D-Amp & Smps Circuit - Panasonic SA-PT750PC Service Manual

20.4. D-Amp & SMPS Circuit
1 2 3
SCHEMATIC DIAGRAM - 13
A
H
D-AMP CIRCUIT
:+B SIGNAL LINE
B
IC5500
C0JBAB000902
C5562
INVERTER GATE
6.3V1000
(CLOCK GENERATOR)
C
C5550
0.01
1 1A VCC 14
C5556
0.01
D5501 - D5502
2 1Y 6A
B0ACCE000003 13
C5557
100P
X5501
H2A7003A0011 3 2A 6Y 12
C5551
X5500
390P
H2A6023A0011
4 2Y 5A 11
C5553
100P
5
3A 5Y 10
D
6 3Y 4A 9
C5552 R5505
390P 100
7 8
GND 4Y
E
1 O1 VCC 14
2 01 O2 13
3 CP1 02 12
4 11
CD1 CP2
10
5 D1 CD2
6 SD1 9
D2
F
7 8
GND SD2
IC5501
C0JBAF000716
D-TYPE FLIP-FLOP
G
H
1 2 3
4 5 6
:-B SIGNAL LINE :MAIN SIGNAL LINE
FHOP
FAN_DC
FAN_GND
1 2 3 4 5
OSC
C5313 C5316
R5307
C5317 C5312
0.1 0.1
IN+_SW 0.47 5.6K
330P
SW+5V
C5314
R5306
0.47 5.6K
R5311
VDDA3
10
VDDP
C5540
63V47
VSSP
R5310
10
VSSA3
OSC
SW+5V
R5610
Q5603 1.2K
B1ADCE000012
R5611
MUTING
1.2K
SW+5V
Q5601 - Q5602
B1ABCF000176
MUTING
R5602
R5609
10K
10K
MOD_DA
R5606
Q5604
Q5601 10K
B1ABCF000176
MUTING
MUTE_F
MUTE_S
K5253 0
K5252 0
K5251 0
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
220P
C5307
C5311
R5302 R5305 220P
220P
C5333
10 10
1000P
C5326 C5325
220P 220P
MODE1
MODE2
R5020
120K
DC_DET
Q5102
R5218
B1ABCF000176
R5228
DC DETECT
Q5101
R5318
B1ABCF000176
R5328
DC DETECT
AGND
JK5001
FL-
8 FRONT L-
FL+
7 FRONT L+
FR-
6 FRONT R-
FR+
5 FRONT R+
TO SPEAKERS
C-
4 CENTER -
C+
3 CENTER +
SW-
SUBWOOFER -
2
SW+
SUBWOOFER +
1
7 8 9
113
10 11 12
R5304
22 23
100
MODE2
K5500 0
L5301
G0B9R5K00003
1 2
L5300
G0A150L00003
1 2
3 4
3 4
ZJ5410
3 2 1
C5693
0.1
D5645
B0ACCK000005
Q5641
FR_+ B1ABCF000011
FAN LOCK DETECT
DC_DET
R5019
68K FL_+
R5670
SW_+ 0
68K
120K SW_-
120K C_+
68K C_-
FAN_GND
SIGNAL Q5644
B1ABCF000011
FAN MOTOR DRIVE
D5643
B0ACCK000005
C5697
50V1
SIGNAL
D5644
B0ACCK000005
1/2 2/2
SA-PT750P/PC D-AMP CIRCUIT
10 11 12
SA-PT750P / SA-PT750PC
13 14
TO D-AMP
SECTION (2/2)
H4
H2
H3
SW_+
SW+
H1
SW-
FAN_DC
H6
CN5501
1 FAN DC OUT
2 FAN GND TO FAN
3 FAN LOCK
Q5640
B1BACD000018
FAN MOTOR DRIVE
Q5642
B1ABCF000011
FAN MOTOR DRIVE
R5639 R5640
R5637
Q5642 3.3K 0 10
R5656
10K
C5696
25V22
R5660
10K
signal_trigger
13 14