Pioneer PD-M602/KUXJ 서비스 매뉴얼 - 페이지 20

{카테고리_이름} Pioneer PD-M602/KUXJ에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Pioneer PD-M602/KUXJ 33 페이지. Multi-play compact disc player

페이지 인쇄

8. ADJUSTMENTS

8.1. Adjustment Methods

PD-M602

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 pickup or the circuitry. Adjust correctly following the adjustment procedure.

@ Adjustment Items/Verification Items and Order

If the specified values cannot be obtained or no adjustment is possible by performing the verifications or adjustments

described in steps 1 — 4, the pickup block may be defective.

Focus offset verification

TP1, Pin 6(FCS. ERR)

Tracking error balance verification

TP1, Pin2(TRK. ERR)

Noes

Pickup radial/tangential direction tilt

TP1, Pin 1 (RF)

tilt adjustment screw,

adjustment

Tangential tilt adjustment screw

| 4 | RF level verification

TP1, Pin 1 (RF)

fNoe

TP, Pin5(FCS. IN)

Focus servo loop gain adjustment

TP1, Pin6(FCS. ERR)

R152 (FCS. GAN)

TP1, Pin3(TRK. IN)

ae Tracking servo loop gain adjustment

TP1, Pin2(TRK. ERR)

R151 (TRK. GAN)

@ Measuring Instruments and Tools

1. Dual trace oscilloscope (10:1 probe)

2. Low-frequency oscillator

3. Test disc (YEDS- 7)

4. Low pass filter (39k Q +0.001 uF)

5. Resistor (100 kQ )

6. Standard tools

FCS. ERR

TRK. ERR

FCS GAN

TRK GAN

FCS. IN

TRK. IN

@ Abbreviation table

'Focus Error

:Tracking Error

'Focus Gain

'Tracking Gain

:Focus In

:Tracking In