Fluke PM3082 Service Manual page 322

I
_ _ _ _ _ _ _ _ _ _ _ _ _ _
BUZZER a R C U IT | ;
01301
'+12V
R1B83
•ftOVREF
^ lOn
+10VR6F
5. 3-10
f
| + 5 V R E F S O U R C E
0.1%
Diagram 2 - Auxiliary circuits
R1026
1006
V1018
8ZX84
C4V3
|
REF NR TYPE
piooe
H g40S 1
01301 i*8 0
♦ 5VREF 01302 1488
OP-77
N1801
R1877
1006
S
| R S 232-C INTERFACE ]
01301
V
T T L / xxxxx
T ^ r
i "
T T L / xxxxx
J. C 1 3
I *
T T L / xxxxx
^
1 "
-SO -5VE + 12V •12V +12VE
18
14
14
UNIT DESCRIPTIONS
i
T "
o
C1307_
J.
•1ZVE C
31831
C1B32, C l 833
ST8279
970428