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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