Tuner Section Adjustments - Pioneer XC-L11 Service Manual

XC-L11
6.2 TUNER SECTION
AM Tuner Section
• There is no adjustment in the AM tuner.
FM Tuner Section
• Set the mode selector to FM BAND.
• Connect the wiring as shown in Fig. 1.
ANT. Input level and signal condition
Step Adjustment
Frequency
No. Title
T-METER
1
Adjustment
MPX SG
A
FM/AM TUNER MODULE
36
Input Level
Modulation
(MHz)
98 OFF
FM SG
FM75Ω antenna terminal
Fig.1 Adjustment Wiring Diagram
L201
IC201
SIDE B
Fig.2 Adjustment Point
Adjust
(dBµV)
point
Adjust L201 so that the DC voltage between Pin
80 L201
21 and Pin 23 of IC201 (Test point Vtm) gets
within 0 ± 50mV.
PRODUCT
pin 21 pin 23
Adjustment
Contents
DC
Voltmeter