XL-3000V

Make sure that the disc is normal, and set the CD TEST MODE (STEP 1).

Is the measured voltage as specified in circuit diagram?

Yes

Is "Er-CD01" displayed"?

Yes

Move the pickup to most internal circumference side of disc. Turn the power off and reset the CD TEST MODE (STEP 1). Is "PU ERROR " not displayed?

Yes

No

No

No

Check the main unit power supply circuit.

Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803.

Check the between CNW803/CNS803 and PU-IN switch.

Is +5V applied to pin 100 (/RST) of IC802?

Yes

Does the CD TEST MODE advance from "STEP 2"?

Yes

Does the laser come on in CD TEST MODE "STEP 2"?

Yes

Does the CD TEST MODE advance from "STEP 3" to "STEP 4"?

Yes

Does the spindle motor rotate normally when the CD TEST MODE changes from "STEP 4" to "STEP 3"?

Yes

Is the HF output on pin 38 of IC802 in CD TEST MODE "STEP 5"?

Yes

No

Check the PWB pattern between pin 59 (CD_RES) of IC701 and

pin 100 (/RST) of IC802.

 

 

 

Is CD Lid switch SW802

 

Set ON condition the CD

 

No

No

 

ON condition ?

Lid switch.

 

 

 

 

Yes

Check the between pattern IC701 and SW802 If OK.

Check the main unit power supply circuit.

Check the procedure in "LASER FAILURE". No

Check the procedure in "FOCUS FAILURE". No

No

Check the procedure in "SPINDLE MOTOR CLV SERVO

FAILURE".

 

Check the procedure "HF ERROR".

No

Does the sound heard when the optical pickup move to the

selected play by the FF /REW key.

Yes

No

Does the sled motor

No

Check the procedure in

move ?

"SLED MOTOR

 

 

 

Yes

 

OPERATING FAILURE ".

 

 

 

Check the procedure "NO SOUND"

Does the LCD track number and time indicator work properly ?

Yes

Turn the power off and then back on.

Does the unit initialize properly and start playback when PLAY key is pressed?

Yes

Check the pattern between IC701 and LCD701.

No

 

Is "Er-CD01 "

 

Check the procedure in

No

No

displayed ?

"HF ERROR".

 

 

 

 

 

 

Yes

Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803. Check the between CNW803/ CNS803 and PU-IN switch.

Does the unit play in order in the FF mode?

Yes

Does playback continue for 30 seconds after the start of playback ?

Yes

Normal

Check the procedure in "TRACK SEARCH FAILURE". No

Check the procedure in "SLED SERVO FAILURE".

No

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Sharp XL-3000V service manual Sled Motor, Operating Failure, HF Error