19
5.2.
Active Subwoofer (SB-HWA520)
5.2.1.
AUDIO & POWER SUPPLY BLOCK DIAGRAM
SC-HTB550PH(SB-HWA520PH) AUDIO & POWER SUPPLY BLOCK DIAGRAM
4
4
CN1000
-
CH2 IN RCH
I/D SET
S1000
POWER
S1001
PCONT
SWITCH
MUTING
+5V POWER
SUPPLY
SWITCH
Q1006
Q1004
Q1005
SWITCHING MODE
POWER SUPPLY
CIRCUIT
DIGITAL
RECEIVER
CIRCUIT
23.5V
16V
-16V
-23.5V
1
1
H1001*
CN201*
PCONT
9
9
CN1000
-
IDSET
1
1
CN1003
CN4000*
LINK LED
3
3
CN1003
CN4000*
5V
12
12
CN1000
-
DC DET
5
5
CN1000
-
+5V
+23.5V
2
2
H1001*
CN201*
IDSET
IDSET
5V
LINK LED
MODE SW
POWER SW
4
1
CN1002
H1004*
-23.5V
5
5
H1001*
CN201*
DC DET
6
6
H1001*
CN201*
L
RED
CN101*
TL10*
N
BLK
CN101*
TL20*
POWER SW
2
3
CN1002
H1004*
MODE SW
1
4
CN1002
H1004*
PCONT
7
7
CN1000
-
RF MUTE
10
10
CN1000
-
LINK LED
CH2 R OUT
IDSET
DC DET
5V
RF PCONT
RF MUTE
LINK
8
8
CN1000
-
+5V
PCONT
+23V
-23V
MUTE
+5V
7
7
H1001*
CN201*
P5701
POWER AMPLIFIER
C1BA00000497
IC5200
-
+
Q1007,Q1008
SPEAKER
PROTECTION
SWITCH
OUT1 10
BOOT1 9
OUT2 14
BOOT2 15
3 IN1-
22 IN2+
23 MODE
2
CN1005
1
CN1005
2
1
6
7
DUAL
OP-AMP
C0ABBB000244
IC3002
+23.5V
+16V
Q2002
+16V VOLTAGE
REGULATOR
Q2010
STABILIZER
LED DRIVE
SWITCH
Q1009
VOLTAGE
SUPPLY
CONTROL
-23.5V
Q2011
-16V VOLTAGE
REGULATOR
-16V
+23.5V
-23.5V
5V
+5V
+16V
-16V
+5V
Q1003
+5V POWER
SUPPLY
+5V
: AUDIO OUTPUT SIGNAL LINE
AC INLET
DAMP P.C.B.
AC INLET P.C.B.
POWER BUTTON P.C.B.
LED P.C.B.
SPEAKER
SUBWOOFER
NOTE: “ * ” REF IS FOR INDICATION ONLY
LED
FREQUENCY
SU-HTB550PH
D2000
DIGITAL RECEIVER MODULE P.C.B.
SMPS MODULE P.C.B.
SECONDARY
PRIMARY
Содержание SU-HTB550PH
Страница 6: ...6 1 7 Safety Installation Instructions ...