Level Diagram - Kenwood NX-5400 Service Manual
700/800mhz digital transceiver
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Also See for NX-5400:
- Common function reference (476 pages) ,
- Function reference (190 pages) ,
- User manual (80 pages)
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LEVEL DIAGRAM
Receiver Section
5
RF (Center Frequency)
- 119dBm
- 120dBm
- 121dBm
ANT
C544 L536 C540 Q530 C534 L530 C530
D350
D370
IC570
C352 D371
ANT
LPF
SW
C563 L556 C560 Q550 C554 L550 C550
4
- 121dBm
Transmitter Section
3
AF (1kHz)
12.5mVrms
11.6mVrms
INTM_M
IC906
Internal MIC(Main)
INTM_S
Internal MIC(Sub)
2
EMC
External MIC(Main)
SMIC
External MIC(Sub)
1
A
B
- 123dBm
- 109dBm
- 110dBm
- 112dBm
IC520
BPF
BPF
C520 IC500 C501 XF670 C676 Q670 C670 Q660 C638
RFAMP
SW
BPF
BPF
RFAMP
- 123dBm
- 109dBm
- 110dBm
To make measurements in the AF section, connect the AC level meter.
(ANT input: –53dBm, 1kHz FM, 3kHz DEV (Wide). 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)
180mVrms(793M)
190mVrms(825M)
IC902
IC702
IC902
Q160
C130
Q180
SSI
SSI
VCO
CODEC
CODEC
C
(No.RA016<Rev.001>) 2-6
1st IF (58.05MHz)
- 115dBm
- 116dBm
- 105dBm
- 102dBm
BPF
MCF
IFAMP
IFAMP
RX PLL
RF (Center Frequency)
- 9.1dBm
1dBm
- 15dBm
5 dBm
L186
C183
Q160
C188
L185
C300 IC300
Pre-
Doubler
Coupler
Drive1
To PLL IC
D
E
2-6 (No.RA016<Rev.001>)
AF (1kHz)
226mVp-p
IC702
IC902
C926
SSI
IF IC
IC600
C927
CODEC
C932
C933
7 dBm
17dBm
35.5dBm
C313
Q310
C322
Q320
C331
Q330
C347
Pre-
Drive
Final
Drive2
F
IC904
Internal Speaker
IC905
External Speaker
3W
ANT
C352
ANT
LPF
SW
G
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