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Onkyo TX-SR577B Service Manual page 38

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A
SCHEMATIC DIAGRAMS-16 / PART-18
PWOER SUPPLY SECTION
NOTE
!
THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR SAFETY
1
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
+
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
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
V
A
AND RATING INDICATED.
ATTENTION
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.
2
BAETC-0041
U0035
INLET PC BOARD
1
INLET
2
SOCKET
TX-SA507 / 607 ONLY
AC CORD
POWER SUPPLY
TYPE
VOLTAGE/FREQ.
DD DC DF
120V / 60HZ
PR PB PA
230-240V / 50HZ
MO MR MQ
JJ
100V / 50/60HZ
3
T902
TX-SR507, TX-SR577
TX-SA507
TYPE
TX-SR607, HT-RC160
TX-SA607
HT-R670
DD DC DF
NPT-1520JQ
---
PP PB PA
NPT-1520GQ
---
MO MR MQ
---
NPT-1520JQ
JJ
T901
TX-SR507, TX-SR577
TX-SR607
TYPE
TX-SA507, HT-R670
TX-SA607
DD DC DF
NPT-1516D
NPT-1552D
PA MO MR MQ
NPT-1516DQ
NPT-1552DQ
PB PP
NPT-1516P
NPT-1552P
JJ
NPT-1516J
NPT-1552J
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
4
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.
B
NOTE:
SCHEMATIC-12/PART-14 is not used for TX-SR507/TX-SA507/TX-SR577.
SCHEMATIC-13/PART-15 is used only for TX-SA607/TX-SA507.
SCHEMATIC-14/PART-16 and SCHEMATIC-15/PART-17 are not used for
TX-SR607/TX-SA607/TX-SR507/TX-SA507/TX-SR577.
BAPS-0039
KDS4148U
U0033
KDS4148U
POWER SUPPLY
PC BOARD
T902
NPT-1520JQ
1
9
2
8
3
7
4
6
KDS4148U
5
KDS4148U
KDS4148U
D925
KDS4148U
C902
104Z
3
1
4
2
C901
LE103-C3.5
F901
TX-SR507, TX-SR577
TX-SR607
TX-SA507
TYPE
HT-R670
DD DC DF
8A 125V
10A 125V
PP PB PA
T4AL250V
T5AL250V
MO MR MQ
---
---
JJ
10A 125V
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.
TX-SR607/SA607/SR507/SA507/SR577/HT-RC160/HT-R670
C
D934
D933
MJJ
UDZS4.7B
OTHER
UDZS5.6B
D934
D935
LIST
D930
KDS4148U
+10V
D931
KDS4148U
D923
KDS4148U
D921
D924
D922
+12V
R921
47(1/2W)
2
1
RL901
2
F901
1
1
3
LIST
5
7
9
TX-SA607
HT-R160
---
---
10A 125V
---
---
---
12A 125V
---
D
NOTE:
XY in "SCHEMATIC-a / PART-b:XY" indicates the target
location of the plug or socket, X=A to E/H/K, Y=1 to 4/5/8.
POFF
5
+12VD_ST
4
GNDDG
3
+10VS
2
POWERD
1
C911
MJJ
NO
OTHER
YES
TXSR607/SA607/HT-RC160
TX-SR507/SA507/SR577
BAPS-0016
U0012
E901
T901
NPT-1552D/P/J
8.2(1/2W)
P950
R950
S4
P951
P952
S3
P953
1
P954
P955
F910
5A 125V
S2
P956
R951
3
P19
S1
P18
P17
P16
P15
T901
NPT-1516DQ
1
U0011
2
BAPS-0015
3
PWB
TX-SR607/TX-SA607
4
TX-SR507/SA507/SR577
5
E
PWB
R951
F910
NO
BAPS-0016
YES
BAPS-0009
YES
NO
TRANS 2ND
TERMINAL
PC BOARD
1
FLAC1
FLAC2
2
SEC3_1
3
SEC3_2
4
5
SEC2_1
6
SEC2_2
SEC2_2
7
NM
1
2
3
4
5
6
7
8
9
TRANS 2ND
TERMINAL
PC BOARD
BAPS-0015
BAPS-0010

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