
TKR-850
42
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
ADJUSTMENT
18. RD outut
1) Connect SSG to RX ANT.
SSG
Rear
RX ANT
PC adj.
±
5mV
level
CH : 2 (Wide)
80mV
(Wide)
SSG output : –53dBm/501
µ
V
DVM
CONTROL
SSG MOD : 1kHz
I/O jack
SSG DEV : 3.0kHz
RD (pin 10)
4.7k
Ω
load
(Narrow)
2) CH : 2 (Narrow)
SSG output : –53dBm/501
µ
V
SSG MOD : 1kHz
SSG DEV : 1.5kHz
19. RA outut
1) Connect SSG to RX ANT.
SSG
Rear
RX ANT
PC adj.
±
20mV
level
CH : 2 (Wide)
400mV
(Wide)
SSG output : –53dBm/501
µ
V
DVM
CONTROL
SSG MOD : 1kHz
I/O jack
SSG DEV : 3.0kHz
RA (pin 11)
4.7k
Ω
load
(Narrow)
2) CH : 2 (Narrow)
SSG output : –53dBm/501
µ
V
SSG MOD : 1kHz
SSG DEV : 1.5kHz
20. Maximum
1) Connect AG to the MIC terminal. MOD ANA Rear
TX OUT
PC adj.
±
0.1kHz
deviation
Low CH (TX VCO low)
or
4.1kHz
(Wide)
Center CH (VCO center)
Deviation
High CH (TX VCO high)
meter
Deviation meter filter
Oscilloscope
HPF : OFF
LPF : 15kHz
AG
Front
MIC
De-emphasis : OFF
AF VTVM
AG : 1kHz/50mV (Terminal load)
Transmission
(Narrow)
2) Low CH (TX VCO low)
PC adj.
±
0.1kHz
Center CH (VCO center)
2.05kHz
High CH (TX VCO high)
Transmission
Note :
After adjustment of the “Max. Deviation”, be sure to check the “DQT balance”.
21. DQT
1) CH : 2
MOD ANA Rear
TX OUT
PC adj.
Oscilloscope DC range
balance
Deviation meter filter
or
Make the de-
flat “A” part
(Wide)
HPF : OFF
Deviation
modulated waves
LPF : 3kHz
meter
into square waves.
De-emphasis : OFF
Oscilloscope
Transmission
(Narrow)
2) CH : 2
Transmission
22. QT
1) CH : 2
TX ANT
PC adj.
±
0.05kHz
deviation
Deviation meter filter
0.75kHz
(Wide)
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Detector : p-p/2
Transmission
(Narrow)
2) CH : 2
PC adj.
±
0.05kHz
Transmission
0.35kHz
A
A