Power Supply Section - Onkyo TX-SR573 Service Manual

A
SCHEMATIC DIAGRAMS-6

POWER SUPPLY SECTION

1
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
A V
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
2
A V PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
3
4
5
B
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
U06
POWER SUPPLY-1 PC BOARD
D930
D931
D932
C921
223Z
!
T902
NPT-1520JQ
!
!
P901A
P901
AC-H
AC IN
AC-G
120V, 60Hz
C
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.
<Note>
NC=No mount of parts.
D935
R934
D934
D933
100K
C930
C933
J919
4.7/50
100/35
R930 Q930
I O
G C A
R932
R931 R933
C931
D925
!
RL901
C901
103M /275VAC
!
F903
5A/125V
!
P902
AC OUTLET
TX-SR573
D
! ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
NAPS-8533
+5V
+9.3V
E9001
+10V
NC
POFFVP POFFVP
J922
+10VS
+12VD
MPUGND
POWERD POWERD
C932
!
!
!
!
P912
F901
8A/125V
C9708
222J
D9706
D9705
T901
NPT-1527D
8
8
9
10
11
12
13
14
15
16
17
18
19