Pioneer XR-P740M Adjustments, XR-P7@M, XR-P64OM, XR-P3@M xR-P7 40, XR-P64, XR-P34, Tunersection

Models: XR-P640M XR-P740M XR-P340M

1 63
Download 63 pages 5.25 Kb
Page 20
Image 20

XR-P7@M, XR-P64OM, XR-P3@M xR-P7 40, XR-P64(), XR-P34()

1.7 ADJUSTMENTS

1. TUNERSECTION

I FM TunerSection

a Set the mode selectorto FM BAND.

a Connectthe wiring as shown in Fig. I 1.

 

Adjustment

FM SG (lkHz, t 75kHzdev.)

Reception Adjustment

 

StepNo.

 

 

 

Title

Frequency

Level

Frequency

Location

Specifications

 

 

 

(MHz)

(dBpV)

Display

 

 

 

 

 

 

 

I

Center

98

 

 

 

Non

80 or more

 

L6207

Adjustment

 

 

modulation

 

 

 

 

 

 

 

 

2

Front End

98

l0- 30

98MHz

L6102

Sencitivity

T6101

 

 

 

 

3

TUNEDIND.

98

lfi.2

98MHz

vR6201

LightingLevel

 

 

 

 

 

Nofes.'

Adjust so that the DC voltage befween Pin 4 and Pin 28 of IC6201becomes0Vt50mV.

Adjust sothat the DC voltageof the Pin12of IC6201(S-meter)

becomesat maximum

level.

Adjust so that the indicators ot TUNED IND. start to light up.

oBefore adjusting, make sure there is no gap between L6101 and L6102. If there is a gap between them, bing them into contact with each other first, and then make adjustments.

o Make indicator adjustments in order of AM - FM.

 

F M 7 5 Q A n r e n n a T e . m i n a t

 

 

 

I C 5 2 0 1

 

 

 

 

l a ; ? n 1

 

 

 

X R _ P 7 4 O M ,X R _ P 5 4 O M ,X R _ P3 4 M

DC VOLTMETER

 

 

 

x R - P 7 4 0 , X R - P 6 4 0 . X R - P 3 4 0

 

 

 

 

 

 

 

Fig. 1- 1 FM AdjustmontConnectionDiagram

I AM TunerSection

 

 

 

 

 

a Setthe modeselectorto AM BAND.

 

 

 

 

a Conoectthe wiring asshownin Fig. I

2.

 

 

 

 

 

Adjustment

AM SG (400H2,3070Mod.)

Reception Adjustment

 

StepNo.

 

 

 

Title

Frequency

Level

Frequency

Location

Specifications

 

 

 

 

 

(kHz)

(dBpY,h)

Display

 

 

 

 

 

 

 

 

I

 

TUNEDIND.

999

47!2

999kHz

vR6202

Adjust so that the indicatorsof TUNED

 

LightirgLevel

IND. start to light up.

 

 

 

 

 

Note.'

aWhen SD and YPW type is used, set the AM Irequency step to 10kHz.

A M Anrenna Ter.mrna l

X R _ P 7 4 O M , X R _ P 6 4 O M , X R _ P 3 4 M x R - P 7 4 0 , x R - P 5 4 0 . X R - P 3 4 0

AM Loop Antenna

Fig, 1-2 AM IMW) AdjuslmentConnectionDiagram

1 - 20

Page 20
Image 20
Pioneer XR-P740M, XR-P340M Adjustments, XR-P7@M, XR-P64OM, XR-P3@M xR-P7 40, XR-P64, XR-P34, Tunersection, FM TunerSection