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SA-HT670PC
SCHEMATIC DIAGRAM-6
POWER CIRCUIT
IC501
RSN311W64B-P
Power Amp IC
C551
0.01
IN
SUB
FL IN
FR IN
GND
IN
E501
SNE1004-2
26
25
24
23
R501
4.7K
R502
4.7K
R506
15K
R505
C501
C504
15K
1000P
680P
C503
1000P
R503
15K
CN501
FAN+
1
FAN-
2
DC DET
3
R504
SYS6V
4
15K
MUTE H
5
D.GND
6
FL
7
A.GND
8
A.GND
TO
9
MAIN
FR
10
CIRCUIT
A.GND
11
(CN2006) ON
SL
SCHEMATIC
12
DIAGRAM-3
A.GND
13
SR
14
C
15
SW
16
PCONT
17
SYNC
18
19
Q507
B1ACCF000063
R553 47K
Regulator
R561 100
R550 10K
D506 B0AACK000004
D505 B0AACK000004
Q521
2SD0592ARA
Regulator
Q508
2SD0592ARA
Regulator
D530
B0EAKM000117
H504
SUBAC1
1
2
SUBAC2
TO
3
REGULATOR
SUB+B
4
CIRCUIT
FL2
5
(CN2007) ON
FL1
SCHEMATIC
6
DIAGRAM-5
: MAIN SIGNAL LINE
: +B SIGNAL LINE
-DI
+DI
IH
DISP
C IN
-VD
+VD
SR IN
SL IN
RELAY
SL O
SR O
GND
SENS
SENS
DET
HMUT
22
21
20
19
18
17
16
15
14
13
12
11
10
R513 56K
C507 18P
R514 56K
C508 18P
R516 56K
C510 22P
R526 120K
R525 150K
R515 56K
C509 22P
R527 120K
R517 56K
C511 22P
R518 56K
C512 22P
R512
15K
C517
R544
0.01
100
R531
1.0
Q511
B1BACG000009
R532
R402
4.7K
1K
DC Detect Switch
Q520
R546
B1GCCFJJ0015
Q503
1K
Muting Control
KTC3199GRTA
Muting Switch
D504
B0AACK000004
Q501
Q505
KTC3199GRTA
KTC3199GRTA
Overload Detect
DC Detect Switch
Q506
B1GCCFJJ0015
Power Supply Switch
Q509
2SD0592ARA
C574
0.01
Regulator
C538
R556
50V10P
D507
10K
B0AACK000004
Q510
B1ACCF000063
Regulator
Q522
R552
4.7K
2SD0592ARA
R554
2.2M
Regulator
C537
0.01
R594
R591
22
22
D529
B0EAKM000122
R592
R593
C540
22
22
C576
16V10
0.01
C530 0.001
C531 0.001
C532 0.001
-VCC
+VCC
-VCC
+VCC
AC IN
C O
SUB O
FR O
FL O
LOW
LOW
HI
HI
C533 0.001
9
8
7
6
5
4
3
2
1
R530
1.0
D515
B0EAKM000122
E500
C546
SNE1004-2
35V3300
R568
150
D508
B0AACK000004
Q502
KTC3199GRTA
Overload Detect
R567
1.5K 1/2W
Q524
C573
R558
1000P
3.9K
B1BCCG000021
R566
Regulator
220K
R596
D533
150
C575
D531
B0BA01100004
0.01
B0AACK000004
Q523
C572
D534
50V100
B0BA01100029
B1ACCF000063
C536
R595
Regulator
25V330
1K
FP1
5A
66
AC INLET CIRCUIT
Q516
R589
KRC102MTA
10K
Switch
H502
R580
22
1
PCONT
2
D GND
Q517
JK501
3
SR Lch
SYNC
B1BACG000009
+
4
Regulator
SYS6V
-
5
SR Rch
SUB+B
+
6
TO
-
SPEAKERS
CENTER
+
R588
150
-
JK502
SUB WOOFFER
+
-
F Lch
R401
+
TO
220K
-
SPEAKERS
F Rch
+
-
C550 0.01
Q519
Q515
KTC3199GRTA
KTC3199GRTA
Relay Drive
Relay Drive
CN502
1
PCONT
2
SYNC
3
GND
4
TRANSFORMER
SYS6V
5
SUB+B
CIRCUIT
6
T501
H503
CN503
ETP76VSUE2EA
1
1
2
2
W1
3
3
4
4
W2
5
5
6
6
7
7
8
8
9
9
10
10
delete
the box
11
11
12
12
FC502
EYF52BC
Z501
ERZV10V511CS
C555
35V4.7
T502
ETP28KBZA1PU
RLY501
RSY0040M-O
3
1
4
2
C500
0.001
AC INLET
L500
120V 60Hz
RLQZ371
JK500
125V 5A
FC501
EYF52BC
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