![Nokia NHM-3 Series Troubleshooting Manual Download Page 24](http://html.mh-extra.com/html/nokia/nhm-3-series/nhm-3-series_troubleshooting-manual_1699294024.webp)
NHM-3
Trouble Shooting
PAMS Technical Documentation
3DJH
1RNLD0RELOH3KRQHV/WG
2ULJLQDO
5)LQJHQHUDO
7
K
L
V
S
U
R
G
X
F
W
L
V
D
'
X
D
O
E
D
Q
G
'
7
K
H
)LJXUH5))XQFWLRQ'LDJUDP
5)SDUWRIWKLVSURGXFWLVDGLUHFWFRQYHUVLRQWUDQVFHLYHU$OVRXVHGLQDQG
,QGLUHFWFRQYHUVLRQQRLQWHUPHGLDWHIUHTXHQFLHVDUHXVHGIRUXSRUGRZQFRQYHU
VLRQ7KH9&2LVVHWWRHLWKHUWZLFHRUIRXUWLPHVGHSHQGLQJRQWKHEDQGXVHGWKH
ZDQWHG5;RU7;)UHTXHQF\7KH9&2IUHTXHQF\LVGLYLGHGE\HLWKHURUDQGIHGWRWKH
PL[HUVGRZQFRQYHUVLRQRUPRGXODWRUVXSFRQYHUVLRQ8SRUGRZQFRQYHUVLRQLV
GRQHLQRQHVWHSGLUHFWO\EHWZHHQ5)IUHTXHQF\DQG'&$OOXSDQGGRZQFRQYHUVLRQ
WDNHVSODFHLQWKH5),&QDPHG+DJDU1+DJDUDOVRFRQWDLQV3//DQGD'&FRQWURO
VHFWLRQXVHGWRSRZHUDQGRUFRQWURO/1$V7;EXIIHUV'HWHFWRUDQG5;7;DJDU
LVFRQWUROOHGYLDDVHULDOEXV&75/
64/65
NDIV
ADIV
ϕ
charge
pump
RDIV
CTRL
SDATA
SCLK
SLE
1/4
1/2
2
OSC_IN
OUT_CP
2
2
2
2
1/2
1/4
2
2
44
4
4
TXI_0/TXI_180
DET
loop
filter
VCO
AFC
26MHz
INP_P_RX
INM_P_RX
RX/TX Switch
RX
RX
TX
TX
INP_G_RX
INM_G_RX
OUTP_P_TX/
OUTM_P_TX
OUTP_G_TX/
OUTM_G_TX
DNC2
DNC2
RX Filter
Calibration
2
2
2
2
TXQ_0/TXQ_180
2
2
RXQ
RXI
OU
T_
BB
1_I
OU
T_
BB
1_Q
I_DCN2
_I
I_DCN2
_Q
C1_B
B1_I
C2_B
B1_I
C2_B
B1_Q
C1_B
B1_Q
Cp_f
_I
Cm
_f_I
Cp_f
_Q
Cm
_f_Q
Cp_dt
os_I
Cm
_dtos_I
Cp_dt
os_Q
Cm
_dtos_Q
Last edit 15:24 14.03.00
Open collector
Open collector
0-40dB
BB_Gain
0-40dB
BB_Gain
DtoS
DtoS
BIQUAD
BIQUAD
GSM
PCN
VRF_RX
VBATTRF
VDIG
VPRE
VCP/GND_CP
2
VLO
Reset
RF TEMP
SENSOR
RFTEMP
PWC
DET
TXP
TXC
Vpc
trl_
fb
Vpc
trl_
g
Vpc
trl_
p
INP_LO/INM_LO
GNDRF_TX
VBB
VREF_RX
VB_EXT
RB_EXT
RF
Controls
8 / 18 dB
8 / 18 dB
1/2
TOUT
0dB
P
C
N
D
I
P
L
E
X
E
R
E
G
S
M
SAW
SAW
SAW
SAW
LNA
LNA
PA
Driver
Dir. Coupler
Hagar
V
V
HAGAR
V
B
TXQ_0/T
TXI_0/
2
2
R
GND_BB / GNDRF_RX / GND_LO / GND_PRE /
GND_CP / GND_DIG / GND_RX
VF_RX
Driver
3dB
2
HW_ID
(Only present for one RX SAW filter vendor)
An
tenna connect
or
LNA_P
LNA_G
LNAB_D
LNAB_G
V_ANT_1/
V_ANT_2 2
VTX_B_O
VTX_B_P
VTX_B_G