Nokia 5110 Manual Do Serviço

NSE–1

System Module UP8R

Original 02/98

3/A3–R10

(Version 15)

J102

FBUS_RX

power on

pulsed DC (0V/2.8V)

J103

MBUS

power on

pulsed DC (0V/2.8V)

J107

LGND

0V

J110

VPP

flash programming

nominal 5V (5V flash) or 3.0V

(3V flash)

J111

WDDISX

power on

reset state 0V, normal state 2.8V

J221

5V

flash programming

nominal 5.0V (5V flash) or 3.0V

(3V flash)

J222

DSPXF

power on

pulse active 0V, non–active 2.8V

J229

MAD selftest

test mode set externally

J230

MAD selftest

test mode set externally

J231

VSIM

SIM power on

nominal 2.8V (3V SIM card) or

5.0V (5V SIM card)

J232

VB (battery voltage in

baseband)

battery connected

nominal 3.6V (min 3.0, max 4.2)

J233

RFCLK

active state

typ. 1.0Vpp (min

0.5Vpp, max

2.0Vpp)

J234

VSRM

power on

nominal 5.5V (min 5V, max 6V)

CCONT switch

mode regulator

ripple voltage

J236

RAMSELX

active state

pulse active 0V, non–active 2.8V

J250

GND

0V

J252

COBBARSTX

power on

reset state 0V, normal state 2.8V

J253

COBBAWRX

active state

pulse active 0V, non–active 2.8V

J254

COBBARDX

active state

pulse active 0V, non–active 2.8V

J255

COBBACLK

active state

pulsed DC (0V/2.8V)

J502

Power control op.amp

output voltage to N550

( Vpd, pin )

power level depended

pulsed DC

J506

RFC ( 13 MHz sine-

wave )

0 V

typ. 1.0 Vpp min
0.5/max 2.0 Vpp

J510

VRX ( regulated supply

for RX )

2.8 V min 2.7 / max 2.85 V,

pulsed

J514

VTX ( regulated supply

for TX )

2.8 V min 2.7 / max 2.85 V,

pulsed

J516

VSYN_1 ( regulated

supply for VCOs)

2.8 V min 2.7 / max 2.85 V

J518

VREF_2 ( ref. voltage

for N500 )

1.5 V +/– 1.5%

J520

AFC ( autom. freq. cntrl

)

0 – 2.3 V, typ. 1.15 V ( room

temp. )

J522

VXO ( regulated supply

for VCTCXO )

2.8 V min 2.7 / max 2.85 V

J530

& J532

71 MHz IF input to

N620

–95 dBm @ X540

(ext. RF connector )

typ. ca. 1.2 V pulsed

typ 100 – 140

uVpp balanced

voltage at 71

MHz

J540

13 MHz output from

N620 to Z620

–95 dBm @ X540

(ext. RF connector )

RXC at level of full

calibrated gain

typ. ca. 1.5 V pulsed

typ. ca. 700

uVrms

J550 &

J552

116 MHz TX IF to N500

typ. ca. 1.1 – 1.2 V pulsed

typ. ca. 100

mVrms each

J562

RXC ( receive gain

control voltage )

RX gain setting depended

control range is 0.5 – 1.45 V,

,pulsed.

typ. 1.3–1.4 V for calibrated

maximum gain