Schematic Diagram -6/6 (Amp Main C.b -2/2) Main Amp Section - Aiwa SX-DV1 Service Manual

SCHEMATIC DIAGRAM -6/6 (AMP MAIN C.B -2/2) MAIN AMP SECTION

Q Q
3 7 6 3 1 5 1 5 0
AMP MAIN C.B -2/2
23V
2A
3A GND
4A 23V
5A 23V
6A 23V
To
POWER
SECTION
7A 5V
1-11A
8A 9V
9A -9V
10A 5V
11A STANBY
1A POWER DET
To XD-DV1
MAIN C.B
(AUDIO OUTPUT
SECTION)
CN800
To
SELECTOR C.B
CN202
T E
L 1 3 9 4 2 2 9 6 5 1 3
To
SELECTOR C.B
CN203
To
SURROUND C.B
CN602
5
To
SURROUND C.B
CN601
9
-9
w w w
5(0)
0(3.6)
2.8(0)
INV
x a o
y
. i
NOTE :
ONE VOLTAGE POWER ON OR STANDBY
To
TWO VOLTAGES POWER ON AND (STANDBY) MODE
FRONT C.B CN1
http://www.xiaoyu163.com
5(0)
28(23)
4.8(5.0)
5 5
0
TH DET
0
4.8(5.0)
DET SW
STANDBY SW
IC302
1
TA2025
4
Q Q
0
3 7 6
A
MUTE SW
2.8(0)
0(5.0)
-9
4.2(0)
MUTE SW
4.2(0) HP AMP
MUTE SW
9
u 1 6 3
.
(MAIN AMP SECTION)
-27-
http://www.xiaoyu163.com
8 9 2 4 9
5(0)
28(23)
4.8(5.0)
5 5
0
TH DET
0
4.8(5.0)
DET SW
STANDBY SW
1
IC402
TA2025
8
0 0
3 1 5 1 5 0 8 9 2
0(4.2)
22.7(0)
JP
To
22.7
HP-JACK C.B
CN552
22.7(0)
m
POWER ON : 3.3
STANBY : 1.5
HP ON : 0 c o
XA-DV1
8 2 9 9
0.1
28(23)
4.8(5.0)
5 5
0
TH DET
0
4.8(5.0) DET SW
STANDBY SW
IC452
TA2025
4 9 8 2 9 9
3(1.4)
0
0.7(0)
0(22.9)
RLY SW
22.9 22.8(0)
: MIX L SIGNAL
: MIX R SIGNAL
: FL SIGNAL
RLY
: FR SIGNAL
DRIVER
: SL SIGNAL
: SR SIGNAL
0
: C SIGNAL
5 0
: SW SIGNAL