Read Panasonic SA-HT40EE / SA-HT40GN / SA-HT40GT Service Manual Supplement online
3 Schematic Diagram
3.1. DIGITAL AMP CIRCUIT (GN/GT only)
With reference to original service manual (section 13) on page 44 for Model No. SA-HT40GN/GT-S.
C5006
0.1
WA525
0
CHANGE
CHANGE
POWER AMP IC
IC553
C1AA00000755
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
OSC
INT+
INT
-
VDDA1
SGND1
VSSA1
PROT
VDDP1
BOOT1
OUT1
VSSP1
ST
AB1
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA2
SGND2
VDDA2
IN2-
IN2+
MODE
POWER AMP IC
IC554
C1AA00000755
OSC
INT+
INT
-
VDDA1
SGND1
VSSA1
PROT
VDDP1
BOOT1
OUT1
VSSP1
ST
AB1
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA2
SGND2
VDDA2
IN2-
IN2+
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
IC LOGIC
IC5401
C0JBAF000654
1
2
13
14
3
12
4
11
5
10
6
9
7
8
IC5400
C0JBAB000011
IC LOGIC
1
2
13
14
3
12
4
11
5
10
6
9
7
8
SCHEMATIC DIAGRAM - 6
+9V
FAN_LOCK
+29V
-29V
+9V
+9V
BEAT_PROOF
CN850
CN5500
+5V
GND
GND
GND
POWER_GND
POWER_GND
POWER_GND
-30V
-30V
-30V
+30V
+30V
+30V
SIGNAL
+5V
F_HOP
FANDCOUT
GND
SW
CN200B
AGND
C
SR
AGND
AGND
SL
SL
FL
BEAT_PROOF
MUTE_ALL
DC_DET
MUTE_SC
FAN_LOCK
PWR_AMP
F_HOP
FR
SW
C
SR
AGND
SL
FL
BEAT_PROOF
MUTE_ALL
DC_DET
MUTE_SC
FAN_LOCK
PWR_AMP
F_HOP
R5404
100K
OSCILLATING SWITCH
OSCILLATING SWITCH
C5400
470P
C5403
100P
C5402
100P
C5401
100P
R5401
10K
WA531
0
R5400
1K
R5507
56K
WA537
0
WA538
0
R5508
100K
WA535
0
R5510
82
R5509
56K
R5505
1K
R5504
4.7K
SUPPLY SWITCH
BEATPROOF ON/OFF
FAN POWER SUPPLY
CONTROL SWITCH
FAN LOCK SWITCH
REGULATOR
WA539
0
R5501
10K
R5503
5.6K
R5500
100K
R5009
1.5K
R5800
1
ZJ502
R5011
47
R5010
47
R5008
47
C5004
0.1
C540
33V470
C5005
0.1
C541
33V470
C5509
33V470
C5508
33V470
C5801
2200P
C5008
0.1
C5007
0.1
LB501
J0JKB0000020
LB500
J0JKB0000020
R5007
10K
D5006
MAZ80620ML
C5501
50V2R2
C5500
16V10
D5503
B0ACCK000005
D5502
B0ACCK000005
D5501
B0ACCK000005
D5500
B0ACCK000005
C5504
6.3V100
C5505
10V220
C5503
16V33
R5506
10K
FAN ON/OFF SWITCH
Q5400
Q5401
B1ADCF000001
Q5400
B1ABCF000011
Q5401
B1ADCF000011
Q5502
2SB0621AHA
Q5501
B1ABCF000011
Q5500
2SC3940ARA
Q5007
2SC3940ARA
Q5005
B1ABCF000011
Q5503
R5408
100K
R5405
6.8K
WA530
0
R5403
100K
WA532
0
R5402
4.7
WA501
0
C5405
0.1
C5406
100P
WA533
0
C5407
0.1
C5408 16V10
R5407
22
LB5400
J0JKB0000020
R5406
1M
X5400
H2A6023A0011
X5401
H2A7003A0011
FR
AGND
OSC
WA534
0
DIGITAL AMP CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
1
2
3
4
5
6
10
8
7
7
9
15
14
13
12
11
10
2
4
6
8
9
9
7
5
3
1
17
18
18
16
1
2
C613
0.1
C615
220P
C623
0.015
C625
220P
R545
10
R554
10
LB506
J0JKB0000020
LB507
J0JKB0000020
LB508
J0JKB0000020
LB509
J0JKB0000020
C621
220P
C627 1
C626 1
C618 1
C616 0·1
C619 1
C617 0·1
C669 1
C677 1
C676 1
C668 1
C666 0.1
C667 0·1
C629
0.1
R544
10
C624
220P
C620
220P
C612
0.1
C608
0.1
C606
330P
C610
0.1
W
A542 0
C630
1
C632
0.1
C633
0.1
R546
22
R547
22
C631
1
C622
0.015
C609
0.1
C611
0.1
C607
330P
R541 5.6K
C603 0.47
C605
0.47
C601
1000P
R543 5.6K
C644
35V470
L504
15
ETQA17B150
C645
35V470
R555
10
L505
15
ETQA17B150
C
OSC
C651
1000P
C655
0.47
WA512
0
WA511
0
C653 0.47
R561 5.6K
R563 5.6K
+29V
-29V
C663
0.1
C665
220P
C673
0.015
C679
0.1
C672
0.015
C674
220P
C670
220P
WA
54
3
0
C660
0.1
C680
1
R566
22
R567
22
C682
0.1
C683
0.1
C681
1
C658
0.1
C656
330P
C662
0.1
R564
10
C671
220P
R565
10
C675
220P
C659
0.1
C661
0.1
C657
330P
R574
10
C694
35V470
L506
15
ETQA17B150
C695
35V470
R575
10
L507
15
ETQA17B150
SW
OSC
+29V
-29V
TO
POWER
CIRCUIT
(JW850) ON
SCHEMATIC
DIAGRAM-9
: MAIN SIGNAL LINE
TO
MAIN
CIRCUIT
(CN200A) ON
SCHEMATIC
DIAGRAM-4
TO FAN
WA540
0
WA541
0
WA514
0
WA524
0
SA-HT40GN/GT DIGITAL AMP CIRCUIT
1/2
1A
1Y
2A
2Y
3A
3Y
GND
VCC
6A
6Y
5A
5Y
4A
4Y
1A
1Y
2A
2Y
3A
3Y
GND
VCC
6A
6Y
5A
5Y
4A
4Y
B1BACG000023
0.01
SA-HT40EE / SA-HT40GN / SA-HT40GT
7
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