PRINTED CIRCUIT BOARD VIEWS-12
DTR-7.9
Soldering side
Soldering side
Soldering side
Soldering side
Soldering side
Soldering side
U22
DISPLAY PC BOARD (NADIS-9097)
U21
DISPLAY
PC BOARD
(NADIS-9096)
U24
POWER SUPPLY PC BOARD (NAPS-9099)
U23
HEADPHONE PC BOARD
(NAETC-9098)
U26
VOLUME PC BOARD
(NADIS-9101)
U25
FRONT OPT PC BOARD
(NAETC-9100)
C7590
C7591
R7590
R7591
R7592
R7593
٨
GNDDG
VO
L
B
VO
L
A
+3.3VMPU
٨
٨
1
٨
٨
1
1
٨
DSP_AC1
DSP_AC2
+3.3VMPU
-VP
FLAC1
FLAC2
FLAC2
-VP
FLAC1
+3.3VMPU
POFF2
+9VDG
GNDDAC
GNDDSP
+9VDC
GNDDC
C7581
C7582
C7583
C7580
D7580
D7581
D7582
D7583
٨
٨
1
GNDDG
HPDET
HP_R
HP_L
GND
C7520
R7520
C7501
C7502
C7503
C7504
C7505
Q7596
C7507
C7508
C7509
C7510
C7511
C7512
C7513
C7514
C7518
C7519
C7522
C7523
C7524
C7530
C7531
C7536
C7537
C7561
C7593
C7525
C7526
C7900
C7527
D7500
D7530
C7594
C7528
C7529
C7532
Q7611
R7629
Q7501
Q7502
Q7503
Q7504
Q7520
Q7530
Q7531
Q7532
R7800
Q7595
R7500
R7501
R7502
R7521
R7522
R7523
R7524
R7525
R7530
R7531
R7532
R7533
R7534
R7535
R7536
R7537
R7538
R7539
R7560
R7561
C7543
R7600
R7601
R7602
R7603
R7604
R7605
R7606
R7607
R7608
R7609
R7610
R7617
R7618
R7621
R7622
R7623
R7624
R7625
R7626
R7627
R7628
R7631
R7632
R7633
R7634
R7635
R7636
R7637
R7638
R7639
R7641
R7642
R7643
R7644
R7645
R7646
R7647
R7648
R7649
R7939
R7954
C7515
C7562
Q7533
D7520
D7521
D7522
D7523
D7531
D7532
D7560
D7561
R7526
R7527
R7528
R7529
R7540
R7503
R7504
R7505
R7506
R7507
R7508
R7509
R7510
R7801
٨
1
٨
٨
1
٨
٨
٨
٨
٨
٨
٨
٨
٨
1
-VP
+3.3VMPU
FLAC2
FLAC1
1
٨
٨
٨
1
٨
٨
٨
1
1
1
1
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
٨
1
٨
٨
٨
LEDSTBY
LED
W
A
IT
Q8
LEDZ2
LEDZ3
LEDPURE
KEY0
+5VMPU
GNDDG
KEY0_1
VOLA
VOLB
+3.3VMPU
GNDDG
DIGSDO
DIGCLK
FLD1CS
KEY2
FLD2CS
FLDRST
KEY0
KEY1
KEY3
LEDLA
TCH
KEYINT1
+3.3VST
+3.3VMPU
GNDDG
VO
L
A
VO
L
B
LEDZ3
LEDSTBY
LED
W
A
IT
OPTF
LEDZ2
LEDPURE
MICDET
REMIN
+5VMPU
MIC
MICMUTE
A
U
X2_L
GND
A
UX2
GND
VD
+15V
A
A
U
X2_R
-15V
A
A
U
X2SV_IN
A
U
X2SY_IN
A
U
X2SC_IN
IRINA1
IRINA2
IRINB1
IRINB2
Q7591
Q7592
Q7593
Q7594
R7595
R7596
R7597
R7598
R7599
R7611
Q7598
R7612
R7613
R7614
R7615
R7616
R7802
KEY0_1
GNDDG
+5VMPU
KEY0
LEDPURE
LEDZ3
LEDZ2
LED
W
A
IT
LEDSTBY
Q8
٨
1
٨
٨
A
1
2
3
4
5
B
C
D
E
F
G
H
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