D-Amp Circuit - Panasonic SA-PT480PH Service Manual

17.3. D-Amp Circuit

1 2 3
SCHEMATIC DIAGRAM - 15
A
C
D-AMP CIRCUIT
B
C
CN5402
18
R5370
RESET 1
R5371
MUTE 2
R5390
SDA_2 3
R5391
SCL_2 4
MCLK_GND 5
R5375
MCLK 6
A DGND
7
TO R5376
LRCLK 8
MAIN(MICON)
R5377
SCLK 9
CIRCUIT (CN2006)
D
SDATA4 10
IN SCHEMATIC
R5379
SDATA3 11
DIAGRAM - 8
R5380
SDATA2 12
R5381
SDATA1 13
DGND 14
DCDET 15
R5470
ECO 16
FAN SIGNAL
17
+3.3V 18
1
J0JBC0000015
R5475
0
E
JK5001
G2
SURROUND L - 12
SURROUND L + 11
SURROUND R -
10
SURROUND R + 9
FRONT L - 8
FRONT L + 7
TO SPEAKERS
FRONT R -
6
FRONT R + 5
F
CENTER -
4
CENTER + 3
SUBWOOFER -
2
SUBWOOFER + 1
G1
G
H
4 5 6
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
DAP_REST
330
DAP_MUTE
330
330 DAP_SDA_2
DAP_SCL_2
330
DAP_MCLK
47
DAP_LRCLK
47
DAP_SCLK
47
R5447 4.7K 12VSW
DAP_SDIN3
47
DAP_SDIN2
47
DAP_SDIN1
47
C5350 C5351
DCDET
0.1 0.1
47K ECO
C5352 0.01
FAN_SIGNAL
C5354 0.1
C5356 0.1
L5300
C5357 0.01
DAP_MCLK
QR5400
DAP_REST
B1GBCFNN0038
/SD C5358
DC DETECT
0.1
SPK_GND
C5359
SL-
10
SL+
SR- DAP_MUTE
SR+
DAP_SDA_2
FL- DAP_SCL_2
FL+
DAP_LRCLK
FR-
FR+
C-
C+
SW-
SW+
7 8 9
IC5401
C0EBE0000456
RESET
NC VSS
4 3
C5432
0.01
VDD 2
R5444
10K
5 NC OUT 1
IC5301
C1AB00002461
PWM PROCESSOR
R5387 47
38
1 VR_ANA PWM_1
R5386 47
2 37
AVDD PWM_2
R5385 47
3 PWM_3
AVSS 36
R5384 47
4 AVSS PWM_4 35
R5383 47
R5350 200
5 34
PLL_FLTM PWM_5
R5351 200 R5382 47
6 PLL_FLTP PWM_6 33
R5388 47
7 32
AVSS VALID2
8 MCLK VALID1 31
C5365
9 30
/RESET VR_DIG 0.1
10 /PDN DVSS 29
11 28
DVDD DVSS
12 DVSS /BKND_ERR 27
DAP_SDIN1
13 DVSS_OSC SDIN1 26
DAP_SDIN2
R5353 18.2K
14 OSC_RES SDIN2 25
0.1 DAP_SDIN3
C5361
15 VR_OSC 24
SDIN3
16 /MUTE SDIN4 23
SDA
17 SDOUT 22
18 SCL RESERVED 21
DAP_SCLK
19 20
LRCLK SCLK
TO D-AMP
SECTION (3/4)
127
10 11 12
C5436
0.1
IC5402
C0JBAA000501
AND GATE
1 VCC 5
2
VALID2
3 GND 4
C5433
0.1
PWM_SL
PWM_SR
C5434
0.1
PWM_FL+
PWM_FR+
PWM_C+
IC5404
PWM_SW+
C0JBAB000837
INVERTER
PWM_C-
1 6
2 GND VCC 5
PWM_SW-
3 4
C5435
0.1
GND
IC5405
C0JBAA000501
AND GATE
VCC
1 VCC 5
2
VALID1
3 GND 4
1/4 2/4
3/4 4/4
SA-PT480PH D-AMP CIRCUIT
13 14
TO D-AMP
SECTION (2/4)
P1