Kenwood kdc-5090r/ry Service Manual page 2

QQ
3 7 6 3 1 5 1 5 0
A1
F/E SW5V
PLL+B
Q45,47
FM+B
Q46,48
AM+B
AUDIO OUT
S-METER
IFC OUT
PLL DATA
PLL CLK
1200mV
CD
SCL
SDA
SERVO+B
A8V
BU5V
SW1
SW2
SW3
MUTE L
MUTE R
RST
STOP
T E
L 1 3 9 4 2 2 9 6 5 1 3
LO/EJ
MO SW
1200mV
CH
BACK UP
RST
BU5V
REQ C
CLK
DATA H
CH-CON
REQ H
DATA C
(X13- )
IC2
REMO
PANEL 5V
IC1
LCD DRIVER
www
ED1
KEY LCD
MATRIX
(BACK LIGHT WLED)
DIMMER
PWM CONTROL
.
251mV
230mV
SW5V
Q51
FM+B
IC7
Q43
RDS
NOISE
DECODER
BUFFER
IC1
u-COM
L CE
L DATAL
L CLK/PANEL
REMO
MUTE
DRIVER
IC8
RESET IC
RESET
SW
Q5
LCD AVR
Q3,4
G/R SW
Q19-22
ILLUM
+B
x a o u 1 6 3
y
i
8
A8V
IC2
Q1,2,5,6
FM
MUTE
AM
CD
E-VOL
CH
MUTE
DRIVER
MUTE
P MUTE
Q26
DIMMER
Q Q
3 7 6 3 1
Q34
ACC
DET.
SW5V
PANEL 5V
Q55,56
PANEL 5V
PANEL5V
Q33
BU DET.
PANEL
POSITION
DET.
SERVO+B
A8V
Q16,17
.
2 4
9 9 8
PRE OUT OUTPUT VOLTAGE
Q7
IC3 MODEL LEVEL
CD 3600mV
FM 1372mV
AM 855mV
CHANGER 3600mV
IC4
POWER IC
5 1 5 0 8 9 2 4
2WAY
MUTE
SW5V
BU5V
Q13 Q11,12
BU5V
SW5V
Q30,32
Q27,29
P CON
Q18
SERVO AVR
Q14,15
A8V
SW14V
m
c o
2
9 9
PRE OUT
SP-OUT
DIMMER
9 8 2 9 9
TEL-MUTE
NAVI-MUTE
ACC
P-CONT
ANT-CONT