Download Print this page

Nokia 6310i Service Manual page 213

Hide thumbs Also See for 6310i:

Advertisement

PAMS Technical Documentation
5[ 6LJQDO SDWKV
7KH VLJQDO SDWKV RI WKH UHFHLYHU DUH VKRZQ LQ IROORZLQJ EORFN GLDJUDP 1RWH WKDW WKH SLF
WXUH VKRZV (*60 (*60 UHFHLYHU WRS  *60 3&6 UHFHLYHU PLGGOH DQG
*60 '&63&1 UHFHLYHU GRZQ 
SAW
INPL
RX
RX900
INML
GSM
TX
Ant
Swi
RX
SAW
tch
INPH
PCS
RX1900
INMH
TX
PCN
SAW
INPM
RX
RX1800
INMM
VANTL / VANTM / VANTH
3
$QWHQQD VZLWFK 5;7; 6ZLWFK
)URP WKH DQWHQQDSDG ; WKH 5) VLJQDO LV IHG WKURXJK WKH DQWHQQD FRQQHFWRU ;
WR WKH 5;7; VZLWFK =  7KH DQWHQQD FRQQHFWRU UHSUHVHQWV D PHFKDQLFDO VZLWFK
EHWZHHQ LQWHUQDO DQWHQQD DQG H[WHUQDO DQWHQQD IHHG
7KH 5;7; VZLWFK = ZRUNV DV GLSOH[HU (*60 LQSXW VLJQDOV SDVV WR *60B5[ RXW
SXW *60 LQSXW VLJQDOV SDVV WR 3&1B5[ RXWSXW RU 3&6B5[ RXWSXW GHSHQGLQJ RQ WKH
FRQWURO VLJQDO 9$17+ &RQW 
)URP 5;*60 RXWSXW RI WKH DQWHQQD VZLWFK WKH 5; VLJQDO LV URXWHG LQ WKH LQQHU OD\HUV
RI WKH 3:% WR WKH (*60 6$: ILOWHU =  )URP 5;'&6 RXWSXW WKH *60 5;
VLJQDO LV URXWHG WR WKH *60 6$: ILOWHU =  )URP 5;3&6 RXWSXW WKH 5;
*60 VLJQDO LV URXWHG WR WKH *60 6$: ILOWHU = 
7KH 5;7; VZLWFK ZLWK URXWHG OLQHV KDV IROORZLQJ W\SLFDO LQVHUWLRQ ORVVHV
G%#(*60 G%#*60 DQG G%#*)60
)URQWHQG
7KH 5; IURQW HQG LQFOXGHV WKUHH 6$: ILOWHUV (*60 =  *60 = 
*60 =  (DFK RI WKH 6$: ILOWHUV LV PDWFKHG ZLWK D GLIIHUHQWLDO PDWFKLQJ FLU
FXLW /&W\SH WR WKH FRUUHVSRQGLQJ /1$ LQSXW RI 0MRHOQHU 5) $6,& 1  7KH 6$: ILO
WHUV SURYLGH RXWRIEDQG EORFNLQJ LPPXQLW\ WKH LQWHJUDWHG /1$V SURYLGH WKH IURQWHQG
JDLQV (DFK RI WKH 6$: ILOWHUV KDV D VLQJOHHQGHG LQSXW DQG D EDODQFHG RXWSXW ZKLFK
SURYLGHV D EDODQFHG 5; VLJQDO WR WKH FRUUHVSRQGLQJ LQSXW RI WKH 0MRHOQHU 5) $6,&
,VVXH  $SULO 
VR6
VD
DR
XF
LNA
Bias
Pre-
LNA
gain
Pre-
LNA
gain
2
2
2
LNA
VDDDIG
1/2
1/4
RF
Controls
VDDRXBB
RF
Controls
1RNLD &RUSRUDWLRQ
VD
DR
XB
B
BBAMP
LPF1
BBAMP
LPF1
2
NPL-1
6 - Troubleshooting
Rx
supply
filter
BIQUA
D
DCN1
AGC
DCN2
LPF2
BIQUA
D
DCN1
AGC
DCN2
LPF2
Mjølner
3DJH 
VRX
VR4
RXIP
RXIM
RXQP
RXQM
VDDLO

Advertisement

loading