Kenwood KDC-W4044UA Service Manual page 33

Z
5
TP25
GA 1GA
5
S2
RESET
CP11
100
15
14
1
TP37
KS1
S14
S15
FM+ SCAN
2
TP38
KS2
80
S11
79
78 6
6
77
R14
TP39
KS3
4.7K
76
S6
R15
4.7
C12 1
TP40
0.1
KS4
S3
0V
S4
SRC EJECT
TP41
5
KI5
4
KI4
3
KI3
4
2
KI2
1
KI1
6
AA
SWITCH UNIT (X16-6xxx-xx)
MODEL NAME
U333
KDC-MP242U
KDC-MP342U
KDC-MP443U
2009
KDC-MP5043U
USB
KDC-MP543U
ENTRY
KDC-W4044UA/UAY
KDC-W4044UG/UGY
KDC-W413UA/UAY
KDC-W4544U
KDC-W4644UY
CKDCMP2042U
VISTEON CKDCMP7079DU
CKDCMP7079TU
ED1 : 3-BT-262N
5
IC1 : BU9754KV-E2
IC2 : PIC95603
SIGNAL LINE
GND LINE
B LINE
KEY MATRIX
S1 KI1 KI2
KS1 FM SCAN
VOL
KS2 6 5
VOL
KS3 1 2
AUDIO
KS4 SRC EJECT
PANEL
KS5
DET
ESD GND
S17 S19
S16
S18 S20
DISP AM-
S12 S13
5 4
S7 S8 S9 S10
2 3
S5
TP42 TP43 TP45 TP46
4
D-
D+
3
AB
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
DESTI- UNIT
D1-7,9 D8,11-14
NATION No.
J X16-6470-01 B30-1782-05 B30-1781-05
K1 X16-6472-71 B30-1779-05 B30-1779-05
K X16-6470-10 B30-1779-05 B30-1781-05
M3 X16-6472-71 B30-1779-05 B30-1779-05
M1 X16-6470-21 B30-1781-05 B30-1781-05
M2 X16-6470-21 B30-1781-05 B30-1781-05
E1/E5 X16-6472-71 B30-1779-05 B30-1779-05
E2/E6 X16-6472-72 B30-1780-05 B30-1780-05 B30-1780-05
E3/E7 X16-6472-71 B30-1779-05 B30-1779-05
E X16-6470-10 B30-1779-05 B30-1781-05
E4 X16-6470-10 B30-1779-05 B30-1781-05
R X16-6693-20 B30-1779-05 B30-1779-05
R1 X16-6693-21 B30-1780-05 B30-1780-05 B30-1780-05
R2 X16-6693-22 B30-1534-05 B30-1534-05 B30-1534-05
D1-7,9 :
D8,11-14 :
D15-17 :
CAUTION : For continued safety, re place safe ty critical
D21 : B30-1779-05
D101 : FTZ6.8E com po nents only with manufacturer's rec om mend ed
D102 : DA204U
parts (refer to parts list).
Indicates safety critical com po nents. To reduce the risk
of electric shock, leakage-cur rent or re sis tance mea sure-
ments shall be carried out (ex posed parts are ac cept ably
in su lat ed from the supply cir cuit) be fore the ap pli ance is
returned to the customer.
• DC voltages are as measured with a high impedance
volt me ter. Val ues may vary slight ly due to vari a tions
between in di vid u al in stru ments or/and units.
KI3 KI4 KI5
AUD DISP AM
4
3
e
S1
S8
J3
1
R101
TP49
22
2
TP50
USB
R102
3
22
4
TP44
19
J2
TP47 1
22
TP48 2
AUX
20
3
21
AC
R31, R34,
D15-17 R33 R37
32 35
470 390 560
470 470 750
470 390 560
470 470 750
220 220 560
220 220 560
470 470 750
470 470 750 470
470 470 750
470 390 560
470 390 560
470 470 750
470 470 750 470
560 560 820 560
a
j
h a
f
b
k
g
f
m
g
c
n
r
e
p
d
d
(1GB,2GB,3G) (2GA)
S2
S10
S9 S11
S12
S16
S17
S13
S15
S14
S7
S6
(1GA)
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY (2/2)
X16-647x-xx (2/2)
AD
1
2
3
b
4
c
S3
S4
5
S5
6
7
33