Kenwood KVT-910DVD Service Manual page 63

BD BE
1
(X25-862X-XX)
REAR FRONT
POWER AMP Lch Lch
IC50
2
R576 R577 R571
Q500
47K 47K 47K
Q524 Q525 Q522
3
D523 D522
4
CP31
1K
99
100
5.2V 1
1 OFF REQ
0V 2
2 ON REQ
3
NC
5.2V 4
4 ILL ON
5
NC
6
NC
7
NC
X301
8
12MHz
NC
5.2V
9
VDD
12MHz
10
X2
11
X1
0V 12
GND
32.77MHz
5
C300 R301
13
XT2
22P 680K
X303
32.77MHz
C301 14
XT1
5.2V 15
∗ 22P
CP30 RESET
R410 16 5V
2.2K
NC 0V
17
17 R CLK
18
19 REQ C
5.2V 19
20 B RST
20 5V
21 B CS 0V
21
B C/D
22
22 BIRQ
5.2V 23
A VDD
24
AV REF0
1.7V 25
L MUTE
D300
R300
6
100K
Q300
IC30
47K
47K
R302
100K
RST
X86-
CN1
1/4
A
7
BF BG
REAR FRONT
Rch Rch
D100
∗
R120
A
4.7K
Q112 R117
560 1W
R103
4.7K
R100
1K 1/2W
D507
R573
47K
Q523
R510
5.6K
Q501
47K
R508
47K
430
Q101
Q100
C100
0.1
25
89
D303
85
Q306
CP36
5.2V
100K
0V 0V
R330 100K
∗
5.2V
R339 100K
5V 5.2V 75 0V
∗
STTYPE 0
0V 0V
74 0V/5.0V R340 100K
0V/5.0V 5.2V TYPE2 ∗
R341 100K
73 0V/5.0V
TYPE1
∗
R331 100K
72 0V
GND
71
∗
NC
R338 2.2K
70 0V/5.0V
DIVER 70
CP40 1K
L307
69 0V/5.0V
FM +B 69
68 0V/5.0V
AM +B 68
∗
67 R342
NARROW 67
∗
1K
R346
∗
IC31
66 R343
WIDE ∗ 66
SYSTEM u-COM
65 1K
R347
NC
64
CP39 1K
AFC
63 0V/5.0V L306
NC 64
62 0V/5.0V
FM SD 62
61
NC
60
CP41 2.2K
NC
59 0V/5.0V
DSP SW
58
0V/5.0V
RELAY
∗
CP42 2.2K
57 0V
RDAT 57
56 0V
QUAL 56
5V
55
0V
NC
54
5V
NC
5V 53 0V
0V
0V TEST MODE IN
52
NC
51
NC
CP34 CP35
5V
∗
100K 2.2K
CP33 0V
R409
2.2K
CN30
1
2
BH BI
AFR
C511
∗
0.1
R119 SW IC65
3.9V
1 14 8.1V
1X VDD
4.1V
2 13 0V
AFL 1Y CON 1
3 12
Q113 2Y CON 4
4.1V
4 11 4.1V
2X 4X
8.0V 5 10
R118 CON 2 4Y
6 9 4.1V
CON 3 3Y
22K EFR
0V 7
8 4.1V
VSS
3X
EFL
D102
R582
10K
Q103 47K R583
Q526
C102
10K
3.3u50
47K
+ 22K
SEL2
Q102
Q527
22K
C101
ARR
0.068 IC66
SW
3.9V 1 14 8.1V
1X VDD
D101
4.1V 2 13 0V
ARL 1Y CON 1
3 12
2Y CON 4
NAVI R
11 4.1V
4.1V
4 4X
2X
8.0V 5 10
CON 2 4Y
6 9 4.1V
CON 3 3Y
ERR
L100
0V 7 8 4.1V
VSS 3X
4.7uH
ERL
NAVI L
R584
10K
47K R585
Q528
10K
47K
22K
Q529
22K
L302 C309
4.7uH
0.01
5V
IC32
BUS I/F 0V
1 16 5.1V
39 SCK VDD
15 5.1V
2
TEST
38 SI
5V
14
R326
0V RST 19
13
R325 47K 3 CS 20
37 SO 12 5.1V
SEL
2.2K R323
11 5.1V
A VDD
R322 47K 4
5V
22 IRQ
0V
2.2K 5 10 R327
21 C/D BUS + 10
22
X302 6
XI 9 R328
2.5V BUS - 9
22
7
XO 8.29MHz
