Sony HT-BE1 - Block Diagram -Power Section

13 13
HT-BE1/SA-WBE1/SS-BE1
LED DRIVER
Q701
4 5 7 1432 1
BUFFER
Q324
MUTE
Q306
21
23
4
10 3 1 15
22
92 1
BUFFER
Q321
17
19
7 5 7 1466 7
BUFFER
Q326
21
23
22 3 7 11232 1
BUFFER
Q325
I/F, VR CONTROL
9
7
15
22
19
17
MUTE
Q303
BUFFER
Q307
FAN MOTOR
CONTROL
Q421,422
SIRCS,KEY-IN
DETECT
Q803,804
LEVEL DETECT
D421-426
BUFFER
Q308
1 3
+10V
REG
IC904
3 1
+5V
REG
IC941
3 2
+3.3V
REG
IC805
2
4
1
3 1
+5V
REG
IC906
FRONT L
FRONT R
REAR L
REAR R
CENTER
MUTE DRIVER
Q301,302
MUTE DRIVER
Q310,313
MUTE DRIVER
Q311,314
MUTE DRIVER
Q309,312
B+ SWITCH
Q904,905
2 4
B+ SWITCH
Q907,908
44687069
56
55
54
53
911
72
10
9
8
7
1
3
2
1
161514
27 28 29
B+ SWITCH
Q909,910
POWER-ON
SWITCH
Q902,906
3
4
1
1 2
REG
Q901,D903
D946
D914
93
82
83
84
RELAY
DRIVER
Q941
MAIN
SECTION
A
REMOTE
CONTROL
RECEIVER
IC702
Q805
S702
MENU/ENTER
RE701
VOL/SELECT
S701
VOLUME
ENCODER
D702,703
LCD
BACK
LIGHT
D-5.6V
(SW)
LCD701
LIQUID
CRYSTAL
DISPLAY
PANEL
LCD DRIVER
IC701
D-5.6V
(SW)
READY
3.3V
(GRN)
(RED)
I /
D701
I /
46
62
AU
15V
AUDIO
15V
AU
5V
D-5.6V
(SW)
D-5V
(UNSW)
READY
D5V
READY
3.3V
5.6V
NON/SW
AUDIO
5V
AU
5V
AU
15V
FR+
FR-
FL+
FL-
RL+
RL-
RR+
RR-
CE+
CE-
R-CH
R-CH
LINA
LOUTA
LINC
LOUTC
LINB
LOUTB
RINB
ROUTB
VOLUME
CONTROL
IC304
CK
LCD-C/D
LCD-CS
LCD-DATA
LCD-CLK
SIRCS
P-WAKE
KEY1
ENA
ENB
READY-H
P-CONT
READY-H
P-CONT
READY-H
DATA
VOL-CLK
VOL-DATA
VOL-STB
AMP-MUTE
MUTE-FL,FR
MUTE-SL,SR,C
MUTE-SW
STB
SYSTEM
CONTROLLER
IC801 (2/2)
SW
C
SL
AMP
IC302 (1/2)
AMP
IC302 (2/2)
L
AMP
IC301
AMP
IC303
LPF
IC306
LPF
IC305
LPF
IC307
LPF
IC308
POWER AMP
IC382
J503
POWER AMP
IC381
IN4
MUTE
IN4
MUTE
IN1
IN3
ST-BY
4
AU
5V
ST-BY
VCC
AU
15V
VCC
AUDIO
15V
IN3
PC901
VOLTAGE DETECT
IC902
SWITCHING
CONTROL
IC901
D906
D909
D911
JW902
JW901
D907
VCC
D
FB/OCP
RECT
D902
F901
~
AC IN
~
AC IN
T901
POWER
TRANSFORMER
+5.6V SWITCHING
REGULATOR
IC905
INITIAL
POWER
CONTROL
IC903
US,CND,MX MODEL
US,CND,MX MODEL
EXCEPT US,CND,MX MODEL
T902
SUB POWER
TRANSFOMER
RECT
D941-944
EXCEPT US,CND,MX MODEL
FAN901
DC FAN
MOTOR
US,CND,MX MODEL
US,CND,MX MODEL
US,CND,MX MODEL
EXCEPT US,CND,MX MODEL
RY901
OSC2
OSC1
C/D
CS
SD
SCK
COM0
I
COM3
SEG0
I
SEG17
SW
OUT
VOS
VIN
L902
5
SP901
SPEAKER
LF901LF902
M
SPEAKER
11
I
14
15
I
32
~
~
~
~
• Signal path
: LINE
: DIGITAL AUDIO
• R-ch is omitted due to
same as L-ch.
• Abbreviation
CND: Canadian model
MX : Mexican model
4-3. BLOCK DIAGRAM — POWER SECTION —
(Page 12)