+
WARNING
LINE AC AND STORED DC POTENTIALS ARE
PRESENT ON THE INVERTER CIRCUIT
BOARD AND ON THE TRANSFORMER CIR
CUIT BOARD. THE STORED DC REMAINS
LONG. AFTER INSTRUMENT POWER IS
OFF. VERIFY THAT THE LINE CORD IS
DISCONNECTED AND THE LINE STORAGE
CAPACITORS, CI02E AND CI823, ARE
COMPLETELY DISCHARGED BEFORE AT
TEMPTING ANY REPAIRS OR OHMIC
MEASUREMENTS. SEE MAINTENANCE
SECTION (A) FOR TROUBLESHOOTING
INSTRUCTIONS.
R T IB 2 1
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A70
VOLTAGE CONDITIONS
B‘ TIME/DIV-0.1 ms
•A'TIME/DlV-1 ms
HORIZ DISPLAY-ALT
SWEEP MODE-NORM
'A- TRIGGER SOURCE-INT
■A' TRIGGER COUPLING-AC
B’ TRIGGER SOURCE-B RUNS
AFTER DELAY TIME
HORIZ POSITIONING—MIDR
CRI10I
RI90I
3.3 k
CI3°I J j
1.7
mT
Ql'iOZ
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* 5.tic
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> lOOK
LIN E T R IG G E R
SIG TO STOO
P A R TIA L A l3
PO W E R . BO A R D
y
0611
• OOll
Kisa
4V5
SEE PARTS LIST FOR EARLIER
VALUES AND SERIAL NUMBER
RANGES OF PARTS OUTLINED
OR DEPICTED IN BLUE.
Iv R lT IL I 1
[CRI9IZI
0911
9.1*F T-
-0.7 V
A I®
In l in e f il t e r .
BOARD
U5/1S0VAC.
^ SENS GROUND
REV. <3, MAR ,1878
1193-68
t i .
INPUT
V i
INPUT
LIM E
STO P
+ 7 .S V
STOP
t r i 4
OUT
LIME
STOP
T IM E
OUT
MONO
RAM P
iP w S
4 U 0
Cu r r e n t
%ENS
IN P U T
GMD
v o l t a g e
SENS
IN P U T
San a p l ik iG w , w
TI*AC
b a l a n c e
MOOE
i n ' )
1 0
TROUBLE SHOOTING TABLE
AND WAVEFORMS GIVEN IN
MAINTENANCE SECTION (4).
VS CATHODE
SENSE FROM
CH.OZ <£>
H.V. CURRENT
SENS FROM
R2033 /fe,
TP
1951
bAL
SEAM LIMIT
FROM QISAG
<S>
POWER INVERTER
465 OSCILLOSCOPE
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