Sony ZS-PS30CP Manuel d'entretien - Page 18

Parcourez en ligne ou téléchargez le pdf Manuel d'entretien pour {nom_de_la_catégorie} Sony ZS-PS30CP. Sony ZS-PS30CP 48 pages. Personal audio system
Également pour Sony ZS-PS30CP : Mode d'emploi (2 pages), Manuel d'utilisation (2 pages)

Imprimer la page

ZS-PS30CP

Ver. 1.1

0 dB = 1 V

TUNER SECTION

[AM]

Setting:

Function: RADIO

Band: AM

Put the lead-wire

AM RF signal

antenna close to

generator

the unit.

30% amplitude

modulation by

400 Hz signal

Output level:

as low as possible

[FM]

Setting:

Function: RADIO

Band: FM

FM RF signal

generator

MAIN board

JW101

0.01 F

75 kHz frequency

deviation by

1 kHz signal

Output level:

as low as possible

Note: Perform FM frequency coverage check after removing FM tele-

scopic antenna (ANT1).

no mark: Chilean, Peruvian, Asian, Taiwan and Argentina models

AM FREQUENCY COVERAGE CHECK

Check that reading on level meter is the maximum

Conﬁ rmation

FM FREQUENCY COVERAGE CHECK

Check that reading on level meter is the maximum

Conﬁ rmation

SECTION 4

ELECTRICAL CHECKS

level meter

unit

HP JACK board

jack (J302)

level meter

unit

HP JACK board

jack (J302)

MAIN board

TP814 (GND)

(

): Panamanian model

531 (530) kHz

1,602 (1,710) kHz

87.5 MHz

108 MHz

CD SECTION

Note:

1. CD block is basically constructed to operate without adjustment.

2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-

ed.

3. Use an oscilloscope with more than 10 M impedance.

4. Clean the object lens by an applicator with neutral detergent when the

signal level is low than speciﬁ ed value with the following checks.

5. Check the focus bias check when optical pick-up block is replaced.

FOCUS BIAS CHECK

MAIN board

TP804 (RF)

TP711 (VREF)

Procedure:

1. Connect the oscilloscope to TP804 (RF) and TP711 (VREF)

on the MAIN board.

2. In the standby state, press the [POWER] button to turn the

power on.

3. Press the [CD] button to turn the CD function.

4. Set the disc (YEDS-18) and press the [

5. Conﬁ rm that oscilloscope waveform is as shown in the ﬁ gure

below. (eye pattern)

A good eye pattern means that the diamond shape () in the

center of the waveform can be clearly distinguished.

Connection Location:

– MAIN Board (Conductor Side) –

TP814

(GND)

oscilloscope

–

] button to playback.

VOLT/DIV: 200 mV

TIME/DIV: 500 ns

level: 1.5 Vp-p

JW101

TP711

(VREF)

TP804

(RF)