
572 ms
36 ms
16. Pin 13 of I.C. U6 on Logic Board
1V
11.88V
41 Sec
Ready Tone Generator Board
Middle pin of J13 = Low (Gnd)
when no film is present
= High (12V)
when film is present
Middle pin of J12 = Low (Gnd)
when no film is present
= High (12V)
when film is present
Output of either Q1 or Q2 = 12V
when either input goes high
Pin 5 of I.C. U1 = Output of Q1
or Q2 Inverted.
Pin 6 of I.C U2 = high (12V) normally
Low pulse when film exits
12V
0V
35 ms
Waveforms & Voltages
(Cont'd)
5-21