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Post-Repair Procedures ESG Family Signal Generators
Adjustments
6-8 Service Guide
Table 6-5 Adjustments for the ESG-A Series
Adjustment
Repaired/Replaced Assembly
A1 Front Panel Bd
A2 Display
A2DS1 Lamp
A3 Inverter
A4 Power Supply
A9 Output Bd
A11 Reference Bd
A12 Synthesizer Bd
A14 Motherboard
A14BT1 Battery
A15 Daughterboard
A16 Line Module
A19 RPP
A25 Pulse Modulator
AT1 Elec Atten/RPP
AT1 Mech Atten
ABUS ADC Cal • •
Internal Source Cal •••
VCO Bias Adjustment • • •
Lock Angle Adjustment •••
Kv vs Frequency Cal • • •
AM Audio Path Offset ••• •
Timebase DAC Cal • • •
FM Scale DAC Offset Cal • •••
FM Path Offset Cal • • • •
FM In-band DAC Offset Cal • •••
FM Invert Amp Offset Cal • • • •
FM1/2 Path Ratio Gain Cal • •••
Mod Source Relative Gain Cal • • • •
FM Delay Pot Adjustment • •••
Wide BW PM Cal • • • •
DCFM Cal • ••••
Peak Detector Cal • • • •
Burst Modulator Cal •• •
FM Out-of Band Cal • • • •
LF Output Cal •••
Prelevel Cal • • •
VBLO (Mixer Bias Cal) •• •
Gain Adjust • • • • • •
ALC Adjustments •• • • ••
Level Meter Cal • • •
ALC Mod Flatness Cal •• •
ALC Mod Driver Bias Cal • • •
AM Audio Path Gain Cal ••• •
Power Level Accuracy
•
1
•
1
•
1
•
1
1. Perform this test only if you do not have Option 1EM.
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