Uniden Trucker PTC104 (UT-332Z)
Documentation Project

CBTricks.com

ALIGNMENT PROCEDURES

ALIGNMENT OF PLL

Test Equipment Required

Power Supply: 13.8VDC

TP6: Probe Ground

Oscilloscope

DC Voltmeter

Preparation for Alignment

PA/CB

: CB

CH9/OFF

: OFF

Alignment Procedure

 

Step

Preset to

Adjustment

Remarks

1

RX 19CH

L22

Connect the oscilloscope to TP1. Adjust L 22 for maximum reading on the oscilloscope.

2

TX 40CH

L17

Connect the Dc voltmeter to TP2. Adjust L 17 for 3.2 ± 0.1V reading on the DC voltmeter.

3

RX 1CH

-

Check if the voltage is 0.8V at TP2.

 

Before step 1 start, should be locked C99,C104, C10Sand C106.
After the alignment, lock L17 using wax.

Test Equipment Connection

 

ALIGNMENT OF RECEIVER

Test Equipment Required

Power Supply: 13.8VDC

Oscilloscope

S.S.G.: 1 kHz, 30%, 19 CH

AC Voltmeter

AF Scope

Preparation for Alignment

NB/ANL/OFF: OFF
RE Gain: Max. (CW)
PA/CB: CB
Squelch: Min.(CCW)
CH9/OFF: OFF
Volume: Max. (CW)

Alignment Procedure

Step

Preset to

Adjustment

Remarks

1

RX 19CH

L2-7,16 and 23

Connect the AC voltmeter to speaker. Adjust coils for maximum reading on the AC voltmeter. (Keep S.S.G. level to meet AF standard output power or slightly less power.)

2

RX 19CH Squelch Max.(CW) SSG:66dB

VR 1

Adjust VR 1 so that just appear AF level.

3

RX 19CH SSG:46dB Non Mod.

VR2

Adjust VR2 so that just indicated to "SIG9”

4.

RX 18CH NB/ANL SW: NB/ANL

L1

Connect the oscilloscope to TP5. Adjust L1 for maximum reading on the oscilloscope.

 

Test Equipment Connection

 


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