Kenwood KRF-V7070D, Service Manual

Page: 15 / 32

BR BI BK BM BO BQ BJ BL BN BP
IR REMOCON
D963
D961
D753
F
.AUX
u-COM
D802 D804
D805
D806
D801 D803
WH89 WH88
∗
WH86
X08-CN4
1/4
X08-CN5
1/4
AD KEY GET 2 AD KEY GET 1
CONTROL
S713 S706 S705
D962
D964
MD/TAPE
S707 S708
VIDEO3
S715
DIMMER
VIDEO1 VIDEO2
PHONO
S703
TUNER
S704
STEREO
ACTIVE EQ
S711
DVD/6CH
S701 S702
CD/DVD
LOUNDNESS
S709
THX or
S714
S761 S762
INPUT MODE
DSP
S712
EQ
S710
SPEAKER
MODE
LISTEN MULTI
DTS
DOLBY DIGIT
AL
DSP
SPEAKER EQ
ACTIVE
Q778
CONT.
LED
Q777
EQ
D754
TUNER
CSII
∗
D755
∗ D741
∗
D742
∗
D743
∗
D744
∗
D745
S720 S721
S717
D776
FIRST-OFF2
B
D831
VFD DISPLAY
CONT.DRIVER
MEMORY
RDS DEMODULATOR
AD KEY GET 4
A791
UP
S724 S725
DOWN
S722 S723
AUTO
A
D841
D843 D844
RESET
IC
OFF1
FIRST
BUFFER
Q776
GRID
F AUX
S716
MUTE
SETUP BAND
S718
SOUND
S719
TONE
AD KEY GET 3
∗
WH87
X25-A/2-CN202
3/4
∗
R868
∗
R869
∗
R870
R866 1K
∗
R867
R864 100
R865 100
X701
8.388
R863 100
R862 100
R861 100
R859 100
R860 100
MHz
R995 100
R993 100
R994 100
LISTEN ENC
A
LISTEN ENC B MODEL
TYPE
0
MODEL
TYPE
1
ST
ANDBY
LED
+5V
85
R999
R753 470
100K
R951 100K
C704 1000P
R952 100K
C703 1000P
82 81
79
77
78
R922 100
R895 100
74
R979 100
R921 100
R978 100
R980 100 R982 100 R983 100
79
PROT2 /RDS DIN A
MUTE
ChSP
ACE
∗
R902 100
76 77 78
LIMITER
DSP CS
74
75
PROT1 POWER RL
Y
LED DA
T
A
LED CLK F
. AUX
LED
TUNER LED
80
81
82 83 84
14
R975 100K R971 100K R974 100K R973 100K R972 100K
92
84
88
86
87
91
90 89
R966 100K R965 100K
R996 1K
98 99
13
DA
VSS
R984 100 R985 100 R986 100 R987 100 R988 100 R989 100 ∗ W950 ∗
W951
CS II LED MUL
TI ENC
A
MUL
TI ENC B
86 87 88 89 90
VOL
ENC
A
VOL
ENC B
92
91
93 94 95
∗
R100
∗
R121 100 R976 1K
1K
+5V
T-DEST
20dB 6dB A
T
T
DA
VDD
NC
96 97
NC
98 99
100
10u 50
C851 +
1
2
VREF-
30
R804 100K
19
STEREO
R927 100
71
R924 100
R923 100
72
73
R926 100
R925 100
69
70
R929 100
R928 100
67
68
R931 100
R930 100
65
66
69
VOL SEL DATA
VOL SEL CLK
TAP RLY
72
73
SB SW SELECT
VOL SEL ST
70
71
67
SURR RLY
SPB RLY
68
SPA RLY
65
66
C RLY
R935 100
R933 100
R932 100
64
63
R934 100
R937 100
R936 100
R938 100
R939 100
61
SB PREMUTE
SURR MUTE
63
64
PLL DIN
PLL CE
62
PLL CLK
PLL DO
59
60
T MUTE
58
SD
57
AD KEY GET4
6
AD KEY GET1
