4. TROUBLE SHOOTING
- 71 -
M. RF Transmitter Path Trouble Shooting
(PAM Control Signal)
PA_ON
APC
4dB Atten
0603
0603
3dB Atten
0603
0603
NA
C518
NA
C517
R402
24
220
R408
R411
18
R403
220
C405
27p
220
R405
R401
220
220
R407
GND9
7
GSM_IN
8
GSM_OUT
TX_ENABLE
3
VBATT
4
6
VRAMP
GND15
25
GND16
GND17
26
27
GND18
GND19
28
11
GND2
GND20
29
30
GND21
GND22
31
32
GND23
GND3
12
GND4
13
GND5
14
15
GND6
GND7
16
GND8
17
18
2
BAND_SELECT
DCS_PCS_IN
1
DCS_PCS_OUT
9
5
GND
10
GND1
GND10
19
20
GND11
21
GND12
GND13
22
GND14
23
24
VBAT
U401
RF3166
C408
33u
R410
300
R412
300
RFOL
RFOH
PA_BAND
Содержание MG810c
Страница 1: ...Date May 2006 Issue 1 0 Service Manual MG810c MG810d Service Manual Model MG810c MG810d ...
Страница 3: ... 2 ...
Страница 5: ......
Страница 46: ...4 TROUBLE SHOOTING 45 WR CS ADSSSSS CS ADSSSSS WR ...
Страница 52: ...4 TROUBLE SHOOTING 51 G 1 Speaker Receiver Trouble Shooting Common Path ...
Страница 53: ...4 TROUBLE SHOOTING 52 G 2 Speaker Receiver Trouble Shooting Acoustic Path ...
Страница 54: ...4 TROUBLE SHOOTING 53 G 3 Speaker Receiver Trouble Shooting MP3 AAC Path ...
Страница 55: ...4 TROUBLE SHOOTING 54 G 4 Speaker Receiver Trouble Shooting FM Radio Path ...
Страница 56: ...4 TROUBLE SHOOTING 55 G 5 Main Mic Path Trouble Shooting ...
Страница 57: ...4 TROUBLE SHOOTING 56 G 6 Ear Mic Receiver Path Trouble Shooting ...
Страница 58: ...4 TROUBLE SHOOTING 57 G 7 Ear Mic Mic Path Trouble Shooting ...
Страница 59: ...4 TROUBLE SHOOTING 58 G 8 Vibrator Trouble Shooting ...
Страница 60: ...4 TROUBLE SHOOTING 59 4 2 RF Part Troubleshooting A RF Receiving Path Trouble Shooting ...
Страница 64: ...4 TROUBLE SHOOTING 63 E RF Receiving Path Trouble Shooting FEM 1 ...
Страница 65: ...4 TROUBLE SHOOTING 64 F RF Receiving Path Trouble Shooting FEM 2 ...
Страница 67: ...4 TROUBLE SHOOTING 66 H RF Transmitter Path Trouble Shooting ...
Страница 73: ...4 TROUBLE SHOOTING 72 N RF Transmitter Path Trouble Shooting FEM 1 ...
Страница 74: ...4 TROUBLE SHOOTING 73 O RF Transmitter Path Trouble Shooting FEM 2 ...
Страница 84: ...6 Block Diagram 83 6 Block Diagram ...
Страница 85: ... 84 ...
Страница 96: ... 95 8 PCB LAYOUT ...
Страница 97: ... 96 8 PCB LAYOUT ...
Страница 98: ... 97 8 PCB LAYOUT ...
Страница 99: ... 98 8 PCB LAYOUT ...
Страница 100: ... 99 8 PCB LAYOUT ...
Страница 101: ... 100 8 PCB LAYOUT ...
Страница 111: ... 110 ...
Страница 113: ... 112 ...
Страница 133: ...Note ...
Страница 134: ...Note ...