D301
0V 8
GND
NOR
IC33
5 4
0V/5.0V 0V
85 2B GND
0V 6 3 0V/5.0V Q301 Q302
93 2A 2Y
0V/5.0V 7 2 0V
1Y 1B
5.0V 8 1 0V/5.0V
VDD 1A
D302
22K
22K
Q303
303
EEP ROM
Q304
IC34
304
0V 1 8 5.0V
A0 VCC
0V 2
A1 7 0V
Q305
0V TEST
3
6
A2
47K
SCL 96
0V
4
5
GND
SDA 95
5V 47K
0V
53
58
BJ BK
www.manualscenter.com
L507
4.7uH
Q507
C518
0.01
C523
33u10
+
Q502 Q506
C525
100u10
47K 47K
+
C533
47K 47K
0.01
H.P.F IC51
4.2V 1
1 AUX1 IN L
4.2V 2
IC55
2 AUX1 IN R
3.6V 3 28 8.2V
CMS
VCC
27 5.2V
SDA 95
4.1V 15
C592 26 5.2V
15 MUXL
0.1 SCL 96
4.2V 4 4.1V 16
25 0V
16 MUXR
AUX1 OUT L
D GND
17
C593 24
QURL
0.1 A GND C513
4.2V 5 18
AUX1 OUT R S MUTE
23 1u50
5.2V 19
C594 CREF
+ 96 SCL
0.1
4.2V 6 4.2V 5.2V 20
AUX2 IN R 95 SDA
C514 0.1V 21
C595
4.2V GND
22 0.27
0.1 4.2V 7 8.2V 22
C519
AUX2 IN L HP RR1 VCC
21 0V 0.27
4.2V 8
HPRR2 HRR
NFR AUX2 OUT R
C526
C515
20
4.2V 9 2.2 4.1V 23
HP RL1
NFL AUX2 OUT L
23 OUT RR
0.27
C520
4.2V 10
C527
0.27
HP RR OUT 19 0V
2.2 4.1V 24
4.2V 11 HP RL2 HRL
24 OUT RL
HP RL OUT C516
12 C528
18 0.27
OUT REF HP FR1 2.2 4.1V 25
C521
4.2V 13
25 OUT FR
0.27
HP FR OUT 17 0V
HP FR2 HFR C529
4.1V
2.2
16 C517 4.1V 26
26 OUT FL
HP FL1 C522
0.27 C531
4.2V 14 15 0.27
HP FL OUT HP FL2 HFL 2.2
4.1V 27
2 AC OUT R
0V
C532 4.1V 28
1 AC OUT L
2.2
C524
Q601
33u10
47K +
R610
47K
47K
R891 47K C860
23
10u16
R832
BRR
+
R833 10K 3.9K
R836 10K R837
3.9K
HRR
IC41
IC43
BGG
8.2V/0V 4.1V
8.2V
HFR
R844 10K R838
3.9K
R874 10K R886 C861
10u16
3.9K BFR
R892 47K
+
25
R893 47K C858
24 10u16
BRL
R889 10K R888
+
3.9K
R890 10K R894
3.9K
HRL
IC40
IC42
15
0V/8.2V
8.2V/0V 4.1V
8.2V BGG
IC56
SW
HFR
R895
R899 10K 3.9K C855
10u16
BFL
R898 10K R897
+
3.9K
R896 47K
16
26
BL BM
E-VOL
14 3.0V
MP OUT
13 L508
MP IN
12 0.4V R534
LEVEL
4.6V/5.6V 4.7K
C551
11 1
MPX
4.2V
10 C552
AM
9
0.015
PHONE +
8
PHONE -
4.2V
7
CDL 7
6 4.2V
CD-G 6
4.2V
5
CDR 5
C549
4.2V 10u16
4
R R
+
5L C548
3 4.2V 10u16
L L
+
C535
4.2V
2 1u50
CREF
+
4.2V
1
VREF
D524
8.2V
IC59
R520
6.8K
7
6
IC57
BUFF
4.1V 1 8 8.2V
VDD
7 4.1V
4.1V
2
4.1V 3 6 4.1V
0V 4 5 4.1V
GND
IC58
4.1V 1 8 8.2V
VDD
7 4.1V
4.1V 2
BUFF
4.1V
4.1V 3 6
0V 4 5 4.1V
GND
R530
R525 47K
47K
Q513
D513
R531 47K
100
47K
R533
100
D514
Q512 Q512
R545
8.2V
4.7K
Q511