SCHEMATIC DIAGRAMS-14 (SD-14)
DISPLAY SECTION
DTR-7.9
A
1
2
3
4
5
BCDEFGH
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
GNDDG
GND
HP_L
HP_R
HPDET
+5.0V
+15VA
MICDET
OPTF
GNDVD
AUX2_R
AUX2_L
AUX2CV_IN
+5VMPU
AUX2SY_IN
AUX2SC_IN
-15VA
KEY3
GNDDG
GNDDG
GNDDG
GNDDG
KEY1
KEY2
KEY0_1
+3.3VMPU
+3.3VMPU
Q6
Q7
Q5
Q2
Q3
Q4
Q10
Q9
Q1
Q12
Q11
GNDDG
FLAC2
+3.3VMPU
+3.3V
IRINA1
IRINA2
KEY0
KEY1
KEY2
KEY3
+3.3VMPU
GNDDG
KEYINT1
LEDLATCH
FLD2CS
FLD1CS
FLDRST
DIGSDO
DIGCLK
REMIN
MICDET
MICMUTE
OPTF
+15VA
-15VA
VOLB
VOLA
LEDPURE
LEDSTBY
LEDZ3
LEDZ2
+5VMPU
MIC
AUX2_R
AUX2_L
GNDAUX2
-VP
GNDVD
AUX2SY_IN
AUX2CV_IN
AUX2SC_IN
FLAC1
+3.3VST
IRINB1
IRINB2
LEDREADY
FLDRST
FLD1CS
DIGSDO
1G
GNDDG
DIGSDO
DIGCLK
FLD2CS
FLDRST
GNDDG
16G
P55
P56
P57
P58
P59
P60
P61
P64
P65
P66
P67
P68
P62
P63
-VP
P69
P39
P40
P41
P42
P43
P44
P52
P53
P54
P45
P51
P47
P48
P49
P50
P46
P37
P38
P36
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
+3.3VMPU
+3.3V+3.3V
GNDDG
+3.3VMPU
GNDDG
P70
2G
3G
4G
DIGCLK
Q5
Q6
Q7
Q9
Q10
Q11
Q12
GNDDG
Q8
+3.3VMPU
VOLA
VOLB
GNDDG
LEDSTBY
KEY0_1
LEDZ3
LEDZ2
LEDPURE
+5VMPU
KEY0
GNDDG
Q8
LEDREADY
KEYINT1
+3.3VST
IRINA2
IRINA1
+3.3VST
GNDDG
IRINB2
IRINB1
-VP
FLAC1
FLAC1
FLAC2
FLAC2
MIC
MICMUTE
P2
P3
P4
P5
P6
P7
P8
P9
P20
P21
P22
P23
P24
P25
P26
P28
P29
P30
P31
P32
P33
P34
P27
-VP
P1
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
+3.3VMPU
+3.3VMPU
GNDDG
P35
GNDAUX2
REMIN
Q3
Q2
Q1
DIGCLK
DIGSDO
+3.3VMPU
Q4
LEDLATCH
OPTF
GNDDG
+5VMPU
+5.0V
LEDZ2
LEDZ3
LEDPURE
KEY0
+5VMPU
GNDDG
LEDSTBY
KEY0_1
Q8
LEDREADY
VOLA
VOLA
VOLB
VOLB
GNDDG
GNDDG
+3.3VMPU
+3.3VMPU
NAETC-9098
TO NATRM-9489
SD-4:F1
STANDBY
GREEN
ZONE2
NADIS-9097
NAETC-9100
DVD
CD
NET/USB
VCR/DVR CBL/SAT
GAME/TV
AUX1
AUX2
TAPE
TUNER
PHONO
MASTER
SLAVE
NADIS-9096
NC
NC
NC
NC
NC
NC
NC
NC
NC
NADIS-9101
NC
TO NADG-9504
(P1007A)
SD-7:B1
RED
STANDBY
TO NAPS-9099
SD-6:H4
ZONE2
ZONE
OFF
DVD
VCR/DVR
CBL/SAT
GAME/TV
AUX
LEVEL
UP
LEVEL
DOWN
MOVIE/TV
MUSIC
GAME
DIMMER
MULTI CH
SETUP
DISPLAY
RETURN
CD
ENTER
PHONO
PRESET L
TUNING
UP
TUNER
PRESET R
TONE
TONE-
TONE+
TAPE
TUNING
DOWN
MEMORY
TUNING
MODE
C7581
102K
C7583
102K
D7581
1SS355
D7580
1SS355
C7580
102K
C7582
102K
D7583
1SS355
D7582
1SS355
L7580
022K
L7581
022K
R7581
33(1W)
R7580
33(1W)
JL4103B
5
4
3
2
1
P7580
5
4
2
3
7
8
1
GND
L
R
S7611
R7611
270
R7612
330
S7614
R7614
560
S7615
R7615
820
R7616
1.2K
R7597
330
S7612
JL7590B
10
9
8
7
6
5
4
3
2
1
J7590
Q7593
DTC123JKA
JL7560A
1
2
3
U7520
