Onkyo TX-SR503 Service Manual page 27

Hide thumbs Also See for TX-SR503:
Table of Contents

Advertisement

A
B
SCHEMATIC DIAGRAMS-6
POWER SUPPLY SECTION
1
MDD, MDC
!
!
!
F903
5A 125V
P912
F901
8A/125V
!
P902
AC OUTLET
120W MAX
1A MAX
MPP, MPA
!
!
!
F903
2
T2.5AL250V
P912
F902
T4AL250V
!
P902
AC OUTLET
100W MAX
MGR, MGQ
!
!
!
F903
T2.5AL250V
P912
F902
T4AL250V
!
P902
AC OUTLET
3
100W MAX
MGK
NAPS-8534
U12
!
OUTLET (GK)
P912
!
!
PC BOARD
F903
T2.5AL250V
F902
T4AL250V
P926A
P926
!
P902A
P925A
P925
AC OUTLET
100W MAX
4
MWT
!
P912
!
!
F902
S902
VOLTAGE
T4AL250V
SELECTOR
!
F903
220V
T2.5AL250V
F901
T4AL250V
!
!
P902
AC OUTLET
120V
100W MAX
5
DESTINATION
MDD, MDC
MPP, MPA
MGR, MGQ, MGK
MWT
C
!
T901
NPT-1516D
!
Refer to following table about the parts displayed by mark "
".
T901
NPT-1516P
CIRCUIT NO.
T902
C922
DESTINATION
MDD, MDC
NPT-1520JQ
2200/25
MPP, MPA
NPT-1519GQ
2200/16
MGR, MGQ, MGK
NPT-1519GQ
2200/16
MWT
NPT-1519JQ
2200/35
!
U11
T901
NPT-1516G
POWER SUPPLY-1 PC BOARD
D935
R934
D933
100K
D930
C930
D931
100/35
D932
C921
R930
!
223Z
100K
T901
NPT-1516G
R931
100K
!
T902
!
T901
NPT-1516DQ
!
!
P901A
P901
AC-H
AC IN
AC-G
AC IN
120V, 60Hz
230-240V, 50Hz
220-230V, 50Hz/ 60Hz
120V/ 220-230V, 50/ 60Hz
D
E
NOTE
!
THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
IS DC VOLTAGE.(NO INPUT SIGNAL).
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.
NAPS-8533
D934
C9708
222J
Except MWT
C933
J919
4.7/50
D9706
E9001
MWT Only
D9705
Q930
POFFVP
POFFVP
SI-3010KF
J922
+10VS
I
O
G
C
A
+12VD
R932
MPUGND
82K
POWERD
POWERD
C932
R933
C931
100/16
10K
10/50
!
T901
D925
!
RL901
!
C901
103M /275VAC
Refer to left diagrams
for each destination.
F
G
NAPS-8535
U13
POWER SUPPLY-2 PC BOARD
D9001-9003 : RL1N4003
C9003
D9002
D9001
1000/35
C9001
334J
MMT
D9003
D9004
C9009
D9013
220/35
D9009
D9009, 9013
RL1N4003
GP104003E
Except MWT
J962
MWT Only
Q9021
2SA1015
D9023
D9022
D9024
R9022
10K
Q9022
RN2202
C9021
100/16
D9025
R922
R923
10K
1K
Q921
KTC3199-GR,
JL9501B
2SC2458-GR
JL9501A
NAPS-8536
8
FLAC1
U14
R9594
C9591
8.2 (1/2W)
104J
SEC. TERMINAL-1
9
R9592
10
PC BOARD
0.47(1/2W)
11
R9591
0.47(1/2W)
12
13
R9593
OTHER THAN T6/A6
0.22
(1/2W)
14
F9501
NC
U06
15
16
SEC. TERMINAL-2
17
18
PC BOARD
19
JL6952B
JL6951B
P996
P995
P997
TO NAAF-8397
TO NAAF-8523
NC
TX-SR503/503E/8350
H
+24V
S3GND
C9004
470/35
-24V
J956
SEC2-1
SEC2-2
MPUGND
+12VD
+10VS
Q9002
KTA1268,
R9002 22
2SA970
(1/2W)
R9004
R9003
8.2K
C9016
8.2K
10/50
C9014
C9015
470/63
10/50
J955
D9012
NC
MTZJ36D
R9023
10K
Q9023
D9026
RN1202
MTZJ12C
DZ-12BSC
R9024
3.3K
NAPS-8524

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Tx-sr8350Tx-sr503e

Table of Contents