Block Diagram - JVC KS-AX6700 Service Manual

KS-AX6700
QQ
3 7 63 1515 0

Block diagram

INPUT
VARIABLE/INV.CIRCUIT(Gain1)/Amplifier
AMP
R-IN
3
3 1
U101
7
-A
VR101B
L-IN
6
5 7
U101
6
-B
VR101A
HI-INPUT
R
L
CCFL+12V
POWER
Q790
F01,F02
INPUT
+12V
D.C.
Q701
Q702
REM
TE
L 13942296513
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.
2-1
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BOOST 0-12dB
3 3
1 1
U102 U106 U103
2 2
-A -A
-A
VR103A
5
3
7 1
U102 U103
U206
1 1
-B -B
-A
VR103B
CCFL
INVERTER
LOAD
board
CONTROL
x ao
y
i
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8
CROSSOVER
50-250Hz 12dB/OCT VARIABLE
2 2
1 1
U104
-A
VR102A VR102C
6 6
7 7
U104
-B
VR102B VR102D
TRANS
POWER POWER
& REGULATOR
REGULATOR
T1
Q730,Q731
U703
Q745-Q747
U701
Q755-Q757
U704
VR701
Q705
-708
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
POWER
AMP
SW101A
1
LPF
U105
-A
HPF
6
OFF
Q142-Q146
Q148,Q149
Q152
Q161-Q166
SW101B
7
LPF
U105
-B
HPF
7
OFF
Q242-Q246
Q248,Q249
Q252
Q261-Q266
Q150
Q250
MUTE
CONTROL
PROTECT
Q780
+/-15V
VCC
VEE
1 5 0 5 8 2 9 9 4
m
co
9 9
R-OUT
L-OUT
Q171-Q176
Q272
2 8 9 9