HCD-VM330AV
29
29
7-9.
SCHEMATIC DIAGRAM – BD Section –
•
See page 43 for Waveforms.
•
See page 52 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
3.2
IC 106
OSC BUFFER
Q103
2SD1664
+3.3V
REGULATOR
TP
(TEO)
TP
(FEO)
TP (DVC)
TP (RFDC)
TP
(FEI)
TP (RFAC)
TP
(VC)
RF AMP,
FOCUS/TRACKING ERROR AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
Q101
AUTOMATIC
POWER CONTROL
Q101
2SB710A
M102
(SLED)
M101
(SPINDLE)
TP
(XPCK)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299