D-Amp Circuit - Panasonic SA-BT222EB Service Manual

17.3. D-Amp Circuit

1 2 3
SCHEMATIC DIAGRAM - 26
A
C
D-AMP CIRCUIT
B
C
CN5402
18
RESET 1
MUTE 2
SDA_2 3
SCL_2 4
MCLK_GND 5
MCLK 6
A
DGND 7
TO
LRCLK 8
MAIN(MICON)
SCLK 9
CIRCUIT (CN2006)
SDATA4 10
IN SCHEMATIC
D
SL/SR SDOUT3 11
DIAGRAM - 18
C/SUBW SDOUT2 12
FL/FR SDOUT1 13
DGND 14
DCDET 15
ECO 16
FAN SIGNAL
17
+3.3V 18
1
RL5000*
E
P5501
G2
FRONT L - 6
FRONT L +
5
FRONT R - 4
TO SPEAKERS
FRONT R + 3
SUBWOOFER - 2
F
SUBWOOFER +
1
G1
G
H
4 5 6
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
DAP_REST
R5370 330
DAP_MUTE
R5371 330
R5390 47 DAP_SDA_2
DAP_SCL_2
R5391 47
R5375 47 DAP_MCLK
DAP_LRCLK
R5376 47
DAP_SCLK
R5377 47
DAP_SDIN3
R5378 47
DAP_SDIN2
R5379 47
DAP_SDIN1
R5380 47
C5350 C5351
DCDET
0.1 0.1
C5352 0.01
FAN_SIGNAL
C5354 0.1
C5356 0.1
L5300
C5357 0.01
J0JBC0000015
DAP_MCLK
C5412
0 DAP_REST
C5358
C5413 0.1
1000P
TL 5000 C5359
10
SPK_GND
DAP_MUTE
DAP_SDA_2
DAP_SCL_2
FL-
DAP_LRCLK
FL+
FR-
FR+
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
1 VR_ANA PWM_1 38
2 37
AVDD PWM_2
R5385 47
3 PWM_3
AVSS 36
R5384 47
4 AVSS PWM_4 35
R5350 200
5 34
PLL_FLTM PWM_5
R5351 200 R5381 0
6 PLL_FLTP PWM_6 33
R5388 47
7
AVSS VALID2 32
R5389 47
8 31
MCLK VALID1
C5365
9 30
/RESET VR_DIG
0.1
10 /PDN DVSS 29
11 DVDD DVSS 28
12 27
DVSS /BKND_ERR
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 23
SDIN4
SDA
17 SDOUT 22
18 SCL RESERVED 21
DAP_SCLK
19 20
LRCLK SCLK
TO D-AMP
SECTION (3/3)
111
10 11 12
IC5402
C0JBAA000501
AND GATE
1 VCC 5
2
3 GND 4
C5433
0.1
PWM_FL+
PWM_FR+
R5382
IC5404
47
PWM_SW+
C0JBAB000837
INVERTER
1 6
2 GND VCC 5
R5383
47
3 4
C5435
0.1
IC5403
C0JBAA000501
AND GATE
1 VCC 5
2
3 GND 4
1/3 2/3
3/3
SA-BT222EB/EG D-AMP CIRCUIT
13 14
TO D-AMP
SECTION (2/3)
VALID2
PWM_SW-
GND
VCC
VALID1
P1
1
2
3