Pioneer XR-A390 서비스 매뉴얼 - 페이지 24

{카테고리_이름} Pioneer XR-A390에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Pioneer XR-A390 24 페이지. Stereo cd cassette deck receiver
Pioneer XR-A390에 대해서도 마찬가지입니다: 서비스 매뉴얼 (20 페이지)

페이지 인쇄

XR-A790, XR-A390

5. ADJUSTMENT

Note : Adjustment of XR-A790 are the same as those of XR-A6800 except for the following:

Adjustment of XR-A390 are the same as those of XR-A4800 except for the following:

FM Tuner Section

• Set the mode selector to FM BAND.

• Connect the wiring as shown in Fig. 1.

FM SG (1kHz, ± 75kHz dev.)

Step

Adjustment

Frequency

No.

Title

Front End

Sensitivity

TUNED IND.

Lighting Level

Note:

Before adjusting, make sure there is no gap between L6401 and L6402. 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.

AM SG (400Hz, 30% Mod.)

Step

Adjustment

Frequency

No.

Title

Front End

Sensitivity

Note (∗1) : For the area using 10kHz step, frequency should be 1000kHz.

AM SG

MPX SG

FM/AM TUNER MODULE

antenna

terminal

antenna

terminal

Level

(MHz)

(dBµV)

0 to 30

18 ± 2

Level

(kHz)

(dBµV/m)

999 (∗1)

35 to 45

60cm

Center

FM SG

FM75Ω antenna terminal

Fig.1 AM and FM Adjustment Wiring Diagram

SIDE A

YELLOW

BLACK

AXX7041

T6401

L6401

Fig.2 Adjustment Point

Reception

Adjustment

Frequency

Location

Display

Adjust so that the DC voltage between the

L6402

98MHz

IC6201 - pin 20 and GND becomes at maximum

T6401

level.

Adjust so that the indicator of TUNED IND.

98MHz

VR6201

strats to light up.

Reception

Adjustment

Frequency

Location

Display

Adjust so that the DC voltage between the

T6201

999kHz (∗1)

IC6201 - pin 20 and GND becomes at maximum

level.

Loop antenna

AM antenna terminal

PRODUCT

T6201

Specifications

Voltmeter

IC6201

Pin 20

VR6201