Panasonic SB-VK72

18 Block Diagram
MOTOR DRIVE
IC8251
C0GBG0000048
EEPROM
(NOT SUPPLIED)
IC8611
C3EBGC000044
LDU
HFM
86
DRV5
127
VREFH
113
RFINN
114
RFINP
133
VIN7
134
VIN8
135
VIN3
118
VIN3RF
136
VIN4
117
VIN4RF
137
VIN2
116
VIN2RF
138
VIN1
115
VIN1RF
13
VO1-
11
VO2-
12
VO2+
14
VO1+
15
VO4+
16
VO4-
1
BIAS
4
OPIN+
24
LDIN
25
BIAS2
26
TRIN
VIN3
23
MUTE12
9
90
DRV1
MUTE4
20
88
DRV3
VIN1
2
142
AD4
VIN2
3
141
AD2
144
PWM1
145
PWM0
128
VHALF
91
DRV0
140
AD1
89
DRV2
TRVM-
TRVM+
TRV_INNER_SW
OSCO
163
OSCI
162
X8621
P2
67
P1
66
6
5
T+
F+
F-
T-
TA(DVD)
TB(DVD)
TD(DVD)
TC(DVD)
FE2(DVD/CD)
FE1(DVD/CD)
RF
VREF2 (RF-)
VREF1
PIN(CD)
SUBSEL
TRACKING COIL
FOCUS COIL
124
LPC01
Q8551
SWITCH
Q8552
SWITCH
126
LPC02
Q8561
SWITCH
Q8562
SWITCH
139
AD0
LDCD
LDDVD
81
P14
QR8571
SUPPLY
CONTROL
SWITCH
HFM
VCC
OUT
130
VIN9
131
VIN5
129
VIN10
132
VIN6
SUB2
SUB1
123
LPC1
PIN(DVD)
SW
15
1M
8
SUB1
14
SUB2
13
VREF
11
RF
9
FE1
6
FE2
7
TC
4
OPTICAL PICKUP
SPINDLE MOTOR UNIT
TD
5
TB
2
TA
3
LD(DVD)
17
LD(CD)
16
B
17
VO3+
18
VO3-
SPM-
SPM+
125
LPC2
MUTE3
27
87
DRV4
5
OPIN-
6
OPOUT
IC8001
DV3.2 LSI
MN2DS0009AP
67
SA-VK725DEE