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.

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

Description

Qty.

New PN

Description

Qty.

Remarks

Inverter

(0950-4420)

Assemblies,

Modules

0950-

4420

Inverter

0950-

5396

Inverter

Direct

replacement

Touch

Panel

Controller

(5183-4184)

Assemblies,

Modules

5183-

4184

Touch Panel

Controller

5183-

4184

Touch Panel

Controller

Direct

Replacement

LCD Touch

Panel

Assembly

(E5070-

60112)

Assemblies,

Modules

E5070-

60112

LCD Touch

Panel

Assembly

E5070-

60113

LCD Touch

Panel Assembly

(With LED

backlight)

Replace set

E5071-

00222

Panel Sub

E5071-

00262

Panel Sub

Replace set

E5071-

00621

Cover Shield

E5071-

00633

Cover Shield

Replace set

0950-

4420

Inverter

0950-

5396

Inverter

Replace set

E5071-

01211

Inverter

Bracket

E5071-

01241

Inverter Bracket

Replace set

E5071-

00252

(Opt 2xx)

Front Panel

E5071-

00252

(Opt 2xx)

Front Panel

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)

[Refer to

service

guide

page 190]

Label

(Frequency

label)

Common

5183-

4184

Touch Panel

Controller

5183-

4184

Touch Panel

Controller

Common

E5071-

01238

Touch Panel

Controller

Bracket

E5071-

01238

Touch Panel

Controller

Bracket

Common

E5070-

66656

PCA Probe

Power

E5070-

66656

PCA Probe

Power

Common

E5070-

66655

PCA Front

USB

E5070-

66655

PCA Front USB

Common

E5070-

61901

Standby

Switch Wire

Assembly

E5070-

61901

Standby Switch

Wire Assembly

Common

Cables

E5071-

61616

LCD Display -

Flat Cable

assembly

E5070-

61699

LCD Display -

Flat Cable

assembly

Replace set

E5071-

61608

Wire

assembly,

(Inverter to

Keyboard)

E5061-

61654

Wire assembly,

LED Driver

(Inverter to

Keyboard)

Replace set

(None)

Original cable

is pre-fitted

with LCD T/P

assembly

E5061-

61653

Wire assembly,

(Display

backlight power)

New

E5071-

61611

Wire

assembly,

(PCA Probe

Power to

keyboard)

E5071-

61611

Wire assembly,

(PCA Probe

Power to

keyboard)

Common

E5070-

61628

Wire

assembly,

(Keyboard to

T/P controller)

E5070-

61628

Wire assembly,

(Keyboard to

T/P controller)

Common

Gasket

0363-

0170

RFI-Gasket

Strip-Fingers

0363-

0170

RFI-Gasket

Strip-Fingers

Common

Cable Tie

1400-

0249

Cable tie

1400-

0249

Cable tie

Common

Cable Clamp

1400-

3377

Cable clamp

(On cover

shield)

1400-

1334

Cable clamp

(On cover

shield)

Replace set

1400-

0611

Cable clamp

(On cover

shield)

1400-

0611

Cable clamp

(On cover

shield)

Common

Page 6 of 22 E5071C-31A

1400-

3156

Cable Clamp

Nylon

1400-

3156

Cable Clamp

Nylon

Common

Screws

(None)

0515-

5711

Screw M4x0.7 -

securing LCD

Flat cable

assembly

New

(None)

0515-

0430

Screw M3x0.5 –

Underneath the

inverter

assembly

(hidden)

New

(None)

0515-

1946

Screw M3x0.5 –

Top of the

inverter

assembly

(visible)

New

0515-

1402

Screw

M3.5x0.6

0515-

0430

Screw M3x0.5 –

Securing the

LCD T/P

assembly to

front panel

Replace set

0515-

0430

Screw M3x0.5

0515-

0375

Screw M3x0.5 –

T/P Controller

Replace set

0515-

0430

Screw M3x0.5

0515-430

Screw M3x0.5 –

PCA Probe

Power

Common

0515-

0430

Screw M3x0.5

0515-

0430

Screw M3x0.5 -

Keyboard

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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