682XXB/683XXB MM 6-9

REMOVAL AND PCB AND COMPONENTREPLACEMENT PROCEDURES LOCATOR DIAGRAM
J1
J2 J3
J4 J5 J6
J7
J1
J2 J3
J4 J5 J6
J7
J1
J2 J3
J4 J5 J6
J7
J1
J2 J3
J4 J5 J6
J7
Test
Points
Rear Panel
A15
RegulatorPCB
A3
A4
A5
A6
A7
A9
A8
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A3Reference
LoopPCB
A4Coarse
LoopPCB
A5Fine
LoopPCB
A6Pulse
GeneratorPCB
A8Function
GeneratorPCB
A7YIG
LoopPCB
A9PIN
ControlPCB
A10ALC PCB
A11FM PCB
A12Analog
InstructionPCB
A13YIG
DriverPCB
A14SDM/SQM
DriverPCB
A16CPU
InterfacePCB
A17CPU PCB
A18Power
Supply PCB
A19P2
A19Power
ConditionerPCB
A21P2
A21Line Filter/
RectifierPCB
A21-1
BNC/AUXI/0
ConnectorPCB
FanAssy.
2-20GHz
YIGOscillator
Switched
FilterAssy.
DownConverter
Directional
Coupler
20-40GHz
SDM
Step
Attenuator
(Option2)
10MHz Hi-Stab
CrystalOscillator
(Option16)
FrontPanel Assy.
(Containing
A1& A2 PCB's)
RFOutput
Connector

Figure 6-3. Assembly and Component Locator Diagram