Technics SA-DV250 - Page 11

SCHEMATIC DIAGRAM-5
M
Q708
UN4211TA
SWITCHING
(POWER)
Q601 Q602
D756
MA700ATA
C603 470P C604 470P C607 470P C608 470P C649 1000P C650 1000P C605 1000P C606 1000P
C648
1000P
C617
0.01
R637
15K
R638
68K
R619 120K
R622 120K
R621 150K
R624 150K
R620
120K
R612 56K
R611 56K
R610 150K
R609 56K
R608 56K
R607 56K
C610 56P
C609 56P
C612 15P
C611 39P
C614 47P
C613 47P
R627
470K
C616
50V0.47
N
D601
SB360L6508
D602
SB360L6508
D754
RL1N4003N02
C761
0.1
D701
1N5402BM21
C709
0.1
IC601
RSN311W64B
POWER AMP
D757
MA700ATA
123456789101112131415181920212223242526 1617
R604
3.3K
R601
3.3K
R602
3.3K
R618
4.7K
Q601,602
2SC5398RSTA
PROTECTOR
D607
1SS291TA
L
K
D658
MA165TA
D657
MA165TA
B
A
R685
1K
R686
1K
Q607, 608
2SD2144STA
MUTING
Q607
Q608
C705
0.01
G
R776
10K
Q709
2SD2144STA
SWITCHING
(POWER)
R738
3.9K
R739
47K
C622
10V100
D659
MA165TA
D751
1N5402BM21
D703
1N5402BM21
D753
RL1N4003N02
D761
RL1N4003N02
D755
RL1N4003N02
D752
1N5402BM21
D702
1N5402BM21
D704
1N5402BM21
G
F
E
D
AB C
D558
MA165TA
R544
10K
R572
15K
R648
120
C618
0.01
R635
2.2K
C619
0.1
Q503
2SC5398RSTA
SWITCHING
C704
4700
C702
4700
C703
4700
C701
4700
R761
220
R628
22K
R691
68
R647
270
R623
120K
: POSITIVE VOLTAGE LINE
: NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE
7.6V
- 10.4V
0V0V59.5V - 59.5V 0V28.9V - 29.3V 0V0V0V0V - 0.2V 29.4V - 29.7V 0V0V54.1V - 51.4V 0V0V0V0V
0V
0V
5.1V5.1V
0V
0V
0.7V
0V 0V
2.1V
14.7V
0.7V
0V
0.7V
0V