TORX177L
2
GND
3
VCC
1
IN
C7521
100/10
+
L7520
022K
R7520
220
R7525
75
R7537
33K
R7538
220
C7537
330J
P7522
Y
C
C7539
10/35
C7533
47/35
R7521
330
R7522
330
C7522
221J
C7523
221J
R7527
22K
R7526
22K
C7540
10/35
R7528
220K
R7529
220K
C7524
102K
D7520
1SS355
D7521
1SS355
C7531
102K
C7543
102K
D7522
1SS355
D7523
1SS355
C7534
47/35
D7530
UDZS5.1B
R7530
4.7K
R7534
100K
C7536
101J
R7532
330
S7623
S7625
S7644 S7634
S7633
S7632
S7631
S7635S7645
S7646 S7636
S7619
S7637S7647
S7638
S7639
S7640
S7629
S7627
S7622
R7621
270
R7622
330
R7623
470
R7624
560
R7631
270
R7632
330
R7633
470
R7634
560
R7635
820
R7645
820
R7644
560
R7643
470
R7642
330
R7641
270
R7625
820
Front Selector Buttons
S7624
R7618
3.9K
R7617
2.2K
R7626
1.2K
R7627
2.2K
R7628
3.9K
R7629
12K
R7636
1.2K
R7637
2.2K
R7638
3.9K
R7639
12K
R7649
12K
R7648
3.9K
R7647
2.2K
R7646
1.2K
S7628
S7650
S7649
S7648
C7502
104Z
R7500
220
C7503
104Z
R7501
220
D7500
UDZS10B
C7506
33/50
JL7560B
3
2
1
C7513
104Z
C7511
104Z
C7900
104Z
R7502
27K
C7519
104Z
Q7501
M66005-0001AHP
49
49:SEG2
50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
64:DIG4
1
DIG03
2
DIG02
3
DIG01
4
DIG00
5
_RESET
6
_CS
7
SCK
8
SDATA
9
P1
10
P0
11
VCC1
12
XOUT
13
XIN
14
VSS
15
SEG35
16
16:SEG34
17
SEG33
18
SEG32
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
-VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20
32
32:SEG19
33
SEG18
34
SEG17
35
SEG16
36
SEG15
37
SEG14
38
SEG13
39
SEG12
40
SEG11
41
SEG10
42
SEG9
43
SEG8
44
SEG7
45
SEG6
46
SEG5
47
SEG4
48
SEG3
C7518
104Z
R7506
2.2K
R7505
2.2K
R7504
2.2K
R7508
2.2K
R7509
2.2K
R7510
2.2K
R7503
2.2K
R7507
2.2K
C7514
104Z
R7954
100K
JL7591A
1
2
3
4
JL7590A
1
2
3
4
5
6
7
8
9
10
Q7503
2SC2712-GR
Q7504
2SC2712-GR
S7630
JL9303A
4
+3.3VMPU
3
-VP
2
FLAC2
1
FLAC1
P7501B
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
U7560
NJL34H380A
1
2
3
4
5
R7560
1K
C7561
102K
R7561
100
D7570
SIR-34ST3F
D7571
SIR-34ST3F
D7561
1SS355
C7562
102K
D7560
1SS355
C7538
10/35
R7539
220
Q7532
RN1441
R7540
47K
R7533
1.8K
R7536
33K
C7535
10/35
R7939
100K
C7560
220/6.3
C7501
223K
C7504
473K
C7505
473K
Q7533
RN2403
C7510
C7509
C7507
C7508
Q7502
M66005-0001AHP
49
49:SEG2
50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
64:DIG4
1
DIG03
2
DIG02
3
DIG01
4
DIG00
5
_RESET
6
_CS
7
SCK
8
SDATA
9
P1
10
P0
11
VCC1
12
XOUT
13
XIN
14
VSS
15
SEG35
16
16:SEG34
17
SEG33
18
SEG32
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
-VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20
32
32:SEG19
33
SEG18
34
SEG17
35
SEG16
36
SEG15
37
SEG14
38
SEG13
39
SEG12
40
SEG11
41
SEG10
42
SEG9
43
SEG8
44
SEG7
45
SEG6
46
SEG5
47
SEG4
48
SEG3
C7526
C7525
C7594
C7593
NC
NC
NC
NC
C7532
C7529
C7528
C7527
JL7591B
4
3
2
1
R7591
10K
R7593
10K
R7590
10K
R7592
10K
S7590
EVEHD1F3024B
1
Rotary Encoder
3
5
2
4
C7590
103K
C7591
103K
C7520
223K
L7582
022K
Q7531
Q7500
FL TUBE
HNA-16SL04T
1
F1
2
F1
4
P1
5
P2
6
P3
7
P4
8
P5
9
P6
10
P7
11
P8
12
P9
13
P10
14
P11
15
P12
16
P13
17
P14
18
P15
19
P16
20
P17
21
P18
22
P19
23
P20
24
P21
25
P22
26
P23
27
P24
28
P25
29
P26
30
P27
31
P28
32
P29
33
P30
34
P31
35
P32
36
P33
37
P34
38
P35
39
1G
40
2G
41
3G
42
4G
43
5G
44
6G
45
7G
46
8G
47
9G
48
10G
49
11G
50
12G
51
13G
52
14G
53
15G
54
16G
55
P36
56
P37
57
P38
58
P39
59
P40
60
P41
61
P42
62
P43
63
P44
64
P45
65
P46
66
P47
67
P48
68
P49
69
P50
70
P51
71
P52
72
P53
73
P54
74
P55
75
P56
76
P57
77
P58
78
P59
79
P60
80
P61
81
P62
82
P63
83
P64
84
P65
85
P66
86
P67
87
P68
88
P69
89
P70
91
F2
92
F2
R7535
1K
J7531
C7530
102K
D7531
1SS355
D7532
1SS355
P7530
1
8
7
3
2
4
5
R7531
100
L7530
022K
J7530
C7592
C7512
R7802
D7607
R7596
R7595
D7591
Q7598
Q7591
Q7592
Q7594
J7592
J7591
J7593
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
J7594
D7595
R7599
J7595
D7592
D7593
SLR-342MGTE7P
D7594
SLI-343URC-TE7
Q7611
TC74VHC08F(EL_K_F)
8
3Y
9
3A
10
3B
11
4Y
12
4A
13
4B
14
VCC
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
X4
AND
D7596 D7597 D7598 D7599 D7600
D7606D7605D7604
D7603
D7602
D7601
C7515
180J
Q7530:B
Q7530:A
NJM4580M-D
2
3
5
6
4
7
1
8
A
B
Q7520:B
Q7520:A
NJM4580M-D
6
5
3
2
8
1
7
4
Q7595
11
DATA
12
CLK
13
STB
14
CLR
15
NC
16
P1
17
P2
18
P3
19
P4
20
VDD
1
P5
2
P6
3
P7
4
P8
5
VSS
6
NC
7
P9
8
P10
9
P11
10
P12
Q7596
R7600
R7601
R7602
R7603
R7604
R7605
R7606
R7607
R7608
R7609
R7610
R7800
R7801
R7613
470
S7613
S7626
R7598
680
R7523
75
R7524
75
AUX INPUT
AUX OPT
AUDIO
R
L
VIDEO
S VIDEO
SETUP MIC
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
BOLD 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>
Refer to SCHEMATIC DIAGRAM-16 (SD-16)
for FL driver IC control waveforms.
U23
HEADPHONE PC BOARD
HEADPHONE
MASTER VOLUME
U26
VOLUME PC BOARD
U21
DISPLAY PC BOARD
U22
DISPLAY PC BOARD
U25
FRONT OPT PC BOARD
Not Used
WF63
WF62
WF61
WF63
WF62
WF61
+3.3V
+3.3V
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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