TK-372G
44
ADJUSTMENT
6. Squelch(Tight) 1) Adj item [SQL9]
Adjust to the
Adjust
Adjust [
∗∗∗
]
squelch
[Wide]
Wide:-117dBm (0.3
µ
V)
Narrow:-116dBm (0.35
µ
V)
7. Squelch
[Panel Test Mode]
Check
Squelch must
Check
1) CH-Sig:1-1
be opened.
SQ Level : [SQL5]
SSG OUT:
-118dBm (0.28
µ
V)
2) SSG OUT:OFF
Squelch must
be closed.
Item
Condition
Measurement
Adjustment
Specifications/
Test equipment
Terminal
Parts
Method
Remark
Adjustment points TX-RX unit (X57-588)
Component side view
Foil Side View
VR1 : Frequency adjustment
TC1 : Transmit lock voltage adjustment
TC2 : Receive lock voltage adjustment
TC301 :
TC302 :
Band-pass filter waveform adjustment
TC303 :
BPF : Band-pass filter test point
CV(LV) : Lock voltage adjustment terminal.
Fig. 2 Adjustment points
}
MIC
MIC
SP
IC14
C13
BPF
CN3
ANT
VR1
IC12
LV
CV
TC301
TC302
TC303
TC1
TC2
Battery terminal
BPF
ANT
MIC
SP