Level Diagram - Kenwood TK-5310 K4 Service Manual

TK-5310
Receiver Section
Mode : Wide
IC202&203
12dB SINAD (dBm) -122.9
Mode : Wide
IC304
C395
FM-IC
(mVrms) 184
IC304
FM-IC
Wide(mVrms) 143
Internal
Narrow(mVrms) 157
Wide(mVrms)
-
External
Narrow(mVrms)
-
To make measurements in the AF section, connect the AC level meter. (ANT input: -47dBm, 1kHz FM, 3kHz DEV (Wide), 1.5kHz DEV (Narrow))
In the RF section, use 1000pF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINAD without local level.)
Transmitter Section
Internal
MIC
Internal (mVrms) 15.0
External
MIC
External (mVrms) 15.0
RF (Center Frequency x2)
Q109
Attenuator
VCO
-2dBm -10dBm
Wide: AG is set to the MIC input becomes 3kHz DEV at 1kHz MOD.
Narrow: AG is set to the MIC input becomes 1.5kHz DEV at 1kHz MOD.
To make measurements in the AF section, connect the AC level meter.
In the RF section, use 1000pF coupling capacitor.
90

LEVEL DIAGRAM

RF (Center Frequency)
Q301
C270&271
C306
-123.6 -124.3 -115.8
IF2 (450kHz)
IC303
CF300 IC304
C396 C393
FM-IC
163 104
IC459 IC454 IC456 IC461
IC458
CODEC
210 88.5 340 333
229 97.5 371 364
- - - -
- - - -
IC705
IC452
Q455 Q454
15.1 14.3 13.0
13.8 96.9
Q200
Pre Pre
Q112
Drive Amp
D200
T/R SW
0dBm K,K2,K3: 10dBm
K4,K5,K6: 9dBm
IF1 (49.95MHz)
IC302 MCF Q302
C361 C370 C374
-113.0 -118.1
CF301
IC305
IC306
IC307
CF302
74.6
CF303
AF (1kHz)
IC702
IC462 IC705
IC701
DAC
IC703
83.5 83.1 530 527
83.7 83.1 533 530
- - 696 693
- - 685 682
AF (1kHz)
IC452 IC454 IC456
CODEC
Wide (mVrms)
269.5
Narrow (mVrms)
Wide (mVrms)
83.6 49.4
Narrow (mVrms)
RF (Center Frequency)
Q210
Q202 Q204
Pre
Drive Amp Final Amp
Drive Amp
Attenuator
20dBm 15dBm
19dBm 16dBm
IC304
C387
FM-IC
-112.0
IC304
C394
FM-IC
Internal SP
External SP
2000 -
2000 -
2700 2000
2700 2000
IC459 IC462
DAC
174.6
1030 588
86.7 IC463
362.5
183.8
91.4 182.5
IC202,IC203
SPDT
D202,D203
ANT_SW
LPF
37.5dBm
VCO
TCXO
CN204
CN205
36.0dBm 35.5dBm