Main P.c.board - Onkyo HTP-750 Service Manual

A B
SCHEMATIC DIAGRAM
SKW-750X : POWERED SUBWOOFER
LINE INPUT
Q301(1/2)
P301
NJM4558LD
1
R301 8
3 1
1K
C302 2
C955 4
47/50
R305
223J
33K
E801
C303
NC
OUTPUT
LEVEL
2
R951
3.3K (2W)
C951
220/16
POWER NEED TO CONFIRM
3
C952
220/16
R952
3.3K (2W)
4
Q301(2/2)
NJM4558LD
8
D603
5
1SS133
7
6
R605
22
4
R603
150K
D601 D602
MTZJ2.7B MTZJ2.7B
5
C
U01 MAIN PC BOARD
R307
2.2K
R505 R506
1K 1K
(1/4W)
(1/4W)
Q501 Q502
2SC2240-BL 2SC2240-BL
C501
R501 0
1K
47/50
C503
-0.6
R502 224J
C502
47K
NC
R521 R522
220 220
R509
R503
1K
5.6K
R527
Q503
270
R510 2SC2240-BL
100K
C527
1/50
C504
R504
220/16
2.2K
Q606
Q603
KRA103M
2SC1740S-S
R610
R619 P631
560K
22K
Q607
2SA933S
470K
R620 Q605
R613
120K
2SA933S
Q602
R617 100K
KRC103M
R614 D605
1K
1SS133
R621
R622
R615
R616 1K
10K
22K
100K
C950
104/50
D607
1SS133
P632A
BLUE RED
LED
D E
NAAF-8829
<Note>
NC : No mount of parts.
R511 R513
82 Q518
Q509 82
2SC2235-Y
(1/4W) 2SA949-Y (1/4W)
1.6V
Q517
2SA933S-S
Q505
2SA949-Y
R517
R541
3.3K
820
1
-1
C517
C505 Q541
10/50
2SC3423
020
R507
R542
R515
150
33K
12K
Q507
2SA949-Y
R543
R516
180
12K
0
2SC2229-Y
-1.6
ADJUST.
R508
IDLING
47
(1/4W)
Q510 Q519
2SA965-Y
Q506
2SC2229-Y
R514
R512
C514
82 (1/4W)
68
101
(1/4W)
+5.6V
5.0
R624
100K
R904
D606
0.05
R623
1SS133 1K
(1/2W)
R627
100K 0.6
680K R628
Q608
330K
2SC1740S-S
R629
R626 NC
Q609
2.2M C604
NC
R625
33/35
180K
R701
NC
F G
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
A
A
Q513
Q515 2SC5359-O/R
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
2SC5171
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
R528
R526 HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
390
82 RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
(1/2W)
(1/2W)
SPEAKER
R531
0.22
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
(5W) E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
C526
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
10/50
2SA1987-O/R
R533
3.3
Q516
(1W)
C519
Q514
224
2SA1930
C520
224
+56.5V
-56.5V
D902
RL1N4003
U03
R901 or GP104003E
820 (1W)
D903
RL1N4003
R902
or GP104003E D901
MDD
D3SBA20
820(1W) ONLY
T901
C909 NPT-1578D
C905
22/50
C906
HTP-750X
H
! ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
V AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
V PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
POWER TRANSFORMER
PC BOARD
NAPS-8831
5A/125V
F901 J901
MD
P901
P902A
AC 120V / 60Hz