Kenwood TS-2000 Service Manual page 165

CONTROL UNIT (X53-391)
AF 1kHz TIF 12kHz
100mVp-p
5mV 112mVp-p 81mVp-p
IC515
IC516
IC535 IC529 IC524
MIC DSP 6 1
1
IC523 IC518 IC6
Measurement condition (TX-RX 1 unit)
Frequency : 14.2MHz
MIC input : 1kHz/5mV
Output power : 100W (HF, VHF), 50W (UHF)
MIC level : ALC zone maximum
Audio frequency section is measured by the AF voltmeter or oscilloscope.
Radio frequency section is measured by the RF voltmeter or oscilloscope.
The value in parentheses ( ) for the final unit (X45-360 B/2) is a reference value.
Measurement condition (TX-RX 2 unit)
Frequency : 144MHz (VHF), 438MHz (UHF)
MIC input : 1kHz/5mV
Output power : 100W (VHF), 50W (UHF)
MIC level : ALC zone maximum
Measure the power using the RF voltmeter.
Measurement condition (TX-RX 3 unit)
Frequency : 1270MHz
MIC input : 1kHz/5mV
Output power : 10W
MIC level : ALC zone maximum
Measure the voltage or power using the oscilscope or spectrum analyzer.
231
TS-2000/X
LEVEL DIAGRAM (TX SECTION)
TX-RX 1 UNIT (X57-605 A/9)
10.595MHz
100mVp-p 19mVp-p 240mVp-p
41mVp-p 130mVp-p 30mVp-p
Q49
Q54
D84
Q711
XF9
L105
L109 L108
10.595MHz
–20.6dBm
Q46
CN18
TIF
L91
Q47
10.595MHz
70mVp-p
CN5
12TIF
Q304
TS-2000/X
68.985MHz
45mVp-p 280mVp-p 440mVp-p
78mVp-p 50mVp-p 91mVp-p
Q46 Q44
L98
Q48 L95
D82
L102 L96
Q47 Q45
CN11 CN49
12TIF TIF
TX-RX 2 UNIT (X57-606 A/11)
41.795MHz 144MHz or 438MHz
–5dBm –16dBm –5dBm –20dBm 0dBm –15dBm
XF3 D54 Q17 Q26 IC3
1
–17dBm –7dBm –13dBm
Q20
Q18
TX-RX 3 UNIT (X57-607)
135.395MHz
600mVp-p 1.2Vp-p
750mVp-p 370mVp-p 480mVp-p
Q1
Q3
L320
L5
L321
L2
XF2
Q2
232
FINAL UNIT (X45-360 A/2)
14.2MHz
450mVp-p 430mVp-p 2.5Vp-p 6.0Vp-p
140mVp-p 450mVp-p 1.4Vp-p
Q3
Q43 Q1
Q2
CN14 CN1 L11
L7
HFTX HFTX
Q4 VHF
CN2
14TX
FINAL UNIT (X45-360 B/2)
+3.5dBm (1.4W) (7W)
CN4
14TX
Q901 Q902 Q903
CN3
43TX
5
CN901
43TX
+3.6dBm
1270.2MHz
400mVp-p
210mVp-p 3.0mW
IC1 Q5
1 4
MIX
L7,8 L10 L12
L9
D1
FILTER UNIT
(X51-315)
35Vp-p
4.5Vp-p 230Vp-p
Q6
HF/
50MHz CN4
HFPIN
L18 HF/50MHz
ANT
50W
CN4
L13
HFPO
Q7
11Vp-p 36Vp-p 250Vp-p
Q101
14PIN VHF
ANT
100W
CN803
14PO
Q102
(20W) (65W)
Q905
LPF
UHF
ANT
50W
10mW (1W) (13W)
IC2 IC3
12ANT
1 5 1 5
10W