Integra DTR-80.1(B) Service Manual page 51

A B
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD VIEWS-12 / U005
U0050
DISPLAY PC BOARD (BADIS-0121)
Solderng side view from component side
1
Q7540
C7515
C7512
LEDZ4
œ
LEDSTBY
LEDZ2
LEDZ3
œ
N.C.
KEY0
+5VMPU
GNDDG
KEY2
KEY0_1 œ
2
KEY2_1
GNDAUX2 œ
GNDAUX2
MIC
MICMUTE
/MICDET
+15V œ
-15V
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
U0052
HEADPHONE JACK PC BOARD (BAETC-0123)
4
Solderng side view from component side
R L
w w w
5
.
GND
C
œ
œ
Q7504
œ œ
œ œ
Q7503
œ
œ
œ œ
œ œ
C7528
1 œ Q7501
R7508
R7507
R7509
R7510
U0053
FRONT OPT IN PC BOARD (BAETC-0124)
Solderng side view from component side
x a o
y
i
http://www.xiaoyu163.com
D E
8
1
œ œ
œ œ
œ œ
œ œ
œ œ
œ œ
Q7502
œ
C7594
1
C7593
Q Q
3 7 6 3
u 1 6 3
.
http://www.xiaoyu163.com
F G
2 4
9 9 8
40
R7511
R7512
C7508
C7509
N.C.
+3.3VMPU
-VP
FLAC2
R7501
FLAC1
œ
C7503
GNDDG
OPTF
+5VMPU
1
1 5 1 5 0 8 9 2 4
Q7534
R7527
U0054
VOLUME PC BOARD (BAETC-0125)
Solderng side view from component side
m
c o
DTR-70.1/80.1, DHC-80.1
H
2
9 9
9 8 2 9 9
R7526