Sharp VL-AD260U User Manual

38
VL-AD260U
7-1. POWER SYSTEM BLOCK DIAGRAM
Power control IC (8CH)
CH1 ERROR AMP. IN- Comparator section
CH2 ERROR AMP. IN- Comparator section
CH1 output Drive circuit (Voltage drop)
CH2 output Drive circuit (Rise and fall voltage)
CH3 ERROR AMP. IN- Comparator section
CH3 output Drive circuit (Rise and fall voltage)
CH4 ERROR AMP. IN- Comparator section
CH4 output Drive circuit (Rise and fall voltage)
CH7 ERROR AMP. IN-
Comparator section
IN+
CH7 output Drive circuit (Rise and fall voltage)
CH8 ERROR AMP. IN-
Comparator section
IN+
CH8 output Drive circuit (NPN)
CH5 ERROR AMP. IN- Comparator section
CH5 output Drive circuit (Voltage drop)
CH6 ERROR AMP. IN- Comparator section
CH6 output Drive circuit (Voltage drop)
Standard power
1 2 3 4 5 6 7 8
DRUM ERROR
CAP ERROR
B/L CTL
3.3V Power Rise and fall voltage circuit
(PNP Tr)
4.9V Power
Rise and fall voltage circuit
(PNP Tr)
Mecha 5V
Rise and fall voltage circuit
(PNP Tr)
B/L POW
Rise and fall voltage circuit
(PNP Tr)
1.9V Power
Valtage drop circuit (PNP Tr)
DRUM VS
Valtage drop circuit (PNP Tr) CAP VS Valtage drop circuit (PNP Tr)
Trans circuit (NPN)
2 1 3 4 5 6 7 8
P-CON 3.3V
2.5V REG Circuit
DSP 1.9V P-CON 4.9V
MECHA 5V(5.7V)
DRUM VS
CAP VS
BACK LIGHT
16V +7V -4.9V -16.2V
3.1V REG Circuit (P-CON3.1V)
I/O power SW
D/A4.9V SW D/A3.3V SW
DSP (DELTA) 2.5V 3.1V 1.9V
RF 4.9V
I/O YC4.9V YC-4.9V 4.9V
A/D, DSP 4.9V 3.3V
MOTOR DRIVER MECHA 5V 4.9V DRUM VS CAP VS
LCD 4.9V 13.5V +7V -15.2V
AUDIO MECHA 5V 4.9V 3.3V CAM HEAD 3.1V MECHA 5V 4.9V -8V 15V
SYS 3.1V 4.9V NONREG
DAC P-CON4.9V D/A4.9V D/A3.3V
NON REG (3V~7V)
-8V
REG
-8V
SW
-15.2V
REG
15V
REG
CAM15V SW
13.5V REG
13.5V
SW
-15.2V
SW
CARD 3.1V SM 3.1V
3.1V REG

Sharp VL-AD260U Specifications

General

Brand	Sharp
Model	VL-AD260U
Category	Camcorder
Language	English