Integra DTR-7.8 Service Manual page 46

A
SCHEMATIC DIAGRAMS-13 (SD-13)
DISPLAY SECTION
1
2
NAETC-9100
U37 OPT PC BOARD
3
TORX177L
U7520
DIGITAL
AUDIO
VIDEO
4
S VIDEO
SETUP MIC
P7530
5
U7560
NJL34H380A
B
NADIS-9096
JL9303A
1 FLAC1
2 FLAC2
3 -VP
4 +3.3VMPU
+3.3V
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
2
1
P7501B
+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
R7561 +3.3V
100
R7560
1K
C
U33 DISPLAY PC BOARD
FLAC1
FLAC2
+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
IRINA1
IRINA2
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
330J
C7537
33K
R7537
R7538
2
10/35 C7538
1
C7535
R7532
3
10/35
330 Q7530:A
NJM4580M-D
Q7530:B
5
7
B
6
-VP
P3 49
P2 50
SEG1
51
P1
SEG0
+3.3VMPU 52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
GNDDG 56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
WF62
<Note>
Refer to SCHEMATIC DIAGRAM-13
(SD-13)
for FL driver IC control waveforms.
Q7533
RN2403
+3.3VST
KEYINT1
KEY0_1
R7539
220
220
GNDDG
KEY1
GNDDG
KEY2
GNDDG
KEY3
GNDDG
DTR-7.8
D
49:SEG2 SEG20
32:SEG19
SEG21
SEG22
SEG23
SEG24
SEG25
Q7502 SEG26
-VP
M66005-0001AHP
SEG27
SEG28
SLAVE
SEG29
SEG30
64:DIG4 SEG31
SEG32
SEG33
WF63
W
C7519
104Z C7514
104Z
R7621 R7622
270 330
R7631 R7632
270 330
R7641 R7642
270 330