Motorola P7389i Product Manual page 47

TX275 TX_GSM PA_B+ TX_DCS
J
I
E
F
A
2
GSM
942,5MHz
5
RTC_BATT_CONN
B
C
1
SAW FILTER
400MHz
SH4
TX_GSM TX_DCS RF_V2 TX_EN SW_VCC
Note :
This drawing refers only to the first PCB-Version of the product !
RX275_DPCS RX275_GSM_PCS B+ *GSM_SEL
L
K
9 8
10 7
11 6
12 5
13 4
14 3
15 2
16 1
SH7
H
SH5
D
5 M
RX Local Osc.
N
*PCS_SEL *DCS_SEL *GSM_SEL RVCO_DCS
TX275 RX_EN RX275 STBY_DL
RVCO_PCS RX275_GSM RX275_DCS RVCO_275
V1
V1_SW
GSM RX ANTENNA SIGNAL
A
B FILTERED GSM RX ANTENNA SIGNAL
C UNFILTERED IF 400MHz
D AMPLIFIED IF 400MHz
E RX SPEAKER LINE -
F RX SPEAKER LINE +
TX MIC LINE +
G
H TX VCO SIGNAL
I FILTERED PA OUTPUT SIGNAL
J PA DETECT LINE
PA TUNING VOLTAGE
K
PA TUNING VOLTAGE
L
M RX LOCAL OSC TUNING VOLTAGE
N RX LOCAL OSC 800MHz
G
DISPLAY
J902
CONN
1 /CS1
2 /RES
3 Data/Command
4 R_W
5 D0
MIC
6 D1
7 D2
8 D3
9 D4
10 D5
11 D6
12 D7
13 Vop
14 VSS
15 VOUT
16 V1
17 V2
18 V3
19 V4
20 V5
21 VR*
22 IRS*
23 NC
24 NC
25 NC
26 NC
27 NC
REVISIONS
GSM SERVICE SUPPORT GROUP 26.07.00
Level 3 Signal Flow Rev. 1.0
GPRS LEAP 8485776k07_
P7_3
Michael Hansen, Ralf Lorenzen, Ray Collins Page 1 of 2