Onkyo TX-NR545 Service Manual page 42

1
Power supply section
MODEL NO. TX-NR545/646/747, DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM (PART-6) PS SECTION
THE COMPONENTS IDENTIFIED MARK
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL)
D
ELECTRLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030 -> 3pF, 330 -> 33pF, 331 -> 330pF, 333 -> 0.033uF
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
) 030 -> 3pF, 330 -> 33pF, 331 -> 330pF, 333 -> 0.033uF
BAPS-1743(TX-NR545/646/747)
BAPS-1750(DTR-20.7/30.7/40.7)
Switching Power Supply
C
KTR18EZPF6803
KTR18EZPF6803
KTR18EZPF6803
B
AC POWER IN
F9002D
NSCT-1P2031
TX-NR545
TX-NR646/747 D/M
!
P9001A
NPLG-2P631
AC CORD
INLET
!
TX-NR646 J.TX-NR747 J
DTR-20.7,DTR-30.7,DR-40.7
A
MODEL
T5 TX-NR545
T6 TX-NR646
T7 TX-NR747
D2
DTR-20.7
D3 DTR-30.7
D4 DTR-40.7
1
2
!
ARE CRITICAL FOR SAFETY, REPLACE ONLY WITH PART NUMBER SPECFIED.
) ARE IN uF/WV.
uF/WV
pF/50WV
!
F9001
T1A 250V
!
R9016/R9019:1W(Radial)
!
C9008:3216(630V)
D9001
R9025 L9001
3 S1WB(A)60B-7062
26mH/0.4A
4 3 4 1
R9024
R9019
1 2 *C9002 *1
NC
2 100u
R9016
R9023
200V
NC
P/M:47u/400V
D/J:100u/200V
US1K-E3/61T
C9018
R9030 0.1uF,275or310V/X2 R9011: *R9011
D/J:R25J-22 R25J-22
RSS5WJ-15
! P/M:RNU1/4WJ-22
NC
D/ST2
J9030
TA WIRE
C9009
GRM31A7U3D220JW31D
DZ2J200M0L
D9018
R9001
RNU1WCJ-1.5
NC
Note*1:
Some parts on BAPS-1743/1750 remain high voltages
even after the power cord is disconnected from AC power source.
Before atsrting any work, please discharge C9002 by connecting
resistor between its terminals.
(Recommended resister spec : 5k-ohms/10W)
NSCT-1P2031(F9002C/F9002D)
!
TX-NR545 D/P/M, DTR-20.7D/M
TX-NR646 D/M, DTR-30.7D/M
F9002C
NSCT-1P2031 TX-NR747 D/M, DTR-40.7 D/M
SN5051(F9002A/F9002B)
F9002B F9002A
SN5051 SN5051
TX-NR747 J, DTR-40.7 J
!
F9002
F9002 Rating of Fuse
F9002E SN of Fuse Label
T7/D4
TYPE AC TYPE T5/D2 T6/D3
D 8A 125V 10A 125V 10A 125V
D 120Vac,60Hz
29360842
P 230Vac,50Hz
P T4AL250V --- ---
M 220-240Vac,50/60Hz
29361732A
J 100Vac,50/60Hz M T4AL250V T5AL250V T5AL250V
29361732A 29361938 29361938
J --- 12A 125V ---
29392136
2
3
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
V A REPLACE ONLY WITH FUSE OF SAME TYPE AND RATING INDICATED.
CAUTIONF ATTENTION
AFIN D'ASSURER UNE PROTECTION PERMANENTE CONTRE LES RISQUES D'INCENDIE,
V A REMPLACER UNIQUEMENT PAR UN FUSIBLE DE MEME TYPE 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.
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST A LENT, E POUR UNEPROTECTION PERMANENT,
N'UTILISER QUE DES FUSIBLES DE MEME TYPE.
CE DARNIER EST INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
Primary Secondary
C9019
!
0.001uF/250V/X1Y1
C9020
!
0.001uF/250V/X1Y1
NC
1 2 3 4 5
C9025
!
0.001uF/250V/X1Y1
NC P9004
(TRM-PS)
C9007
!
T9001: 0.001uF/250V/X1Y1
NC C9021
D/J:NPT-1633S R9021
or NPT-1632S NC
NC
P/M:NPT-1633S *T9001
D9002 !
NPT-1632S D9004
P6SMB200A-M3/52T RCR1010NP-100M
1 12
RF301BM2S
11
C9004
3
10
1000u
R9010 9
25V
5 8
RS1/2WBJ-68
D9003
6
7
C9010 R9004
!
R9018
0.001uF/250V/X1Y1 470
1.8k
NC
VCC
R9002 1
!
4
0
Q9003
R9022
5000V
1.5k
3
2
C9003
10u
R9009
50V
10k
C9016
332K
R9014 R9013
RNU1WCJ-1 0
1
4 !
Q9002
D9017
5000V
NC
3
2
DZ2J200M0L 1
2
Q9005
3 KRC102S
D9011
DA2J10100
RL9001:
D/J:NRL-1P10A-DC9-186 C9015
or NRL-1P10A-DC9-188 104Z 25V
!
P/M:NRL-1P5A-DC9-179
RL9001 3/100A,250V
or NRL-1P10A-DC9-188
or 3/120A,250V
3 2
or NRL-1P10A-DC9-186
4 1
C9012
0.01uF/275V/X2
!
T901 Rating
TYPE T5/D2 T6/D3 T7/D4
D NPT-1656D NPT-1651D NPT-1652D
M NPT-1650M NPT-1651M NPT-1652M
J --- NPT-1651J ---
3
4 5
Schematic Diagram
*P9011
T5:2009991299UL(150mm)
other:2009991301UL(250mm)
Rated Current:1500mA x 2
L9005
BLM18PG181SN1D
L9004
BLM18PG181SN1D
L9002
D9008
C9006 C9013 C9023
C9024
RB050M-30GTR
470u 220u
104Z 104Z
25V 25V 25V
25V
R9012 R9017
270 3.3k
R9005 R9006
1.8k 3.9k NC
1 2 3 4
NC
R9007 R9003
27k 3.3k
P9003
C9011
NEJITANSI ST3
104K
16V
R9008
8.2k
220(1/2W)
T5 D/M,D2 D/M
T6 D/J/M,T7 D
D3 D/J/M,D4 D/J
*R9027
220 1/2W
*R9015 *R9031
RS1/2WBJ-150 RS1/2WBJ-100
150(1/2W):T7 M,D4 M 100(1/2W):T7 M,D4 M
4 5
6
SW_POWER
+12VSTB
GND_DG
NC
MPOWERD
P-TRANS(T901)
T5,T6,T7.D2.D3.D4
!
P9002
NPLG-2P631
6
D
C
B
A