Kenwood KRF-V4550D Service Manual page 10

AE AF
(X08-3010-10) (A/3)
J2 Lch
R251
15K
Lch 1 8
1
R252
15K
Rch 2
23
LSch
R255
10K
LSch 3 5
DVD
6ch
INPUT
R256
10K
RSch 4
26
R259
10K
Cch 5
2
C ch
R260
10K
SWch 6 29
2
S.W ch
3.3V
3
D3
J1
C32
L31
4700P
DVD 1 11
COAX. INPUT
C34
L32
4700P
VIDEO 2 12
A1
R34
3 4.7 5.0V
VDD +5V
1/4W
OPT. INPUT
2
CD/DVD GND
4
1 R33 470
OUT 13
J61
1
D51
C604
D52
47u25
VIDEO2
2 2
IN
+
C511
R612
0.01
68
VIDEO1
3 3
OUT
5
R610
MONITOR 68
4
4
OUT 5V
C608
47u25
DVD
5 5
IN +
IC61
VIDEO
C602
INPUT
47u25
VIDEO1
6 6
SELECTOR
IN +
6
to TRANS
2/4
C
X07-A/3 5V
-CN3
2/4
D
7
AG AH
+3.3V
+5V
C59 0.01
+3.3V
3.3V
D6
C58
0.01
R66
INVERTER C46
100K
3.3V 22P
DIGITAL
SIGNAL
IC
IC6
C43 C41
1000P 22P
Q1
RESET
IC4 C42
R43 27P
220
+2.5V +2.5V
2.5V
R404
470
C510
0.01
28
40 SCLKN2
AUDATA1 27
41 SDATAN2
AUDATA0 26
42 LRCLKN1
LRCLK 25
43 SCLKN1
SCLK 24
44 DGND3
IC51
MCLK
1
+2.5V VD1 DSP
23
VD3
22
SDATAN1
2
DGND1 21
3 EXTMEM
R527
XMT958
20
10K 4
INTREQ
EMWR
19
SCDOUT
R505 5
EMOE
10K
6
18
SCDIN
CS
2.5V C502
0.1
+2.5V +2.5V
+5V AVR
5.1V
R633
Q61 100 12.0V
+5V
R631 C450
680 0.01
4.45K
6dB 75K R632
AMP DRIVER 680
R634
Q62 100
5.3dB 75
-5.1V
-5V AVR
5.3dB 75
6dB 75K
AMP DRIVER
4.45K
5
5V
4
3
AI AJ
+3.3V +3.3V +3.3V
+5V +5V +5V
DIGITAL
C900
AUDIO
330u6.3
RECEIVER
+
R54
9.1K C57
R68
5.0V 1 3.3V
220
IC5
C54
22P
C56
1000P
R59
100
C23
1000P
1
SDOS
2
I2C
3
SMUTE
4
BICK
5
IC2
LRCK
6
41 SDTI1
CODEC
7
(ADC & DAC)
40 SDTI2
8
39 SDTI3
R21
+2.5V 9
27 SDTO
220 10
R520 2.5V DAUX
11
DFS
10K
C505 R518
1000P 4.7K
R516
10K
4.9V
3.3V
+2.5V
+12V
12V
-11.9V
AK AL
+3.3V
+5V
5.0V
+5V +5V
5.0V
+5V +5V
33
DZF2
32
RIN+ 32
31
RIN-
30
LIN+ 30
29
LIN-
28
ROUT1 28
27
LOUT1 27
26
ROUT2 26
25
LOUT2 25
24
ROUT3 24
23
LOUT3 23
IC11,21,31
L.P.F
R20
4.7
+5V
1/4W
+3.3V
+2.5V
12V
+2.5V
+5V
+3.3V
+12V
AM AN
R121 10K
LS
R217
6
5.6K
4
-11.9V
IC12
CONFIG.2
12.0V
+12V
R218 5.6K
CONFIGURATION
SELECTOR
2
+12V
12V
C3
12.0V
12.0V 0.01 -11.9V
C109
0.01
C110
100P
R1 R2
5.6K 5.6K
Lch 1 7 Rch
3 2 6 5
4 8
4
8
3 2
IC1 IC1 IC11 6 5 IC11
1 7
(1/2) (2/2) (1/2) (2/2)
R3 R111 R109 R110 R112
100 4.7K 10K 10K 4.7K
C105 C106
1800P 1800P
R103 R104
BUFFER
100K 100K
2.5V 2.5V
+5V
+3.3V
3.3V
20
18
R426 220
R427 220
IC41
IC41
LEVEL
5.0V
SHIFTER
(5V-3.3V)
C403 0.01
R406 470