Audio Amp - Kenwood XXV-05V Service Manual

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BN
QQ
3 7 63 1515 0
5
16
17
18
19
20
21
22
23
24
25
26
27
11
IC205
33
Q200
RESET
BUFFER
IC209
0V
1
A1
0V
2
Y3
3
A2
4
0V
GND
Q217
TE
IC204
L 13942296513
47K
0V
1
NC
47K
213
2
SUB
C213 0.01
3
GND

AUDIO AMP

D200
C217
R255
1
1K
7.9V
IC208
0V
1
8
AOUT
V+
0V
2
7
0V
AIN-
BOUT
0V
3
6
AIN+
BIN-
4
5
0V
V-
BIN+
7.2V
Q215
Q218
10K
10K
2.2K
2.2K
212
Q216
22K
22K
22K
22K
27
Q300
22K
www
22K
DSI
R300
D301
680
0
S200
ON
OFF
.
S S
S200
BO
28
29
30
31
32
33
34
TP200
PAL
C207
0.01
C210
0.01
R269
47K
8
5.1V
VCC
7
5.1V
Y1
6
A3
5
Y2
5
5.1V
VCC
4
5.1V
OUT
40
49
R273
10K
Q221
22K
22K
D211
9
92
R234
R235
10K
10K
7
x
ao
R237
R238
y
10K
10K
R239
R240
10K
10K
i
BP
X35- A/3-
A
2/4
CN301
8
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
4
1
CLAMP
CONT.
3.4V
C404
IC400
0.1
8
VCC
0V
1
A
0.3V
2
7
B
RX/CX
3
CLR
0V
4
6
GND
CX
5
0.2V
Q
41
R403
VR400
R407
30K
10K
43K
TP406
C402
0.01
R404
VR401
R408
10K
30K
2.2K
C403
1
NC1
0.01
TP407
2
SSEP
3
3.1V
CAMP
3.6V
4
4
COUT
R405
TP401
12K
5
5
CONT
Q Q
C408
6
B
BIN1
3
6 7
1 3
1
TP403
0V
7
GND1
C405
TP402
1
8
G
GIN1
C409
9
R
RIN1
1
TP404
10
VCC1
11
NC11
12
NC12
IC207
2.5V
1
5
5.0V
B
VCC
5.1V
2
A
0V
3
4
3.7V
GND
Y
IC207
MONITOR CONTROL
R345
CN203
1K
TP304
TP318
PANEL
22
DET.
TP320
21
WS5V
20
WS5V
TP321
19
SW3.3V
18
SW3.3V
R346 1K
TP322
17
132
EJECT
R347 1K
TP323
134
16
SRC
R341
15
LED R
TP324
10
LR
14
LED R
R342
13
LED G
TP325
10
LG
12
LED G
R343
11
LED B
TP326
10
10
LED B
D212
D225
TP327
9
LCD DATA
TP328
8
LCD CS
TP329
7
LCD CLK
u163
TP330
6
REMO
TP331
R344
5
RESET
1K
R348
.
100
TP333
139
4
KEY2
R349
TP311
13
3
LED SW
100
2
GND
1
GND
BQ
2 9
9 4
2 8
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
Q400
R419
200
13.5V
3.2V
0V
TP400
TP410
TP411
TP409
2.9V
NC36
BOUT
2.1V
0V 1.7V
2.0V
2.2V
VCC2
2.2V
2.2V
GDET
GOUT
GND3
1.9V
IC401
RDET
2.1V
1 5
0 5
8
2 9
9 4
ADJUSTMENT
ROUT
GND2
GAM2
2.0V
GAM0
1.9V
NC25
SUB PCB (X14- ) (B/3)
CN300
PANEL
1
DET.
WS5V
2
C353
WS5V
3
100P
SW3.3V
4
SW3.3V
5
EJECT
6
SRC
7
LED R
8
LED R
9
LED G
10
LED G
11
LED B
12
LED B
13
14
LCD DATA
m
LCD CS
15
LCD CLK
16
co
REMO
17
R350 1K
RESET
18
KEY2
19
LED SW
20
21
GND
GND
22
X14-966x-xx (14/16)
BR
XXV-05V
9 9
67
68
69
70
71
72
73
74
75
76
77
78
79
TP276
D215
D217
TP408
IC402
VIN
VREF
1.3V
GND
0V
TP412
TP413
36
35
2.5V
R434 100
VB
34
C425 0.068
C422
33
2.9V
0.01
R426 100
32
2.5V
VG
31
0V
C426 0.068
30
3.0V
2 8
R427 100
9 9
29
2.5V
VR
28
0V
C427 0.01
27
2.1V
TP416
R424
R435
8.2K
VR407
2.2K
30K
C428 0.01
26
1.7V
25
R425
R436
8.2K
VR408
2.2K
30K
J30
R301 1K
P
1
D
2
W
3
S
R302 1K
4
E
R303 1K
5
S
6
L
7
L
8
L
R305 100
9
L
W300
10
R
R307 100
11
L
R308 100
12
R
R306 100
13
L
R310 100
14
K
R304 100
15
L
16
G
29

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