Naps - Onkyo TX-SR403 Service Manual

A
SCHEMATIC DIAGRAMS-6
POWER SUPPLY SECTION
1
2
3
4
220-230V, 50/60Hz
5
B
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
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 (
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)
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
<Note>
NC=No mount of parts.
U11
POWER SUPPLY-1 PC BOARD
D930
D931
D932
C921
223Z
!
!
P901A
P901
AC-H
AC IN
AC-G
C
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
D935
R934
D934
D933
100K
C930
C933
J919
100/35
4.7/50
R930 Q930
NC NC
I O
G C A
R932
NC
R933
R931 C931
NC
NC NC
!
D925
T902
!
NPT-1519GQ
RL901
C901
103M / 275VAC
!
F903
T2.5AL250V
!
P902
AC OUTLET
100W MAX
TX-SR403/8340

NAPS-8544

E9001
POFFVP POFFVP
J922
+10VS
+12VD
NC
MPUGND
POWERD POWERD
C932
NC
NPT-1514G
!
!
!
P912
F902
T3.15AL 250V
D
NAPS
C9708
222J
D9706
D9705
JL
!
T901
JL
8
R9594
8.2 (1/2W)
9
10 R9592
0.47 (1/2W
11
R9591
0.47 (1/2W
12
13
R9593
0.22 (1/2
14
F9501 N
15
16
17
18
19
P997