Panasonic SA-HR45E Service Manual page 48

SA-HR45E / SA-HR45EG
13.3. (C) Digital Amp Circuit
SCHEMATIC DIAGRAM - 6
DIGITAL AMP CIRCUIT
Q5400
B1ADCF000001
OSCILLATING SWITCH
Q5401
B1ABDF000033
OSCILLATING SWITCH
WA524 WA525
18 F_HOP F_HOP
1
PCONT 0 0 PWR_AMP
2
WA514
FAN_LOCK FAN_LOCK
3
MUTE_SC MUTE_SC
0
4
Q5400
DC_DET DC_DET
5
MUTE_ALL MUTE_ALL
6
7
C C
Q5401
8
TO BEAT_PROOF WA540 WA541 BEAT_PROOF
9
MAIN
0 0
10
CIRCUIT
AGND
(CN200A) IN
11
SL SL
SCHEMATIC
12
DIAGRAM-4 AGND
13
SR SR C5401
14
R5401 100P
AGND 10K
15
FL FL
16
AGND
R5400
17
1K
FR FR
18
1
WA531
CN200B
0
GND
R5507
2
TO FAN
FANDCOUT
1
CN5500
B1ABDF000033
FAN ON/OFF SWITCH
R5506
WA537
0
Q5501
2SB0621AHA
SUPPLY SWITCH
R5800
ZJ502
1
C5801
2200P
R5009
1.5K
WA534
BEAT_PROOF
0
+9V +9V
10
Q5007
GND
9
2SC3940ARA
-30V
8
BEATPROOF ON/OFF
TO
-30V
7
POWER
GND
6
CIRCUIT
POWER_GND
5
(JW850) IN
POWER_GND
SCHEMATIC
4
DIAGRAM-9 GND
3
+30V
2
+30V
1 +5V
Q5005
CN850
B1BACG000023
REGULATOR
D5006
MAZ80620ML
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
IC5400
C0JBAB000011
HEX INVERTER
R5404 WA533
100K 0
1 1A VCC 14
C5400 WA530 C5406
R5408
470P 0 100P
100K
2 1Y 6A 13
R5405
6.8K
3 2A 6Y 12
R5403
4 11
100K 2Y 5A
WA532
0
5 3A 5Y 10
X5400 R5406
H2A6023A0011 1M
9
6 3Y 4A
X5401
GND 4Y 8
7
H2A7003A0011
C5402 C5403
100P 100P
R5402 WA501
4.7 0
56K
Q5503
C5504
Q5502 WA535 R5508
B1GBCFJJ0040
6.3V100
0 10K
FAN LOCK SWITCH
D5503
B0ACCK000005
10K
R5509
R5510
56K C5505
82
10V220
D5502
B0ACCK000005
R5505
C5503 1K
16V33
R5504
4.7K
R5503
5.6K
R5501
10K
Q5500
B1ABDF000033
FAN POWER SUPPLY
R5500
CONTROL SWITCH
C5501 100K
50V2.2
D5501
C5500
D5500 B0ACCK000005
16V10
B0ACCK000005
R5010 R5008
R5011
47 47
47
C541 C5006 LB501
35V470 0.1 J0JKB0000020
LB500
J0JKB0000020
C540 C5005
35V470 0.1
C5004 R5007
0.1 10K
IC5401
C0JBAF000654
DUAL D TYPE FLIP FLOP
1 1A VCC 14 1
OSC
2 1Y 6A 13
C603 0.47 R541 5.6K
3 2A 6Y 12 R543 5.6K
FL
C605
4 11 C601 0.47
2Y 5A
1000P
5 3A 5Y 10
9
6 3Y 4A
+29V
GND 4Y 8
7
-29V
FAN_LOCK
+9V
1
OSC
C653 0.47 R561 5.6K
R563 5.6K
FR
C655
C651 0.47
WA512
1000P
0
+29V
SIGNAL
-29V
-29V
C5509
C5008
35V470
0.1
+29V
C5508
C5007
35V470
0.1
48
IC553
C1AA00000755
POWER AMP
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C629 C622
0.1 0.015
C607 C609 C613 C615 C623
330P 0.1 0.1 220P 0.015
C621 R544 C620
C611
220P 10 220P
0.1
R545
10
C624
220P
R554
C625
10
220P
LB506
J0JKB0000020
C644
35V470
C645
35V470
LB507
J0JKB0000020
R555
10
IC554
C1AA00000755
POWER AMP
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C679 C672
0.1 0.015
C657 C659 C663 C665 C673
330P 0.1 0.1 220P 0.015
C671
R564 C670
C661
220P
10 220P
0.1
R565
10
C674
220P
R574
C675
10
220P
LB508
J0JKB0000020
C694
35V470
C695
35V470
LB509
J0JKB0000020
R575
10
SA-HR45E/EG DIGITAL AMP CIRCUIT
1/2 2/2
19 20 21 22 23
C612 C608 C606
0.1 0.1 330P
C610
0.1
L504
ETQA17B150
R546
22
C630
1
C632
0.1
C633
0.1
C631
1
R547
22
L505
ETQA17B150
19 20 21 22 23
C662 C658 C656
0.1 0.1 330P
C660
0.1
L506
ETQA17B150
R566
22
C680
1
C682
0.1
C683
0.1
C681
1
R567
22
L507
ETQA17B150