TRANSCEIVER 800 MHz
DC Distribution (SWB+ 7.2V) Test
Use this test on a unit with the following symptoms: no 7.2Vdc SWB+.
MTP700 Portable Radio / Detailed Service Manual
Check Q201 pin 2
or pin 3 for 7.2Vdc
Yes
Is the voltage OK?
No
Check Q201 pin 5
for 2.7Vdc.
No
Is the voltage OK?
Yes
Check 7.2Vdc at Q201
pin 6.
No
Are they OK?
Yes
Replace Q201.
Check traces to U205,
L914, R215, R256.
Go to V2_2.775V Test.
Go to V2_2.775V Test.
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