Block Diagram - JVC KS-AX6700 Service Manual

KS-AX6700

Block diagram

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