A
1
2
3
4
5
B
C
D
E
F
G
(No.RA020<Rev.002>) 2-12
2-12 (No.RA020<Rev.002>)
LEVEL DIAGRAM
RF (Center Frequency)
1st IF (49.95MHz)
AF (1kHz)
D310
ANT
D311
IC719
D312
C372 D313 C562
C548
Q502
C545
C521
IC500 C500 XF600 C663 Q604 C658 Q603 C653
IC706
IC902
C927 IC903
SSI
RFAMP
MCF
IFAMP
IFAMP
IC600
RX VCO/PLL
C944 IC911 C969
To make measurements in the AF section, connect the AC level meter.
(ANT input: –53dBm, 1kHz FM, 3kHz DEV (Wide). SP output: 4W@4ohm Load)
In the RF section, use
1000
pF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINAD.)
AF
AF (1kHz)
(1kHz)
RF (Center Frequency)
IC902
IC706
IC902
ANT
L134
C150
Q107
C189
L135
C304
IC300
C312
Q300
C334
IC302
C350
C372
MIC
SSI
SSI
To PLL IC
* Transmit frequency :
155
MHz
LPF
ANT
BPF BPF BPF
IFIC
CODEC
-122
dBm
-123
dBm
-124
dBm
-114
dBm
-116
dBm
-119
dBm
-106dBm
-113.5dBm
141mVrms
CODEC CODEC
VCO
Coupler Drive
Final LPF
ANT
5mVrms
0
dBm
0.35
dBm
14
dBm
17
dBm
48dBm(K,F)
45dBm(E)
50W(K,F)
25W(E)
VOL
116mVrms
28.8mVrms
47.8dBm(K,F)
44.8dBm(E)
Pre-
Drive
115.2mVrms
Receiver section
Transmitter section
Summary of Contents for NX-5700
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