Motorola MTP700 - Page 96

4.1 - 62 MTP700 Portable Radio / Detailed Service Manual TRANSCEIVER 400 MHz
Digital Analysis Test (Cont.)
Note: This test will be
performed by TetraCom
SW application.
Command: <Leds
E
N/
DI
S>?
B
Did the unit pass
the DSP memory
test?
Test the DSP memor
y.
Test the backlight
by turning it on.
No
Yes
Yes
No
Did the backlight
turn on?
Did the status LEDs
turn on?
No
Yes
The DSP inside the REDCAP2
(U301) is defective.
Test the status LEDs.
Replace the Keypad and LCD
Boards.
Use the diagnostic SW for
40pin connector test.
Did the diagnostic
test pass?
No
Yes
The Main Board successfully
passed all tests.
Note: This test will performed
by TetraCom SW application.
Command: <BackL EN/DIS>.
Replace the Main
Board.