HP 8340A Service Manual page 115

INTRODUCTION
List of Assemblies Covered
THEORY OF OPERATION
20-30 Loop - Overall Description
20-30 Loop - Simplified Block Diagram
PLL2 Loop Description
PLL3 Loop Description
PLL 1 Loop Description
TROUBLESHOOTING TO ASSEMBLY LEVEL
20-30 Loop - Troubleshooting Block Diagram
REPAIR PROCEDURES
INDIVIDUAL ASSEMBLY SERVICE SECTIONS
A36 PLL1 VCO
A37 PLL 1 Divider
A38 PLL1 IF
A39 PLL3 Upconverter
A40 PLL2 VCO
A41 PLL2 Phase Detector
A42 PLL2 Divider
A43 PLL2 Dliscriminator
20-30 LOOP MAJOR ASSEMBLIES LOCATION DIAGRAM
20-30 LOOPS
Scans by HB9HCA and HB9FSX
C