Measurements And Adjustments; Tuner Section - Panasonic RX-ES29EE Service Manual

13 Measurements and Adjustments

13.1. Tuner Section

1. Set selector switch to AM or TAPE.
2. Set volume level to 40.
3. Output of signal generator should be no higher than necessary to obtain an output reading.
· AM-RF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Fashion a loop of several
turns of wire and radiate
signal into loop of receiver.
Fashion a loop of several
turns of wire and radiate
signal into loop of receiver.
[*1] Fix antenna coil with wax after completing alignment.
· FM-RF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Fashion a loop of several
turns of wire and radiate
signal into loop of receiver.
READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
Radio Dial Setting
Frequency
594 kHz Point of non-
interference
(on/about 600 kHz)
1503 kHz Point of non-
interference
(on/about 600 kHz)
Radio Dial Setting
Frequency
87.5 MHz Point of non-
interference
(on/about 600 kHz)
Indicator (Electronic
Voltmeter or
oscilloscope)
Headphone Jack (32Ω)
Fabricate the plug as
shown in Fig. 2 and
then connect the lead
wires of the plug to the
measuring instrument.
Headphone Jack (32Ω)
Fabricate the plug as
shown in Fig. 2 and
then connect the lead
wires of the plug to the
measuring instrument.
Indicator (Electronic
Voltmeter or
oscilloscope)
Headphone Jack (32Ω)
Fabricate the plug as
shown in Fig. 2 and then
connect the lead wires of
the plug to the measuring
instrument.
37
Adjustment Remarks
(Shown in Fig.1)
[*1] L3 (AM ANT Adjust for
coil) maximum output.
CT1 (AM ANT Adjust for
Trimmer) maximum output.
Adjustment Remarks
(Shown in Fig.1)
[*1] L4 (AM IFT) Adjust for
maximum output.
RX-ES29EE