Power Block Diagram - Sony RDR-HX520 Service Manual

RDR-HX520/HX525/HX720/HX722/
HX725/HX727/HX920/HX925

3-4. POWER BLOCK DIAGRAM

SWITCHING REGULATOR
(SRV-1858EK)
F101
D101
T3.15A
MAIN RECT
L
AC IN
N
IC101
L103
D107
AV-103 BOARD
UNSW12V
2
SW5V 8
9
UNSW6V 6
7
10
UNSW4V
12
UNSW-8V
14
PCONT
PCONT
15
PCONT
9
UNSW3V
6
SW5V D101 SW5V-S
3
UNSW4V
4
UDEC3.3V
5
IC102
CN102
3.3V REG
3 VO VCC 2
CLT
1
VA PCONT
HX520 : AEP3/HX725 : AEP3/
HX727 : AEP3/HX920/HX925
IC107
FAN REG
FAN
FAN OUT
1 1 VO VI 3
FAN DET ADJ CTL
2
GND 2 4
3
CN103
FAN CONT
FAN HI
Q101
FAN DET
J301
DIGITAL VCC
2
OUT
IC802 IC803
AUDIO VIDEO IC801
SELECTOR SELECTOR
5V REG
L803
4 VOUT
Q801
UNSW-8V-V
-50 REG
D801
T101
SWITCHING
TRANSFORMER
Q301
D301 L301 12V REG
OSC
D303
IC301
PROTECT
D106 L104
L501
D501
1
IN
4
VR501
6V ADJ
PC301
PHOTO COUPLER
IC501
D201 L201 SHUNT REGULATOR
P602 L601
D601
TU401
5V 5V
30V
1 12 14
L405 L406 L404
IC402 IC401
D1401
TU5V REG TU30V REG
L401
4 VIN VOUT 5 1 VIN
4
CONT
3 2 OSC
L403
TU PCONT
IC1401 IC302
EURO MSP AUDIO AMP
L1401
Q304
UNSW12V-A SWA12V
Q303
Q302
PS103
UNSW-8V-A SWA-8V
Q301
VA PCONT
IC303
TU5V REG
UNSW6V A SWA5V
5 IN OUT 4
CTL
1
83 47 86 49 50 48 55
IC104
TU5V REG
UNSW5V-I
2 VCC VO 4
PS102
UNSW6V-I
Q715
UNSW5V-V
Q716
VIN 6
INSEL PCONT
Q707-711
IC702
BUFFER
VIDE0 AMP
IC701
SELECTOR
-3.3V REG
D703
D704
2
VEE VOUT 6
5
L701
CONT
1
3-7
D304 P301 2A
SW12V
1
Q302
DVD
2
12V REG GND
UNIT
3
SW5V
4
Q303
CN2
SW
SW12V
1
HDD
2
GND
UNIT
3
2 SW5V
OUT 4
IC502
CN3 UN8W12V
2
5V REG 8
SW5V
9
P502 2A
6
UNSW6V
7
P201 3.15A
10
UNSW4V
12
P601 2A
UNSW-8V
14
PCONT
15
D502
IC202,203
AUDIO AMP
HX525/HX725/HX727/HX925
IC1102 IC1103
IR CONTROL COMPARATOR
IC603
IT CONTROL
IC605 IC606 IC604
REAL TIME RESET EEPROM
CLOCK
96 90
L601
IC601
Q616
PS602
P FAIL
DETECT
Q601
L702-L704
RD-060 BOARD
IC601
1V REG
L602 L601
SW 5V SW1V
3 4 VIN SW 3
UNSW 4V
4 EN
UNSW 3V
1
6
VDEC 3.3V
5
P CONT
9 FLASH MEMORY
IC602
CN601
3.4V REG
SW3.4V
4 VIN 5
VOUT
CONT
3
IC606
RESET
IC604
AND GATE
IC605
HX520 : AEP3/HX725 : AEP3/
AND GATE HX727 : AEP3/HX920/HX925
IC302
VIDEO DECODER
1.8V REG
L302
2
1 VIN
VOUT
3
IC101
3.3V REG
5 VIN 4
VOUT
CONT
1
IC108 SW1V
2.5V REG SW3.4V
8 VIN 1
VOUT
CONT
5
IC109
16
CN502
3.3V REG
5 VIN 4
VOUT
CONT
1
SWA5V
12
UN5V
CN603
5 FOR CHECK
CN601
Q601-Q605 Q606,607
VIDEO BUFFER BUFFER
5 FR/SIRCS 5V CN604
7 6
FL POW
L603
3
13
CN602
FR-240 BOARD FR-159 BOARD
IC3002 IC3001
VIDEO5V
8
REMOTE COMMANDER LED DRIVE
CN501
RECEIVER
CN3102
FR 5V
11 6 3
9
FL POW 6V
13 8 1
KEY 0
3 1 8
CN3003 CN3001
3-8E
IC502
IC501
SUPER AND
MEMORY
(128Mbit)
(256Mbit)
IC202
IC701 IC201
1.8V REG
DV INTERFACE HDD DRIVE
5 VIN VOUT 4
L202
L201
IC803
IC802
AUDIO
PLL
ADC/DAC
IC301
L301 L303
IC105
IC103
IC106
RISM3
512Mbit DDRAM
L101 L102
HX520 : AEP3/HX725 : AEP3/
HX727 : AEP3/HX920/HX925
IC3001
FLD DRIVER
2
10
3
Q3101,3102
1
4
OSC
ND3001
D3101-D3111
6 7
52 F2
8 FLUORESCENT
INDICATOR TUBE
D3112
5 9
1 F1
POWER
T3101
DC/DC CONVERTER
TRANSFORMER