HP 8414A Operating And Service Manual page 100

P/0 A3 ASSEMBLY (08414-6003) I OF 3
EMITTER
FOLLOWER
Q7
1854-0232
Q6
1854-0232
-rO
CR5
~Ai
INTENSITY
.o
'CW
IRRENT
)URCE
Q5
4-0071
R3A
5000
RI4
26.IK
R20
50K
^-+ 150V
+ I50V
CW
*
Section VIII
Service
INTENSITY
LIMIT
I I
I I
I I
<!
AIXA3
RI3
3.83K
RI5
51.IK
I, CRT GRID BIAS (INTENSITY BIAS PLUS
(e) 8LANKING OR MARKER PULSES)
j\
TO CRT GRID VOLTAGE SUPPLY
REFERENCE DESIGNATIONS WITHIN OUTLINED (-)
ASSEMBLIES ARE ABBREVIATED. FULL DESIGNATION IN¬
CLUDES ASSEMBLY NUMBER; «.g., R1 OF ASSEMBLY A1
IS A1R1. DESIGNATIONS OF OTHER COMPONENTS ARE
COMPLETE AS SHOWN
LI
5ljiH
AUTO BEAM CENTER
A4JI
I
-20 V
FROM MAINFRAME
FROM
MAINFRAME
MANUAL BEAM
ft
CENTERING VERT.
' m
ZERO ADJ.
NOTES
1. SEE FIGURE 8-3 FOR GENERAL NOTES, MEASUREMENT CONDITIONS
2. INSTALLED IN H-26 84I4A ONLY
3. CONNECTED IN STANDARD 84I4A ONLY
4. CIRCUITRY IN SHADED AREA USED IN H-26 84I4A ONLY
REFERENCE DESIGNATIONS
NO A1
A2 A3 A4
PREFIX ASSY ASSY ASSY ASSY
Jl, 2 Cl, 2 PI R20 Jl
R3A
CRI-8 PI
P3 K 1
SI LI
Ql-11
RI-15,
22-41
CORRECTED DISPLAY
ENABLE
CORR. VERT IN
CORR. HORIZ. IN
HORIZ. OUT
>
MAINFRAME
3
Figure 8-18. Intensity Modulator, Schematic
Diagram
8-17