Schematic Diagram -Main Section (1/9) - Sony MZ-NH1 Service Manual

6-4. SCHEMATIC DIAGRAM – MAIN Section (1/9) –
M702
(SLED)
U
N
W V
M703
OVER WRITE
HD_DRV+
HEAD UP/DOWN
M701
(SPINDLE)
U
N
W V
MZ-NH1
• See page 36 for IC Block Diagram. • See page 24 for Waveforms.
(1/9)
RB701
2.2k
CN701
10P
SLEDW
SLEDV
SLEDU
SLEDN
C712
HD_DRV-
CLVW
C713
CLVV
CLVU
CLVN
RB702
10k
C714
0.1
SLD_CON_W
SLD_CON_V
SLD_CON_U
UI2
SLD_PWM
R707
PWM2
1k
SLD_MON_U
CPUO2
SLD_MON_V
CPVO2
SLD_MON_W
CPWO2
0.1
XRST_MTR_DRV R706 0
OE
GND1
VC FOCUS/TRACKING COIL DRIVE,
0.1
SPINDLE/SLED MOTOR DRIVE
VG
CLV_MON_W IC701
CPWO1 SC981583EPR2
CLV_MON_V
CPVO1
CLV_MON_U
CPUO1
CLV_PWM
PWM1
CLV_CON_U
UI1
CLV_CON_V
CLV_CON_W
C715
0.1
25 25
C716
0.1
R701 R703
0 0
L701 L702
0
TF1
FI2
TR1
RI2
COM2
CPUI2
CPVI2
CPWI2
ZI2
ZI2
ZI1
ZI1
CPWI1
CPVI1
CPUI1
COM1
FR1
RI1
FF1
FI1
L704
22µH
R702 R704
0 0
C717
0.1
(Page 27)
MZ-NH1
XRST_MTR_DRV
XRST_MTR_DRV
SLD_CON_W
SLD_CON_W
SLD_CON_V
SLD_CON_V
SLD_CON_U
SLD_CON_U
SLD_PWM
SLD_PWM
SLD_MON_U
SLD_MON_U
SLD_MON_V
SLD_MON_V
SLD_MON_W
SLD_MON_W
TF1
TF1
TR1
TR1
ZI2
ZI2
ZI1
ZI1
(Page 33)
FR1
FR1
FF1
FF1
CLV_CON_W
CLV_CON_W
CLV_CON_V
CLV_CON_V
CLV_CON_U
CLV_CON_U
CLV_PWM
CLV_PWM
CLV_MON_U
CLV_MON_U
CLV_MON_V
CLV_MON_V
CLV_MON_W
CLV_MON_W
E1
E2
(Page 30)
A1
A2
A3
A4
(Page 26)
A5
D1
D2
D3
(Page 29)
C1
(Page 28)