Kenwood GX-201KEF2 Service Manual page 34

AE
GX-201KEF2/LEF2/REF2/SEF2
QQ
3 7 63 1515 0
(X25-929x-xx)
1
ED2
S5
S1
S4
S3
S2
S12
2
∗
A
C47
CN1
0.1
FL(H)DC- 12
FL(H)DC+ 11
3
FL(H)GND 10
X14-
CN11
FL(H)+B 9
1/2
LAMP+B 8
LAMP+B 7
A
LAMP GND 6
LAMP GND 5
FL(A)DC- 4
FL(A)DC+ 3
FL(A)GND 2
TE FL(A)+B 1
L 13942296513
4
5
CN2
ILL OUT 16
SC DATA IN 15 57
MC DATA IN 14 58
MC REQ 13 59
X14-
CN10 SC CON 12 53
SC RST 11 75
1/2
SC BKUP 10 46
IGN DET 9 45
B
RST SW 8
D GND 7
D GND 6
6
BU 5V 5
BU 5V 4
ACC DET 3 41
HTR RX 2 17
HTR TX 1
www
7
34
X25-929x-xx (1/2)
AF
S6 S7 S8 S9 S10 S11
3a 2a 1a
S14
2f
3f
1f
2b 1b
3b
3g 2g 1g
3c 2c
3e 1c
1e S16
2e 1d
3d 2d
Dp
C55 C16 R103
1 0.1 4.3K
BGND
C1
47u6.3
+
14
1
D23
R113 5.6K
10
D22
R112 5.6K
D31 D32
R133 3.9K
D28
R132 2.2K
D27
R131 1K
D20 D21
R111 1.2K
D19
R130 1K
D17 D18
R110 620
D16
R109 5.6K
D33
R143 5.6K
D15 D14
R108 820
Q4,5
VFD
D12 D13
R107 620
5V
D29 D11
R142 560
D10
R106 2.2K
∗
∗
D34
R175 5.6K
Q27
R134
Q28
2.2K
C14
0.01
ILLUMINATION 10V
L7
4.7uH
Q26
47K
16
Q25
10K
SW5V
x ao
CAUTION : For continued safety, replace safety critical components only with manufacturer's
. i
recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or
resistance measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.
AG
ED3
S5
S13 S13
S14
S15 S15
S16
62
5.0V
IC3
8
1
VCC
A0
2 7
A1 0V WP
3 6
A2 SCL
4 5
GND SDA
EEP-ROM
0V
∗
R81
Q Q
10K
CGND
3 6 7
∗
R84 10K
C63
1
C50
0V
0.1
BGND
5.0V
R183
0V
1.8K
R184
R18
1.8K
2.2K
37
R185
R19
38
1.8K
2.2K
0V
Q37
Q5
R187
220K
R129
R182
1K
22K
41
0V
Q4
R15
220K
R22
1K
45
R23
1K
Q36
46
47K
R25 47K
47K
R26 47K
R27 47K
5.0V
BGND
u163
y
AH
2 9 9 4
8
S6 S7 S8 S9 S10 S11
3a 2a 1a
2f
3f
1f
2b 1b
S2
3b
3g 2g 1g
3c 2c
3e 1c
1e
2e 1d
3d 2d
Dp
S12
C55 C16 R103
1 0.1 4.3K
BGND
R188
10K
Q24
5.0V
5.0V
C4
0.1 3.0V
5.0V
26
1 3 TYPE1 1 5 0 5 8 2 9
0V or 5.0V
27
TYPE2
0V
5V
0V
28
DVRH
29
DVSS
30
NC
31
NC
32
AVCC
33
AVRH
34
AVRL
35
AVSS
36
NC
37
HVFD DATA
0V
38
HVFD CLK
39
NC
40
VSS2
PANEL u-COM
41
ACC DET 0V or 5.0V
42
SW5V ON
43
NC
44
NC
45
IGN DET
5.0V
46
SC BKUP
47
MD0
5.0V
48
MD1
0V
49
5.0V
MD2
50
HST
TP115
75
m
co
.
AI
2 8
9 9
ED1
S
S1
S4
S3
∗
B
9 4 2 8 9 9
IC1
5V
0V
0V
68