Pioneer XR-A660SW Manuale di servizio - Pagina 12

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XR-A660SW, XR-A660EE

4.2 ADJUSTMENT FOR XR-A660EE

Note : Adjustment of XR-A660EE/MLWXJ/EE are the same as those of XR-A660/DLXJ/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

Sensitivity

TUNED IND.

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

Sensitivity

*1: For the area using 10kHz step, frequencies should be 1000kHz

AM SG

MPX SG

FM/AM TUNER MODULE (AXQ7069)

antenna

terminal

antenna

terminal

FM SG (1kHz, ±75kHz dev.)

Frequency

Level

(MHz)

(dBµV)

0-30

18±2

AM SG (400Hz, 30% Mod.)

Frequency

Level

(kHz)

(dBµV/m)

999*

35-45

60cm

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*

T6201

IC6201-Pin 20 and GND becomes at maximum

level.

Loop antenna

AM antenna terminal

PRODUCT

T6201

Specifications

voltmeter

VR6201