1-152 (No.RA053<Rev.001>)
Pass
Pass
Pass
Pass
Check the TX-RX UNIT PCB Side A.
Verify the CN354 and
CN356, C391.
Fail
Pass
Verify the BT/GPS power
supply.
(32BT) C34[Hot Side]: 3.2V
Pass
Fail
Fail
Fail
Verify the BT/GPS power
supply.
(18BT) R9:
Verify the current monitor
circuit parts.
Check the L354, C377,
R364, R362, R363, C376,
R365 and C378.
Check the PCB side B.
Check the PCB side B.
Fail
Replace abnormal parts.
[The BT/GPS power supply
line 32BT circuit is faulty]
Verify the PCB side A parts.
Replace any abnormal parts.
Still fail
Still fail
[The BT/GPS power supply
line 18BT circuit is faulty]
Verify the PCB side A parts,
C15.
Check the PCB
side B (a).
Check the PCB
side B (b).
Check the PCB
side B.
Still fail
[Current monitor circuit is
faulty.]
Replace any abnormal parts.
Verify the GPS RF circuit
parts.
Check the R369, R356,
R355, R354, L359, C395,
C369 and L353.
[GPS RF circuit is faulty.]
Replace any abnormal parts.
[MPU/DSP (IC401) or IC351
is faulty]
Replace the PCB.
Fail
Verify the BT/GPS control
signal (/BT_SHUTDOWN).
R353: 1.8V