Audio Amp - Kenwood KVT-915DVD Service Manual

BN
QQ
3 7 63 1515 0
14 15 16 17 18 19 21 24
20 22 23 25 26
11
IC205
33
Q200
IC209
0V 1
0V 2
3
4
0V
Q217
TE IC204
L 13942296513
47K
0V
1
47K
D213 2
C213 0.01 3

AUDIO AMP

D200
C217 R255
1 1K
7.9V
IC208
K 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
Q212 Q216
22K 22K
22K 22K
LB
127
Q300
22K
www
22K
DSI
R300
D301
680
.
∗
S200
BO
27 31 34
28 29 30 32 33
TP200
C207
0.01
C210
0.01
RESET
BUFFER
R269
47K
8 5.1V
A1 VCC
7 5.1V
Y3 Y1
6
A2 A3
5
GND Y2
5 5.1V
NC VCC
SUB
4 5.1V
GND OUT
40
49
R273
10K
Q221
22K
22K
∗ ∗
R234 R235
10K 10K
∗ x ∗ ao
R237 R238 y
10K 10K
∗ ∗
R239 R240
10K 10K
i
BP
X35- A/3-
A 2/4
CN301
8
37 40 41 42 43 44 45 46 47 48
35 36 38 39
4 1
PAL
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
C408
Q Q 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 3.7V
3 4
GND Y
IC207
MONITOR CONTROL
R345
CN203
1K
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
14
LR LED R
R342
13 LED G
TP325
10
12 LED G
LG
R343
11 LED B
TP326 10
10 LED B
LB
D211 D212 D225
TP327
9 9 LCD DATA
TP328
92 8 LCD CS
TP329
7 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
KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
2 9 9 4 2 8
49 51 54 55 57 61 64
50 52 53 56 58 59 60 62 63 65
R419
200
3.2V
0V
TP400
TP410
TP409
2.9V
NC36
2.1V BOUT
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
5
SW3.3V
6
EJECT
SRC 7
LED R 8
LED R 9
LED G 10
LED G 11
LED B 12
LED B 13
LCD DATA 14
m
LCD CS 15
LCD CLK 16
co
17
REMO
R350 1K
18
RESET
KEY2 19
LED SW 20
GND 21
GND 22
X14-947x-xx (14/16)
BR
9 9
67 70 71 72 73 74 75 76 77
66 68 69
TP276
D215 D217
Q400
TP408
IC402
IN OUT
13.5V 1.3V
GND
0V
TP411
TP412
TP413
36
R434 100
35 2.5V
VB
34
C425 0.068 C422
33 2.9V
0.01
R426 100
32 2.5V
VG
0V
31
3.0V C426 0.068
30
2.5V R427 100
2 8 29 9 9
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
R301 1K
3
R302 1K
R303 1K
5
7
R305 100
9
W300
R307 100
1
R308 100
R306 100
1
R310 100
R304 100
1
53