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5
HCD-SB100/SB200
Ver. 1.1
SECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the “S curve check” in “CD section adjustment” and check
that the S curve waveform is output several times.
Содержание HCD-SB100
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Страница 23: ...23 HCD SB100 SB200 Ver 1 1 2 TEST DEBUG FLOW YES YES NO NO NO NO NO YES YES ...
Страница 24: ...24 HCD SB100 SB200 Ver 1 1 YES YES NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES ...
Страница 25: ...25 HCD SB100 SB200 Ver 1 1 YES YES YES YES YES YES NO NO NO NO NO YES ...
Страница 26: ...26 HCD SB100 SB200 Ver 1 1 YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO ...
Страница 27: ...27 HCD SB100 SB200 Ver 1 1 YES YES YES YES YES YES YES NO NO NO NO NO NO NO YES YES ...
Страница 28: ...28 HCD SB100 SB200 Ver 1 1 YES YES YES YES NO NO NO NO NO YES ...
Страница 32: ...32 HCD SB100 SB200 Ver 1 1 2 Tray close waveform 3 Tray open waveform ...
Страница 35: ...35 HCD SB100 SB200 Ver 1 1 ...
Страница 36: ...36 HCD SB100 SB200 Ver 1 1 8 FOCUS ON WAVEFORM ...
Страница 37: ...37 HCD SB100 SB200 Ver 1 1 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION ...
Страница 38: ...38 HCD SB100 SB200 Ver 1 1 10 TRACKING CONTROL RELATED SIGNAL SYSTEM CHECKING ...
Страница 39: ...39 HCD SB100 SB200 Ver 1 1 11 RF WAVEFORM 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF ...
Страница 40: ...40 HCD SB100 SB200 Ver 1 1 13 MT1379 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS 2 Y ...
Страница 41: ...41 HCD SB100 SB200 Ver 1 1 3 C 14 AUDIO OUTPUT FORM AUDIO DAC 1 Audio related Signal ...
Страница 44: ...44 HCD SB100 SB200 Ver 1 1 MEMO ...