M2000-00
Tuning & Adjustment
6.3
Copyright TEL 31/12/97
6.2 Tuning & Adjustment Points
The following table lists tuning and adjustment points, and Figure 6.1 shows their posi-
tion on the RF and TCXO/Tx audio PCBs.
The PCB layouts in Section 7 have all relevant logic PCB test and adjustment points
marked.
Table 6.1 Tuning & Adjustment Point
Tuning/Adjustment Point:
Designator Function Location
RV153 internal squelch control
RF PCB
RV222 dual point modulation control
RV324 high power control
CV212
x4 multiplier
(only used in T2000-800)
L104 to L106
front end tuning
(not used in T2000-800)
L114 & L116 IF tuning
L119 quad coil
L203
x3 /x4 multiplier
(not used in T2000-200)
RV906 CTCSS deviation control
TCXO/Tx audio PCBRV907 deviation control
RV923 frequency control
RV507 low power control
logic PCB
#RV508
T2010, T2015 & T2020:
signalling adjust (not fitted as standard)
#RV599
T203X, T2040, T2050 & T2060:
FFSK adjust
Test Po int s:
Designator Function Location
TSP901 dual point modulation test point TCXO/Tx audio PCB
TP601 Rx audio (detected)
logic PCB
TP602 Tx CTCSS
TP603 Rx CTCSS
TP604 Rx audio
TP605 Tx audio
TP606 ALC audio
TP607 pre-amp output
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