Nokia 2650 - Page 273

Nokia Customer Care Schematics / Layouts 1eja_09a (original) and 1ejm_02a (updated) RH-53/54
Issue 2 06/2005 Copyright © Nokia 2005 Corporation. All rights reserved. Page A-9
Signal overview
12) RX I/Q at J600-J603
6) CBUSCLK at J406
16) TXP at C646
3) 26MHz at B600
8) CBUSEN at J408
1) SLEEPCLK at J404
17) FLASHCLK at J419
13) TXC GSM900 PL 19 at R620
18) TX GSM900 Lev. 5 at L605
14)TXC GSM900 PL 5 at R620
19)TX GSM1800 Lev. 0 at L609 20)RX GSM900 at L602/L603
21)RX GSM1800 at L610/L612
4) 32kHz at C209
5) 32kHz at C210
15) TX I/Q at R610/R611
9) RFBUSDA at J422
7) CBUSDA at J407
10) RFBUSCLK at J421 11) RFBUSEN at J423
Page 8(10) Signal overview
2) RFCLK at R420
VREFRF01=1.35V
VR6=2.8V
VR5=2.8V
VR1A=4.75V
VR1A=4.75V
VR3=2.8V
VR3=2.8V
VR2=2.8V
14
13
8
PURX=1.8V
V300
V306
V303
V302
V301
VIO=1.8V
15
16
VR7=2.8V
VR7=2.8V
VTX
VC1
VC2
BS
VR5=2.8V
RESETX
5
6
4
10
3
9
11
17
1
2
7
19
18
12
20
21
Customer Care EMEA / Service & Support Readiness / Training Group
Copyright © 2004 - 2005 NOKIA Only for training and service purposes
2650 RH-53
Board version: 1EJA_09a
Version: 4.0
1EJM_02a
10.06.2005
2651 RH-54