Table of Contents
Advertisement
Checking Bluetooth Block
TP Command
-pctr = 3,4,1
-pdin = 3,4
-pdou = 3,4,1
-brst =1
-ltcx = 3
→
LTCX=response value,OK
-dacc =0,2 response value
-Btfa=1,1
-Btfa=1,2
-Btsr=2
voltage level at
Check
. C646
VBT
with
Oscilloscope
at
Check frequency
MCLK , C643
with
Oscilloscope
Check frequency a
RTCCLK , C642
with
Oscilloscope
Check Power lever
t Bluetooth chip Output
a
C647 with
Oscilloscope
VBT C646
Bluetooth chip Output
C647
2.85V?
13MHz ?
32.768k ?
t
Over
-40dBm ?
Check Next Stage
- 184 -
E5515C 8960 setting
-Center Frequency => 2441MHz
-Span =500kHz
No
Check BT regulator Block
Yes
No
Check VCXO block
Yes
No
Check Marita Block ( D601 )
Yes
No
Change BT Chip (U604)
Yes
MCLK C643
RTCCLK C642
Advertisement
Table of Contents
