Keysight Technologies ENA Series Guida rapida
ADMINISTRATIVE INFORMATION
SERVICE NOTE CLASSIFICATION: INFORMATION ONLY
[[]] Calibration Required
X Calibration NOT Required Calibration NOT Required
PRODUCT LINE: WN
AUTHOR: LS
ADDITIONAL INFORMATION: This service note communicates the support parts strategy for E5071C LCD Touch Panel
display assembly.
© Keysight Technologies 2014
Printed in U.S.A
October 24, 2014
Rev. 1
Page 1 of 22
E5071C-31A
S E R V I C E N O T E
Supersedes:
E5071C-31
E5071C - ENA Series Network Analyzer, 9 kHz to 20 GHz
Serial Numbers: MY46100000-MY46199999, MY46200000-MY46299999, MY46300000-
MY46399999, SG46100000-SG46199999, SG46200000-SG46299999, SG46300000-SG46399999
E5071C LCD Touch Panel Display Assembly Replacement Part Change
Parts Required:
P/N Description Qty.
For E5071C Opt 240 to 485 –(Up to 8.5 GHz range)
For E5071C Opt 2D5 to 4K5 –(Up to 20 GHz range)
Page 2 of 22 E5071C-31A
For E5071C Opt 240 to 485 –Up to 8.5 GHz range
Situation:
For E5071C (serial prefix of MY461, MY462 and MY463), due to the part discontinuance by LCD
display manufacturer, the E5070-60112 LCD-Touch Panel Assembly (with LCD Display with CCFL
backlight) is no longer supplied.
The replacing part would be an LCD Touch Panel Display Assembly with LED backlight. In ensuring
hardware compatibilities, there would be a list of associated parts required to be replaced whenever the
LCD T/P assembly (LCD Display with CCFL backlight) is defective.
Solution/Action (For E5071C Opt 240 to 485 –Up to 8.5 GHz range)
LCD Removal
Refer to E5071C Service Guide (Chapter 6- Replacement Procedure LCD Replacement) for the
step-by-step procedure.
Front Panel Keyboard Removal
Refer to E5071C Service Guide (Chapter 6- Replacement Procedure Front Panel Keyboard
Replacement) for the detailed procedure.
Probe Power and Power Switch Board Removal
Refer to E5071C Service Guide (Chapter 6 Probe Power and Power Switch Board Replacement
(A56) for detailed instructions.
Note: Kindly take note to keep the original parts as some of the assemblies are reusable and
replacement is not necessary.
Page 3 of 22 E5071C-31A
For defective LCD T/P Assembly E5070-60112
In summary, whenever LCD T/P E5070-60112 is identified defective, replace the following parts
altogether as they are mutually dependent:
1. LCD T/P assembly (with LED backlight display),
2. Inverter
3. Front Panel (label, panel sub, shield)
4. Cable assemblies,
5. Screws etc.
In this case, apart from replacing the LCD T/P assembly with the replacement part, the inverter is
required to be replaced in ensuring the compatibility with the new LCD T/P assembly (with LED
backlight). Front panel needs to be replaced as the dimension and the new LCD T/P assembly screw
size and location differs on the new LCD T/P display assembly (with LED backlight). Refer to table 1-
1 for details.
For other failures (other than LCD T/P assembly E5070-60112)
If the defective part does not include LCD Touch Panel Assembly, proceed to replace the individual
defective parts directly as usual. For instances, if the inverter 0950-4420 is found to be defective,
replace the inverter alone will be sufficient. Similar applies to Touch Panel controller. Those parts are
continuously supported and supplied until further notice. Refer to service guide for detailed
instructions.
Page 4 of 22 E5071C-31A
Table 1-1 Defective LCD T/P Assemblies - Support part strategy.
Table 1-1 depicts the support PN replacement strategy and their dependencies.
Identified
Defective
Part
Types
Current
PN
Description
Qty.
New PN
Description
Qty.
