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SA-PT460EB / SA-PT460EG
19.5. D-Amp Circuit
1
2
3
SCHEMATIC DIAGRAM - 12
A
F
D-AMP CIRCUIT
B
IC5500
C0JBAB000902
C5562
6.3V1000
INVERTER GATE
(CLOCK GENERATOR)
C5550
C
0.01
1
1A
VCC
14
C5556
D5501 - D5502
0.01
6A
MA2J11100L
2
1Y
13
C5557
100P
X5501
H2A7003A0011
3
2A
6Y
12
C5551
390P
4
5A
2Y
11
C5553
100P
5
3A
5Y
10
X5500
H2A6023A0011
6
3Y
4A
9
C5552
R5505
D
390P
100
7
8
GND
4Y
W5071
0
1
O1
VCC
14
E
2
O1
O2
13
3
CP1
O2
12
4
CD1
CP2
11
10
5
D1
CD2
6
SD1
9
D2
7
8
GND
SD2
F
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
G
K5253
0
...PT460
K5254
0
...PT460
H
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
FHOP
FAN_DC
FAN_GND
1
2
3
4
5
OSC
C5312
C5313
C5316
C5317
R5307
0.1
IN+_SW
0.47
5.6K
330P
C5314
R5306
SW+5V
0.47
5.6K
VDDP
VSSP
R5310
10
VSSA3
OSC
SW+5V
R5610
Q5603
1.2K
B1ADCE000012
R5611
SWITCH
1.2K
SW+5V
Q5604
R5602
B1ABCF000176
10K
MOD_DA
SWITCH
Q5601
B1ABCF000176
MUTE_F
SWITCH
R5609
10K
R5606
10K
MUTE_S
4
5
6
7
8
9
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
C5324
C5322
C5304
C5305
C5306
C5323
0.015
0.015
330P
0.1
0.1
0.1
220P
C5307
C5311
R5302
R5305
220P
220P
10
C5333
10
1000P
C5326
C5325
220P
220P
MODE1_2
MODE1
R5111
120K
MODE2
R5113
68K
R5020
120K
R5019
68K
Q5102
B1ABCF000176
R5218
68K
R5228
120K
DC DETECT
Q5101
R5318
120K
B1ABCF000176
R5328
68K
DC DETECT
Q5602
B1ABCF000176
SWITCH
AGND
7
8
9
108
10
11
12
R5304
22
23
100
MODE2
SW_+
K5500
0
L5300
G0A150L00003
1
2
3
4
C5693
0.1
SR_+
SL_+
FL_-
D5645
FR_+
MA2J11100L
FL_+
DC_DET
SW_+
SW_-
C_+
Q5641
C_-
2SC5854500L
FAN LOCK DETECT
R5670
0
FAN_GND
Q5644
2SC5854500L
FAN MOTOR DRIVE
C5697
D5643
50V1
MA2J11100L
SIGNAL
D5644
MA2J11100L
1/2
2/2
SA-PT460EB/EG D-AMP CIRCUIT
10
11
12
13
14
JK5001
SL-
12
SURROUND L-
SL+
11
SURROUND L+
SR-
10
SURROUND R-
SR+
9
SURROUND R+
FL-
8
FRONT L-
FL+
7
FRONT L+
TO SPEAKERS
FR-
6
FRONT R-
FR+
5
FRONT R+
C-
4
CENTER -
C+
3
CENTER +
SW-
2
SUBWOOFER -
SW+
1
SUBWOOFER +
3
2
4
L5301
G0B9R5K00003
SW+
1
2
1
SW-
3
4
5
3 2
1
ZJ5410
CN5501
1
FAN DC OUT
TO FAN
2
FAN GND
3
FAN LOCK
Q5640
B1BACD000018
FAN MOTOR DRIVE
Q5642
2SC5854500L
FAN MOTOR DRIVE
R5639 R5640
R5637
Q5642
3.3K
0
10
R5656
10K
C5696
25V22
R5660
10K
TO D-AMP
SECTION (2/2)
13
14
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