S-12
S3.7. Power Supply Block Diagram
SDR-H100/H101
POWER SUPPLY BLOCK DIAGRAM
IC1002 (SW REGULATOR)
OSC
VCC
18
STB
19
RT
20
PWM
CTL
DRIVE
ERROR AMP
FET
2
VOUT
5
6
INV
SHORT
CIRCUIT
PROTECT
STBY I/O
PW HDD3R3V
UVLO
VREF
27
VREF5
PWM
CTL
DRIVE
FET
ERROR AMP
PWM
CTL
DRIVE
ERROR AMP
PWM
CTL
DRIVE
ERROR AMP
SHORT
CIRCUIT
PROTECT
PWM
CTL
DRIVE
ERROR AMP
PWM
CTL
DRIVE
ERROR AMP
PWM
CTL
ERROR AMP
PWM
CTL
ERROR AMP
FET
FET
FET
FET
FET
DRIVE
FET
DRIVE
FET
ON/OFF
LOGIC
OSC
QR1002
QR1001
QR1101
VBUS ON
BL CONT
PW +B
P ON
E POW RST
SW NOREG
LCD ON
CCD ON
FROM
AUDIO/VIDEO
FROM/TO
SYSTEM CTL
FROM
CHARGE
H
H
H
PWM7
19
H
IC1001 (DC-DC CONVERTER)
VCC
23
STB1234
20
RT
29
22
21
26
LX3
1
LX7
30
LX5
38
LX6
37
INV3
INV7
33
INV6
34
INV5
HX4
12
28
VO2
5
VO2S
4
LX1
3
INV1
INV4
1
IC1423 (VOLTAGE DETECT)
OUT
VDD
2
IC1301 (VOLTAGE REGULATOR)
V OUT
V CONT
4
1
V IN
5
QR1411
Q1421
IC1371 (VOLTAGE REGULATOR)
V OUT1
CNT1
8
1
CNT2
4
V+
2
V OUT2 6
QR1471
Q1372
Q1373
Q1471
PW REG3V
PW 5R4V
PW REG5V
PW LCD5V
PW VBUS
PW REGA3V
PW SPK3R2V
PW 3R2V
PW LENS3R2V
PW AFE3V
PW LCD3V
PW REG1R8V
PW UNP1R1V
PW REG1R2V
PW 12V
PW -7R5V
PW LCD8R5V
PW LCDBL H
PW LCDBL L
SW
IC1411 (5V REGULATOR)
V OUT
CONTROL
4
1
V IN
5
V-
5
PW GYRO3V
IC703 (3V REGULATOR)
V OUT
CONTROL
4
1
V IN
5
IC102 (3V REGULATOR)
V OUT
CONTROL
4
1
V IN
5
IC1421 (3V REGULATOR)
V OUT
CONTROL
4
1
V IN
5
LED
41
BRIGHTNESS
CTL
VOLTAGE
REFERENCE
FROM/TO
MONITOR
Содержание SDR-H100EB
Страница 7: ...7 3 Specifications ...
Страница 11: ...11 5 Service Fixture Tools 5 1 Service Tools and Equipment ...
Страница 13: ...13 6 1 2 Checking and repairing individual circuit boards How to use extension cables ...
Страница 27: ...S 13 ...
Страница 39: ...S 25 ...