Section 2 Preparation For Use; Safety; Line Voltage Selection; Line Fuse - Tektronix 2432 Service Manual

Section 2-2432 Service
PREPARATION FOR USE
SAFETY
This section tells how to prepare for and proceed with
the initial start-up of the TEKTRONIX 2432
Digital Oscilloscope.
Refer to the Operators and Servicing Safety Summaries
at the front of this manual for power source, grounding,
and other safety considerations pertaining to the use of
the instrument. Before connecting the oscilloscope to a
power source, read both this section and the Safety
Summaries.
This instrument may be damaged if operated with
the LINE VOLTAGE SELECTOR switch set for the
wrong applied ac input-source voltage or if the
wrong line fuse is installed.
LINE VOLTAGE SELECTION
The scope operates from either a 115 V or 230 V
nominal ac power-input source having a line frequency
ranging from 48 Hz to 440 Hz. Before connecting the
power cord to a power-input source, verify that the LINE
VOLTAGE SELECTOR switch, located on the rear panel
(see Figure 2-1 ), is set for the correct nominal ac input-
source voltage. To convert the instrument for operation
from one line-voltage range to the other, move the LINE
VOLTAGE SELECTOR switch to the correct nominal ac
source-voltage setting (see Table 2-1). The detachable
power cord may have to be changed to match the particu-
lar power -source outlet.
LINE FUSE
To verify the proper value of the instrument's power-
input fuse, perform the following procedure:
1 . Press in the fuse-holder cap and release it with a
slight counterclockwise rotation.
2. Pull the cap (with the attached fuse inside) out of
the fuse holder.
3. Verify proper fuse value (see Table 2-1).
4. Install the proper fuse and reinstall the fuse-holder
cap.
NOTE
A 4 A, 250 V, 5 x 20 mm Time-lag (T) fuse may be
substituted for the factory-installed fuse. However,
the two types of fuses are NOT directly interchange-
able; each requires a different type of fuse cap.
POWER CORD
RECEPTACLE
\
\
GPIB
1
IEH STD .t88 PORT
SEQUENCE SEQUENCE STEP
AH l 1 ~ l 3 SR l Al I PPO OC 1 OTO CO E 2
IN OUT COMPLETE
11\L TH"'\..
TTL'-.
~~
v~
~ ~
~
~
\
WOAD
CAUTION
RECOG OUTPUT
(0
TTL"'\..
'WOIO ELECTRIC SHOCK THE POWER CORD ~
TECTIVE GROUNDING CONDUCTOR MUST
0
:ONNECHD TO GROUND.
'IIOT REMOVE COVERS REFER SERVICING
JUALIFIEO PERSONNEL
:ONNlCT INPUT POWER BEFORE REPLACING
P6407
E T() REMDWl POWER
WORD RECOG INPUl
CORO DISCONNECT
CONTINUED FIRE PROTECTION REPLACE
(@
PUJG AND ROTATE @
Y WITH SPECIFIED TYPE ANO RATED FUSE
c::::'
RETAINER CllP 90°
L~~}16~Gt
I
RANGE
I
u;19;"_6j~~~1 I~ 2~~~2;50~
I
LINE VOLTAGE
2
1
;~~ 1
!~ ~
3
5
2
;v 5A FAST
I
4 A n ¼ I SELECTOR
I
PROBE
WER MAX WATTS 2 00 FREQ 48 440H1
[]I!]
fQA LABORATORY USE
®
MAX VA 300 BY CERTIFIED
I
Tl.IS INSTRUMENT MAY BE PROTECTED LISTED ELECTR~L l & PERSONNEL ~(II
BYONEORMOREUSOA~OREIGN ®EUCTRON
PATENTS OR PATUH APPtlCAIIONS
L
MEASllRIN, POUR EMPlOI PAA
IN,OAMAIION PROVIDED ON REOUESI " & TESTING L[ PERSONNEL 01
l~ll EOUIPMENT LA80RATOIRE
<TRONIX INC BEAVERTON OREGON US
I
\
I
\
LINE FUSE
LINE SELECTOR
SWITCH
(4918-02) 6330-72
Figure 2-1. LINE VOLTAGE SELECTOR, line fuse, and power
cord receptacle.
2-1