-27-
SCHEMATIC DIAGRAM -6/6 (AMP MAIN C.B -2/2) MAIN AMP SECTION
XA-DV1
23V
6A
23V
5A
23V
4A
GND
3A
23V
2A
POWER DET
1A
STANBY
11A
5V
10A
-9V
9A
9V
8A
5V
7A
NC
NC
A
To
HP-JACK C.B
CN552
1
1
4
8
T
o
SPEAKERS
T
o
SPEAKERS
IC302
IC402
TA2025
IC452
0.1
0.1
To
FRONT C.B CN1
To
SELECTOR C.B
CN203
To
SELECTOR C.B
CN202
To XD-DV1
MAIN C.B
(AUDIO OUTPUT
SECTION)
CN800
To
POWER
SECTION
1-11A
AMP MAIN C.B -2/2
(MAIN AMP SECTION)
MAIN AMP
MAIN AMP
MAIN AMP
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
DET SW
DET SW
DET SW
TH DET
TH DET
TH DET
STANDBY SW
STANDBY SW
STANDBY SW
RLY SW
RLY
DRIVER
MUTE SW
MUTE SW
MUTE SW
HP AMP
INV
NOTE :
ONE VOLTAGE POWER ON OR STANDBY
TWO VOLTAGES POWER ON AND (STANDBY) MODE
0.1
0.1
0.1
0.1
TA2025
TA2025
JP
INV2
INV1
O
Aout2
O
Aout1
O
VRDB
Vpp Sense
Vnn Sense
0
INV2
INV1
O
Aout2
O
Aout1
O
VRDB
Vpp Sense
Vnn Sense
0
INV2
INV1
O
Aout2
O
Aout1
O
VRDB
Vpp Sense
Vnn Sense
0
0
0
5
4.5(0)
0(4.5)
0(3.6)
3.3(1.5)
-9
9
2.8(0)
2.8(0)
0(5.0)
0(3.6)
4.2(0)
4.2(0)
-9
9
POWER ON : 3.3
STANBY : 1.5
HP ON : 0
0(4.2)
22.7(0)
3(1.4)
0
22.7(0)
22.7
22.9
7.7(0)
1
1.4
9.3
22.8(0)
5
0
0
0.7(0)
0(22.9)
1.2(0)
2.5(0)
0.8(0)
2(0)
2(5)
0.8(0)
0.8(0)
0
2(0)
1.3(0)
2.4(0)
4.7(0)
4.7(0)
0
1.2(0)
2.5(0)
0.8(0)
2(0)
2(5)
0.8(0)
0.8(0)
0
2(0)
1.3(0)
2.4(0)
4.7(0)
4.7(0)
0
1.2(0)
2.5(0)
0.8(0)
2(0)
2(5)
0.8(0)
0.8(0)
0
2(0)
1.3(0)
2.4(0)
4.7(0)
4.7(0)
0
4.8(5.0)
4.8(5.0)
0
0
4.8(5.0)
4.8(5.0)
0
0
4.8(5.0)
4.8(5.0)
0
0
28(23)
5
5
5(0)
28(23)
5
5
5(0)
28(23)
5
5
5(0)
22.9
22.9
22.9
22.9
22.9
22.9
: MIX L SIGNAL
: MIX R SIGNAL
: FL SIGNAL
: FR SIGNAL
: SL SIGNAL
: SR SIGNAL
: C SIGNAL
: SW SIGNAL
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
