Technics SL-P200

e 1C103 (AN8377): BTL drive
ee [st | otin | Fmton
Division
Pe [ve [1 [one vi
r
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vO
Division
inverting output of tracking
driver
TD
‘TD Non-inverting output of
tracking driver
Inverting output of focus driver
Non-inverting output of
FD :
focus driver
External transistor base
driving output
TVD— inverting output of traverse
driver
Za Voltage (+5 V) output
lie Traverse error signal input
dle | Focus error signal input
Non-inverting output of
traverse driver
Reset signal output
PC input (connect to GND)
+
+
Tracking error signal input : RESET
Reference voitage input
SL-P200 SL-P200
Mi TROUBLESHOOTING GUIDE
SL-P200 Operation Sequence Check Sheet
Play Operation Sequence
Power on
(with no disc toaded)
PLAY key pressed.
Forced
traverse
return
Laser
diode
comes
on.
Disc
detection
Focus
pulls
in.
——-—----—--—---------}
Spindle motor starts rotation.
Disc loading
— Disc tray closed.
Focus servo operation
Traverse servo operation
Laser diode comes on.
DSL (data slice) operation
Focus pulled in.
PLL operation
Spindle motor starts rotation.
CLV servo operation
(11T mode)
Focus servo operation
CLV servo operation
(phase compare mode)
Tracking servo operation
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, Traverse servo operation
he
TOC
reading
pe
Data
demodulator
circuit
Lu———
—
—
4
operation
DSL (data slice) operation
Access control circuit
operation
STOP key pressed.
proto ocfcoctc eno
PLL operation
CLV servo operation
(11T mode)
CLV servo operation
(phase compare mode)
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TOC data display
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