R&S ZVA24, Руководство по обслуживанию

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Repairs R&S ZVA
1177.5333.02 3.44 E-11
Removing the LCD

Disconnect the display cable (945) by cutting through the adhesive label(946).

Remove the display connector (1020) after you have undone the two screws (1040).

Disconnect the display cable (1030) at the display (910).

Remove the display (910) after removing the 4 screws (920)
Installing and putting into operation a new LCD or DC/AC converter

Reinstall the new LCD or new DC/AC converter by reversing the disassembly procedure, refit all
screws and reconnect the cables that have been disconnected (drawing 1145.1390).

When replacing the display (921) or display cable (945), use a new adhesive label (946) to secure
the cabling.

Place the key-side of the front unit on the top of the instrument so that the cables can be connected
to the front module controller.

Carefully connect all cable connectors to the front module controller, ensuring that the polarity is
correct.
Battery
+
LAN 1 LAN 2
Contact side of switching foil (keyboard) up
Connector for rotary pulse generator
C
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tro
lle
r
m
o
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le
CPU
Connector for display and
converter adapter board
Front Module Controller Typ FMR6
C
o
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tro
lle
r
m
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Fig. 3-9 Location of the edge contacts on the front module controller

Reinsert the front unit in the instrument and secure to the front frame with 4 countersunk screws
(610).

Refit the countersunk screws (168) (2 ), (153), (154), (163), (164).
Avoid trapping cables and ensure cabling is tidy.

Replace the front cover (300, 303, 306, 310, 313, 316) and secure with countersunk screw (390).

Refit the 2 front handles (410) using the 4 screws.

Fit the termination and the 3.5mm connection cables (only with option ZVAx-B16).

Connect the mains cable, turn on at the mains switch and press the ON key.