Kenwood GX-201KEF2 Service Manual page 31

P
QQ
3 7 63 1515 0
R834
3.9K
0V
IC82
ESET
5.0V
R934
5.0V
3.9K
R827
10K
R824
1K
30
NC
29
R825
IC2 SCL
5V
10K
28
0V IC2 SDA
R823 1K
27 0V
BUS DO
R941
26 0V R821 1K 100K
BUS DI
∗
R950 1K
25
MSC
∗
R946 1K
24
F/R
∗
R945 6.8K
∗
R944
∗
23 1K R943 10K
MTL
∗
R942 1K
22
CDX-MTS
R953 100K
21
0V IC/VPP
∗
R940 1K
20
EQ MUTE 20
∗
R952 1K
19
DOLBY 19
∗
R939 1K
18
MUSIC 18
∗
5.0V
R937 100K
17
R819 R820 47K
NC
4.7K
16 5.0V
TE
ILL DET+
L 13942296513
15 0V R947 4.7K
ILL DET-
W884
R817 1K
14 5.0V
FM+B 14
0V R816 1K
13
AM+B 13
R814 1K
12 5.0V
IFC 12
R815 47K
R813 1K
11 0V
BEEP
10 0V
EVSS
9 5.0V
EVDD
∗
R888 3.3K
∗
R810 100
8
CDX CLK
∗
0V
R811 100
7
CDX SO/R QUAL
∗
∗
R965 2.2K
5V
R949 3.3K
∗
0V
R812 1K
6
CDX SI/R DATA
∗
R964 2.2K
5.0V
∗
5 R808 2.2K
UAL/MECHASCL
∗
R962
100
5.0V
R806 1K
4
PLL SCL
∗
3 5.0V R804
R DATA/
∗ ∗
MECHASDA
2.2K
R960 R961
2
PLL SDA
100
1
SC DATAIN
R802
1K
SDA
5.0V
R803
5V 5V
0V 0V
www
.
Q
F401 10A
Q820
Q852
25
24
23
23
Q853
22
Q850
Q802
ILL DET.
R914
47 BZ81
C833
0.1
Q801
8
22K
7
22K
6
BUZZER
5
R917 C823
10K 1200P
5
D811
SCL
3
R918 R919
4.7K 22K 13K
3
Q805
C899 BU DET.
Q815
0.1
10K
96
x ao
y
i
R
8
14
10
C902
2200P
R938
D812
4.7K
R929
4.7K
2
C226
AUDIO/NAVI SW
10u16 R220 68K
19
+
R218 4.7K
R216 68K
R214 47K
0V
R228 8.2K
IC23
D502
R213 47K
R217 4.7K
C225
10u16 R215 68K
20
+
R219 68K
44
Q Q
3 6 7 1 3
IC22
4.0V
E-VOL
D809
49
R933 100
IC84
5.0V
MUTE
0V 1 8
A1 VCC
0V
2 7
B1 Y1
0V
3 6
Y2 B2
0V
4 5
GND A2
5.0V
C900 0 .1
IC85
1 8 5.0V
A0 VCC
2 7 0V
A1 5.0V WP
3 6
u163
A2 SCL SCL
4 5
GND SDA SDA
0V
EEP-ROM
.
S
GX-201KEF2/LEF2/REF2/SEF2
2 9 9 4 2 8
CAR HARNESS (POWER SUPPLY,SPEAKER)
J2
14 13 12 11 10 9 8 7 6 5
4
D810
C320 R224
R222 0.22u50 1K
+
4.7K
0V
4.0V
MUTE
8.0V
R221 C319 R223
4.7K 0.22u50 1K
+
L201
1 5 0 5 8 2 9 9 4
4.7uH
C221
22K
0.1
C222
22K
47u10
+
5.0V
4.0V 4.0V
R208
4.7K
R273 330
R272 330
R251
2.2K
∗
D201
C201
D808
R255 R257
1.8K 68
∗
C200
R254 R256
2.2u35
1.8K 68
17 m
co
∗
R250
C202
2.2K
18
X14-694x-xx (4/6)
T
9 9
R407
33K
48
4 3 2 1
50
R412
3.9K
2
MUTE
4.0V
Q402
IC35
4.7K
Q401
4.7K
4.0V
R354
5.1K
2 8 9 9
MUTE
Q202
C231
4.0V 56P
C230
4.0V
56P
C216
0.1
4.7V
C215 0.1
W400
R253 C257 100P
C261
1u50
15K
R261
15K
ISO/
LPF
IC24
R259
15K
R258
15K
C260
C256
1u50
100P
C208
0.1
R252 R260
15K 15K
31