Text preview for : 2.pdf part of Motorola A6188 Schematic Diagram Phone Gsm - (Tot File 11) - Part 1/3
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RF_V2
26 MHz
V3
V_REF
RTC_BATT
TX
1.Analogue Mic Audio. 2.Analogue Headset Audio. 3.GCAP Bus Digital Audio. 4.Processed speech and error correction data. 5.TX VCO Tuning voltage with modulation. 6.GSM 1800 main TX o/p frequency 7.GSM 900 main TX o/p frequency 8.Amplified Main TX o/p 9.Main TX o/p to Antenna
EL+
SPK-
SPK+
20
1 2 3 4 24
PEN_IRQ
21
RIGHT BOTTOM
2 3 4 5
LEFT
12 11
TAI CHI ORGANISER
TOP
U9808
RX
10.Received Frequency 12.GSM900 Received Frequency 13.RX VCO Tuning Voltage 14.Main VCO Frequency 15.400Mhz IF Frequency 16.Demodulated and Digitized Received Data 17.Digital GCAP Bus Audio 18.Analogue audio to Speaker 19.Analogue Audio to Headset
2 19
1
15 14 EXT B+
5
PDA
20.PDA Touch screen analogue positional information. 21.PDA Touch Screen digital positional information.
1
XTAL_BASE
E1
CP_TX
B1
15
PRE IN
A7
CP_RX BCLKR F7 BFSR G9 BDR G8 BDX J2 BCKLXG7 LO2_CP
A1
13 16 4
CLK_OUT
J6
PLL_CP
J7
A9
12 11 10 9 8
7 6 10 5 4
DCS_LNA 275
GSM_LNA 275
RF_V1
13Mhz
V2
V_BOOST 1
B+
CHARGE_C
Motorola Use Only
REVISIONS
GSM Service Support LEVEL 3 SIGNAL FLOW TAI CHI Organiser Michael Hansen, Ray Collins, Ralf Lorenzen 08.12.99 Rev. 1.0 Ver P5.0