Kenwood KRF-V4070D Service Manual page 9

A B
(X08-3230-10)
A601
1
CP601
10K
C610
0.01
C611
1000P
18
CS
2
R625
3.3K
19
SCDI0
20
ABOOT
R623 10K
21
EXTMEM
R799
22 22
C612
S DATA N1
0.01 R806
23
VD3
1 1/4W 24
D GND3
IC601
R800
22 25
DIGITAL
S CLK N1
AUDIO
R801
DECODER
22
26
LR CLK N1
R802
22
27
CMP DAT
3
R803
22 28
CMP CLK
R804
22 C617 C618
+2.5V
C616
4 47u25
+
+3.3V
C675 22P
C607 22P
C602 C603
1000P 22P
5
R602 C604
IC603
220 27P
OSCILLATOR
VR-716
J901
ONLY
6
C
VIDEO2
PLAY IN Y3
Y
C
DVD C5
PLAY IN
Y5
Y
C
C7
MONITOR
OUT
Y7
Y
7
C D
COAXIAL
OPTICAL INPUT
INPUT
CD/DVD
VIDEO2 DVD
J601
C635 C634
22P 22P
C657
R644 R635 C636
100u10
75 75 4700P
+
C637
4700P
+5V
D605
+2.5V
CP602
10K
2
R613
R641
220
6
A1 6
4.7
5 R612 C670
1/4W
RD
10u50
3.3K
+
4 R611
WR
3.3K
3
AU DATA3
R689 22
2
D GND1 44
R679 22
42
1
R678 22
VD1 +2.5V
43
R642 22
22
44 R793 22
R796 22
M CLK 44
41
R794 22
43
S CLK 43
R795 22
42
LR CLK 42
R692 22 40
41
AU DATA0 41
39
40 R637 22
AU DATA1 40
19
+5V
14
R638 22 20
0.01 0.01 39
13
+2.5V
R634
470
36
22
R680
470
18
2
R809
+3.3V
1
R608
13
220
R605
10K R609 C605
100K 0.01
IC604
6
DIGITAL
DETECT
7
36
14
Q601
S VIDEO
C920
Y
0.01 IC902
C
IC901
C919
8
0.01 GND
1 8 1
C915
IN1 GND IN1
470u16
C916 R908 7
2 7 2
OUT
SW1 OUT SW1
+
0.01 75 C912
C910 C918 6
3 6
VCC +11.5V
IN2 VCC +11.5V 47u25 3
IN2
0.01 100P C913
4 5 C909 +
SW2 IN3 4 5 47u25
SW2 IN3
0.01
+
+11.5V
E F
R693
100
R694
100
R640
4.7
1/4W
1
XTO
33
2
R IN
XTI
32
3 L IN
D VDD
31
R OUT1 31
30
L OUT1 30
4 IC602
29
D VSS
R OUT2 29
CODEC 28
L OUT2 28
5
(ADC&DAC)
27
T VDD
R OUT3 27
6
26
TX
L OUT3 26
7
25
MCKO C621
DZF1
2.2u50
8 24
LRCK V COM
+
23
9
VREF H +5V
BICK
10
SDTO
11
SDTI 1
R797
22
R798
22
+5V +5V
14
12
10
8
IC605
LEVEL
SHIFTER
1
IC606
LEVEL
SHIFTER
13
11
9
+5V
+2.5V +2.5V
+3.3V +3.3V
+5V +5V
R921 CN901
2.2
1 VID. D GND
C908
C907 100P
X09-A/9-
R907 100P 2 CTLB WH120
75 R911 4.7K
Q902 3 V.MUTE
3/5
C917 R912 200
R917
4 CTLA
10K
100P
5 +12V
AE-5
6
Q901
D902 D901 D900
G H
IC601 : CS493263-CLG or D601,608,613,614
CS493263-CLR
D603 IC602 : AK4586 D602,605
IC603 : TC7WU04FU
IC604 : TC7WH123FU
C740
10u50 R736 IC605 : TC74HCT7007AF D603
33
IC606 : TC74HC07AF
+
10K
IC609 : XC62EP2502MR
C739
10u50 R735 IC611 : BA033LBSG D604
32
IC612 : BA05T
+
10K
IC701-703,707 D606,607
: NJM4565MD
IC705 : NJU7311AM D609
D602
IC901,902 : MM1228XF D610
D900-902
C703 FILTER
2200P
FL
IC701 (1/2)
C701 R701 R705
R741
10u50 2.2K 2.2K 3
30 1 220
+ 2
8
C700
47P
+12V
IC701
(2/2)
R742
6
C702 R702 R706
7 220
10u50 2.2K 2.2K 5
31
+ 4
C704
12V
2200P
FR
C713
820P
SL
IC702 (1/2)
C711 R711 R715
R743
10u50 3.3K 2.2K 3
28 1 220
+ 2
8
+12V
IC702
(2/2)
R744
6
C712 R712 R716
7 220
10u50 3.3K 2.2K 5
29
+ 4
12V
C714
820P
SR
C723
2200P
CENTER
IC703 (1/2)
C721 R721 R725
R745
10u50 2.2K 2.2K 3
26 1 1K
+
2
8
C719
47P
+12V
IC703
(2/2)
R746
6
C722 R722 R726
7 100
10u50 15K 18K 5
27
+ 4
12V
C724
8200P
SW
D604
+2.5V
IC609
1 5
VSS CE
2
C656 R812 R664 Q606
V IN
47u25 1 3 4 560
V OUT EXT
+
1/4W 1/4W
+2.5V AVR
C654 R666
10u50 18 2W
+9.9V
+
D606
IC611
C661
0.01 4 3
C CTL
2
R670
GND
D607
4.7
5 1
+3.3V OUT VCC
1/4W
C665
33P
+3.3V AVR
+5V
IC612
AVR
+5V OUT IN +B
GND
I J
Q601,901,902
: MA111 : DTC124EUA or
: 1SS301 or UN5212
DAN202U or Q606 : 2SB1375
MA142WK Q608 : 2SC4081(R,S) or
: 1SS300 or 2SD1819A(Q,R)
DAP202U or Q609 : 2SA1576A(R,S) or
MA142WA 2SB1218A(Q,R)
: UDZ3.9B or
HZU3.9(B2)
: UDZ5.6B or
DIGITAL LINE
HZU5.6(B2)
SIGNAL LINE
: D2SBA20F03
GND LINE
: UDZ5.1B or
B LINE
+B
HZU5.1(B2)
: 1SR154-400 B B LINE
+12V
12V
CONFIGURATION
IC705
1 30
VSS VDD
2 29
FL FR
R751 3 28
LS RS
4.7K
4 27
LS IN2 RS IN2
5 26
6 25
7 24
8 23
9 22
10 21
11 20
12 19
SW
13 18
C744
N.C. N.C.
100P
14 17
ST DATA
15 16
GND CK
+12V
IC707
IC707
R747
SW
(1/2)
(2/2)
100
MIX
R756 180
14
CP603
180
11
8
9
1
19
CP604
180
10
44
20
13
12
R685
+9.9V
1
1/4W
R673
5.1V D608
47K
Q609 R674
4.7K
Q608
0V +9.9V