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on the A5 card [1-115].
(4) Connect the two transformer connectors [1-215 and 1-230] to the
A5CN21 and A5CN22 connectors on the A5 card [1-115].
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COMPONENT MAINTENANCE MANUAL
PART NUMBER RD-AA5002 SERIES
23-32-47
(5) Install the A8 card [1-90] with 4 screws [1-95].
(6) Connect the connector assembly [1-105] to the A8CN501 connector on
the A8 card [1-90] and to the A5CN40 connector on the A5 card [1-
115].
(7) Connect the connector assembly [1-110] to the A8CN502 connector on
the A8 card [1-90] and to the A5CN39 connector on the A5 card [1-
115].
(8) Install all of the A1, A2, A3, and A4 cards as given in A. above.
C. Installation of A6 and A7 Cards
(1) Install the A6 card [1-195] with 4 screws [1-205].
(2) Connect the connector assembly [1-180] from the bottom plug of the
J1 connector [1-185] to the A6CN2 connector on the A6 card [1-195].
(3) Connect the two transformer connectors [1-215 and 1-230] to the
A6CN3 and A6CN4 connectors on the A6 card [1-195].
(4) Install the A7 card [1-135] with 2 nuts [1-150], 2 spring washers
[1-155] and 2 washers [1-160].
(5) Solder the 60 pins that come from the J1 connector [1-185] to the A7
card [1-135].
(6) Apply a layer of insulating compound on the soldered area. Obey the
instructions of the insulating compound manufacturer to correctly
apply and dry the insulating compound.
(7) Connect the printed flexible cable [1-170] to the A7CN1 connector on
the A7 card [1-135].
(8) Install the rear panel [1-125] with 4 screws [1-130].
D. Final Assembly
(1) Install the bottom cover [1-35] with 4 black screws [1-40].
(2) Install the top cover assembly [1-10] with 8 black screws [1-15].
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THIS PAGE IS
INTENTIONALLY
LEFT BLANK.
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SPECIAL TOOLS, FIXTURES, AND EQUIPMENT
This section gives a list of the tools, fixtures, equipment and consumable
materials that are necessary to do the procedures given in this manual. The EFF
column shows the effectivity as follows:
EFF EFFECTIVITY
T&FI-1 The item is necessary when you use the procedures given in
the TESTING AND FAULT ISOLATION - PART 1 section.
T&FI-2 The item is necessary when you use the procedures given in
the TESTING AND FAULT ISOLATION - PART 2 section.
--- The item is usually necessary when you use the procedures
given in this manual.
NOTE: You can use alternatives for the items given in the list. The source is
as follows:
· Panasonic for Matsushita Avionics Systems Corporation
· C/A for available from commercial sources
· Trademarks or company names for other sources.
ITEM (SOURCE) DESCRIPTION EFF
VMU Tester,
RD-AX8308
(Panasonic)
It gives the electrical connections between the VMU
and the test equipment or other units. AC power of
115 V, 400 Hz is supplied to the VMU through the
VMU tester. Refer to Figure 101 for the front and
rear views of the VMU tester.
T&FI-1
Test Harness,
RD-AM9341
(Panasonic)
It connects the VMU to the tester. T&FI-1
Test Harness,
RD-AM9341-01
(Panasonic)
Use this for functional testing of VMUs RD-AA5002-
23 and RD-AA5002-25. This test harness has a BNC
female connector at one end, a 100-W resistor in
the middle, and a BNC male connector at the other
end.
T&FI-1
Impedance
Converter,
RD-AM8285
(Panasonic)
This unit is necessary if the video pattern
generator has an output impedance of 75 W. The
impedance converter operates on 115 V, 400 Hz.
Refer to Figure 102A for the front and rear views
of the impedance converter.
T&FI-1
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PART NUMBER RD-AA5002 SERIES
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(Cont'd)
ITEM (SOURCE) DESCRIPTION EFF
Impedance Selector,
RD-AM8285-01
(Panasonic)
This unit gives an output impedance selection of
50 W, 75 W or 100 W for a video signal source with
an output impedance of 50 W. Refer to Figure 102B
for the front and rear views of the impedance
selector.
T&FI-1
VMU Tester
Software,
MD2HD256005A or
MD2HD256005B or
MD2HD256005C or
MD2HD256005D
(Panasonic)
A 1.44-MB 3.5-inch floppy disk that contains one
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COMPONENT MAINTENANCE MANUAL Video Modulator Unit (VMU)(89)
