Block Diagram - Kenwood GX-401EF2 Service Manual

Cd cassette receiver
Table of Contents

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GX-401EF2
ANT.
A11
TUNER
PACK
IC21
SW-AMP
IC13
RDS
CD
MECHA
IC1
(X25)
EQ,
B/2
DOLBY
CASSETTE
IC2
MECHA
MOTOR
DRIVER
ANT
L12
DME
CD-MECHA
CME
CASSETTE-
MECHA
J1
CD-CH
2

BLOCK DIAGRAM

CD-CH
IC22
IC31,32
MPX
FIX-EQ
E-VOL
IC84
MEMORY
IC81
SYSTEM u-COM
(X25)
IC1
A/2
PANEL u-COM
ED1 VFD
KEY
MATRIX
A11
TUNER
FM
FM : 220mV
AM
AM : 150mV
IC21
SW-
AMP
CD : 1200mV
0dB
TAPE : 540mV
CD-CH : 1200mV
IC41
POWER
AMP
MUTE
IC82
RESET
Q101
FM+B
SW
Q103
AM+B
SW
LAMP
Level difference of
each source
AM
1kHz 30% mod.
FM
1kHz 40kHz dev.
CD
1kHz 0dB
TAPE
1kHz 0dB
CH
1kHz 0dB
IC22
IC31,32
FIX EQ
MPX,LOUD,
E-VOL,
BASS,TRE,
FAD,BAL
-11dB
CD
: +7dB
TAPE
: +15dB
CH
: +7dB
FM
: +15dB
-19dB
AM
: +14dB
(X14)
SP-OUT
Q94
P-ANT
P-ANT
Q709
BU-DET
BU
Q904
ACC-DET
ACC
TEL-MUTE
Q706
BU5V AVR
Q708
PON5V SW
Q704
A8V AVR
Q701
CD7V AVR
Q710
C5V AVR
Q605,606
LAMP AVR
SMALL
A61
DC/DC
-14dB
-9.7dB
0dB
-5.7dB
0dB
IC41
POWER
AMP
FRONT
SP
+34dB
REAR
SP
+34dB

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