Radio Shack Realistic PRO-34 Service Manual page 12

RF Amp Alignment
VHF LO Band
Step Control Setting
Test Instrument
Adlust Remarks
Connection
OFF/ VOLUME Contral: Connect instruments shown T101
1 ) Select channel 2 and ad-
ON as Fig.3. T102
just T101 and T102 for
SQUELCH Control: CCW SWEEP GENERATOR maximum RF waveform.
6
Select channel 1 through 3. 30-54 MHz. 2) Check channel 1 thraugh
See Table 1. 3 for maximum output.
A slight deviation as FigA
is acce otable.
VHF AIR Band
Step Control Setting
Test Instrument
Adlust Remarks
Connection
OFF/ VOLUME Control: Same as Step 6 SWEEP T103
1 ) Select channel 5 and ad-
ON GENERATOR 108-174 T105 lust T1 03 and T1 05 for
SQUELCH Control: CCW MHz.
maximum RF output.
7
Select channel 5 through 6.
2) Check channel 4 through
See Table 1.
6 for maximum RF output.
A slight deviation as Fig.5
is acceptable.
VHF Hl Band
Step Control Setting
Test Instrument
Adlust Remarks
Connection
OFF/ VOLUME Control: Same as Step 6. SWEEP T104 1)
Select channel 7 and ad-
ON GENERATOR T106
lust T104 and T106 for
SQUELCH Control:
CCW 136.0005-174 MHz. maximum RF waveform.
8 Select channel 7 thraugh 9.
2)
Check channel 7 through
See Table 1.
9 for maximum RF output.
A slight deviation as Fig.6
is acceptable.
UHF LO Band
Step
controt Setting
Test Instrument
Adlust Remarks
Connection
OFF/ VOLUME Contral: Same as Step 6 SWEEP TC101 1) Select channel 10 and
ON GENERATOR 380-512 TC102 adlust TC1 01, TC102 and
SQUELCH Control. CCW MHz. TC104
TC 104 for maximum RF
9
Select channel 10 thraugh
output.
12.
2)
Check channel 10 through
See Table 1.
12 tor maximum RF out-
put. A slight deviation as
Fi .7 is acce otable,
UHF Hl band: No adjustment requlred.
-12 -