D-Amp Circuit - Panasonic SA-VK880EE-K Service Manual

18.6. D-Amp Circuit

1 2 3
SCHEMATIC DIAGRAM - 14
A
M
D-AMP CIRCUIT
B
R5510
IC5500
C0JBAB000902
HEX INVERTER
(CLOCK GENERATOR)
D5502
C5550
C 0.01 MA2J1110GL
1 1A VCC 14
C5556
0.01
6A
D5501 2 1Y 13
MA2J1110GL C5557 R5515
100P 0
3 2A 6Y 12
X5501 C5551
H2A7003A0011 390P
4 2Y 5A 11
C5553
R5513
100P
100
5 3A 5Y 10
X5500
H2A6023A0011
6 9
3Y 4A
R5505
C5552 R5512
D 390P 100
0
7 8
GND 4Y
E
F
K5251 0
G
K5252 0
K5253 0
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
FHOP
FAN_DC
470
1 2 3 4 5
OSC2
C5313 C5316 C5323
0.1 0.1
C5317 R5307 C5312
IN+_SW 0.47 5.6K 330P
C5314 R5306
0.47 5.6K
VDDP
OSC2
VSSP
R5310
10
VSSA3
OSC
R5610
Q5603 1.2K
B1ADCE000012
R5611
SWITCH
1.2K
Q5604
R5602
10K B1ABCF000176
MOD_DA
SWITCH
Q5601
B1ABCF000176
MUTE_F
SWITCH
R5609
10K
R5606
10K
MUTE_S
4 5 6
7 8 9
IC5300
C1BA00000492
AUDIO DIGITAL POWER AMP
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
C5304
C5305 C5306
C5324 C5322
330P
220P 0.015 0.015 0.1 0.1
C5307
R5305 C5311
220P 10 220P
R5302
10 C5333
1000P
C5326 C5325
220P
220P
MODE1_2
MODE1
R5111 120K
MODE2
R5113 68K
R5020 120K
68K
R5019
Q5102
R5218 68K
B1ABCF000176
120K
R5228
Q5101 DC DETECT
R5318 120K
B1ABCF000176
R5328 68K
DC DETECT
Q5602
B1ABCF000176
SWITCH
AGND
7 8 9
136
10 11 12
23 R5304
100
MODE2
SW_+
D5304 B0HCMM000019
K5500 0
D5302 B0HCMM000019
D5303 B0HCMM000019
D5301 B0HCMM000019
G0B9R5K00004
1
L5300
G0A150L00003
1 2
3
3 4
SR_+
SL_+ FL_-
FR_+
FL_+
SW_+
SW_-
C_+
C_-
FAN_GND
1/2 2/2
SA-VK880EE D-AMP CIRCUIT
10 11 12
13 14
JK5001
SL-
1 SURROUND L-
SL+
2 SURROUND L+
SR-
3 SURROUND R-
SR+
4 SURROUND R+
FL-
5 FRONT L-
FL+
6 FRONT L+
FR- TO SPEAKERS
7 FRONT R-
FR+
8 FRONT R+
C-
CENTER -
9
C+
10 CENTER +
SW-
11 SUBWOOFER -
SW+
12 SUBWOOFER +
3
2
4
L5301
SW+
2
1
SW-
4
P1
3 2 1
ZJ5410
TO D-AMP
SECTION (2/2)
5
13 14