D-Amp & Smps Circuit - Panasonic SA-PT750PL Service Manual

20.3. D-Amp & SMPS Circuit
1 2 3
SCHEMATIC DIAGRAM - 11
A
F
D-AMP CIRCUIT
:+B SIGNAL LINE
B
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
C
C5550
0.01
1 1A VCC 14
C5556
0.01
D5501 - D5502
6A
B0ACCE000003 2 1Y 13
C5557
100P
X5501
3
H2A7003A0011 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
13
2 01 O2
3 CP1 12
02
4 CD1 CP2 11
5 10
D1 CD2
6 9
SD1 D2
F
8
7 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
C5562
OSC
6.3V1000
C5317 R5307
C5312
0.47 5.6K
IN+_SW
330P
SW+5V
C5314
R5306
0.47
5.6K
R5311
VDDA3
10
VDDP
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
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C5324 C5322
C5313 C5316 C5305
C5323 0.015 0.015
0.1 0.1 0.1
220P
C5307
C5311
R5302 R5305 220P
220P
10 10
C5326 C5325
220P
220P
C5540
63V47
MODE1
MODE2
DC_DET
Q5102
B1ABCF000176
Q5101 DC DETECT
B1ABCF000176
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-
2 SUBWOOFER -
SW+
1 SUBWOOFER +
7 8 9
105
10 11
19 20 21 22 23 R5304
100
MODE2
C5304
C5306
330P
0.1
C5333
1000P
K5500 0
L5300
G0A150L00003
1 2
3 4
D5645
B0ACCK000005
R5020
120K
FR_+
DC_DET
R5019
68K FL_+
SW_+
R5218 68K
120K SW_-
R5228
R5318 120K C_+
R5328 68K C_-
FAN_GND
SIGNAL
C5697
SIGNAL
10 11
SA-PT750PL
12 13 14
TO D-AMP
SECTION (2/2)
F4
F2
F3
SW_+
L5301
G0B9R5K00003
SW+
1 2
F1
SW-
3 4
FAN_DC
F6
ZJ5410
3 2 1
CN5501
C5693
0.1
1 FAN DC OUT
TO FAN
2 FAN GND
3 FAN LOCK
Q5640
B1BACD000018
FAN MOTOR DRIVE
Q5641 Q5642
B1ABCF000011
B1ABCF000011
FAN LOCK DETECT
FAN MOTOR DRIVE
R5639 R5640
R5670 R5637
0
Q5642 3.3K 0 10
R5656
10K
C5696
25V22
Q5644
R5660
B1ABCF000011 10K
FAN MOTOR DRIVE
D5643
B0ACCK000005
50V1
signal_trigger
D5644
B0ACCK000005
1/2 2/2
SA-PT750PL D-AMP CIRCUIT
12 13 14