Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Ericsson Mobile Phones ERICSSON AF738, AF778 FIG2-7
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V TX VBATT PORTHF LED_R LED_G VDIG V
B A T T
DTMS V
A N A R X
VBATT
DFMS REG
F_TX 824 - 848.9 MHZ VRAD
V MALIN VRAD BACKLIGHT V VMALIN
REG
A N A T X
EXTAUD VDIG
V
VDIG
D IG
REG VBATT
M o d
BAR
LCD
L C D
KEY:
transmitter 90MHZ
B a c k lig h t
V DIG B u f f e r
MIXER RECEIVE PATH
AMPLIFIER TRANSMIT PATH 914 - 938.9MHZ MIA
FILTER FREQUENCY PROCESSING
system
BATTERY
V B A T T
memories DGND
VRAD VIB GEN
VRAD VIB
BAR GEN
SYSTEM CONNECOR
B A R AFMS 1
14.85MHZ ATMS 2
EXTAUD 3
CLOCK GEN
AGND 4
PORTHF 5
MUTE 6
K P 7
VD IG
8
Mult. DFMS 9
x3 DGND 10
DTMS 11
DCIO 12
processor /
1ST IF - 45 MHZ control interface
2ND LO - 44.55 MHZ V IB
S P E A K E R
ATMS MOD
B A R
RXSAT
TXDATA
RSSI AFMS
BAR L C D user
B a c k lig h t interface
450MHZ K P
L E D
receiver synthesizer audio M I C
Figure 2-7. Block Diagram
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