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PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
J600
SIGNAL RF GND SW_RF RF GND BATT_FDBK MAN_TEST RS232_TX RS232_RX RS232_EN AUDIO OUT GND UPLINK DOWNLINK DSC_EN_B EXT B+ GND
GSM EFR ALEX_P4
L500 -10 V SIM_VCC2 RX275 -10 V RX_EN TX_EN
4
k i l 2 j 7
J101
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SIGNAL KP_R3 Backlight + A0 PWR_SW D4 *RESET KP_R2 D7 D0 D5 D6 D3 KP_R5 D1 -10V L275 KP_EN1 D2 KP_R4 KP_EN4 DP_EN KP_EN5 BL_CNTL GND KP_R1 GND KP_EN3 GND KP_EN2 GND R/W GND *All Readings read during transmit mode on Channel 62 at Power level 05. RAM1CS
m 43 42 n h 12
PA Exciter Voltage
TX Path
a. Mic i/p (analogue) b. Digital Audio c. 108Mhz Tx IF d. 794.4Mhz Main VCO o/p e. Main 902.4Mhz Tx o/p f. Main Tx o/p F/Back g. Main Tx O/P Chg Pump h. Amplified Tx o/p i. Exciter Voltage from PAC IC j. Main Tx F/Back to PAC IC k. Main Tx o/p Antenna.
Approx p/p 1.1V
b e c
L BATT +
o
RAM2CS
800mV 0V 1.4V (Noisy)
7
26
*J1001 and J1002 - Same as Startac Cosmo
V_SWITCH
R275
R475
5uS / Div 1V / Div
Uplink
L275
13 Mhz Clk
37 17 78
b e c DM_CS
2.3V 1.5V 2.6V
CE*
d
1 14 f 4 g
Rx Path
l. Main Rx 947.4Mhz i/p m. Amplified Rx signal n.Main 794.4Mhz VCO i/p o. 153Mhz Rx IF p. 153Mhz Gifsyn i/p q. Digital Audio r. Analogue Audio s. Amplified Audio to Speaker
13 Mhz Clk Ext B+ L500
s r 9 10 1719
b e c
b e c
SIM VCC1
83
1.15V 300mV 1.4V
e p/p 1.75V 2.75V p/p 2.5V
b e c
2.2V
p p/p 600mV p/p 600mV p2.75V 31 23 10
b e c
r 43 46 48
c 4 61 64
2.6V
q
p/p 650mV p/p 6oomV
2.75V
Ray Collins, Ralf Lorenzen, Michael Hansen, Colin Jack Page1
b
LEVEL 3 COLOUR SIGNAL FLOW
EUROPE MIDDLE EAST & AFRICA
13Mhz Clk
J601 Pins 10 & 12 To Earpiece
RX I&Q
CUSTOMER SERVICES
GSM EFR ALEX
a
PWR Switch
TX I&Q
13Mhz Clk
2.2V
TX I&Q
RX I&Q
Rev. 1.0
08.01.99