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SCHEMATIC DIAGRAM-3 : POSITIVE VOLTAGE LINE
FAN MOTOR
B MAIN CIRCUIT : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE
M
7.6V 7.6V
-10.4V 1 2
Q556 JK551
MA700ATA
MA700ATA
IC601 2SC5398RSTA
D757
D756
RSN311W64B SWITCHING R566
POWER AMP 68K
4.7V 0.5V FAN ON:0V
6.3V100
RL1N4003N02 RL1N4003N02
16V10
C555
C371
R560
100K
FAN ON:0V
MA165TA
R568 C556
R570 0.5V
D583
D554
100 16V10
N
0V 0V
2.2M
R569
10K
MA700ATA
N
D553
C552 R559 Q557
7.6V
0.01 4.7K -10.4V 2SA1995RSTA
MOTOR DRIVE
D582
-10.4V -10.4V
0.3V R558
R591
4.7K Q555 2.2K
2SD2144STA
R557
Q551 Q554
10K
SIGNAL LEVEL DET.
2SA1995RSTA 2SA1995RSTA
16V220
C554
SIGNAL LEVEL DET. SIGNAL LEVEL DET.
R567
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
22
D552 D555
MA165TA MA4100MTA 7.6V
50V2.2
0V 0V 0V 0V -51.4V 54.1V 0V 0V -29.7V 29.4V -0.2V 0V 0V 0V 0V -29.3V 28.9V 0V -59.5V 59.5V 0V 0V
R556
100K
MA165TA
C551
7V
D551
1000P
1000P
1000P
1000P
470P
470P
470P
470P
C550
0.01
R561 0V C559
SB360L6508
SB360L6508
100K 0.01
50V0.47
C648
R627
C616
D602
D601
470K
C603
C604
C607
C608
C649
C650
C605
C606
1000P
N
MA165TA
D658
7.6V
R555
22K
0V
R546
R551
R552
R547
18K
18K
47K
18K
Q553 6.8V
R612 56K
2SD2144STA FAN ON:1.6V
B A MOTOR DRIVE
RL1N4003N02
C610 56P R620
120K
D581
R611 56K
A C609 56P
B
R619 120K
R610 150K
C
C612 15P R622 120K
R609 56K
D
R602 C611 39P R621 150K
3.3K R608 56K
E
R601 C614 47P R624 150K
3.3K R607 56K
F
R604 C613 47P R623
3.3K 120K
G
R796 Q704
10V100
C622
2.2
R618
R628
7.6V 30.1V
4.7K
22K
R685 5.1V 5.1V 8.1V
0V
0.7V 1K 0V Q703,704
2SD2137PQTA
0V D607 REGULATOR
Q607 Q601 Q602 R635
1SS291TA
MA165TA
MA165TA
R686 R691 R648 2.2K R797 Q703 R769 R767
D659
D657
0V 1K 68 120 2.2 27 27
0.7V 7.6V 30.1V
0.047
C724
Q601,602
0.047
C617
C723
R727
0.01