Http://Www.xiaoyu163.Com - Onkyo ht-r540 Service Manual

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SCHEMATIC DIAGRAMS-7
DISPLAY SECTION
NOTE
1
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
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
2
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L 13942296513
3
NC
4
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! ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
U06
SWITCH PC BOARD
Except
MDD, MDC Type
NC
Q7151 1
DTA114ES
Q7152
DTC114ES
Except
MDD, MDC Type
R7104 R7105 R7106
820
1.2K 2.2K
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2 9
8
NADIS-8786
Q Q
3 6 7 1 3
1
LEDSTBY 8 8 LEDSTBY
LEDZONE2 7 7 LEDZONE2
GNDLED 6 6 GNDCPU
+BLED 5 5 +BLED
LEDPURE 4 4 LEDPURE
KEY0_2 3 3 KEY0_2
KEYINT0 2 2 KEYINT0
1 1
NC
E7101
.
C
9 4 2 8
Q7002
16BT128GNK
100K
R7001
49
1 50
SEG1
51
SEG0 49 : SEG2
52
VCC2
+5V 53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10 FL TUBE DRIVER
59
DIG9
60
DIG8
61
DIG7
62
64 : DIG4
DIG6
63
DIG5
64
104J C7002
101J C7003
101J C7004
101J C7005
1 5 0 5 NC 8 2 9 9 4
Q7006
1
DTA114ES
D7001
R7103
560
m
co
HT-R540
D
9 9
32
31
SEG20
30
SEG19 : 32 SEG21
29
SEG22
28
SEG23
27
SEG24
26
SEG25
Q7003
25
SEG26
M66005
24
VP
23
SEG27
22
SEG28
21
SEG29
20
SEG32 : 18
SEG30
19
SEG33 : 17
SEG31
18
17
+5V
R7002 3.3K FLDRST
R7003 3.3K FLDCS
R7004 220 FLDCLK
R7005 220
FLDSDO
2 8 9 9
KEY0
NC
KEY1
NC
KEY2
KEY3
NC