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HCD-F3MD
6-8.
SCHEMATIC DIAGRAM – BD (MD) Board (1/2) – •
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : MD STOP
(
) : MD PLAY
<
> : MD REC
∗
: Impossible to measure
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
05
See page 62 for waveforms.
(SPINDOL)
(SLEB)
SPINDLE/SLED
MOTOR DRIVE,
FOCUS/TRACKING
COIL DRIVE
46
•
See page 63 for IC Block Diagrams.
OPTICAL PICK-UP BLOCK (KMS-260B/S1NP)
LASER
ON SW
Q162, 163
AUTOMATIC
RF AMP,
FOCUS, TRACKING
POWER CONTROL
ERROR AMP
PIN FUNCTION
IC101
CXA2523AR
(Page 47)
BD (MD) BOARD
(2/2)
46
Q102-104
HF MODULE SW
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