4. TROUBLE SHOOTING
- 80 -
4.16.6 Checking Rx I/Q (Rx pass continued)
RXQP
RXQP
RXIP
RXIP
I/Q is normal?
Check I/Q
Redownload the software
& Calibration
Replace U501
No
Yes
C817
8p
33p
C820
C511
560p
C818
18p
100
R819
R820
100
R513
680
R818
100
32
XEN
XOUT
8
31
_
PDN
9
10
2
_SEN
4
BQP
5
PGND
33
SCLK
1
3
SDIO
BIN
6
BIP
7
BQN
R512
820
R510
820
820
R511
C507
560p
R821
100
820
R509
33p
C821
S_CLK
_S_EN
_PDNB
S_DATA
TXQP
TXIN
TXQN
TXIP
26MHZ
RXIP
RXIN
RXQN
RXQP
Z3X-BOX.COM
Summary of Contents for MG220
Page 1: ...Date May 2006 Issue 1 0 Service Manual MG220 Service Manual Model MG220 Z 3 X B O X C O M ...
Page 3: ... 2 Z 3 X B O X C O M ...
Page 5: ...Z 3 X B O X C O M ...
Page 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...
Page 46: ...4 TROUBLE SHOOTING 45 4 TROUBLE SHOOTING 4 1 Main Components Placement Z 3 X B O X C O M ...
Page 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG220 dll Z 3 X B O X C O M ...
Page 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button Z 3 X B O X C O M ...
Page 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition Z 3 X B O X C O M ...
Page 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG220 Z 3 X B O X C O M ...
Page 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition Z 3 X B O X C O M ...
Page 99: ...6 SERVICE AND CALIBRATION 98 4 Click on CALIBRATION START button Z 3 X B O X C O M ...
Page 108: ... 107 8 pcb layout Z 3 X B O X C O M ...
Page 109: ... 108 8 pcb layout Z 3 X B O X C O M ...
Page 113: ... 112 Z 3 X B O X C O M ...
Page 129: ...Note Z 3 X B O X C O M ...
Page 130: ...Note Z 3 X B O X C O M ...