Kenwood GX-201KEF2, Service Manual

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34
GX-201KEF2/LEF2/REF2/SEF2
AE AF AG AH AI
1
2
3
4
5
6
7
CN2
Q37
Q36
Q25
CN1
Q26
Q24
Q4
Q5
Q27
Q28
D17
D12
D10
D29
D33
D15
D16
D19
D27
D20
D31
D28
D23
D22
D18
D13
D11
D14
D21
D32
1/2
X14-
CN11
1/2
X14-
CN10
∗
D34
∗
B
EEP-ROM
ILLUMINATION 10V
PANEL u-COM
VFD
SW5V
5V
∗
A
IC3
ED2
IC1
ED1
(X25-929x-xx)
A
B
ED3
47K
10K
47K
47K
47K
10K
0V 5.0V
0V
5.0V
0V
5V
5.0V
0V or 5.0V
0V
5.0V
0V
0V
0V
0V
0V or 5.0V
5.0V
5.0V
5.0V
0V
5.0V
5V
0V
0V
0V
5.0V
5.0V
0V
5.0V
0V 3.0V
33
16
220K
C63
1
C50
0.1
ILL OUT
R182
22K
R181
22K
C44
C6
MC REQ
SC DATA IN
MC DATA IN
SC CON
SC RST
SC BKUP
14
15
13
11
12
10
IGN DET
RST SW
D GND
D GND
ACC DET
6
9
8
7
5 BU 5V
4 BU 5V
3
C7
0.01
R116
HTR RX
HTR TX
2
1
1K
R115
10K
6 LAMP GND
470P
FL(H)GND
FL(H)+B
LAMP+B
LAMP+B
FL(H)DC-
FL(H)DC+ 11
12
10
9
8
7
C47
C48
R141 1.8K
0.1
FL(A)DC+
FL(A)GND
FL(A)+B
LAMP GND
FL(A)DC-
5
4
3
2
1
R140
10K
0.1
NC
100K
1
C53
L7
4.7uH
R36 100K
R34 47K R33 47K
TP115
R30
R37 1K
R39 2.2K
R38
46
R27 47K
R26 47K
R15
R22
1K
49
50
48
47
R129
1K
R18
2.2K
45
44
43
42
41
40
36
39
38
37
35
34
55
KR0 A SC CON NC NC
51
53 52 54
SC BKUP
HST
MD2
MD1
MD0
A
VFD LA
T
MC REQ MC D
A
T
A
IN
SC D
A
T
A
IN
NC KR1 A
58 56 57 60 59
61
NC
SW5V ON
ACC DET
IGN DET
NC
NC
VSS2
HVFD CLK
HVFD DATA
NC
AVSS
AVRL
AVRH
R73 100K R75 100K
R82 100K
C46
0.1
0.01
C14
68
NC NC HVFD ON NC NC HVFD CS
63 62 64 66 65 67
NC A
VFD BLK
69
LGND3
0.1
C18
GND
2
A0
1
A2
A1
3
4
7
VCC
8
SDA
SCL
WP
6
5
SI
2
F-1
1
CS F-2
3
CLK
5 4
6800P
4.7uH
L4
C1
47u6.3
C55
1
12
22
R104
VDD
7
TS0
6
NC7
8
PGND NC10 VH
10
9
11
R103
4.3K
47P C19 C51
15
LGND1 OSC1
13
OSC2
14
LGND2
17
F+2 F+1
16 18
NC
C2 0.1
10K
32
31
30
29
28
27
10K
26
21
TYPE1
A
VFD CLK
DVSS
AVCC
NC
NC
DVRH
TYPE2
C
25 22 23 24
SCL SD
A
HMC D
A
T
A
HSC D
A
T
A
A
VFD D
A
T
A
18 19 20
VCC1
NC
15 16 17
NC
2.2K R13 10K
8
NC
12 13 14
NC NC
10 11
NC NC
VSS1
9
A
VFD ON
5
NC
7
NC
6
KR6 H
R11 1K R9 47K
R10 47K
0.1
C64
R113 5.6K
R112 5.6K
R133 3.9K
R132 2.2K
R131 1K
R111 1.2K
R130 1K
R110 620
R109 5.6K
R143 5.6K
R108 820
R107 620
R142 560
R106 2.2K
R118
33K
2.2K
R134
R135
4.7K
0.1 C5
1K
R31
1K
R35
1K
R29
1K
R32
KR1 KR0
1K
R43
2.2K
R40
∗
R81
R25 47K
BGND
0.1
C16
10K
R138
10K
R139
1
10
14
0.1
C49
BGND
CGND
220K
2.2K
R19
1K
R23
470
R12
47K R14
2.2K
10K R76
1K
R79
1K
R78
10K R77
0.1
C4
R17 R16
20
∗
R84 10K
57
58
59
53
45
46
75
17
41
∗ R83
R187
1.8K
R183
1.8K
R184
1.8K
R185
BGND
38
37
37 38
17 16
1K R5 R4
0.1
62
75
60 62
68
46
45
22
16
41
57 59 58 53
KR6
∗ R80
10K
∗
R175 5.6K
F+2 NC7 TS0
6 7
12
C19
C16 C55
R104
L4
4.7uH
1
22
0.1
9
VDD
8
PGND VH NC10
10
11
R103
6800P
4.3K
C51 47P
14
LGND1 OSC1
13
OSC2 F+1
15 16
BGND
LGND3 LGND2
18
17
38 37
1
CLK F-2
2
F-1
4 3
CS
5
SI
62
1K
Q4,5
1K
R188
10K
R189
+
S
3a
S1
S2
S3
S4
S12
S6 S7
S5
S8 S9 S10 S11
2a 1a
3f
2f
1f
3b
2b 1b
3g 2g 1g
3d 2d
1d
3e
2e
1e
3c 2c
1c
S13
S14
S16
S15
Dp
3a
S1
S2
S3
S4
S12
S6 S7
S5
S8 S9 S10 S11
2a 1a
3f
2f
1f
3b
2b 1b
3g 2g 1g
3d 2d
1d
3e
2e
1e
3c 2c
1c
S13
S14
S16
S15
Dp
X25-929x-xx (1/2)
CAUTION : For continued safety, replace safety critical components only with manufacturer’s
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.
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