Text preview for : 1.pdf part of Motorola A6188 Schematic Diagram Phone Gsm - (Tot File 11) - Part 1/3
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MIX_275
PDA_VCC GCAP Clk
W/DOG
V_REF
LS_V1
DRAGONBALL
CLK
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
TAI CHI ORGANISER
17
3
SPM_RXD
E1
21
RX
10.Received Frequency 11.GSM1800 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
GC AP Audio Bus Ou t
H3
AUX_MIC
14
F5 EF G1 G2 G3
GCAP Audio Bus In
H2
MIC_IN+
18
H6 SPKSPK+
19
5 H7
2
7
2 1
Q1254
18
J2
MIC_IN-
14 15 11 12
2 11 12 13 14
1 5
8
13
PDA
20.PDA Touch screen analogue positional information. 21.PDA Touch Screen digital positional information.
1
8
5 11 12 13 14 7
2
GCAP Digital Audio Ou t
4
6 7
A5 B3 F4 E6
A3BCLKR C4 BDR B4 BFSR
A2BCLKX C6BDX
A5 B3 F4 E6
9 10
17
16
4 3
_V
V_SIM1
CE_1
GC AP Digital Au dio In
R_W
I_SENSE
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