Radio Shack HTX-400 Service Manual page 11

3) Receiver Section
¨ ç RF Signal Generator
¨ è AF Level Meter
¨ é Distortion Meter
¨ ê DC Power Supply
¨ ë Sinadder Meter
¨ ì Oscilloscope
¨ í 16 Ohm 1w Dummy Load
3. ALIGNMENT PROCEDURE
1) PHASE LOOKED LOOP AND CPU SECTION
STEP SETTING
1 Frequency adjustment ;
Mode : Receive
Volume : Optional
Squelch : Optional
Frequency : 445.50MHz
2 CPU Voltage check ;
Mode : Receive
Volume : Optional
Squelch : Optional
Frequency : 445.50MHz
CONNECTION
Frequency counter
To output pin 4 of
Module 1
(Figure 1)
Connect DC Voltmeter.
to P40 of IC801
on CPU Board.
(Aligment Layout
CPU Section)
10
ADJUST ADJUST FOR
MODULE1 15.20MHz ¡ ¾ 1 00Hz
Indication on DC
Voltmeter must
be 3 ¡ ¾ 0.5V.