Nokia 7600 Troubleshooting Manual page 30

NMM-3
6-Troubleshooting
Signal Ref Test point
FBUSRXI 302 J313
FBUSTXI 303 J314
MBUSRX 304 J315
MBUSTX 305 J316
OSCIN 200 C211
OSCOUT 201 C210
VBAT 202 J202
BSI 203 J203
BTEMP 204 R211
VTIKU 205 C203
VANA 206 C208
VFLASH1 207 C208
VAUX2 208 C207
VCORE 209 C207
VIO 210 C206
VSIM 211 C206
PAOUTP 212 R227
PAOUTN 213 R228
VIBRA 214 X207
VR1A 215 C241
VR1B 216 C236
VR2 217 C234
VR3 218 C235
VR4 219 C233
VR5 220 C235
VR6 221 C234
VR7 222 C233
SMPSCLK 223 J201
Page 6-30
Company Confidential
Function
Flash programming data
and phone control
Flash programming data
and phone control
Flash programming clock 1.8V digital signal
ACI data bus between
UEME and TIKU
Real Time Clock crystal in 32.768KHz
Real Time Clock crystal
out
Battery voltage
Battery size indicator
Local mode indicator SIM
removal Indicator Flash
programming start signal
Battery temperature indi-
cator
TIKU core supply voltage
UEME internal analog
supply
LDO regulator
Accessory supply
Camera digital supply
I/O supply
Programmable SIM card
supply
Handsfree speaker posi-
tive
Handsfree speaker nega-
tive
Pulsed vibra drive voltage Vbat Off
GSM / WCDMA RF supply 4.75V
WCDMA Tx supply
GSM / WCDMA Tx supply 2.78V
TCXO supply
GSM / WCDMA Rx supply 2.78V
GSM / WCDMA Rx supply 2.78V
WCDMA Rx VCO supply
GSM VCO supply
VTIKU regulator mode
select
Copyright  2003 Nokia Corporation
Company Confidential
CCS Technical Documentation
Characteristic
1.8V digital signal
1.8V digital signal
1.8V digital signal
32.768KHz
3.2V - 4.2V
1.2V in normal mode
0.09V in local mode
If BSI line rises >2.1V,
2.78V BSI pulse
~0.9V at 25ºC
1.5V
2.78V
2.78V
2.78V
1.8V
1.8V
1.8V or 3.0V
Vbat/2 + signal
Vbat/2 - signal
~Vbat - 1.5V On
4.75V
2.78V
2.78V
2.78V
2.8V active mode
0V sleep mode
Note
From UEME to TIKU
From TYIKU to UEME
From UEME to TIKU
Bi-directional
To UEME A/D converter
Voltage determind by SIM
type
When active
When active
Issue 1 (11/2003)