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R&S ZVB
Board Replacement
1145.1078.82 3.15
E-1
Installing the new front module controller and putting the instrument back
together
Carefully insert the new front module controller on the motherboard and screw into place with 10
sems screws (590).
Caution:
With type FMR6 1091.2520.00, there is a danger of shorting between board components,
tracks and screws (590). Use suitable insulation.
Reconnect the cables to the front module controller, ensuring correct polarity.
Battery
+
LAN 1 LAN 2
Contact side of switching foil (keyboard) up
Connector for rotary pulse generator
C
ont
ro
ller
m
od
u
le
CPU
Connector for display and
converter adapter board
Front Module Controller Typ FMR6
Con
tr
ol
le
r m
odu
le
Fig. 3-3
Location of the edge connectors on the front module controller
¾
Re-insert the front unit into the instrument and secure to the front frame with 4 countersunk screws.
(610).
¾
Fit the following countersunk screws (176) (4), (177) (6), (178) (8).
Caution
Avoid trapping cables and ensure cabling is tidy.
¾
Replace the front cover (300 to 323) and secure with the countersunk screw (390).
¾
Secure the 2 front handles (410) with the 4 screws.
Putting into operation
¾
Connect the mains cable and turn on at the power on switch. The instrument is now in standby mode.
¾
Insert the BIOS disk in the floppy disk drive.
Summary of Contents for ZVB 4
Page 57: ...Instrument Construction and Function Description R S ZVB 1145 1078 82 I 3 2 E 1 ...
Page 133: ...1145 1078 82 5 5 E 1 Spare Parts List Mechanical Drawings ...
Page 142: ...1145 1078 82 5 15 E 1 Block Circuit Diagram ...
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Page 153: ...1145 1078 82 5 17 E 1 Circuit diagrams ...
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