Sony CDP-227ESD - Main Section Schematics - Part 1; Loading, Translation, and Motor Board Connections; Optical Pick-up and Laser Drive Schematics

1
3-8. SCHEMATIC DIAGRAM
2 3 4
— Main Section (1/2) —
@ Signal! path
ewe :cd
Zz: digital out
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@ See page 28 for note.
10
11
{MAIN BOARD (172) ]
SP |INDLE/LOADING
DRIVE
IN. SW
L. MOTOR
1C201 TA7256P
R205 120k R206 150K
IC203
DEFECT CONTROL
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eld He
3
(3)
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ual
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OPTICAL PICK-UP;
BLOCK
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cp. 101 D101
reD PROTECTOR
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258734 95
£106 22/25,
€107 0. 0033
Q101 4 2
LASER DRIVEGND RF
1C101 CXA1081S
RF AMP
<FOK>-
<LD. ON
—--<XRST >
<DIRC>
<CLK>— <XLT>
<DATA>—
<SENS>
Te!
R222 130k
<TAO>
<FEQ>——
<SPDLO>
<DFCT>
<FOK>
<LD. ON>
C118 2200p
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Cité 0.
7S|1GNAL PROCESSOR
<MON>
~<MDP-
RF PLL
FREQUENCY
C227
22/25
<ASY.
TO MAIN BOARD (2/2)
|
FOCUS/TRACK
7SLED SERVO
FOCUS GAIN
FOCUS BIAS
ING P
Q206
GFS SWITC