XW-HTD640
17
5
7
8
5
6
7
8
C
D
F
A
B
E
DC FAN
MOTOR
R ch
SPEAKER
: B70AC50-52C
L ch
SPEAKER
: B70AC50-52C
LIN
1
CN3304
CN3302
GNDA
2
RIN
3
GNDA
4
STBY
5
MUTE
6
REF5V
7
SENSE (PRE12V)
8
PRE12V
9
GNDPRE12V
10
H/L CONT
GNDP
12
11
GNDP
13
+B
14
+B
15
1
2
3
4
5
6
7
8
9 10
12
11
13 14 15
R+
1
CN3306
CN3301
R–
2
GNDP
3
L–
4
L+
5
1
2
3
4
5
D
OP ASSY
(AWU8231)
H
AMP ASSY
(AWU7968)
AMP MODULE L-2CH (AXQ7253)
UPRE5V
1
CN3305
CN3303
PRE5V
2
SENSE (PRE+5V)
3
GNDPRE5
4
PRE12V
5
H/L CONT
6
REF5V
7
XPROTECT
8
FANGND
SL+ (R+)
SL– (R–)
SR– (L–)
SR+ (L+)
9
+B
+
–
10
1
2
3
4
5
6
7
8
9 10
I
REGULATOR ASSY
(AWU7969)
RVIN
9
GNDA
10
CH. select
VA+9
12
11
VREF
13
J3401
1
2
3
4
9 10
12
11
13
CN3651
1
2
NOTES: • When ordering service parts, be sure to refer to “EXPLODED
VIEWS and PARTS LIST” or “PCB PARTS LIST”.
• The
>
mark found on some component parts indicates the
importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical
designation.
• : The power supply is shown with the marked box.
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
