Kenwood ez500 Service Manual page 16

Cd receiver and fm/am tuner
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A
EZ500
QQ
3 7 63 1515 0
1
2
E
WIRED
REMO/OEM
DISP OUT
3
OPEL
REMO
1
2
5
3
4
1
GND
TE
L 13942296513
2
REMO
3
O CE
4
O CLK
4
5
O DATA
AUDIO+B
to
CD MECHA
UNIT
5
SERVO+B
6
www
7
16
X34-3080-14 (1/4)
B
ELECTRIC UNIT(X34-308x-xx)
J4
ANT.
L3
FM/AM
TUNER
A1
1
RFGND
2
FMIN
3
AMIN
4
OSCGND
5
N.C
6
AM+B
7
OSCGND
8
OSCGND
9
N.C
10
OSCGND
11
VT
L6 4.7uH
12
PLL+B
13
R101 1K
IFCOUT
R102 470
14
SDA
R104 470
15
SCL
16
D-GND
L7 4.7uH
17
VDD5V
18
N.C
19
N.C
20
AUDIO
21
N.C
R106
22
S-METER
2.2K
L8 4.7uH
23
IF+B
C503
24
IF GND
4700P
CN5
C
2
R369 470
1
CN6
R368 470
R372 100
3
65
R367 470
R371 100
2
66
R366 470
R370 100
1
67
D351
D352
CN2
D-OUT
24
R51 2.2K
SW2
23
91
R52 2.2K
SW1 22
90
MS-CLK
21
19
MS-DA
20
18
19
Lch 18
GND
17
Rch 16
43
R53 1K
MUTE-R
15
29
R54 1K
MUTE-L
14
28
R55 1K
M-RST
13
25
R56 1K
M-STOP
12
24
SW4
11
R58 2.2K
SW3 10
27
R63
2.2K
BU5V
9
DGND
8
DGND
7
D4.5V
6
D4.5V
5
R59 100
LO/EJ
4
23
R60 2.2K
MOSW
3
22
2
SERVO
1
GND
SERVO
SW14
Q21
Q22
R21
1.5K
x
ao
.
i
C
C357 0.01
C356 0.01
D359
C119 0.01
D
R373 1K
C360
0.01
Q101
84
100
1
L9
4.7uH
13
82
C111
1000P
5V
0V
1
1
PLL CLK
2
N.C
3
3
PANEL DET
4
Q Q
4
IC2 SDA
5
3
6 7
5
IC2 SCL
6
VDD
5.0V
7
0V
VSS
8
8
FLIP-DET
9
9
BEEP
10
10
REMO
11
11
R QUAL
12
12
R DATA
13
13
L CE
14
14
VILL DATA
15
15
VILL CLK
16
16
DSI
17
17
DIM CON
0V
18
TEST
19
19
ILL CON
20
20
VOL A
21
21
VOL B
22
22
MOSW
23
23
LO/EJ
24
24
M STOP
25
25
M RST
5V
0V
R408 100K
3
RESET
NC
IC
0V
4
VSS
u163
y
IC1
:
Q1-3,41
:
2SC4081
IC2
:
TDA7411
Q4
:
2SA1036K
IC3
:
BA4911-V4
Q21
:
2SD2375
IC4
:
TB2903H
Q22,23
:
UMC2N
IC6
:
HD74HC27FP-E
Q31,153
:
DTC144EUA
IC7
:
SAA6581T
Q32
:
DTA123JK
IC8
:
PST3436UL-E
Q101,201,351,352,
IC9
:
SI-8050JD
355-358
:
DTC143TUA
Q151
:
DTA114YUA
D
2 9
9 4
8
RDS
DEMODULATOR
5V
IC7
0V
R113 2.2K
1
11
QUAL
RDCL
R112 2.2K
2
12
RDDA
5V
0V
C117
2.2u50
2.5V
3
VREF
+
TCON
OSCO
C116
330P
2.5V
4
MPX
5.0V
5
VDDA
OSCI
0V
6
VSSA
VDDD
2.5V
7
CIN
VSSD
SYNC
2.5V
8
SCOUT MODE
AM8V
A8V
5V
0V
5V
0V
5V
1 3
1 5
0 5
8
2 9
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
or 0V
0V
5V
5V
0V
0V
5V
0V
5V
0V
5V
0V
IC8
X2
2
5.0V
VDD
4.6V
1
VOUT
M5V
m
VDD5V
BU14V
SW5V
co
Q152
:
2SA1576A
D1
Q154
:
2SA1577
D2-4,309-311,357,358
Q350,354
:
DTA124EUA
.
D21
D22-25
D26
D31
D32
D41
E
2 8
9 9
R114
16
2.2K
15
R115
C112
2.2K
27P
14
C113
27P
13
4.332MHz
12
5.0V
11
0V
10
0V
9
0V
5
5V
or
0
0V
5V
9 4
2 8
9 9
5V
0V
0V
5V
5V
0V
0V
5V
0V
IC1
SYSYTEM
MICROPROCESSOR
R409
15K
X1
R411 22K
R416 22K
R420 22K
C404
0.01
:
1N5393G-M6
D
D
:
MA4068(N)-M
:
MA4082(N)-L
D
:
AM01ZNF
D
:
DAN202U
D
:
HZS5B1
D
:
MA4056-M
D
:
SFPB-54V

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