Onkyo HTR-280(B) Service Manual page 21

A
SCHEMATIC DIAGRAMS-11
Power Supply Sectio
1
* THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
* VOLTAGE (MEASUREDWITHVOLTMETER) ISDCVOLTAGE. (NO INPUT SIGNAL)
+
* ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
* ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
* CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
2
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
V A AND RATING INDICATED.
ATTENTION
CAUTIONF AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
V A
ET CALIBRATION COMME INDIQUE.
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. FOR FUSE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
3
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
4
TX-SA578/608 TX-SR308/508/578/608 HT-R280/380/538/580/680/980/C230/C260 DTR-20.2/30.2
B
U0043
*
N.C.
N.C.
AC_CORD
1
2
BAETC-0376/ BAETC-0390
<T902>
TX-SR308/HT-R380 HT-R280/HT-R680
TX-SR508/HT-R580 HT-R980/HT-RC230
TYPE
TX-SR578/TX-SR608
HT-RC260/DTR20.2
DTR-30.2
DC/ DD/ DF
NPT-1520JQ NPT-1520JQ
MO/ MQ/ MR/ PA/ PP/ PB
NPT-1520GQ
---
JJ
<F901>
DC/ DD/ DF
8A 125V
MO/ MQ/ MR/ PA/ PP/ PB T4A L250V
---
JJ
<RL901>
NRL-1P5A NRL-1P5A
DC/ DD/ DF
NRL-1P5A
MO/ MQ/ MR/ PA/ PP/ PB
---
JJ
C
POWER SUPPLY PC BOARD
BAETC-0376/ BAETC-0390
D933
J-TYPE: UDZS4.7B
KDS4148U OTHER: UDZS5.6B
D935 D934
*
KDS4148U
UDZS4.7B
D930 KDS4148U
T902 D931
KDS4148U
NPT-1520JQ
D923
1 9
2 8
KDS4148U
D921
3 7
4 6
KDS4148U
D924
5
KDS4148U
D922
KDS4148U
R921
47(1/2W)
D925
KDS4148U
C902
104Z
3 2
F901
4 1 1
C901 TX-SA608 ONLY
0.01uF/275V/X2
TXSA578
HT-R538
TX-SA608
<T901>
--- ---
NPT-1520GQ ---
---
TX-SR308 HT-R280 HT-R380
--- --- NPT-1520JQ
HT-R538 HT-RC230
TX-SR508 TX-SR578 TX-SA578
HT-R580 HT-R680 HT-R980
8A 125V --- ---
TX-SR608 HT-RC260
--- T4A L250V ---
DTR-20.2 DTR-30.2
--- 10A 125V
---
--- ---
--- NRL-1P5A
--- NRL-1P10A
---
D
<NOTE>
DC Canadian model
DD USA model
DF Taiwanese model
MO Saidi Arabian model
MQ Hong kong model
PA Australian model
PB
POFF 5
MB
+12VD_ST 4
PP
GNDDG 3
MP CE(European) country model
+10VS 2
MR Chinese model
POWERD 1
JJ
T901
1 2 3 4 1 2 3 4
E901 E902
1
1
2 3
DD/ DC/ DF PA/ PP/ PB MO/ MQ/ MR
TYPE
NPT-1589D NPT-1589P NPT-1589M
NPT-1594D NPT-1594P NPT-1594M NPT-1594J
NPT-1592D NPT-1592M NPT-1592M NPT-1592J
E
U.K. model
Japanese model
S4
S3
S2
S1
JJ
---