Ns Timing - Tektronix 2246 1Y Service Manual

ATTENUATOR
COMPENSATION
ADJUSTMENTS
CHANNEL 1
C l— MF/LF COMP
CIO— INPUT COMP X I00
C l 1— INPUT COMP X I0
C l 14— INPUT CAPACITANCE
R12— STEP BALANCE
R13— MF/LF GAIN
CHANNEL 2
C2— MF/LF COMP
C20— INPUT COMP X100
C21— INPUT COMP X10
C124— INPUT CAPACITANCE
R22— STEP BALANCE
R23— MF/LF GAIN
CHANNEL 3
C l34— MF/LF COMP
C l 38— HF COMP
R141— STEP BALANCE
CHANNEL 4
C l54— MF/LF COMP
C l58— HF COMP
R161— STEP BALANCE
R920
VOLTS CAL
TEST POINT
R921
PIN 6
DELAY LINE
HF COMP
R231 R241
CH 3 GAIN CH 4 GAIN R275 C274 C273 R272
R260 R211 C314 R826
HORIZ IX
READOUT CH 1 A 20 nS
GAIN TIMING GAIN
VERTICAL
CENTERING (TIMING)
Figure 9-14. A10— Main board adjustment locations.
R455
R273 B TRIG BANDWIDTH
R827 R703 R825
R823
READOUT X GAIN VERTICAL HORIZ X10
OUTPUT GAIN (TIMING)
HORIZ
GAIN GAIN
2246 1Y and 2246 Mod A Service
J1204
POWER SUPPLY
TEST POINTS
C807

2 nS TIMING

C2704
Z-AXIS RESPONSE
R2788
ASTIGMATISM
TEST POINT
R2718
R2784
GEOMETRY
R2719
GRID BIAS
R809
MAG REGISTRATION
C814
2 nS TIMING
(6555-48)7062-13
R724
READOUT
JITTER