Block Diagram; Display Unit; Switch Unit - Kenwood KDC-7024/Y Service Manual

QQ
3 7 63 1515 0
(X25-966)
TUNER
AUDIO OUT
Q102,103
AM+B
8V
Q104
BUFFER
8V
S-METER
IC12
RDS
DECODER
CD
BU5V
8V
SERVO
CD4.7V
CH
BACK UP
TE
L 13942296513
BU5V
Q501
EEP5V
IC1
EEPROM
TDF UNIT (X16-208)

DISPLAY UNIT

(X16-214)
IC2
LCD DRIVER

SWITCH UNIT

(X16-219)
ROTARY
ENCODER
www
.

BLOCK DIAGRAM

8V
Q53
BUFFER
SW5V
IC1
BU5V
BU5V BU5V BU5V
IC1 Q6
PANEL
SW5V
LCD DRIVER
WITH
IC3
KEY MATRIX
REMOCON
LCD
BU5V
KEY
RESET SW
KEY MATRIX
x ao
y
i
8
8V
IC2
FM
AM
CD
E-VOL
CH
&
MPX
QUAL
SW5V
IC8
u-COM
Q Q
3 6 7 1 3
IC7
RESET
BU5V
IC13 IC14
MOTOR MOTOR
DR DR
SERVO
PANEL
MECHA
SW5V
KEY ILL
u163
.
KDC-7024/Y,722,8023
2 9 9 4 2 8
Q59,60
PRE MUTE
PRE MUTE
IC4
POWER
IC
MUTE
DRIVER BU5V
Q25,26
P-CON
Q23,24
ANT-CON
Q29
EXT AMP
Q30
1 5 0 5 8 2 9 9 4
DIMMER
TEL MUTE
Q33
ACC DET
Q32
B.U DET
Q1,2
BU5V BU5V
Q3
SW5V
SW 5V
Q4,5
SW14V
SW 14V
Q6-8
A8V A8V
Q9,34
SERVO SERVO
Q11-14
ILL+B
IC5
CD5.0V
SW REG
m
co
9 9
AUX IN
PRE OUT
(REAR/NF)
PRE OUT
(FRONT)
SP OUT (FL)
SP OUT (FR)
SP OUT (RL)
SP OUT (RR)
WIRED REMO/
OPEL DISP I/F
P CON
ANT CON
EXT.AMP.CON
2 8 9 9
DIMMER
TEL MUTE
ACC
BACK UP
3