Pioneer VSX-405 Instrukcja serwisowa - Strona 26
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VSX-405, VSX-305
6.
ADJUSTMENTS
ADJUSTMENT OF FM TUNER SECTION
@ Set the FM/AM selector to FM BAND.
@ Connect the wiring as shown in Fig. 1-1.
FM SG
|_FM SG (1kHz, +75kHz dev.) |
+75kHz dev.)
Reception
Adjust so that the DC voltage of R151's both
ends becomes OV450mV.
Center
R151
Adjustment
;
paae
V = 0+50mV
OC VOLTMETER
Front-end
Sensitivity
Less than 10
Less than 10 dBHV.
Check
Stereo
Distortion
Check
Stereo
Separation
Check
18 dBuv+3 dB.
TUNED IND.
:
i
anes
18 (+3 dB)
:
Adjust so that the indicator of TUNED
IND.
Lighting Level
starts to light up.
Less than 2%.
Check that it becomes within the standard by turn-
ing the IFT T101 in the FM/AM TUNER
FE
MODULE less than +90° in case out of standard.
Less than 23 dB.
In case out of standard, cut the R157.
Note:
@ Make indicator adjustments in order of AM -> FM.
ADJUSTMENT OF MW TUNER SECTION
@ Set the FM/AM selector to AM (MW) BAND.
@ Connect the wiring as shown in Fig. 1-1.
;
| AM SG (400Hz, 30% Mod.) _|
SG (400Hz, 30% Mod
,
Maustment
ales
Adjustment
Specifications
Title
Frequency
Level
Displ
Location
(kHz)
(dB V/m)
isplay
TUNED IND.
c e
:
Less than 65 dBuV/m.
meh hornaace
Ez
Less than 65 | 999 kHz*!
In case out of standard, cut the R164.
Loop antenna
AM antenna terminal
asael
DC
Fig. 1-1. AM and FM Adjustment Wiring Diagram
FM 75Q antenna terminal