S-LEVEL
4
DET2
DET1
3
5
R857
100
AD KEY GET3
AD KEY GET2
7
8
14
VREF+
11
VDD
9
10
+5V
VSS
12
OSC2
OSC1
13
16
15
X1
X0
FL CS
17
18
MMOD
FL DIN
43
DIR CDT
O
100
R890 R893
R943 100
R992 100K R991 100K
55
R940 100
R941 100
R942 100
53
54
R945 100
R944 100
52
51
DSP
MISOO
DSP
MOSIO
53
CV MUTE
56
V CTR3
SC MUTE
55
54
49
51
SEL
DA
T
A
V CTR2
52
V CTR1
50
SEL
CLK
SEL
ST
DSP
SCKO
AK CLK
48 47 46 45 44 43
R886 100 R887 100
R907 100K
R888 100 R889 100 R891 100 R892 100
50 75
34
49 48 47 46 45 44
100 100
R899
30
DSP
RESET
CODEC PDN CODEC OVF
NC
AK CDTI
AK CS
DIR PDN
40 42 41 38 37 39
NC
S DA
T
A
S BUSY
RESET
CE1
36 35 34 31 33 32
REMOCON 0
REMOCON 1
DSP
INTREQ
CE2/RDS CLK
FL CLK
FL RESET
21
20
22
IR SW
RF CS
23
RF DATA
RF CLK
DIR ERF
27 29 28 26
24
25
R883 100
R998 100K
R894 100 R896 100 R897 100 R898 100
R908 100K R910 100K
R900 100
R909 100K
37 42 38 39 40
6
100K R805
34 36 35
5
100K
∗
C909 0.01
C907 0.01
R967 100K R91
1 100K
C908 0.01
R903 100
R904
100
R912
100K
∗
C105 100P
R913
28 29
4
29
∗
R906
10K
R803 100K
50 28 29
35
R802
330
R801
330
+5V
75 49 48 47 46 45 44 43 42 40
3 1 2
3 1 2
SEL
DA
T
A
DIR ERF DSP
INTREQ
12 13 8 9 10 11 4 5 6 7
12 11 8 10 9 5 4 6 7 13
DSP
CS
AK CCLK AK CDTI SEL
CLK
SEL
ST
DSP
SCKO
DSP
MISOO
DSP
MOSIO
DIR CDT
O
AK CS
+B
5
100K R806
36 37 39 38
∗
R836
5
6
100
∗
R914
10K
100
31
33
R901
R905
1K
10 6 7 8 9 1 2 3 4 5
6 7 2 1 3 4 5 10 9 8
F
AST
OFF2
S BUSY CHSP
ACE
DIR PDN S DA
T
A
CODEC PDN CODEC OVF DSP
RESET
MVDD MGND
AM32 AM29 AM26 AM28 AM27 AM30
AM31
AM23 AM22
AM21
AM25 AM24 AM18 AM17 AM19 AM20
+5V
+5V
R968 100K
2.4K
R707
7.5K
R705
620
R708
2.4K
R715
4.7K
R706
7.5K
R713
+5V
R851 1
C701 220P
R970 15K
R969 100K
∗
R977
18K
R703
43K
R701
12K 18K
R704 R711
27K 43K
R709 R702
6
90
7
4.7K
R714
29.2V
R963 100K
C762 0.01 C761 0.01
R964 100K
89 88 87
R962 100K
C763 0.01
2
R961 100K
C764 0.01
2
12K
R712
R762 10K R761 10K
27K
R710
+5V
R763 10K
3
1
R764 10K
3
1
+5V
+5V
84 86
Q777,778
81
82
31
R754
470
R755
470
R742 R741
470
R743
470 470
R745
470
R744
470
33
R721 R720 R717
R779
1K
53
29
30K
R782
XO VREF
X81
1
4.332
MHz
C813
R813 47K
+5V
R853 15K
C853 220P
6 7
9 8
R858
100K
R854 15K
R852 15K
C854 220P
C852 220P
+5V
+5V
2
1
0.01
C831
10K
R831
3
1K
