Onkyo DR-UN7, Service Manual

Page: 13 / 92

DR-UN7
SCHEMATIC DIAGRAMS-5
DISPLAY SECTION
DR-UN7
P3 P2 P4 P1 P36 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P35 12G 11G 10G 9G 8G 7G 6G 5G 4G 2G 1G 3G G13 G14 G15
12G
G15
G14
KEY0
GND
P18 P5 P6 P7 P8 P9 P10 P11 P12 P14 P15 P16 P17 P13
P3
P2
P1
P36
9G
8G
11G
10G
P4
FL-H1
7G
6G
5G
4G
3G
2G
1G
VA
J
VBJ
-VP
FL-H1
FL-H2
G13
SUBRST SUBSO SUBSI SUBCLK
P31 P32 P33 P34
FL-H2
-VP
-VP
K0
INT_K0
GND1
GND2
INT_K0
STBYLED
HPIN
K0
GND1
SUBSI
SUBSO
SUBRST
REMIN
EV3.3V
GND2
SUBCLK
SUBREQ
SUBREQ
+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND2
GND1
K0
GND
STBY
HPIN
NC
ST
OP
VOLUME
NC NC
TIMER
PLA
Y
OPEN/ CLOSE
EDIT/NO CLEAR
INPUT UP
INPUT DO
WN
MODE/YES DISPLA
Y
NADIS-8700
T
o
NADG-8692
(SD-2 :
G1)
LISTENING
MODE
ST
ANDBY/ON
S.B
ASS
STANDBY
NASW-8701
Q801
MPD780232GC
61
P4
62
P3
63
P2
64
P1
65
P36
66
15G
67
14G
68
13G
69
12G
70
11G
71
10G
72
9G
73
8G
74
7G
75
6G
76
5G
77
4G
78
3G
79
2G
80
1G
1
5V
2
GND
3
CLOCK1
4
CLOCK2
5
FRAIC
6
RESET
7
SUBCL
8
SUBSI
9
SUBSO
10
SUBREQ
11
VO
L
A
12
VO
L
B
13
STLED
14
LED1
15
IRIN
16
LED2
17
NC
18
AV
S
S
19
KEY3
20
KEY2
21
KEY1
22
KEY0
23
VSS
24
AVDD
25
VDD
26
JOGA
27
JOGB
28
P35
29
P34
30
P33
31
P32
32
P31
33
P30
34
P29
35
P28
36
P27
37
P26
38
P25
39
P24
40
P23
41
P22
42
P21
43
P20
44
P19
45
P18
46
P17
47
P16
48
P15
49
P14
50
P13
51
P12
52
P11
53
P10
54
P9
55
P8
56
P7
57
P6
58
P5
59
VDD2
60
VDISP
R816
470
C812
104Z
C811
104Z
R814
0
R811
2.7K
C806
101
R810 2.7K
S816
R851
3.9K
R847
470
R846
390
S811
Q805
2SC2712
Q804
2SC2712
Q803
2SC2712
Q802 HNA-15SM09
1
F11
2
F12
6
G01
7
G02
8
G03
9
G04
10
G05
11
G06
12
G07
13
G08
14
G09
15
G10
16
G11
17
G12
18
13G
19
14G
20
15G
21
NC
22
NC
23
NC
24
NC
25
P36
26
P01
27
P02
28
P03
29
P04
30
P05
31
P06
32
P07
33
P08
34
P09
35
P10
36
P11
37
P12
38
P13
39
P14
40
P15
41
P16
42
P17
43
P18
44
P19
45
P20
46
P21
47
P22
48
P23
49
P24
50
P25
51
P26
52
P27
53
P28
54
P29
55
P30
56
P31
57
P32
58
P33
59
P34
60
P35
64
F21
65
F22
R813
10K
R812
10K
R820
1M
C815
330
C819
330
C818
330
C817
330
C816
330
R818
470
R815
470
C807
NC
C809
NC
D801
UDZS5.6B
C805 NC
C808 NC
R828
10K
R827
10K
S801 5
2
4
3 1
C814
NC
C813
NC
R860
3.3K
C801
47/6.3
+
C802
NC
+
C804
NC
R809
10K
R808
10K
R804 100K
R803 100K
R802 100K
R801 100K
S826
R857
1.8K
S824 S825
R856
1K
R855
820
R854
470
R853
390
S823 S822
C803
NC
R840
390
R842
820
R843
1K
R844
1.8K
S806 S807
R845
3.9K
S803
S805
S809
S802
4 3 1
2
5
C822
221
R805
22K
R806
22K
R807
22K
C823
221
C824
221
X801
5MHz
R859
100
R858 100
C821
47/6.3
+
C820
104Z
R824
470
R863
22K
U801
R839
22K
R817
220
R819
100
R831
100
C810
104
P7002A
P7004
R848
820
R849
1K
R850
1.8K
S821
S812 S815
S813
S814
D811 C878
P4003B
P7004A
R841
470
U06
DISPLAY PC BOARD
U07
SWITCH PC BOARD
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
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
<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.
FL TUBE
MULTI JOG
To NAETC-8705
(SD-3 : E2)
-34.4V
SUB MICROPROCESSOR
NC
A
1
2
3
4
B C D E