5. DOWNLOAD AND CALIBRATION
- 85 -
Bluetooth
Power on
Yes
Yes
Yes
Yes
Yes
Yes
Not available
Yes
Yes
OK
Yes
Y
es
No
No
No
No
No
No
No
No
No
No
Bluetooth
Power off
Connect BT Headset
Replace Headset
Establish a Call
Is PCM_RX similar to Fig.3
Fig.3
?
Check 2V8_VBT
PCB pattern
Replace U102
Replace U102
Replace U102
Replace M601
Replace U102
Replace M601
Replace M601
Resolder
Replace (U611)
2V8_VBT at C674=2.8V?
2V8_VBT at C671=2.8V?
BT_EN at
R660=2.8V?
Is BLUE_RST signal shape similar
to Fig 1 during powering on Bluetooth?
Is DEBUB_TX signal shape similar to
Fig.2 during powering on Bluetooth?
Is DEBUB_RX signal shape similar to
Fig.2 during powering on Bluetooth?
Is RF Power Level at
Antenna feeding about OdBm?
Are PCM_SYNC8, PCM_TX, USCC
similar to Fig.3?
Re-download
software
Is Soldering of R650, L650
R651, Ant1 good?
Figur 4 -32 Blue RST
BLUE_
RST
Figure EB U
G_Tx, Rx
DEBUG
_TX
DEBUG
_RX
Figure 4-34 PCM_SYNCS, Tx, Rx,
PCM_SY
NC8
PCM_TX
PCM_RX
USC0
(Clock)
Figure 3. PCM_SYNCS, Tx, Rx, USC0
Figure 1. Blue_RST
Figure 2. DEBUG_Tx, Rx
Содержание F2400
Страница 3: ......
Страница 27: ...3 TECHNICAL BRIEF 28 Figure 4 SYSTEM INTERCONNECTION OF AD6527 6527B EXTERNAL INTERFACE ...
Страница 29: ...AD6537B 3 TECHNICAL BRIEF 30 Figure 5 AD6537B FUNCTION BLOCK DIAGRAM ...
Страница 39: ...3 TECHNICAL BRIEF 40 Figure 16 AUDIO LOGIC IN AD6537B ...
Страница 43: ...4 TROUBLE SHOOTING 44 4 1 RX Trouble 4 TROUBLE SHOOTING Figure 4 1 Test Points Checking Flow ...
Страница 44: ...4 TROUBLE SHOOTING 45 1 Checking Regulator Circuit Figure 4 2 Test Points Circuit Diagram Checking Flow ...
Страница 47: ...4 TROUBLE SHOOTING 48 Checking Flow ...
Страница 48: ...4 TROUBLE SHOOTING 49 5 Checking SAW Filter Circuit Test Points Checking Flow Circuit Diagram ...
Страница 49: ...4 TROUBLE SHOOTING 50 6 Checking RX IQ Test Points Circuit Diagram Waveform Checking Flow ...
Страница 50: ...4 TROUBLE SHOOTING 51 4 2 TX Trouble Test Points Checking Flow ...
Страница 52: ...4 TROUBLE SHOOTING 53 2 Checking VCTCXO Circuit Test Points Circuit Diagram Waveform Checking Flow ...
Страница 54: ...4 TROUBLE SHOOTING 55 3 Checking Ant SW Mobile SW ...
Страница 56: ...4 TROUBLE SHOOTING 57 5 Checking TX IQ Test Points Waveform Circuit Diagram Checking Flow ...
Страница 57: ...4 TROUBLE SHOOTING 58 4 3 Power On Trouble ...
Страница 58: ...4 TROUBLE SHOOTING 59 C126 C124 D101 R112 C119 C101 U101 R399 ...
Страница 59: ...4 TROUBLE SHOOTING 60 4 4 Charging Trouble Q101 R120 D102 CN202 4 5 PIN ...
Страница 60: ...4 TROUBLE SHOOTING 61 ...
Страница 61: ...4 TROUBLE SHOOTING 62 4 5 LCD Trouble CN601 9 23 PIN C401 U402 C417 ...
Страница 62: ...4 TROUBLE SHOOTING 63 ...
Страница 63: ...4 TROUBLE SHOOTING 64 4 6 Receiver Trouble R105 R104 ...
Страница 64: ...4 TROUBLE SHOOTING 65 4 7 Speaker Trouble R213 R214 U204 C215 C216 C217 R219 R218 U203 ...
Страница 65: ...4 TROUBLE SHOOTING 66 C211 C219 C217 C216 C217 C216 ...
Страница 66: ...4 TROUBLE SHOOTING 67 4 8 MIC Trouble C108 C226 R232 R231 C225 C223 R235 R234 ...
Страница 67: ...4 TROUBLE SHOOTING 68 ...
Страница 68: ...4 TROUBLE SHOOTING 69 4 9 Vibrator Trouble R1101 R1100 Q402 D202 1 ...
Страница 69: ...4 TROUBLE SHOOTING 70 ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 10 Key Backlight LED Trouble ...
Страница 71: ...4 TROUBLE SHOOTING 72 ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 11 SIM Detect Trouble ...
Страница 73: ...4 TROUBLE SHOOTING 74 4 12 Ear Jack Trouble U201 C201 R201 R207 R208 J201 R209 ...
Страница 74: ...4 TROUBLE SHOOTING 75 ...
Страница 75: ...4 TROUBLE SHOOTING 76 ...
Страница 78: ...4 TROUBLE SHOOTING 79 ...
Страница 79: ...4 TROUBLE SHOOTING 80 4 14 RTC Trouble X101 R113 ...
Страница 82: ...4 TROUBLE SHOOTING 83 ...
Страница 95: ...Note 96 ...
Страница 102: ... 103 8 PCB LAYOUT ...
Страница 103: ... 104 8 PCB LAYOUT ...
Страница 109: ......