Onkyo TX-8020B - Schematic Diagrams - Part 12 (Power Supply); Power Supply Board Circuitry; Power Supply Voltage Outputs; Fuse and AC Cord Specifications

TX-8020
SCHEMATIC DIAGRAMS-12(PART-12)
POWER SUPPLY SECTION
TX-8020
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APPROVCHECKDESIGN SHEET
DRAWING No.TITLE
+12VD_ST
+10VS
POWERD
POFF
GNDDG
223K
C921
50V
0.01uF/275V/X2
C901
102J
C911
104Z
C902
25V
C930
470u
16V
C922
2200u
16V
C933
4.7u 50V
P911NPLG-2P631
1
2
P901A
NPLG-2P631
12
P902A
NSCT-5P876
1
2
3
4
5
F901C
NSCT-1P2031
F901D
NSCT-1P2031
R934
NC
R922
82k
R921
1/2W150
RL901
1
23
4
P901
NEJITANSI ST3
1 2 3 4
P903
NEJITANSI ST3
1 2 3 4
R954
R955
10k
R956
33k
R957
10k
473K
C952
50V
Q951
NJU7706F27A3
DS
1
VSS
2
MR
3
OUT
4
VDD
5
473K
C953
50V
D922 1SS352
D931 1SS352
D933
1SS352
D912 1SS352
D925 1SS352
D911 1SS352
D923 1SS352
D924 1SS352
D921 1SS352
D930 1SS352
D935
1SS352
*T902
1
2
3
4
5
6
7
8
9
NC
NC
H.Kurosaki
*T902
TYPE
D
P
PS SECTION(PART-12)
TYPE AC
120V /60HzD
/50Hz
230V
P
*F901
TYPE
D
P
TYPE
D
P
*RL901
4A125V
T2AL250V NPT-1618P
TYPE
D
P
*T901
BAPS-1476
POWER SUPPLY
2013.04.09
NRL-1P5A-DC9-179
NRL-1P5A-DC9-179
MODEL NO.TX-8020 SCHEMATIC DIAGRAM(PART-12) PS SECTION
TX-8020
* T901
S4
S3
S2S1
3 1
AMP
NPT-1618D
RC-202985
K.Ikeda S.Murayama
THE COMPONENTS IDENTIFIED MARK ARE CRITICAL FOR SAFETY, REPLACE ONLY WITH PART NUMBER SPECFIED.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL)
ELECTRLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030 -> 3pF, 330 -> 33pF, 331 -> 330pF, 333 -> 0.033uF
uF/WV
pF/50WV
) 030 -> 3pF, 330 -> 33pF, 331 -> 330pF, 333 -> 0.033uF
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE FUSE HAZARD, REPLACE WITH SAME TYPE FUSE.
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
CE DARNIER EST INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST A LENT, E POUR UNEPROTECTION PERMANENT,
N'UTILISER QUE DES FUSIBLES DE MEME TYPE.
V A
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH FUSE OF SAME TYPE AND RATING INDICATED.
V A
REMPLACER UNIQUEMENT PAR UN FUSIBLE DE MEME TYPE ET CALIBRATION COMME INDIQUE.
ATTENTION
AFIN D'ASSURER UNE PROTECTION PERMANENTE CONTRE LES RISQUES D'INCENDIE,
CAUTIONF
*F901
3/100A,250V OR
3A/120V,250V
AC CORD
NPT-1520GQ
NPT-1520JQ
2013.04.09 2013.04.09
12 14
*
*
*R954
D Type 15k
M Type 33k
U0036 POWER SUPPLY PC BOARD
A
1
2
3
4
B C D E