C832 2.2u 50
C833 0.01
R833 3.3K
VDD
VSS
+
OUT
1/4W
+5V
C857 0.01
R855 15K
R856 1
C855 220P
C856 0.01
29
19
18
C858 100u10
+
R832 1K
R834
RCLK
30
27P
C814 100P
15
NC
16
QUAL
2
1
RDATA
+
9
AM15
AM16
AM12
AM13
AM14
+5V
AM9
AM10
AM11
15
20 18 17 19
16
AM16
AM15
AM18 AM17 AM19
24
21
23 22 27 28 25 26
AM24 AM21 AM23 AM22 AM20 AN28 AN27 AN26 AM25
12
13
14
AM13
AM14
AM12
10
11
AM10
AM11
AM9
AM6
AM7
AM8
AM3
AM4
AM5
AM1
AM2
3
6
7
AM7
AM6
AM8
8
4
5
AM5
AM3
AM4
2
1
AM2
AM1
DI
RES
CL CE
64
18
20
62 63 61
VDD
OSCO
OSCI
VFL
G1
VSS
TEST
57 60 58 59 54 55 56
C818 270P
C819 2.2u50
C815 47u25
22
23
20
21
24
25
∗
W804
∗
W803
∗
W802 ∗ W801
7 10
C816
VSS2
VDD2
12
C811 0.01
C812 27P
13
XI
14
11
T1
5
4
3
VDD1
MUX
6
VSS3
VSS1
560P
T2
9
+
8
CMP
+5V
620
+
C791 47u6.3
1
470K R885
100K
∗
R884
GND3 GND1
+5V
100K
∗
R881
VCC
OUT
GND2
3
2
R791
47
2.4K
R724
8
9
7.5K
R722
18K
+5V
0.01
C817
R814 1
100u10
1000P
100P C778 C777
21
19
R780 10
1/4W
R120
C780
27P
+5V
29.2V
C702
C779
1/4W
+
180P C705
+
100u50
33k
620
R725
+8V
4.7K
R723
12K
R776 10
AM4
AM1 AM3 AM2 AM8 AM6
AM7
AM5 AM1
1
AM12
AM9
AM10
+5.4V
40
R845
34
32
31
30
AM32 AN29 AM30 AM31
AM34
33
AM33
AM34
AM33
37
AA2
36
AM35
35
AA1
AA5/G15
AA4/G16
39
AA3
38
+5V
AA2
AM35
AA1
+5V
G15
AA3
G16
10K
1K
R841
10K
R842
46
43
AA7/G13
AA8/GF12
AA6/G14
42
41
G9
G10
45
G11
44
G13
G12
G14
1K
R846
G9
G10
G11
G6 G4 G3 G5 G2
G7
47
48
G8
49 50 51 52
G7
G8
R777 220 R778 220
G1
G6 G5 G2 G3 G4
10K
R781
AM30
+B
+8V
AM21
AM17 AM13 AM14 AM15 AM16 AM20 AM19 AM18 AM22 AM23 AM24 AM25 AM26 AM29 AM28 AM27 AM34 AM33 AM32
AM31
AM35
53
2.4K
R716
100
∗
R882
+5V
+B
43K
R718
+5V
+8V
7 2 3 4 5 1 6
3 2 1 7 5 4 6
22
23 24 25
REMOCON-0 X08 MVDD GND RF CLK RF DA
T
A
IR SW RF CS
27K
+B
R719
P4
66
NP F1 F1
68 67 69
P2 NP P1 P3
63 64 65 62
P8 P5 P6 P7
60 59 58
61
P1
1
P10 P12
55 54
P9
57 56
P30 P21 P17 P16 P13 P14 P15
49 52
51
50
P18 P19 P20
48 47 45 46 40
P24 P22 P23 P25
41
44 43 42
P27 P28 P29 P26
36 38 37 39
P34 P33
32
P31
35 34 33
P32 P35
31
+5.4V +5.4V
+5.4V
+5.4V
+5.4V
+5.4V +5.4V
+5V
+5V
29.2V 29.2V
29.2V
29.2V
29.2V 29.2V
+5V
∗
IC90
(X14-7630-10) (A/11)
IC83
IC78
IC81
ED78
12G 13G 14G 15G 16G 1G
A - 5 A - 4
AT-5
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299