HP 8414A Operating And Service Manual page 104

I75VAC
FROM
MAINFRAME
A3AI CRT ANODE SUPPLY
ASSEMBLY (08414-6004)
REFERENCE DESIGNATIONS
A3
ASSY
CI -9
CRI-7
L I
Q I - 2
R I-14,16-19
21-23
A3AI
ASSY
CI-3
CRI, 2
RI
REFERENCE DESIGNATIONS WITHIN OUTLINED (-)
ASSEMBLIES ARE ABBREVIATED FULL DESIGNATION IN
CLUDES ASSEMBLY NUMBER; e g , R1 OF ASSEMBLY Al
IS A1R1. DESIGNATIONS OF OTHER COMPONENTS ARE
COMPLETE AS SHOWN
DELETED: A3RI5
NOTES
. SEE FIGURE 8-3 FOR GENERAL NOTES,
MEASUREMENT CONDITIONS
2. COMMON TO CHASSIS ONLY WHEN 84I4A
INSTALLED IN MAINFRAME
-HIGH VOLTAGE OSCILLATOR-
I 01
2N3054
MULTIVIBRATOR
Ql, Q2
Q2
' 2N3054
P/0 A3 POWER SUPPLY ASSEMBLY (08414-6003) 2 OF 3
CRT GRID BIAS
(INTENSITY PLUS
BLANKING OR
MARKERS)
FROM AIRI5
R7
R8 6190
196
VOLTAGE
{ DOUBLER
4900V I
P-P I
C3
470pF
RI «
287 K '
C2
470pF .
CR2 4
CRI
Ci
4700p F
WARN IN
HIGH VOLTAl
■CRT GRI
+ I50V POWER SUPPLY-
I A4 J I
20 ' I 20,
DRIVER
SERIES
REGULATOR
/ Q3
2N3738
REFERENCE
AMPLIFIER |
Q2 '
1854-0232
84 I4A - CRT POWER SUPPLY-936