ZR36962 データシートの表示（PDF） - Unspecified

部品番号

コンポーネント説明

メーカー

ZR36962

ZORAN - ZR36962ELCG - LQFP-208

Unspecified 

4-1

Spindle motor does not move

Trouble shooting chart

Motor no move

Go

Check the FFC connection

between 24P and the loader.

No

Correct connection

Yes

Check whether “RFA5V”

(+5V) voltage is normal.

Yes

Check whether laser voltage

(2.3V for DVD & 1.9V for CD) on

Collector of Q2 and Q3

No

Check the RFA5V power

supply

No

Check/Replace Q2ǃQ3.

Yes

1.Whether voltage on pin 129 of

U1 varies between 0 and 3.3V

(3.3V for CD and 0V for DVD),

2.Whether peripheral components

are eroded or badly soldered

No

Check/ Replace U1.

Yes

Have no focus

Yes

Check/Replace the loader

1. Check

U1

182pin

No

FOCUS_PWM signals

2.If there are F+, F-, T+ and T-

signals output from U7.

FOCUS_PWN waveform

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