Main P.c.board; Schematic Diagram - Onkyo SKS-HT540B Service Manual

A

SCHEMATIC DIAGRAM

SKW-540 : POWERED SUBWOOFER
LINE INPUT
P301
1
R301
1K
C955
223J
E801
OUTPUT
LEVEL
2
C951
220/16
3
C952
220/16
4
Q301(2/2)
NJM4558LD
5
6
D601
MTZJ2.7B
5
B
Q301(1/2)
NJM4558LD
8
1
3
C302
2
4
47/50
R305
33K
C303
NC
R951
(2W)
3.3K
POWER NEED TO CONFIRM
R952
3.3K (2W)
8
D603
1SS133
7
R605
22
4
R603
150K
Q602
D602
KRC103M
MTZJ2.7B
R307
2.2K
C501
R501
1K
47/50
R502
C502
47K
NC
R510
100K
C527
1/50
Q603
2SC1740S-S
R610
560K
470K
R613
120K
R617
D605
R614
1K
1SS133
R615
22K
C950
104/50
C
U01 MAIN PC BOARD
R505 R506
1K 1K
(1/4W) (1/4W)
Q501 Q502
2SC2240-BL 2SC2240-BL
C505
0
020
C503
-0.6 R507
224J
33K
R522
R521
220 220
R509
R503
1K
5.6K
R508
R527
Q503
(1/4W)
270
2SC2240-BL
C504
R504
220/16
2.2K
Q606
KRA103M
R619 P631
22K
Q607
2SA933S
R620 Q605
2SA933S
100K
R621
R622
R616 1K
10K
100K
P632A
GREEN RED
LED
SKS-HT540
D
NAAF-
R511 R51
82
82
Q509
(1/4W) (1
2SA949-Y
Q505
2SA949-Y
R515
12K
Q507
2SA949-Y
R516
12K
0
2SC2229-Y
47
Q510
Q506
2SC2229-Y
R51
R512
82
68
(1/4W)
5.0
R624
100K
0.05
R623
R627
100K
0.6
680K
Q608
2SC1740S-S
R626
2.2M
C60
R625
33/3
180K