Remarks
Inverter
(0950-4420)
Assemblies,
Modules
0950-
4420
Inverter
1
0950-
5396
Inverter
1
Direct
replacement
Touch
Panel
Controller
(5183-4184)
Assemblies,
Modules
5183-
4184
Touch Panel
Controller
1
5183-
4184
Touch Panel
Controller
1
Direct
Replacement
LCD Touch
Panel
Assembly
(E5070-
60112)
Assemblies,
Modules
E5070-
60112
LCD Touch
Panel
Assembly
1
E5070-
60113
LCD Touch
Panel Assembly
(With LED
backlight)
1
Replace set
E5071-
00222
Panel Sub
1
E5071-
00262
Panel Sub
1
Replace set
E5071-
00621
Cover Shield
1
E5071-
00633
Cover Shield
1
Replace set
0950-
4420
Inverter
1
0950-
5396
Inverter
1
Replace set
E5071-
01211
Inverter
Bracket
1
E5071-
01241
Inverter Bracket
1
Replace set
E5071-
00252
(Opt 2xx)
Front Panel
1
E5071-
00252
(Opt 2xx)
Front Panel
1
Common
E5070-
00273
(Opt 2D5,
2K5)
E5070-
00273
(Opt
2D5,
2K5)
E5071-
00254
(Opt 4xx)
E5071-
00254
(Opt 4xx)
E5070-
00271
(Opt 4D5,
4K5)
E5070-
00271
(Opt
4D5,
4K5)
Page 5 of 22 E5071C-31A
[Refer to
service
guide
page 190]
Label
(Frequency
label)
1
[Refer to
service
guide
page 190]
Label
(Frequency
label)
1
Common
5183-
4184
Touch Panel
Controller
1
5183-
4184
Touch Panel
Controller
1
Common
E5071-
01238
Touch Panel
Controller
Bracket
1
E5071-
01238
Touch Panel
Controller
Bracket
1
Common
E5070-
66656
PCA Probe
Power
1
E5070-
66656
PCA Probe
Power
1
Common
E5070-
66655
PCA Front
USB
1
E5070-
66655
PCA Front USB
1
Common
E5070-
61901
Standby
Switch Wire
Assembly
1
E5070-
61901
Standby Switch
Wire Assembly
1
Common
Cables
E5071-
61616
LCD Display -
Flat Cable
assembly
1
E5070-
61699
LCD Display -
Flat Cable
assembly
1
Replace set
E5071-
61608
Wire
assembly,
(Inverter to
Keyboard)
1
E5061-
61654
Wire assembly,
LED Driver
(Inverter to
Keyboard)
1
Replace set
(None)
(None)
Original cable
is pre-fitted
with LCD T/P
assembly
-
E5061-
61653
Wire assembly,
(Display
backlight power)
1
New
E5071-
61611
Wire
assembly,
(PCA Probe
Power to
keyboard)
1
E5071-
61611
Wire assembly,
(PCA Probe
Power to
keyboard)
1
Common
E5070-
61628
Wire
assembly,
(Keyboard to
T/P controller)
1
E5070-
61628
Wire assembly,
(Keyboard to
T/P controller)
1
Common
Gasket
0363-
0170
RFI-Gasket
Strip-Fingers
79
0363-
0170
RFI-Gasket
Strip-Fingers
79
Common
Cable Tie
1400-
0249
Cable tie
1
1400-
0249
Cable tie
3
Common
Cable Clamp
1400-
3377
Cable clamp
(On cover
shield)
2
1400-
1334
Cable clamp
(On cover
shield)
2
Replace set
1400-
0611
Cable clamp
(On cover
shield)
1
1400-
0611
Cable clamp
(On cover
shield)
1
Common
Page 6 of 22 E5071C-31A
1400-
3156
Cable Clamp
Nylon
2
1400-
3156
Cable Clamp
Nylon
2
Common
Screws
(None)
(None)
-
0515-
5711
Screw M4x0.7 -
securing LCD
Flat cable
assembly
2
New
(None)
(None)
-
0515-
0430
Screw M3x0.5 –
Underneath the
inverter
assembly
(hidden)
2
New
(None)
(None)
-
0515-
1946
Screw M3x0.5 –
Top of the
inverter
assembly
(visible)
2
New
0515-
1402
Screw
M3.5x0.6
4
0515-
0430
Screw M3x0.5 –
Securing the
LCD T/P
assembly to
front panel
4
Replace set
0515-
0430
Screw M3x0.5
2
0515-
0375
Screw M3x0.5 –
T/P Controller
2
Replace set
0515-
0430
Screw M3x0.5
2
0515-430
Screw M3x0.5 –
PCA Probe
Power
2
Common
0515-
0430
Screw M3x0.5
8
0515-
0430
Screw M3x0.5 -
Keyboard
8
Common
Page 7 of 22 E5071C-31A
LCD Replacement.
1. Install the keyboard on the new front panel sub as shown in figure 1-1.
Note: The front panel, panel sub and cover shield are required to be replaced due to dimension
changes. Front panel frequency label has to be purchased separately according to unit
frequency options.
Figure 1-1
2. Install the gaskets as shown in Figure 1-2. Figure1-3 illustrates the Front panel with the
keyboard installed.
Figure 1-2
Page 8 of 22 E5071C-31A
Figure 1-3
3. Install the inverter on the bracket before connect the cable assembly to both ends as shown in
figure 1-4
Figure 1-4
4. Install the inverter assembly onto the new CLD T/P display assembly (with LED backlight).
Refer to figure 1-5 for details.
Figure 1-5
Page 9 of 22 E5071C-31A
5. Route the LCD display assembly cables accordingly.
Figure 1-6
6. Install the LCD T/P Display Assembly onto the LCD Front Panel. Fasten the screws according
to the following sequence. Connect all cable assemblies as shown in figure 1-7.
Figure 1-7
Page 10 of 22 E5071C-31A
7. Connect the cable assemblies to the keyboard.
Figure 1-8
8. Shown would be the completed installation of the assemblies. Kindly ensure the connections
of the cable assemblies are good and properly secured. Fasten the six screws in securing the
shield (back cover) to the Front Panel Assembly.
Figure 1-9
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