Service manual

4545

HCD-F3MD

6-7. SCHEMATIC DIAGRAM – BD (CD) Board –• 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 : CD PLAY

The components identified by mark 0 or dotted

line with mark 0 are critical for safety.

Replace only with part number specified.

MAIN BOARD

(3/3)

CN109

DIGITAL SIGNAL PROCESSOR,

DIGITAL FILTER,

D/A CONVERTER,

DIGITAL SERVO PROCESSOR

RF AMP,

FOCUS/TRACKING

ERROR AMP

SLED/SPINDLE MOTOR DRIVE,

FOCUS/TRACKING COIL DRIVE

M102

(SLED)

M101

(SPINDLE)

Q101

AUTOMATIC

POWER

CONTROL

TP (RF)

TP (VC)

TP (TE)

TP (FE)

( )

(Page 55)