Integra DTR-7.8 Service Manual page 46

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAMS-13 (SD-13)
DISPLAY SECTION
1
2
NAETC-9100
TE
L 13942296513
U37
3
DIGITAL
AUDIO
VIDEO
4
S VIDEO
SETUP MIC
www
5
U7560
NJL34H380A
.
http://www.xiaoyu163.com
B
NADIS-9096
JL9303A
1 FLAC1
2 FLAC2
3 -VP
4 +3.3VMPU
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
OPT PC BOARD
2
1
P7501B
TORX177L
U7520
+5.0V
R7520 JL7560B
JL7560A
1
IN
1 1 OPTF
220
L7520
3 2 2 +5VMPU
VCC
3 3 GNDDG
022K
2
GND
R7521
330
R7522
330
R7523
75
5
4
L7530
2
3
022K
7
R7531
8
100
1
J7530
P7530
R7561 +3.3V
100
x ao
R7560
1K
y
i
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8
U33 DISPLAY PC BOARD
FLAC1
FLAC2
+3.3V
+3.3VMPU
-VP
DIGSDO
DIGCLK
FLD1CS
FLD2CS
FLDRST
KEY0
KEY1
KEY2
KEY3
LEDLATCH
KEYINT1
+3.3VST
+3.3VMPU
GNDDG
VOLA
VOLB
LEDZ3
LEDSTBY
LEDREADY
LEDZ2
LEDPURE
OPTF
REMIN
+5VMPU
MICDET
MICMUTE
MIC
AUX2_L
GNDAUX2
AUX2_R
+15VA
-15VA
GNDVD
AUX2CV_IN
AUX2SY_IN
AUX2SC_IN
Q Q IRINA1
IRINA2
3 6 7 1 3
IRINB1
IRINB2
Q7520:B
6
10/35
7
C7539 B
5
NE5532APSR
-14.4V
C7540 3 Q7520:A
1
10/35
A
2
+14.4V
-14.4V
+14.4V
2
10/35
C7535
R7532
3
330
NJM4580M-D
5
6
u163
.
C
2 9 9 4 2 8
GNDDG
1 5 0 5 8 2 9 9 4
330J
Q7533
C7537 RN2403
33K
R7537
R7538
C7538 R7539
1
220
10/35 220
Q7530:A
Q7530:B
7
B
m
co
DTR-7.8
D
9 9
-VP
P3 49
P2 50
SEG1 49:SEG2 SEG20
32:SEG19
51
P1
SEG0 SEG21
+3.3VMPU 52
VCC2 SEG22
53
DIG15/SEG39 SEG23
54
DIG14/SEG38 SEG24
55
DIG13/SEG37 SEG25
56
DIG12/SEG36 Q7502 SEG26
57
DIG11 -VP
58 M66005-0001AHP
DIG10 SEG27
59
DIG9 SEG28
60 SLAVE
DIG8 SEG29
61
DIG7 SEG30
62
DIG6 64:DIG4 SEG31
63
DIG5 SEG32
64
SEG33
WF63
WF62
W
C7519
104Z C7514
104Z
2 8 9 9
<Note>
Refer to SCHEMATIC DIAGRAM-13
(SD-13)
for FL driver IC control waveforms.
+3.3VST
KEYINT1
KEY0_1
GNDDG
KEY1
R7621 R7622
270 330
GNDDG
KEY2
R7631 R7632
270 330
GNDDG
KEY3
R7641 R7642
270 330
GNDDG