Fm Tuner Section; Am Tuner Section - Pioneer XR-A330SW Service Manual

XR-A330SW, XR-A330EE
4.2 ADJUSTMENT FOR XR-A330EE
Note : Adjustment of XR-A330EE/MLWXJ/EE are the same as those of XR-A330/DXJ/NC except for the following:

FM Tuner Section

Set the mode selector to FM BAND.
Connect the wiring as shown in Fig. 1.
Adjustment
Step No.
Title
Front End
1
Sensitivity
TUNED IND.
2
Lighting Level
Notes:
Before adjusting, make sure there is no gap between L6101 and L6102 as well as between L6103 and L6104. If there is a gap between them,
bring them into contact with each other first, and then make adjustments.

AM Tuner Section

Set the mode selector to AM BAND.
Connect the wiring as shown in Fig. 1.
Adjustment
Step No.
Title
Front End
1
Sensitivity
*1: For the area using 10kHz step, frequencies should be 1000kHz
AM SG
MPX SG
FM/AM TUNER MODULE (AXQ7069)
AM
antenna
terminal
FM
antenna
terminal
14
FM SG (1kHz, ±75kHz dev.)
Frequency Level
(MHz) (dBµV)
70 0-30
98 18±2
AM SG (400Hz, 30% Mod.)
Frequency Level
(kHz) (dBµV/m)
999* 1 35-45
60cm
Center
Center
FM SG
FM75Ω antenna terminal
Fig. 1 AM and FM Adjustment Wiring Diagram
AXX7041
YELLOW BLACK
L6101
T6101
L6102
L6103
Fig. 2 Adjustment Points
Reception
Adjustment
Frequency
Location
Display
Adjust so that the DC voltage between the
L6104
70MHz L6102 IC6201-Pin 20 and GND becomes at maximum
T6101 level.
Adjust so that the indicator of TUNED IND. starts
98MHz VR6201
to light up.
Reception
Adjustment
Frequency
Location
Display
Adjust so that the DC voltage between the
999kHz* 1 T6201 IC6201-Pin 20 and GND becomes at maximum
level.
Loop antenna
AM antenna terminal
PRODUCT
T6201
Specifications
Specifications
DC
voltmeter
VR6201