Block Diagram - Kenwood KDC-C469 Service Manual

QQ
3 7 63 1515 0
CN1
CN103
ACC
IC1
BATT
TE
L 13942296513
GND
+V(RF STAGE)
CD-CH
13P
+V(AUDIO)
CN102
IC101
SIGNAL
ISOLATION
(L/R) AMP.
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BLOCK DIAGRAM

IC1
KEY MATRIX
2,50-56
LCD DRIVER
19-22,32,66
CN101 CN101
Q1,6
ACC
DETECTION
AVR
(+5V)
Q308
MODE 1,2
IC102
2nd.
L.P.F.
x ao
y
i
8
LCD1
6-43
3
1
IC2
REMOTE
SENSER
IC2
HOLD
67
Q4,5
RESET
DRIVER
VDD
31
P ON
63
Q Q
3 6 7 1 3
12-17
CH-CONTROL
IC4
RIPPLE
AVR(+5.6V)
FILTER
IC301
FM-St.
EMPHASIS
MODULATOR
MPX
Q101,201 IC302
ALC
ALC
DETECTION
DRIVER
AMP
u163
.
KDC-C469/Y/FM/FMA
2 9 9 4 2 8
VDD
19-22,32,66
u-COM
29,30,60
PLL
74,77
1 5 0 5 8 2 9 9 4
26 61
Q310
MODE 1,2
Q306,
307
PILOT
MIX
RF
STAGE
RL1
Q304,305
LEVEL CONTROL
Q309
AUDIO MUTE
m
co
KDC-C669/Y
9 9
2 8 9 9
CN104
ANT IN
CN105
To
RADIO
3