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VX150 TO VX2 TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 3.1.62
VERSION 2.0 2023-04-20
9.
Remove and retain the 11 M2.5 screws securing the PA PWB to the heatsink.
10. Remove and discard the two M3 screws securing the FET to the heatsink.
NOTE
:
The
LPF end of the PA PWB may require prying to break the seal from the underlying thermal
pad.
11. Remove the PA PWB and thermal pad and discard. See
Figure 3.1.38: Thermal Pad Removal
12. Clean the heatsink of any residual thermal compound where the FET attaches to the heatsink. Use
isopropyl alcohol and a microfiber cloth.
13. Obtain the replacement thermal pad (Nautel part # HAK77C) from the 235-5046* NAPA40*
Replacement Kit.
14. Install the thermal pad into the cavity in the heatsink. See
.
Содержание VX150
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Страница 168: ...VERSION 2 0 2023 04 20 MD 6 Figure MD 6 NAPI189 Analog Audio PWB...
Страница 169: ...VERSION 2 0 2023 04 20 MD 7 Figure MD 7 NAPI187A System Interface PWB...
Страница 170: ...VERSION 2 0 2023 04 20 MD 8 Figure MD 8 NAPI188 01 Power Supply Interface PWB VX150 VX300 VX600...
Страница 171: ...VERSION 2 0 2023 04 20 MD 9 Figure MD 9 NAPI188 Power Supply Interface PWB VX1 VX1 5 VX2...
Страница 172: ...VERSION 2 0 2023 04 20 MD 10 Figure MD 10 NAPI193 Front Panel User Interface PWB...
Страница 173: ...VERSION 2 0 2023 04 20 MD 11 Figure MD 11 NAPA41 Pre Amp IPA PWB...
Страница 174: ...VERSION 2 0 2023 04 20 MD 12 Figure MD 12 NAPA40A Power Amplifier PWB...
Страница 175: ...VERSION 2 0 2023 04 20 MD 13 Figure MD 13 NAPF16A Low Pass Filter PWB...
Страница 176: ...VERSION 2 0 2023 04 20 MD 14 Figure MD 14 NAPP15A Directional Coupler Bottom PWB...
Страница 177: ...VERSION 2 0 2023 04 20 MD 15 Figure MD 15 NAPH15 2 Way Splitter PWB VX1 5 VX2...
Страница 178: ...VERSION 2 0 2023 04 20 MD 16 Figure MD 16 2 Way Combiner PWB Nautel Part PU03B VX1 5 VX2...
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