Test Signalling - Kenwood TKR-851 Service Manual

TKR-851
ATTEN 20dB
RL 10.0dBm 10dB/
MKR
465.00MHz
2.5MHz 2.5MHz
D
–26.17dBm
G
CENTER 465.00MHz
RBW 300kHz * VBW 300kHz
BPF center frequency (Factory-default)
K : 465MHz, E : 455MHz
Fig. 1
Adjustment Points
CN8 GND CN6 MAIN DC
(BLACK) (RED)
CN7 BACKUP
(ORANGE)
CHARGE
CN4
2
1
CN5
L2
CN18
L19
CN15
CN4
L18
L24
PSW
TX-RX UNIT (X57-696) (A/2)
Component side view
38
ADJUSTMENT
ATTEN 10dB
MKR –26.17dBm
RL –32.0dBm
465.00MHz
MKR
25.00kHz
D
–42.17dB
3dB Max.
G
CENTER 44.85000MHz
SPAN 50.00MHz
RBW 300Hz
SWP 50ms
MCF : Wide
FINAL UNIT (X45-374) (A/2)
Component side view
Q5
Q4
TH1
CN1
TX IN
VR1
CN3
L4 L5
TP102
TX CV
CN1
L16
L15
CN2
NARROW
WIDE
L14
TP101
L17
RX CV
CN3
MKR –42.17dB
25.00kHz
10dB/
3dB Max.
5.5~7.5kHz 5.5~7.5kHz
More than
40dB
25kHz
SPAN 50.00kHz
* VBW 1.0kHz SWP 2.0sec
Fig. 2
ANT
CN16
CN19
TC350 (VCO A)
A2 : TX VCO (X58-481)
TC350 (VCO A)
A3 : RX VCO (X58-480)
TC351 (VCO B)
ATTEN 10dB
RL –32.0dBm 10dB/
More than More than
3dB Max. 3.75kHz 3.75kHz
MKR
15.00kHz
D
–46.000dB
G
CENTER 44.85000MHz
RBW 300Hz * VBW 1.0kHz
MCF : Narrow
Fig. 3
Test Channel (Default)
No. K
RX TX
1 450.10 450.00
2 465.10 465.00
3 479.90 480.00
4 455.10 455.00
5 460.10 460.00
6 470.10 470.00
7 475.10 475.00
8 462.60 462.50
9 467.60 467.50
10 440.10 440.00
11 459.90 460.00

Test Signalling

No. Decode tone
1 None None
2 None 100Hz square wave
3 QT 67.0Hz QT 67.0Hz
4 QT 151.4Hz QT 151.4Hz
5 QT 210.7Hz QT 210.7Hz
6 QT 250.3Hz QT 250.3Hz
7 DQT 023N DQT D023N
8 DQT 754I DQT D754I
9 None CW ID Encode [ID=VVV]
10 None Single Tone [1000Hz]
11 DTMF 159D DTMF 159D
12 None DTMF Tone 9
13 None Courtesy Tone
14 None Battery Warning Tone
15 None Battery Operation Tone
16 5-Tone [12345] (CCIR) 5-Tone [12345] (CCIR)
MKR –46.000dB
15.00kHz
More than
40dB
15kHz
SPAN 50.00kHz
SWP 2.0sec
E
RX TX
440.10 440.00
455.10 455.00
469.90 470.00
445.10 445.00
450.10 450.00
460.10 460.00
465.10 465.00
452.60 452.50
457.60 457.50
459.90 460.00
479.90 480.00
Encode tone