Pioneer Adjustment For CD Players Service Manual

Page 1

(U) PIONEER?

The tuture of sound and vision,

Sen/ice

Wanna] $333.

ADJUSTMENT
FDFI CD PLAYERS
' VOL. 1

0 This service manual explains compact disc player adjustment methods. The compact
disc (CD) players covered by this service manual can be divided into three types: Sin-
gle CD type, Twin-tray CD type, and Multi-play CD type. Typical models are:

Single CD type Model PD-5500
Twin-tray CD type Model PD-T505
Multi-play CD type Model PD-M530

For details on items other than adjustment methods, see the respectlve service manual.

These adjustment methods can sometimes be used for models other than the typical models listed above.
In such a case, follow the Instructlons In the respectlve service manual.

Ce manual pour Ie service comprend les explications de reglage en trancals (volr page 20).
Este manual de servlclo trata del método aluste escrlto en espafiol (consults Ia paglna 3B).

PIONEER ELECTRONIC CORPORATION 41-1 '»'egw tirChome. '~lew.vrr-I I. Tum: 63.1mm

PIONEER ELECTRONICS SERVICE INC. PO Box 1760. Long Beac , Calilomia 90801 USA,

PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario LGR 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keetbeiglaan 1, 274B Beveren, Lielglum

PIONEER ELECTRONICS AUSTRALIA PTV. LTD. 178484 Boundary Rom} iiraeside, Victoria 3195, Austn: d TEL' [03] 580-9911

© PIONEER ELECTRONIC CORPORATION 1990 F0 MAR 7990 Printed in Japan

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1. Adjustment Methods

If a disc player is adjusted incorrectly or inadequately, it may malfunction or not work at all even though there is nothing

at all wrong with the pick up or the circuitry. Adjust correctly following the adjustment procedure.

1-1 Adjustment items/verification items and order

Step Item Test point Adjustment location

1 Focus offset adjustment TP 1, Pin 6 (FCS. ERR) VR103 (FCS. OFS)

2 Grating adjustment TP1,Pin 2 (TRK. ERR) Grating adjustment slit

3 Tracking error balance adjustment TP 1, Pin 2 (TRK. ERR) VR102 (I'RK. BAL)

4 Pickupradial/ TP1,Pin1 (RF) Radial tilt adjustment screw, Tan-
tangential direction tilt adjustment gential tilt adjustment screw

5 RF level adjustment TP 1,Pin 1 (RF) VRI (RF level)

6 Focus servo loop gain adjustment TP 1, Pin 5 (FCS. IN) VRISZ (FCS. GAN)

TP1,Pin 6 (FCS. ER)

7 Tracking servo loop gain adjust- T'P1,Pin 3 (TRK. IN) VRISI (TRK. GAN)
merit TP1,Pin 2 (TRK, ER)

8 Focus error signal verification 'IT 1, Pin 6 (PCS. ERR) ~-

' Abbreviation table

FCS. ERR : Focus Error

FCS. OFS . Focus Offset
TRK. ERR : Tracking Error
TRK. BAL : Tracking Balance
FCS. IN Focus In

TRK. IN Tracking In

1-2 Measuring instruments and tools

Dual trace oscilloscope (10:1 probe)
Low-frequency oscillator
Test disc (YEDSTI)

12-cm disc (with at least about 70 minutes of recording)
For Win-tray CD type, an 8-cm disc (with at least about 20 minutes of recording) can also be used.
For Multi-play CD type, use only the YEDS-7 test disc.

Low-pass filter (39 k0 + 0001 um

Resistor (100 kg)

Hexagonal wrench (M3 m) (not used for Multi-play CD type)
Standard tools

Pit-Pt

purses"