Signal Overview - Nokia 6131 Service Schematics

1) 32 kHz at C2208 2) RFCLK at J2851
5) RFCLKEXT at C6032 6) CBUSCLK at J2206
9) RFBUSCLK at J2833 10) RFBUSDA at J2834
13) SMPSCLK at J2308 14) VSIM at C2212
17) SIMIOC at J2215 18)
CAMERACLK at R3314
21) 22)
RXIQ GSM 900 at J2828-J2831 RX at L7500, L7501, L7504, L7505
25) 26)
TXC GSM900 PL5 at L7011
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Confidential - Copyright © 2006 NOKIA Only for training and service purposes
3) SleepCLK at J2217 4) VCTCXO 38.4 MHz at R6014
7) CBUSDA at J2207 8) CBUSENX at J2209
11) RFBUSENX at J2835 12) AUDIOCLK at J2200
15) SIMCLK at J2213 16) SIMDA at J2214
19) CAMERASCL at J2804 20) CAMERASDA at J2803
23 ) TX at R7510, R7523 24 ) TXC GSM900 PL19 at L7011
27 ) 28 )
Version: 1.0
VBAT 4V
VREF 1.35V
24 25
22
23
VBAT_PA 4V
22
11 9
VOUT 2.5V VBUS 5V
10 21 2
19
VCORE 1.4V
13
8
20
6
14
7
3
VSIM2 1.8/3V
12
VRFC 1.8V
15
VANA 2.5V
16
17
1
VMMC 2.8V
RM-115 / RM-126 Board version: 1oaa_50
05.04.2006
VLEDOUT1 14V
VRCP1 4.7V
VRCP2 4.7V
VAUX 2.8V
VIO 1.8V
VR1 2.5V
VDRAM 1.8V
VSIM1 1.8V/3V
4
5

Signal overview

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