Onkyo DR-UN7 Service Manual page 13

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A
SCHEMATIC DIAGRAMS-5
DISPLAY SECTION
NADIS-8700
U06
DISPLAY PC BOARD
1
R805
22K
2
C822
221
R806
22K
C823
221
C824
221
R807
22K
C806
C807
101
C809
NC
NC
3
C810
104
R816
C812
470
104Z
R824
D801
FL-H2
FL-H1
470
UDZS5.6B
-VP
+3.3V
GND
GND
SUBREQ
SUBCLK
SUBSI
SUBSO
SUBRST
EV3.3V
R858
100
GND2
REMIN
STBYLED
K0
GND1
INT_K0
HPIN
4
B
FL TUBE
Q802 HNA-15SM09
-VP
-34.4V
G15
Q805
2SC2712
G14
C802
Q804
NC
2SC2712
+
P4
61
P4
P3
62
P3
P2
63
P2
P1
64
P1
P36
65
P36
G13
66
15G
67
Q803
14G
2SC2712
68
Q801
13G
12G
69
12G
MPD780232GC
11G
70
11G
10G
71
SUB MICROPROCESSOR
10G
9G
72
9G
8G
73
8G
7G
74
7G
6G
75
6G
5G
76
5G
4G
77
4G
3G
78
3G
2G
79
2G
1G
80
1G
C801
+
47/6.3
R820
C811
104Z
1M
X801
5MHz
C815
330
C816
C817
330
330
C818
C819
330
R863
330
22K
R839
C820
22K
104Z
U801
C821
+
47/6.3
R859
100
GND2
C
D
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>
R801 100K
NC = No mount of parts.
R802 100K
R803 100K
SD-Z : XY
R804 100K
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
40
P23
39
P24
38
P25
37
P26
36
P27
35
P28
34
P29
33
P30
32
P31
31
P32
30
P33
C803
29
NC
P34
28
R808
P35
27
10K
JOGB
R809
26
JOGA
10K
25
+3.3V
VDD
C804
24
AVDD
23
GND
NC
VSS
22
KEY0
KEY0
21
KEY1
R810 2.7K
R811
2.7K
C805 NC
C808 NC
+3.3V
S801 5
4
VOLUME
E
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
R840
R841
R842
R843
R844
R845
390
470
820
1K
1.8K
3.9K
S802
MULTI JOG
INT_K0
R853
R854
R855
R856
R857
K0
390
470
820
1K
1.8K
GND1
R846
R847
R851
3.9K
390
470
To NAETC-8705
(SD-3 : E2)
P4003B
R848
R849
R850
GND
K0
820
1K
1.8K
GND1
STBY
GND2
STANDBY
U07
SWITCH PC BOARD
NASW-8701
DR-UN7

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