Service manual

HCD-F3MD
4646
6-8. SCHEMATIC DIAGRAM – BD (MD) Board (1/2) –• See page 62 for waveforms. • See page 63 for IC Block Diagrams.
• 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.
(SPINDOL) (SLEB)
SPINDLE/SLED
MOTOR DRIVE,
FOCUS/TRACKING
COIL DRIVE
Q162, 163
AUTOMATIC
POWER CONTROL
RF AMP,
FOCUS, TRACKING
ERROR AMP
IC101
CXA2523AR
LASER
ON SW
Q102-104
HF MODULE SW
OPTICAL PICK-UP BLOCK (KMS-260B/S1NP)
05
BD (MD) BOARD
(2/2)
PIN FUNCTION
(Page 47)