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LEVEL DIAGRAM
Receiver section
5
RF (Center Frequency)
-119dBm
-121.5dBm
ANT
D350
D370
C352 D371 C549
ANT
LPF
BPF
SW
4
3
Transmitter section
AF (1kHz)
12.5mVrms
2
INTM_M
IC906
Internal MIC(Main)
INTM_S
Internal MIC(Sub)
EMC
External MIC(Main)
SMIC
External MIC(Sub)
1
A
B
-122dBm
-112dBm
-110dBm
C541 Q530 C533
C511 Q500 C558 XF670 C676 Q670 C670 Q660 C660
BPF
RFAMP
RX PLL
To make measurements in the AF section, connect the AC level meter.
(ANT input: –53dBm, 1kHz FM, 1.5kHz DEV (Narrow). SP output: 500mW@8ohm Load)
In the RF section, use 470pF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINAD.)
AF
(1kHz)
f1:173mVrms
f2:123mVrms
11.6mVrms
IC902
IC702
IC902
C130
SSI
SSI
CODEC
CODEC
C
(No.RA015<Rev.001>) 2-6
1st IF (49.95MHz)
-116dBm
-105 dBm
-102dBm
BPF
IFIC
MCF
IFAMP
IFAMP
IC600
RF (Center Frequency)
f1:-4dBm
f1:-7dBm
f1:+7dBm
f2:-2dBm
f2:-10dBm
f2:+5dBm
Q160
L186
Q180
C183
L185
C304
IC300
C313
Pre -
VCO
Coupler
Drive1
To PLLIC
f1: F2,F3,K2,K3 (Center frequency: 485MHz)
f2: F5,F6,K5,K6 (Center frequency : 425MHz)
D
E
2-6 (No.RA015<Rev.001>)
AF (1kHz)
226mVp-p
IC702
IC902
C926
IC904
SSI
C927
CODEC
C932
IC905
C933
f1:+18dBm
f1:+20dBm
f1:+37.8dBm
f2:+12dBm
f2:+25dBm
f2:+37.8dBm
Q310
C322
Q320
C330
Q330
C347
Pre -
ANT
Drive
Final
SW
Drive2
F
Internal Speaker
External Speaker
5W
ANT
C352
LPF
G
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