- 74 -
ANT
S/
W
GSM
TXVCO
P
A
M
(RF3110)
REF
C
LK
CX74017
Base
Ba
n
d
Bl
ock
DCS
1805~1880M
Hz
GSM
925 ~ 960MHz
D
C
S : 1710 ~ 1785MHz
GSM
: 880~925MHz
13
M
H
z
90
0
90
0
2/3
RX
IP
RX
IN
RX
Q
P
RX
Q
N
90
0
LF
TXIP
TXIN
TXQ
P
TXQN
PFD
Frac
ti
onal-N
PLL
4/3
PLL_LE
PLL_CL
K
PLL_DA
TA
Ser
ia
l
I/O
/D2
/D1
X2
DCS
/R
f
v
c
o
=
(
N
+
3.5+FN
/2
^
2
2
)
f
ref/
R
f
vc
o
f
ref
/3
X2
TXEN
RX
E
N
PLL_P
D
Se
ri
al
I/O
FEENA
BANDSEL2
BANDSEL1
LF
f
TX
f
IF
f
LO
GSMSEL
D
C
SSEL
TX
P
A
TXEN
O
U
T Vin
/S
D
VS
YNTH
EN
RF
2.
8
5
V
VBAT
RF
2.
8
5
V
TEMP
SENSE
ADP3330
_2V
8
5
LMSP54AA-097
AFC
13MHz
2V7_V
T
CXO
Dual Saw Filte
r L2
57
1
2
3
4
5
TXRA
MP
Atta
nua
to
r
Atta
nua
to
r
6
7
8
9
10
-60 dBm
-61 dBm
-61 dBm
-64.5
dBm
-64 dBm
34 dBm
32 dBm
10 dBm
8 dBm
8 dBm
6 dBm
4-3-7 Receiver and Transmitter RF Level
4. TROUBLE SHOOTING
Содержание G3100
Страница 32: ... 34 3 TECHNICAL BRIEF Figure 3 20 TX IQ Signal Figure 3 21 RX IQ Signal ...
Страница 40: ... 42 Figure 3 26 1 Voice band circuit diagram Headset Hands free kit part 1 3 TECHNICAL BRIEF ...
Страница 42: ... 44 Figure 3 27 AD6521 circuit diagram 3 TECHNICAL BRIEF ...
Страница 73: ... 75 4 3 8 Receiver RF Level Figure 4 1 Test Points of Rx Level 4 TROUBLE SHOOTING ...
Страница 74: ... 76 4 3 9 Transmitter RF Level Figure 4 2 Test Points of Tx Level 4 TROUBLE SHOOTING ...
Страница 81: ... 83 The Receiver part Circuit Diagram C203 C207 C206 4 TROUBLE SHOOTING ...
Страница 87: ... 89 R202 MIC201 R204 C204 C201 R208 R206 C208 Q203 4 TROUBLE SHOOTING ...
Страница 93: ... 95 Test SIM Connector Check J301 4 TROUBLE SHOOTING ...
Страница 97: ... 99 J201 R240 C234 L201 R241 4 TROUBLE SHOOTING U205 U203 U204 ...
Страница 101: ... 103 CN302 U203 U204 4 TROUBLE SHOOTING ...
Страница 102: ... 104 U205 4 TROUBLE SHOOTING ...
Страница 104: ...5 DISASSEMBLY INSTRUCTION 106 3 Detach the rest components as shown below Figure 5 3 Detaching the rest components ...
Страница 108: ...3 Press Start and Wait until Erase is completed 110 1 Press Start 2 Confirm completion 6 SOFTWARE DOWNLOAD ...
Страница 117: ... 119 9 PCB LAYOUT 9 1 Rear Part ...
Страница 118: ...9 2 Front Part 120 ...
Страница 124: ... 126 11 2 Standalone Test Equipment Setup GSM Test Equipment Power Supply PC JIG RS 232 Cable Phone 11 STAN ALONE TEST ...
Страница 134: ... 137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...