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T401
T402
TP3
T4 03
T301
T404
T405
T406
T407
T408
TX OUT
D302
D303
Q305
TC 3 07
TC306
TC304
TC302
TC303
T
TC308
C305
TP4
1302
TP2
SM111.4: •
KWH:.
•
TP1
D324
TC309
TC301
Q312
PLL CONTROL UNIT
As this unit requires no alignment, trouble in this
unit should be referred to a qualified technician for
fault detection and parts replacement. This unit is
highly sophisticated, and any attempt to service
it without the proper knowledge is discouraged.
TONE SQUELCH UNIT (OPTION)
The optional tone squelch unit has been preset to
77 Hz center frequency at the factory. However,
the frequency can be set to any frequency between
70 Hz and 250 Hz by referring to Table 2, located
on page 15 , and by adjustment of VR5o4.
The tone output level adjustment is made at VR502.
ALIGNMENT POINTS
Q504
Q 502
VR
502
Q501
Q 505
Q 503
VR 504
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