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125
17.3. D-Amp Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
C
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 15
SA-PT880EE D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
SECTION (2/4)
SECTION (2/4)
TO D-AMP
SECTION (3/4)
SECTION (3/4)
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
A
TO
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 8
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 8
1
18
SW-
C+
SW+
FR+
FR-
C-
SL-
FL+
SR+
SL+
SR-
FL-
1
G1
8
9
11
10
12
5
6
2
4
3
7
G2
JK5001
TO SPEAKERS
C5434
0.1
PWM_C-
PWM_FR+
PWM_C+
DCDET
DAP_SDIN1
R5381
47
R5387
DAP_REST
R5351
200
R5350
200
ECO
L5300
J0JBC0000015
R5470
R5475
0
47K
0.1
C5356
0.01
C5357
0.01
C5352
DAP_MCLK
C5354
0.1
47
R5383
47
R5384
47
R5388
C5365
0.1
47
R5382
R5386
47
47
47
R5385
10K
R5444
C5436
0.1
3
1
2
4
5
C0EBE0000456
RESET
IC5401
C5432
0.01
3 GND
1
2
4
5
VCC
C0JBAA000501
AND GATE
IC5402
GND
GND
SPK_GND
/SD
VCC
C0JBAA000501
AND GATE
IC5405
C5433
0.1
PWM_FL+
C0JBAB000837
INVERTER
IC5404
DAP_SDIN2
DAP_SDIN3
R5379
47
PWM_SL
47
R5375
DAP_SCLK
DAP_MCLK
DAP_LRCLK
R5376
47
DAP_SDA_2
DAP_MUTE
DAP_SCL_2
12VSW
R5371
330
DAP_REST
R5370
330
R5391
330
R5390
330
R5377
47
R5447
4.7K
R5380
47
9
7
5
2
3
1
4
6
8
17
15
13
10
12
11
14
16
18
CN5402
C5350
0.1
C5351
0.1
C5359
10
PWM_SR
VALID2
VALID1
DAP_SCLK
DAP_SCL_2
DAP_LRCLK
3
1
2
4
5
DAP_SDIN2
DAP_SDIN1
DAP_SDIN3
3
1
2
4
6
5
C5358
0.1
PWM_SW-
DAP_MUTE
DAP_SDA_2
R5353
18.2K
C5361
0.1
47P
C5363
0.1
C5366
47P
C5362
C5435
0.1
PWM_SW+
37
31
30
10
29
5
34
33
35
7
32
20
19
17
15
13
11
12
14
16
23
22
27
28
25
24
26
18
21
3
4
6
8
9
2
1
36
38
C1AB00002461
PWM PROCESSOR
IC5301
B1GBCFNN0038
DC DETECT
QR5400
SCLK
ECO
VR_OSC
SDIN3
SDIN4
DVSS
DVSS
SDIN1
/BKND_ERR
SDIN2
LRCLK
SCLK
SDOUT
RESERVED
SDA
/MUTE
OSC_RES
DVDD
/PDN
DVSS
DVSS_OSC
SCL
AVSS
AVSS
AVDD
VR_ANA
PWM_4
PWM_3
PWM_5
PLL_FLTM
PWM_1
PWM_2
MCLK
/RESET
AVSS
PWM_6
VR_DIG
VALID2
VALID1
PLL_FLTP
DGND
LRCLK
+3.3V
SDATA3
SDATA2
DCDET
SDATA1
FAN SIGNAL
SDATA4
MCLK_GND
MUTE
MCLK
NC VSS
NC
VDD
SDA_2
RESET
SCL_2
DGND
OUT
GND VCC
VCC
SURROUND L -
CENTER -
CENTER +
FRONT R -
FRONT L -
FRONT L +
FRONT R +
SUBWOOFER -
SUBWOOFER +
SURROUND L +
SURROUND R +
SURROUND R -
FAN_SIGNAL
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