11
11
XM-280GTX
1
A
B
C
D
E
F
G
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
MAIN BOARD (SIDE B)
D1
EC13
MC5
EC12
ZD4
ZD3
EC105
REM
HIGH LEVEL INPUT
INPUT
LEVEL
FILTER
OUTPUT
(THROUGH)
30A
FUSE1
EC205
L2
MC102
L5
FET1
FET2
FET3
FET4
R72
TH1
T3
MC1
1
3
C209
Q211
Q210
Q206
Q212
Q209
Q205
Q207
MC201
R235
R236
ZD5
ZD2
MC4
MC3
Q4
Q106
IC7
EC5
EC6
EC10
L1
EC9
C109
EC203
EC103
CB201
CB202
CB203
ZD1
Q3
EC26
EC16
C2
C1
EC11
EC7
EC22
EC8
EC21
EC107
EC207
EC202
EC201
EC101
EC102
C25
MC203
MC103
CB101
CB102
CB103
MC202
MC2
EC4
EC3
+12V
GND
D2
TER1
VR1
VR3
LPF OFF
LOW
BOOST
(40Hz)
VR2
SW1
Q7
Q109
Q105
Q110
R136
R135
R
Q112
Q111
Q107
MC101
C16
MC104
MC204
SPEAKER OUT
JK1
TER2
L
(BTL)
T1
-2
-4
-1
-3
-4
-2
-3
-1
R
L
-3
L
-1
L (BTL)
-4
R
-2
R
1-688-243-
G
D
S
G
D
S
G
D
S
G
D
S
LED BOARD
(SIDE B)
(11)
11
YEL
BLK
ORG
E
E
C
B
E
C
B
B
C
E
B
C
E
B
C
E
E
C
B
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
B
C
E
C
E
B
C
E
C
B
E
C
B
2
1
3
4
-4
-3
-2
-1
-2
-1
-1
-2
-2
-1
3-3. PRINTED WIRING BOARDS — MAIN SECTION (2/2) — • Refer to page 9 for Common Note on Printed Wiring Boards.
D1
B-3
D2
C-3
FET1
D-3
FET2
E-3
• Semiconductor Location (Side B)
Ref. No.
Location
Ref. No.
Location
FET3
E-3
FET4
F-3
IC7
E-8
IC8
B-5
Q3
E-9
Q4
E-9
Q7
F-6
Q105
E-12
Q106
C-12
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Q107
D-13
Q109
E-12
Q110
C-12
Q111
E-13
Q112
C-13
Q205
C-7
Q206
C-9
Q207
B-8
Q209
C-8
Q210
C-9
Q211
B-8
Q212
B-9
ZD1
E-10
ZD2
E-8
ZD3
G-5
ZD4
G-5
ZD5
F-8
Ref. No.
Location
Ref. No.
Location
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