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Block Diagram - Kenwood GX-201KHF2 Service Manual

Cd & heater control receiver.
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GX-201KHF2/LHF2/RHF2/SHF2
(X14- )
W1
FM/AM
ANT
FM
DIVERSITY
A3
(2-73,
FA/AM TUNER
(FRONT END)
2-74)
ONLY
IC13,
14
RDS
(X25-929)
X89
LED
ILLUMINATION
ANT
AM : 215mV-rms
CD-MECHA
CD : 1.2V-rms
EXT-UNIT
CH : 1.2V-rms
NAVI : 1.2V-rms
2

BLOCK DIAGRAM

(X89-254)
IC31
CD SERVO
AVR
IC11
Q602
DC/DC
AVR
IC12
AM NOISE
A1
CANCELLER
DC/DC
AUDIO
IC22
IC23
E-VOL/
FRONT
NAVI
SIGNAL
SW
PROCESSOR IC
REAR
CD MECHA
X81
OSC
12.582MHz
ED1
AUDIO
KEY
FL DISPLAY
MATRIX
LEVEL DIAGRAM
FM
GX-201KHF2/SHF2
500mV-rms
GX-201RHF2/LHF2
270mV-rms
TUNER
GX-201KHF2
FM
IC12
GX-201SHF2
CD : +5dB
AM/NC
AM
CH
: +5dB
0dB
FM : +7dB
LPF
AM
: +16dB
-7.5dB
IC22
MPX,
LOUD,
E-VOL,
FAD,
BASS,
BAL
TRE,
MID
NAVI
IC11
BU5V, AUDIO8V,
LED10V AVR
X25
Q605
Q104
Q102
Q813
DC/DC
AM 8V
FM 8V
SW
AVR
AVR
AVR
5V
A2
DC/DC
HEAT CONTROL
IC41
Q401,402
IC31-34
POWER
MUTE
FIX-EQ
AMP
IC81
SYSTEM u-COM
IC82
BZ81
IC83
RESET
BUZZER
BUS I/F
IC1
ED2
PANEL
HEAT CONTROL
u-COM
FL DISPLAY
LEVEL DIFFERENCE OF EACH SAUCE
(CD 1W OUTPUT)
GX-201RHF2
GX-201KHF2/SHF2
GX-201LHF2
AM
1kHz 30% mod.
CD
: +5dB
FM
1kHz 75kHz dev.
CH
: +5dB
CD
1kHz 0dB
FM
: +10.5dB
CH
1kHz 0dB
AM
: +18dB
IC31-34
IC23
FIX-EQ
SELECTOR
Q401,
FRONT
-1.5dB
402
MUTE
-23.8dB
-0.5dB
REAR
J1
IGN
AIR-CONDITIONER
UART
COMMUNICATION
Q808
Q815
IGN
BU DET
DET
Q807
ACC DET
Q802,850,851
ILLM +/-
DET
Q816
P-ANT
J1
BUS
(COMMUNICATION)
BUS
(AUDIO)
Q24,
25
UART
I/F
GX-201RHF2/LHF2
-16dB
1kHz 30% mod.
-14dB
-6dB
1kHz 40kHz dev.
-8dB
0dB
1kHz 0dB
0dB
0dB
1kHz 0dB
0dB
IC41
AMP
FRONT
SP
+7.5dB
+26dB
REAR
SP
-3dB
+26dB
J2
BU
ACC
ILLM +/-
P-ANT
SP

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Gx-201lhf2Gx-201rhf2Gx-201shf2

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