Adjustment; Tuner Section - Pioneer XV-HTD50 Service Manual

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6. ADJUSTMENT

6.1 TUNER SECTION

A
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.
Step Adjustment
B
No. Title
T-METER
1
Adjustment
C
G
D
E
F
80
1
2
ANT. Input level and signal condition
Frequency
Modulation
(MHz)
98 OFF
MPX SG FM SG
FM75Ω antenna terminal
Fig.1 Adjustment Wiring Diagram
FM/AM TUNER MODULE
L201
IC201
Fig.2 Adjustment Point
2
3
Input Level Adjust
(dBµV)
point
L201
80
PRODUCT
pin 21 pin 23
SIDE B
XV-HTD50
3
4
Adjustment
Contents
Adjust L201 so that the DC voltage between
Pin 21 and Pin 23 of IC201 (Test point Vtm)
gets within 0 ± 50mV.
DC
Voltmeter
4