VSX-D912-S
64
1
2
3
4
1
2
3
4
C
D
F
A
B
E
6. ADJUSTMENT
6.1 TUNER SECTION
MPX SG
FM SG
PRODUCT
DC
Voltmeter
L201
IC201
pin 21 pin 23
FM/AM TUNER MODULE
W
SIDE B
Step
No.
Adjustment
Title
ANT. Input level and signal condition
Adjustment
Input Level
(dB
µ
V)
Adjust
point
Contents
Frequency
(MHz)
Modulation
1
T-METER
Adjustment
98
OFF
80
L201
Adjust L201 so that the DC voltage between
Pin 21 and Pin 23 of IC201 (Test point Vtm)
gets within 0
±
50mV.
AM Tuner Section
• There is no adjustment in the AM tuner.
FM75
Ω
antenna terminal
Fig.1 Adjustment Wiring Diagram
Fig.2 Adjustment Point
FM Tuner Section
• Set the mode selector to FM BAND.
• Connect the wiring as shown in Fig. 1.