ACCESS PROCEDURES
Removing the A14 FM PCA 5-17.
WARNING
THE SYNTHESIZER MODULE, WHICH MUST BE RAISED TO GAIN
ACCESS TO THE A14 FM PCA, IS HEAVY. WHEN RAISING OR LOWERING
THE MODULE, OBSERVE THE PROCEDURE DESCRIBED UNDER THE
HEADING "INTRODUCTION AND SAFETY" EARLIER IN SECTION 5.
1. Raise the synthesizer module.
2. Remove the #6 screws holding the top output module cover, and remove the cover.
(The #10 screws are adjustment-access screws and need not be removed).
3. Disconnect the FM-Sum Loop ribbon cable W32 from the A14 FM PCA.
4. Remove the plug-in capacitor C2 between the A12 Sum Loop PCA and the A14
FM
PCA.
5. Remove the #6 screws holding the PCA.
6. Carefully remove the A14 FM PCA.
Removing the A20 Attenuator/RPP Assembly 5-18.
WARNING
THE SYNTHESIZER MODULE, WHICH MUST BE RAISED TO GAIN
ACCESS TO THE A20 ATTENUATOR/RPP ASSEMBLY, IS HEAVY. WHEN
RAISING OR LOWERING THE MODULE, OBSERVE THE PROCEDURE
DESCRIBED UNDER THE HEADING "INTRODUCTION AND SAFETY"
EARLIER IN SECTION 5.
1. Raise the synthesizer module.
2. Disconnect the RF Output cable W1 at the Attenuator.
3. Disconnect the Controller-Relay Driver ribbon cable W19 from A20.
4. Remove the 13 #6 screws holding the Attenuator.
Removing the A22 Delay Cable Assembly 5-19.
WARNING
THE SYNTHESIZER MODULE, WHICH MUST BE RAISED TO GAIN
ACCESS TO THE A22 DELAY CABLE ASSEMBLY, IS HEAVY. WHEN
RAISING OR LOWERING THE MODULE, OBSERVE THE PROCEDURE
DESCRIBED UNDER THE HEADING "INTRODUCTION AND SAFETY"
EARLIER IN SECTION 5.
1. Raise the synthesizer module.
2. Remove the #6 screws holding the bottom synthesizer module cover, and remove
the cover.
3. Remove the plug-in capacitor C1 and resistor Rl which are between the A22 Delay
Cable assembly and the A2 Coarse Loop PCA.
5-8