HP 5061A

MANUAL CHANGES MODEL 5061A Page 11
CHANGE 7 (A5 SERIES 1904) OPTIONS 001 OR 003 (Cont ’ d)
A5A4 SWITCH CIRCUIT BOARD ASSEMBLY (05061-6152) SERIES 1904
+4.2V
CW
15
16
2
B
Q
3
CLR
NC
Q
A
^ ync ]
NC
K
16
+4.2V
WHT-BLK
CLOCK COMMON
NC NC NC
8 9 11
7
10
1 6
Figure 3. A5A4 Part No. 05061-6152 (SERIES 1904) Schematic Diagram
$
fi/HT-BLK-YEL
W.HT-BLK-GRN
w ; ht - blk
CLOCK COMMON
12
Figure 4. A5A4 Component Locator Part No. 05061-6152 (SERIES 1904)
R3
10K
R4
15K
IC1
74LS221
VARIABLE DELAY
SCHMITT-TRIGGER
ONE-SHOT
Q1
2N708
R2
2000
TO S2
SYNC
NC
12
\I>
2 3 5
I ---------
I r-
Li
4
a »' ?
s'
B2 ff3
■) ' 6
— NC
WHT-BLK-YEL
WHT-BLK-GRN |
4I -----
Cl*
150 pF
14
]" 0-1 H~- '
I TIME DE LAY ]
R1
13 1000