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&XVWRPHU &DUH 6ROXWLRQV Company Confidential
Test Points
VLED-
J302
LED driver feedback
VLED+
J303
LED driver output voltage
CSX
J304
LCD Chip select
SDA
J305
LCD Serial Data
RESX
J306
LCD Reset
SCLK
J307
LCD Serial Clock
GND
J308
Ground (for module jig)
EARP
J310
Earpiece line (positive)
EARN
J311
Earpiece line (negative)
FMC-
J356
FM-radio serial data
trlDa (30)
FMCtrl-
J357
FM-radio serial clock
Clk
GND
J308
Ground (for module jig)
EARP
J310
Earpiece line (positive)
EARN
J311
Earpiece line (negative)
FMC-
J356
FM-radio serial data
trlDa (30)
FMCtrl-
J357
FM-radio serial clock
Clk
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~0.5V
From LCD to LED
driver
~7.5V V
From LED driver to
LCD
Digital signal 1.8 V
From UPP to LCD
Digital signal 1.8 V
From UPP to LCD
Digital signal 1.8 V
From UPP to LCD
Digital signal1.8 V
From UPP to LCD
6.5 MHz
Audio signal (differ-
From UEM to Ear-
ential)
piece
Audio signal (differ-
From UEM to Ear-
ential)
piece
Digital signal 1.8 V
From UPP to FM-
radio
Digital signal 1.8 V
From UPP to FM-
radio
Audio signal (differ-
From UEM to Ear-
ential)
piece
Audio signal (differ-
From UEM to Ear-
ential)
piece
Digital signal 1.8 V
From UPP to FM-
radio
Digital signal 1.8 V
From UPP to FM-
radio
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EXTWRX
J416
Flash memory write ena-
ble
EXTRDX
J417
Flash memory read enable
FLS2CSX
J418
2ndFlash memory chip
select
FLSCLK
J419
Flash memory clock
FLSCSX
J420
Flash memory chip select
RFBUSCLK
J501
HELGA control clock
RFBUSEN1
J502
HELGA chip select
RFBUSRST
J503
HELGA Reset
RFBUSDATA
J509
HELGA control serial
(60)
data
GND
J805
Ground (for module jig)
FMWrEn
J358
FM-radio write enable
FMClk
J359
Reference clock for FM-
radio, 32 kHz
SIMDATA
J386
SIM data
SIMRST
J387
SIM reset
SIMCLK
J388
SIM clock
VSIM
J389
Power supply for SIM
card
1.8V digital signal
1.8V digital signal
1.8V digital signal
Not used
35MHz digital clock signal
In burst mode
1.8V
1.8V digital signal
13MHz digital clock signal
From UPP to HELGA
1.8V
1.8V digital signal
From UPP to HELGA
1.8V digital signal
From UPP to HELGA
1.8V digital signal
From UPP to HELGA
Digital signal 1.8 V
From UPP to FM-radio
Digital signal 1.8 V
From UPP to FM-radio
Digital signal 1.8 / 3V
From / to UEM / SIM card
Digital signal 1.8 / 3V
From UEM to SIM card
3.25MHz digital clock signal
From UEM to SIM card
1.8 / 3V
1.8V or 3V
Depends on the SIM card
1+/
3DJH $
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