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Adjustments
5-2
WFM90D and WFM91D Service Manual
Equipment Required
Table 5--2 lists the equipment required to adjust the instrument settings.
Table 5- 2: Equipment required for adjustments
Equipment description Minimum requirements Equipment example
Analog television test signal
generator
75% color bar test signal for the television standard of
themonitortobetested
NTSC: Tektronix TSG100;
PAL: Tektronix TSG111
Serial digital television test
signal generator
Color test signals for the television standard of the
monitor to be tested: color bar signal, pulse and bar;
with 2T pulse, 2T bar, modulated pulse, and line sweep.
TSG601 Handheld Serial Component Signal
Generator
Leveled sine wave generator Output Level Range: --11.55 dBm (200 mV) to 0.43 dBm
(800 mV);
Frequency: 50 kHz to 10 MHz
Tektronix SG503
1
Leveled Sine Wave
Generator
Function generator Range: 0.1 to 5 Vpp when loaded by 75 Ω, 10 Vpp
when unloaded;
Frequency: 50 kHz to 10 MHz.
Tektronix FG503
1
Function Generator
Audio generator Amplitude Range: --10 dBu to 8 dBu;
Frequency: 1 kHz to 50 kHz
Tektronix ASG100 Audio Signal Generator
Voltmeter Range: 0 VDC to >100 VDC;
Accuracy: ᐔ0.1%
Tektronix DM504A
1
Digital Multimeter
Frequency counter Range: 10 Hz to 10 MHz;
Accuracy: ᐔ0.001%
Tektronix DC503A
1
Universal Counter
Video amplitude calibrator
(VAC)
Signal: Adjustabl e square wave 0.0 mVpp to
999.9 mVpp; Resolution: 0.1 mV; Accuracy: 0.05% ;
Frequency: Approximate ly 270 Hz
Tektronix part number 067-0916-00
1
Peak-to-peak detector Input Signal Range: 0.25 Vpp to 1.0 Vpp; Flatness:
ᐔ0.2% 50 kHz to 10 MHz; Input Impedance: 75 Ω
Tektronix part number 015-0408-00 (includes
p-p detector head, 015-0413-00)
1
75 Ω termination One required; feed-through type Tektronix part number 011-0103-02
75 Ω coaxial cable Three cables required, male-to-male BNC connectors Tektronix part number 012-0159-00 (42-inch)
Tektronix part number 012-1339-00 (24-inch)
50 Ω coaxial cable 1% precision, male-to-male BNC connectors Tektronix part number 012-0482-00 (36-inch)
Dual input coupler Matched BNC cable-T for comparing phase between 2
inputs; Length of the 2 arms matches within ᐔ0.1 inch
Tektronix part number 067-0525-02
75 Ω coaxial cable clone 200 meter Faraday Technology SC75A375B--A
Audio cable XLR female to XLR male Switchcraft part number SC3XXJ
50 Ω-to-75 Ω minimum loss
attenuator
Impedance: 50 Ω-to-75 Ω; Tolerance: ᐔ0.5 dB;
Frequency: 100 MHz
Tektronix part number 011-0057-00
BNC female to BNC female
connector
Tektronix part number 103-0028-00
BNC female to dual banana
adapter
Tektronix part number 103-0090-00
1
Requires a Tektronix TM 500-Series or TM 5000-Series Power Module Mainframe.