Level Diagram - Kenwood TK-5210 K Service Manual

TK-5210
Receiver Section
Mode : Wide
IC102&103
12dB SINAD (dBm) -122.9
Mode : Wide
IC204
C241
FM-IC
184
(mVrms)
IC204
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)
Q313
IC304
VCO Pre Scaler
-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.
78

LEVEL DIAGRAM

RF (Center Frequency)
Q202
C158&159
C204
-123.6 -124.3
IF2 (450kHz)
IC203
CF201 IC204
C257 C292
FM-IC
163 104
AF (1kHz)
IC409 IC406 IC409 IC411
IC408
CODEC
DAC
210 88.5 340 333 83.5
229 97.5 371 364 83.7
- - - -
- - - -
IC603
IC405
Q410 Q407
15.1 14.3 13.0
13.8 96.9
Q101
Pre Pre
Q314
Drive Amp
D101
T/R SW
0dBm 8dBm
IF1 (49.95MHz)
IC202 MCF Q204
C230 C246 C250
-115.8 -113.0 -118.1
CF202
IC205
IC206
IC207
CF204
CF203
IC601
IC604
IC603
IC408
IC602
IC604
83.1 530 527 2000
83.1 533 530 2000
- - 696 693 2700
- - 685 682 2700
AF (1kHz)
IC405 IC406
CODEC
Wide (mVrms)
269.5
Narrow (mVrms)
Wide (mVrms)
83.6 49.4
Narrow (mVrms)
RF (Center Frequency)
Q102
Q103
Pre
Drive Amp Final Amp
Drive Amp
3dB
Attenuator
17.5dBm 14.5dBm
IC204
C261
FM-IC
-112.0
IC204
C293
FM-IC
74.6
Internal SP
External SP
-
-
2000
2000
IC407 IC409 IC411
DAC
174.6
1030 588
86.7 IC412
362.5
183.8
91.4 182.5
IC102,IC103
Q105
SPDT
D106,D107
ANT_SW
LPF
38.0dBm 37.5dBm
VCO
TCXO
CN101
CN102
37.0dBm 36.4dBm