Tmc - Asus P526 Service Manual

5.12 TMC

Needed Equipments:
A. Battery of P526
B. Oscilloscope
C. TMC cable of P526
Note: You can run TMC test of MMI test program for testing or test it through real TMC
radio.
a. Pin#1 of C173 shall have 3.3V.
b. T59 (GP137_TMC_EN) shall be high (2.8V).
c. Pin#2 of R203 shall be low (0V).
d. Output of U28 will not enable since pin#A1 (1OE#) and pin#B3 (2OE#) is high (connected
to GP137_TMC_EN).
e. Output of U27 is enable, since its OE# is connected to TMC_EN# (being inverter of
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