Tuner Section; Am Tuner Section; Fm Tuner Section - Pioneer XV-DV88 Service Manual

XV-DV88, XV-DV77
QQ
3 7 63 1515 0

6.6 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
TE
L 13942296513
A
FM/AM TUNER UNIT
www
.
72
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Input Level
Modulation
(MHz)
98 OFF
FM SG
FM75Ω antenna terminal
Fig.1 Adjustment Wiring Diagram
L201
IC201
pin 21 pin 23
SIDE B
Fig.2 Adjustment Point
x ao
y
i
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8
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
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
Adjustment
Contents
DC
Voltmeter
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9