Kenwood XXV-02A - 25th Anniversary Products Amplifier, Руководство по обслуживанию

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XXV-02A
16
U V W X Y
1
2
3
4
5
6
7
X08-4240-10 (1/2), X09-5940-10 B/2 (1/1)
15.0V
15.0V
-15.0V
5.0V
3.5V
1.7V
5.0V
5.0V
IC7
ED2(SEGMENT)
PREAMPLIFIER UNIT (X08-4240-10)
(X09-5940-10) (B/2)
A
CN2
BCH
ST/MONO
S3
S9
S8
S7
15Hz24Db/oct
(3/4)
IC2(2/4)
IC2(1/4)
IC2(4/4)
S4
CN1
ST/MONO
ACH
S1
HPF,12dB/oct,
F=VRcont
IC1(2/4)
IC1(1/4)
S2
INPOUT SENS.
ON/OFF
ISF,
IC2
D2
WH2
IC
D
IC
IC
D
E
ENT
IC
B30-1601-05
D79
D79
D92 1SS355 :
:
CN2
D92
CN1
1/2
CN4
X09-
(F09-1885-15)
FAN
(F09-1846-15)
FAN
LCD DRIVER
ISO-BL 9
C18 0.01
TP155
TP51
C200
10u35
DGND
FAN+B 2
1
R248
15
1000P
R247
15
C906
R200 4.7K
TP145
Ach
TP153
100K R210
R211
1K
Bch
SCL-BMS
SDA-BMS
MUTE-BMS
1
2
6 ISO-AR
ISO-AL
3
4
5
ISO-BR 7
8
R9
47K
TP152
2
1
3
TP49
47K
TP47
R2
5 4
7
6
47K
8
R1
C3
0.22
57
24
R203 470
R204 470
R205 470
R202 470
C201
0.01
CL
64
DI
S3 S2 S1
2
1
3
DE
DO
OSC
VSS
VDD2
VDD1
63
62
61
60
59
58
S11 S7 S6 S5 S4
5 4 7 6
S10 S9 S8
9 8
11
10
S18
S15 S14 S13 S12
13 12 15 14
S16
16
S17
S21
S19
S20
S22
S23
S24
TP126
TP125
TP124
TP123
TP122
TP121
TP120
TP119
17
18
19
20
21
22
23
TP150
KI1
VDD
TEST
KI5
KI4
KI3
KI2
54
56
55
53
52
51
KS6
50
49
KS3 KS4 KS5
47 48 46
R208
1K
TP113
S38
COM2 COM3
KS1
KS2
44 45 42 43
S39 S40
COM1
40 41 38 39
S31
S25
S26
S27
S28
S29
S30
S34 S35 S36 S37
36 37 34 35
S33
S32
33
TP115 TP117 TP116
TP114
TP159
TP158
TP56
4 5
6
7
TP55
10
TP57
9
C62
0.22 C8
0.22
TP53
R3
130K
C5
0.22
TP52
R5
22K
3
2
1
C61
0.22
C7
0.22
R237
39K
TP54
12
13
10u35
8
TP58
TP161
TP160
C64
1
2 3
TP157
R239
47K
11
4 5
7
10u35
TP156
14
C63
6
8
TP118
27
25
26
28
29
30
31
32
R111
47K
22 AMP-BL
ISO-GND
AMP-AL
AMP-AR
ISO-GND
AMP-BR
DI
CL
CE
10
11
12
DO
DGND
13
14
15
19
GND
16
17
18
GND
20
21
ILL-GND
LOGO-LED
FAN+B
ILL+B
23
24
25
+15V
SW5V
-15V
26
27
28
29
30
TP27
3
1
2
7
5 4 6
8
R116 47K
C102
10u35
R115
47K
C101
10u35
12
6
0.22
TP28
TP40 TP41
R104
8.2K
TP85
TP42
R105
C107
10u35
C108
10u35
TP35
R103
9.1K
TP33
TP30
R102
47K
C104
0.1
R108
R101
47K
56K
50K(C)
VR4
R126
9.1K
C106
5 4
7
TP34
6 3
1
4
2 5
8 7 9
C28 0.01
TP29
C103
0.1
TP31
C105
0.22
3
2
R122
8.2K
TP32
1
R110 47K
56K
47K
R107
7
TP46
TP38
8
3 2
1
R128
470
TP36
C29 0.01
4 5 6
TP37
TP
TP39
7 4 9 8
R11
10K
TP43
5 3 6
TP174 TP170
100
R233
TP1
TP17
TP16
TP15
TP13
TP12
TP11
TP10
TP3
TP2
TP4
TP5
TP6
TP7
TP9
TP8
TP14
TP18
TP19
TP21
TP20
TP23
TP22
TP25
TP24
TP26
R213 10K
470
R129
10K(A)
VR5
47K
R240
56K
R8
0.01
C19
56K
R7
0.22
C4 0.22
C6
TP130 TP127 TP128 TP129
TP131
TP132 TP133 TP135 TP134 TP136 TP138 TP137
TP151
TP149
TP148
TP147
TP146
TP141
TP139
TP140
TP142
R206 1K
R207 1K
TP143
TP144
2
1
3
S12 S11 S10 S9 S5 S6 S8 S7 S3 S4 S2 S1
C3 C1 C2
LOGO-LED
DGND
FAN+B
1
2
3
0.047
C202
0.047
C203
820P
C204
68K
R201
1K
R209
S17
S19
S18
S16
S13
S20
S21
S14
S15
61
62
63
64
63
64
61
62
Ach
B
ch
R238 39K R6 22K
130K
R4
C98 C99 0.01
DGND 1
FAN+B 2
3
0.01
DGND
2
FAN+B
LOGO-
1
LED
+
+
+
+
+
+
+
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