TH-D72A/D72E
52
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
12. DTMF
Deviation
Check [7.4V]
1) Frequency: 146.100MHz
K
145.100MHz
E
Linear detector (FM p-p/2)
LPF:
15kHz
HPF:
OFF
De-emphasis:
OFF
Transmission
AG
AF V.M
Power
meter
Ammeter
Linear
detector
Oscillo-
scope
ANT
MIC
Check
2.0kHz~4.2kHz
13. Protection
Check [7.4V]
1) Frequency: 146.100MHz
K
145.100MHz
E
444.100MHz
K
435.100MHz
E
ANT:
Open
Transmission
2.38A or less
14. MIC Sensi-
tivity
1) Frequency: 146.100MHz
K
145.100MHz
E
444.100MHz
K
435.100MHz
E
Linear detector (FM p-p/2)
LPF:
15kHz
HPF:
OFF
De-emphasis:
OFF
AG:
1kHz/8mV
Transmission
Linear
detector
Power
meter
Oscillo-
scope
AG
ANT
Check
2.2kHz~3.6kHz
Receiver Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. RX BPF
Tune Write
•
A-Band
Switch to Service Setup mode
and carry out the operations for
item M.
1) Frequency: 136.05MHz
SSG: (–100dBm) 2.2µV
Mode: FM (3kHz)
AF VR: 0.63V/8
Ω
SSG
Oscillo-
scope
Distortion
meter
AF V.M
ANT
SP
Tuning
control
[
X
]
Press [MONI] key
for writing.
Max RSSI value
2) Frequency: 145.95MHz
SSG: (–100dBm) 2.2µV
3) Frequency: 173.95MHz
SSG: (–100dBm) 2.2µV
4) Frequency: 410.05MHz
SSG: (–100dBm) 2.2µV
5) Frequency: 439.95MHz
SSG: (–100dBm) 2.2µV
6) Frequency: 469.95MHz
SSG: (–100dBm) 2.2µV