Technics SL-P222A - Page 45

SL-P222A
gw TROUBLESHOOTING GUIDE
SL-P222A Operation Sequence Check Sheet
Play Operation Sequence
(with no disc loaded)
Forced swing arm return Laser diode comes on.
Disc detection Focus pulls in.
vl
1%)
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5°
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SS SSS SSeS ee Sea ee a ea
Spindle motor starts rotation.
Disc loading
a Disc tray closed.
Focus servo operation
Radial servo operation
Laser diode comes on.
DSL (data slice) operation
Focus pulled in. i
4 PLL operation
Spindle motor starts rotation.
CLV servo operation
(11T mode)
CLV servo operation
(phase compare mode)
Focus servo operation
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{
Radial servo operation
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| DSL (data slice) operation
ep Mice gO 7
1
TOC
reading
+
Data
demodulator
circuit
A pa operation
CLV servo operation
(11T mode)
PLL operation
Access control circuit
operation
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| STOP key pressed.
| CLV servo operation
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=
TOC data display
2355 =