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2213 Service
TA BLE O F CO N T EN TS
Page
L IST OF I LLUST RATIO NS . . . . . . . . . . . . . . . . . iv
LIST O F TA BLES . . . . . . . . . . . . . . . . . . . . . . . . ν
OPERATO RS SA FE TY SUMMAR Y . . . . . . . . . . . . vi
S ERV ICING SA FE TY SUMMARY . . . . . . . . . . . . . vii
S E CTIO N 1 S PE CI F ICATION
I
NTROD UCTIO N . . . . . . . . . . . . . 1-1
ACCESSO R I ES. . . . . . . . . . . . . . . 1-1
PERF O RM ANCE CO N DITION S . . . 1-1
SECTIO N 2 OPERATING I NST RU CTIO NS
PREP A R ATIO N F O R U S E . . . . . . .
SA FE TY . . . . . . . . . . . . . . . . .
L I NE VO LTAGE . . . . . . . . . . .
P OWER CO R D . . . . . . . . . . . . .
L I NE FU SE . . . . . . . . . . . . . . .
CO NTRO LS, CO NNECTORS,
AN D I N DICATO RS. . . . . . . . . . . .
P OWER, DISPL AY, AN D
PR OBE ADJU ST . . . . . . . . . . . .
VERTICA L . . . . . . . . . . . . . . .
H O R IZO NTA L . . . . . . . . . . . . .
TR IGG ER . . . . . . . . . . . . . . . .
RE AR PANEL . . . . . . . . . . . . .
OPERATI NG CO NSIDER ATIO N S . .
G RATIC ULE . . . . . . . . . . . . . .
G ROUN DI NG . . . . . . . . . . . . .
SIGNAL CO NNE CTIO N S . . . . . .
I NPUT CO UPL I N G CA PACITOR
PRE CH A RGI NG . . . . . . . . . . . .
I N ST RUMENT COO L I NG . . . . .
OSCI LL OSCO PE DISPL AYS. . . . . .
NTROD U CTIO N . . . . . . . . . . .
BAS EL I NE T R AC E . .. . . . . . . . .
SIG N AL DISPLAY . . . . . . . . . .
M AG N I F IED-SWEEP DISPLAY . .
DEL AYE D-SWEEP DISPL AY . . .
Χ-Υ DISPLAY . . . . . . . . . . . . .
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2-1
2-1
2-1
2-1
2-1
. . 2-3
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2-3
2-3
2-5
2-5
2-7
2-8
2-8
2-8
2-8
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2-8
2-9
2-9
2-9
2-9
2-9
2-10
2-10
2-10
TV SIGNAL DISPLAYS . . . . . . . . . . . 2-11
REV NOV 1981
Page
SE CTIO N 3 THE ORY O F OPERATIO N
I
NTROD UCTIO N . . . . . . . . . . . . .
G ENER AL DESC R I PTION . . . . . . .
D E TAI LE D CI RCUIT
DE SC R I PTION . . . . . . . . . . . . . . .
VERTICAL ATTENUATO RS . . .
In p ut Co u p ling . . . . . . . . . . .
H ig h-Ζ Attenuato r . . . . . . . . .
B uffer Amplifier a n d Low-Ζ
Atte nuator . . . . . . . . . . . . . .
Volts/Div Var Circuit and
X1/X10 Amplifier . . . . . . . . .
VERTICA L PREAMPS. . . . . . . .
Chan nel 1 Vertical P ream plifier
Channel 2 Vertical P reamplifier
Internal Trigger P ickoff
Amplifier. . . . . . . . . . . . . . .
CHANNEL SW ITCH AN D
VERTICA L O UTPU T . . . . . . . .
Diode Gates . . . . . . . . . . . . .
Delay L ine Driver . . . . . . . . .
Delay L ine . . . . . . . . . . . . . .
Vertical Out p ut Am plifier . . . .
Chan nel Switch ing L ogic
Circuit. . . . . . . . . . . . . . . . .
Internal Trigger Switch ing
L ogic . . . . . . . . . . . . . . . . .
T R IGGER . . . . . . . . . . . . . . . .
Internal Trigger Am p lifier . . . .
Trigger Source-Switc hing
Circuit. . . . . . . . . . . . . . . . .
External Trigger Amplifier . . .
A uto Trigger Circuit . . . . . . . .
Trigger Level Comparator . . . .
Inverting Am plifier an d
TV T rigger Circuit . . . . . . . . .
Sc h mitt T rigger Circ u it . . . . . .
Au to B aseline Circuit . . . . . . .
SWEEP G ENER ATOR AN D
L OGIC . . . . . . . . . . . . . . . . . .
Miller Swee p Ge nerator . . . . .
Sweep L ogic . . . . . . . . . . . . .
Delay Circuit . . . . . . . . . . . .
. . 3-1
. . 3-2
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3-4
3-4
3-4
3-4
. . 3-5
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3-6
3-6
3-6
3-6
. . 3-7
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3-7
3-7
3-8
3-9
3-9
. . 3-9
. . 3-10
. . 3-12
. . 3-13
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3-13
3-13
3-13
3-14
. . 3-14
. . 3-15
. . 3-15
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3-15
3-15
3-16
3-18