Block Diagram - Kenwood KDC-9023R Service Manual

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QQ
3 7 63 1515 0
(X25-964)
TUNER
AUDIO OUT
Q303,304
AM+B
8V
8V
8V
BUFFER
S-METER
SW5V
IC14
RDS
DECODER
CD
BU5V
8V
SERVO
CD4.7V
CH
BACK UP
BU5V
Q501
TE
L 13942296513
EEP5V
IC1
EEPROM
TDF UNIT
(X16-208)
DISPLAY
UNIT
(X16-210)
IC7
IC8
LEVEL
LEVEL
SHIFT
SHIFT
IC11
u-COM
REMO
IC9
SWITCH UNIT
ROTARY
(X16-217)
ENCODER
www
.

BLOCK DIAGRAM

IC2
FM
AM
CD
CH
BPF
AGC
QUAL
8V
BUFFER
SW5V
IC1
u-COM
BU5V
PANEL5
IC3
Q6,10
PANEL
SRAM
SW5V
IC2
IC6
MASK
ROM
3.3V
IC4
Q5
FLASH
MEMORY
SW3.3V
IC10
Q4
BPF
FL3.3V
AGC
Q2,3
FL
FL+B
KEY
RESET SW
KEY ILL
KEY MATRIX
x
ao
u163
y
i
2 9
8
8V
IC5
8V
E-VOL
SYSTEM
&
E'S+
MPX
IC6
WOW
8V
IC20
FOCUS
8V
SW
IC9
Q Q
3
6 7
1 3
1 5
IC8
RESET
BU5V
IC15
IC16
MOTOR
MOTOR
DR
DR
SERVO
PANEL
MECHA
SW5V
FL+B
DC/DC
FAC
co
.
KDC-9023R
/PSW9524/X969
9 4
2 8
Q207,208
IC13
PRE MUTE
OP AMP
9V
Q203,204
IC12
PRE MUTE
OP AMP
9V
Q205,206
IC11
PRE MUTE
OP AMP
9V
IC4
POWER
IC
MUTE
DRIVER
BU5V
IC18
P-CON
Q23,24
ANT-CON
Q25
EXT AMP
Q26
DIMMER
TEL MUTE
0 5
8
2 9
9 4
Q29
ACC DET
Q27
B.U DET
Q1,2
BU5V
BU5V
Q3,601
SW5V
SW 5V
Q502,503
PANEL
PANEL5V
5V
Q4,5
SW14V
SW 14V
Q6-8
DC/DC
A8V
A8V
Q9,602
9V
SERVO
SERVO
Q11-14
FL+B
IC19
CD4.7V
SW REG
m
9 9
AUX IN
PRE OUT
(NF)
PRE OUT
(REAR)
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
DIMMER
TEL MUTE
2 8
9 9
ACC
BACK UP
3

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