Power Supply Pc Board - Onkyo HTR940 Service Manual

A
SCHEMATIC DIAGRAMS-8
POWER SUPPLY SECTION
NOTE
1
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 ( ) ARE IN uF/WV.
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.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
2
TYPE AC IN
MDC 120V, 60Hz
MPA 230 - 240V, 50Hz
3
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.
4
B
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
!
T902
1 9
2 8
3 7
4 6
5
P921A
NC
P922A
NC
!
!
AC IN
!
P941A
P902
NC
AC OUTLET
P942A
NC
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
A V PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
C
U07

POWER SUPPLY PC BOARD

D933
1SS133 +10.4V
D934
D935
MTZJ5.1B
1SS133
J931
Q930
SI-3010KF
+10.9V
D930 1SS133
D931 1SS133
C930
100/35
D923 1SS133
D921 1SS133
C922
D924 1SS133 2200/25
D922 1SS133 +10.4V
R921
56(1/2W)
D925
1SS133
C902
104J
!
!
!
RL901
F901
C901
!
103M/275VAC
F903
P923A P924A P925A
!
NC NC NC
Refer to following table about the parts displayed by mark "
TYPE F901
MDC 8A/125V
MPP T4AL250V
D
NAPS-8787
POFF 5
+12VD 4
To NAVD-8811
MPUGND 3
(SD-5 : A4)
+10VS 2
POWERD 1
NC
E901
8
8.2(1/2W)
S4
9
!
10
T901
S3
11
12
13
S2
14
PRI.
U08
TRANS SEC. TERMINAL
PC BOARD
S1
To NAAF-8779
(SD-2 : A5)
".
F903 T901 T902 R9101
5A/125V NPT-1517D NPT-1520JQ 0.1(1/2W)
T2.5AL250V NPT-1517P NPT-1519GQ 0.22(1/2W)
HT-R940
E
To NAVD-8811
(SD-5 : A4)
JL9101A
R9102
!
R9101
F910
NC
NAETC-8788