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Adjustment Procedures
5–4
1780R-Series Service Manual
Recommended Equipment List
Table 5–1: Recommended Equipment
Electrical Instrument Performance Requirements Example
Electrical Instruments
1. Test Oscilloscope
Vertical Amplifier Differential Comparator with 30 MHz
bandwidth and 1 mV sensitivity. Dual-
Trace Amplifier with 30 MHz bandwidth
and 5 mV sensitivity.
T
EK
TRONI
X 76
0
3
Os
cillo
s
cop
e
, a
7B53A Dual Time Base, a 7A13 Differen-
tial Comparator, a 7A18A Dual-Trace
Amplifier, a 1X probe (Tektronix P6101A),
d 10 r be Te r 10 A .
Time Base 10 ns/div to 5 ms/div sweep speeds;
triggering to 5 MHz.
an
d
a
10
X p
r
o
be
(
Te
kt
r
onix P6
10
2
A
)
.
2. Television Test Signal Generator Provides color test signals for the
television standard that the 1780R-Series
will use.
Required signals:
Color Bars.
Linearity Staircase
Pulse & Bar, with 2T Pulse, 2T Bar,
and Modulated Pulse.
Multiburst.
Black Burst.
TEKTRONIX NTSC 1410 with Option AA
and Option AB (modified SPG2 and
TSG7), TSG3, TSG5, and TSG6.
TEKTRONIX PAL 1411 with Option AA
and Option AB (modified SPG12 and
TSG11), TSG13, TSG15, and TSG16.
The 1410 and 1411 Option AA are
mainframes with modified SPG2 and
SPG12 Sync Generators with the added
features of: Variable Subcarrier Frequen-
cy; (±20 Hz, ±50 Hz for the 1410),
(±5 Hz, ±10 Hz for the 1411), Variable
Burst amplitude, Variable Sync amplitude,
and SCH unlock.
NOTE: The 1410 Series generators with standard SPG and TSG modules can be used, but this will not allow all checks and
adjustments to be made.
The 1410 and 1411 Option AB are mainframes with modified TSG7 and TSG11 Color Bar Generators that more accurately control
output amplitudes of the standard 75% amplitude bars.
3. Television Generator Provides accurate test signals for
checking and adjusting 1780R-Series
SCH phase and luminance compensa-
tion.
Required signals:
Color Bar.
Black Burst.
Frame Reference (Field 1 Reference).
TEKTRONIX TSG-170A NTSC Television
Generator or TEKTRONIX TSG-271 PAL
Television Generator.
4. Voltmeter (DMM) Range: 0 to 100 VDC; accuracy, ±0.1 %. TEKTRONIX DM501A used in a TEK-
TRONIX TM500 Series Power Module.