Display Section - Onkyo TX-SR573 Service Manual

A
SCHEMATIC DIAGRAMS-7

DISPLAY SECTION

1
NAETC-8639
2
PHONES
U16
HEADPHONE JACK
PC BOARD
3
R822
NC
D822
NC
Q824 Q822
NC
NC
R832 R833
470 560
4
NC NC
5
B
R891 NC
R892 NC
JL891A
1
5 2
TO NAAF-8523
4 3
L891 022M
2 4
SCHEMATIC DIAGRAMS-4
3 5
7
L892 022M
8
L893 022M
1
P891
R893 NC
U15
SWITCH PC BOARD
R834 R835 R836
820 1.2K 2.2K
NC NC NC
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 ( ) 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.
C
NADIS-8636
NASW-8638
+BLED 7 7
LEDPURE 6 6
LEDZONE2 5 5
GNDLED 4 4
KEY0_2 3 3
KEYINT0 2 2
1 1
JL831B JL831A
3 3
2 2
NC
GNDTACT 1 1
JL832B JL832A
NC
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
TX-SR573
U13 DISPLAY PC BOARD
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Q823
NC
D823
NC
+5V
NC
D
Q801
FL TUBE
16BT127GNK
SEG2
SEG1 S
SEG19
SEG0 S
VCC2 S
DIG15/SEG39 S
DIG14/SEG38 S
DIG13/SEG37 S
Q802
DIG12/SEG36 S
DIG11
M66005
DIG10 S
DIG9 S
DIG8 S
DIG7 S
DIG6 S
DIG4
DIG5 S
S
101J C806
R802 3.3K
101J C807 R803 3.3K
101J C808 220
R804
101J C809 R805 220
R831
330