Onkyo TX-SR505 Service Manual page 13
Black, silver and golden models
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Also See for TX-SR505:
- Instruction manual (88 pages) ,
- Service manual (73 pages) ,
- Code manual (12 pages)
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SCHEMATIC DIAGRAMS-4
DISPLAY SECTION
1
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.
SD-Z : XY
2
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
3
Q7405
1
DTA114ES
J7207
4
5
B
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
U06
SWITCH PC BOARD
Q7406
DTA114ES
Q7151
1
1
LIST
NC
R7103
R7104
560
Refer to following table about the parts displayed by mark " LIST ".
MODEL & TYPE
Q7151
TX-SR505
MDD, MDC
NC
MWO, MWT, MGK, MGQ
DTA114ES
TX-SR505E
MPP, MPB
DTA114ES
NADIS-9149
NC
Q7152
DTC114ES
9
1
8
J7212
7
6
5
4
3
R7105
2
1
820
1.2K
NC
D7153
R7152
S7109
NC
NC
NC
SDPB3DD0C
120
NPS-111-S681
SDPB3DD0C
120
NPS-111-S681
NC
TX-SR505/505E
C
NADIS-9148
U05
DISPLAY PC BOARD
R7001
100K
49
1
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
NC
2
3
Q7006
DTC114ES
9
CEC_LED
8
STBYLED
7
ZONELED
6
GNDCPU
5
+BLED
4
LEDPURE
3
KEY0_2
2
KEYINT0
1
2
1
P7302
D
Q7001
16BT128GNK
FL TUBE
32
31
SEG1
30
49 : SEG2
SEG19 : 32
SEG0
SEG21
SEG20 : 31
29
VCC2
SEG22
28
DIG15/SEG39
SEG23
27
DIG14/SEG38
SEG24
26
DIG13/SEG37
SEG25
25
DIG12/SEG36
Q7003
SEG26
24
DIG11
VP
M66005-0001AHP
23
DIG10
SEG27
22
FL DRIVER
DIG9
SEG28
21
DIG8
SEG29
20
DIG7
64 : DIG4
SEG32 : 18
SEG30
19
SEG33 : 17
DIG6
SEG31
18
DIG5
17
R7002
3.3K
C7002 104J
FLDRST
R7003
3.3K
C7003 101J
FLDCS
R7004
220
C7004 101J
FLDCLK
R7005
220
C7005 101J
FLDSDO
J7011
NC
R7012
0
KE
NC
KE
NC
KE
KE
NC
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