Block Diagram - Kenwood KDC-8026 Service Manual

KDC-8026/MP825
KDC-MPV8025/W7027
(X34- )
TUNER
AUDIO OUT
Q303,304
AM+B
8V 8V
BUFFER
8V
S-METER
SW5V
IC14
RDS
DECODER
CD
BU5V
EEPROM
8V
SERVO
CD4.7V
SW5V
CH
BACK UP
BU5V
Q501
EEP5V
IC1
EEPROM
TDF UNIT
(X16-208)
DISPLAY
UNIT
(X16-254)
IC7
(X16-255)
LEVEL
SHIFT
IC11
u-COM
IC9
REMO
SWITCH UNIT
(X16-256)
ROTARY
ENCODER
2

BLOCK DIAGRAM

IC2
FM
AM
CD
CH
AGC
BPF
QUAL
8V
BUFFER
SW5V
IC1
SYSTEM
MICROPROCESSOR
BU5V
2.5V
IC8
PANEL5
LEVEL
SHIFT
LED LED
Q6,10
PANEL
ILL+
SW5V
IC2
MASK IC6
ROM
3.3V
IC4
Q5
FLASH
ROM
SW3.3V
IC10
Q4
BPF
FL3.3V
AGC
Q2,3
FL FL+B
KEY
RESET SW
KEY MATRIX
8V
IC5
8V
E-VOL
SYSTEM
&
E'S+
MPX
IC6
WOW
IC20
FOCUS
SW
IC9
IC8
RESET
BU5V
IC15 IC16
MOTOR MOTOR
DR DR
SERVO
PANEL
MECHA
SW5V
FL+B
DC/DC
FAC
KEY ILL
Q207,208
IC13
PRE MUTE OP AMP
Q203,204
IC12
PRE MUTE OP AMP
Q205,206
IC11
PRE MUTE OP AMP
IC4
8V
POWER
IC
8V
MUTE
DRIVER BU5V
IC18
P-CON
Q23,24
ANT-CON
Q25
EXT AMP
Q26
DIMMER
TEL MUTE
Q29
ACC DET
Q27
B.U DET
Q1,2
BU5V BU5V
Q3,601
SW5V
SW 5V
Q502,503
PANEL5V PANEL
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
AUX IN
PRE OUT
(SUB WOOFER)
9V
PRE OUT
(REAR)
9V
PRE OUT
(FRONT)
9V
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
ACC
BACK UP