4.1 - 70
MTP700 Portable Radio / Detailed Service Manual
TRANSCEIVER 400 MHz
DC Distribution (5.5V_RF) Test
Use this test on a unit with the following symptoms: no 5.5V_RF.
Is the voltage OK?
Check U205 associated
components.
Check 5.5V_RF on C299 for
5.5Vdc.
Check 5.5V_RF on C220 for
5.5Vdc.
Yes
No
No
Yes
Is the voltage OK?
Are they OK?
Is the voltage OK?
Replace U205.
Refer to the DC Distribution
(SWB+) Test flowchart.
Replace defective components.
No
Yes
Yes
Check E212.
No
Check traces to GCAP3 and
Battery Interface Circuitry.
Check U205 pin2 for 7.2Vdc.
Содержание IMPRES Tetra MTP700
Страница 16: ...xvi MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 32: ...3 2 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 34: ...4 2 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 122: ...4 1 88 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 154: ...4 2 32 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 176: ...4 2 54 MTP700 Portable Radio Detailed Service Manual TRANSCEIVER 800 MHz THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 206: ...4 2 84 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 226: ...6 14 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 242: ...A 4 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 248: ...C 2 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...