Technics SL-P202A - Troubleshooting Guide

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m TROUBLESHOOTING GUIDE
SL-P202A Operation Sequence Check Sheet
Play Operation Sequence
(with no disc loaded)
Forced swing arm return Laser diode comes on.
Disc detection
Focus pulls in.
Spindle motor starts rotation.
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Disc loading
— Disc tray closed.
Focus servo operation
Radial servo operation
Laser diode comes on.
DSL (data slice) operation
Focus pulled in.
PLL operation
Spindle motor starts rotation.
CLV servo operation
(11T mode)
CLV servo operation
(phase compare mode)
Focus servo operation
Radial servo operation
DSL (data slice) operation
rT Teh at teg = 7 . .
| Data demodulator circuit
Lee 4 operation
PLL operation
CLV servo operation
(11T mode)
Access control circuit
operation
STOP key pressed.
CLV servo operation
TOC data display
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TOC reading + Es
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