JVC KS-AX7700 Schematics

KS-AX7700

SCHEMATIC DIAGRAMS

POWER AMPLIFIER
KS-AX7700
CD-ROM No.SML200303
Contents
Block diagrams Standard schematic diagrams Printed circuit boards
2-1 2-2 2-4,6
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
Area Suffix
No.49809SCH
2003/03
KS-AX7700

Safety precaution

!
Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.
KS-AX7700

Block diagram

5
BOOST 0-12dB CROSSOVER
INPUT
VARIABLE/INV.CIRCUIT(Gain1)/Amplifier
AMP
R-IN
31
U101
-A
7
VR101B
3
U102
-A
1
VR103A
4
3
U106
-A
1
2 2
3
U103
-A
50-250Hz 12dB/OCT VARIABLE
1
VR102A
2
U104
-A
1
VR102C
2
U105
-A
POWER
AMP
Q142-Q146 Q148,Q149 Q152 Q161-Q166
R-OUT
L-OUT
LPF HPF
OFF
SW101A
6
1
L-IN
57
U101
-B
6
VR101A
6
U102
-B
7
VR103B
3
U206
-A
1
1 1
5
U103
-B
7
VR102B
6
U104
-B
7
VR102D
6
U105
-B
7
HI-INPUT
3
+12V
D.C.
REM
2
R L
POWER
INPUT
F01,F02
Q701 Q702
Q790
CCFL+12V
INVERTER
LOAD
CCFL board
POWER
CONTROL
U701
VR701
POWER
REGULATOR
Q730,Q731 Q745-Q747 Q755-Q757
Q705
-708
TRANS & REGULATOR
Q780
T1 U703 U704
SW101B
LPF HPF
OFF
MUTE CONTROL
+/-15V VCC VEE
7
Q242-Q246 Q248,Q249 Q252
Q150 Q250
Q261-Q266
PROTECT
Q171-Q176
Q272
1
ABC DEFGH
2-1
Loading...
+ 7 hidden pages