Block Diagram - Panasonic SA-HT940PC Service Manual

17 Block Diagram

OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1 B2
A1 A2 HEAD
A4 A3 AMP
B4 B3
LASER DIODE
Q8551,8552
LD DRIVE
LASER DIODE
Q8561,8562
LD DRIVE
IC8001
MN2DS0009AP
DV3.2 LSI
138
VIN1
137
VIN2
135
VIN3
136
VIN4
134
VIN8
133 128 1
VIN7 VHALF
132
VIN6
131 144 TRV DRV 2
VIN5 PWM1
129
VIN10
130 145 F0 DRV 3
VIN9 PWM0
124 90 23
LPC01 DRV1
123
LPC1
91 TRS DRV 24
DRV0
126
LPC02
125
LPC2
140 6
AD1
139
AD0
113
RFINN
114
RFINP
87 SPMUTE 27
DRV4
83 TRVFT MUTE 9
DRV3
20
QR8571
81
P14 BUFFER
89
DRV2
85
FG
59
IC8251
C0GBG0000048
TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE
VOL4+
-
+
LEVEL VOL4-
SHIFT
- -
BIAS1
+ +
OPIN+
VIN1
VOL3+
VIN2
-
+
VIN3 LEVEL VOL3-
SHIFT
-
+
LDIN
- OPIN-
+
VOL1+
BIAS2
OPOUT -
+
LEVEL VOL1-
SHIFT
- -
+ +
MUTE3
CH3
MUTE VOL2+
-
+
MUTE12 CH1,2 LEVEL VOL2-
MUTE SHIFT
- -
+ +
MUTE4 CH4
MUTE
SA-HT940P / SA-HT940PC
15
TRAVERSE
MOTOR
16
4
17
SPINDLE
MOTOR
18
5 OPTICAL PICK UP UNIT
14
ACTUATOR
TRACKING
COIL
ACT T+
13 ACT T-
FOCUS
COIL
ACT F+
ACT F-
12
HFM
11
TRAVERSE INNER SW
SA-HT940P/PC BLOCK DIAGRAM