Kenwood VR-707, Service Manual

Page: 11 / 32

P Q S R T
2
1
3
5
7
4
6
R509 220
R510 220
X1
12.288MHz
50kHz
100kHz
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DVDD
DVSS
TVDD
TX
XTI
XTO
PDN
R
AVDD
AVSS
RX1
RX2
RX3
RX4
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CDTO
CDTI
CCLK
CSN
MCKO1
MCKO2
DAUX
BICK
SDTO
LRCK
ERF
FS96
P/S
AUTO
1
2
3
NC
GND
5
4
VCC
VCC
GND
VOUT
1
2
3
BUSY
2 DATA
3 GND
8
9
10
11
12
13
14
VCC
7
6
5
4
3
2
1
GND
S BUSY
MGND
MVDD
CH. SPACE
F2 SUPPLY
CODEC PDN
CODEC OVF
DSP RESET
S DATA
DIR PDN
6
9
10
7
8
3
4
5
1
2
DSP MOSI
AK CCLK
DIR CDOUT
AK CDIN
DSP CS
AK CS
11
12
13
8
9
10
DIR ERF
DSP INTREQ
SEL DATA
SEL CLK
SEL ST
DDSP SCK
DSP MISO
5
6
7
2
3
4
1
22P
C3
22P
C4
82 R7
820
R8
4700P
C1
4700P
C2
100
R542
100
R543
0.1
C11
1000P
C12
18K
R1
1
R17 22
R18 22
R19 22
C17 33P C18 22P
220
R20
1000P
C16
220
R10
1000P
C10
27P
C9
470
R1
47u25
C5
4.7
R6
1/4W
220P
C800
220P C801
0.01
C802
100K
R514
0.1
C502
0.1
C501
0.1
C500 R507 100K
R508 100K
220
R51
1
47P
C514
R505 100K
R506 100K
R504 100K
0.1
C601
180
CP600
180
CP601
4 5
6
7
8
VCC
3
2
GND
1
27P
C8
1M R9 1M
R22
33P C15
22
R21
33P C38
37 38 39
180
CP604
180
CP603
180
CP602
4
9
5
10
17
16
14
12
8
26
25
7
3
2
6
10
5
8
2
5
2
9
12
6
5
10
26
25
7
C600
36 4
8 7
GND
6
5
9
10
38
14 1
3
2
VCC
11
12
13
0.1
39
37
4
8
35
10
83
7
A14 A15 A13 A12
D0
A1
1
11
6
C
E
A1
1
A12 A13 A14 A15
4 3 2
1
7 6 5
I/O1
A0
A1
122
A2
38 39 40 41 42 43 44
A2
A1
A0
I/O16
BLE
BHE
DE
D15
C513
0.1
D2
O2
A16
A16
D6
D1
D2 D3 D4 D5
A9
A10 121
D7
A7 A8
I/O7 VSS1 VCC1
11
10
9
15 14 13 12
I/O4 I/O3 I/O2 I/O6 I/O5 NC22 A7 A8 A9 A10 WE
19 18 17 16 22
21
20
I/O8
A9
A1
1
A17 A14
A8
A13 A18
3
A1
1
A9
1
2
A18 VCC VPP A8 A13 A14 A17
4 5 6 7 8 9
10
A3 A4 A5 A6
D10
D1
1
D8 D9
D12 D13
I/O10
30 31 32 33 34 35 36
VSS2 I/O13 I/O14 I/O15
I/O1
1
I/O12
VCC2
D14
23 24 25 26 27 28 29
A4 A3
NC28
I/O9
NC23
A6 A5
D3 D4
11
3
D7 D6
A10 122
D5
30 32 31
OE
A10
26 25 24 23 29 28 27
O5
CE
O7 O6 O4 O3
GND
A6
A15 A12
A7 A5 A4
A6 A5 A4 A15 A12 A7
14
11
12 13 15 16
A2 A3
A1
D0
D1
A0
19 18 17 22 21 20
A1
O1
O0 A0 A2 A3
64
46
56
60
+3.3V
+3.3V
+3.3V
+2.5V +3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+2.5V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
600uH
L1
L2
600uH
C20 0.01
+ C515
470u10 10
R515
C512
0.1
+5V
+B
+B
+B
+
+B
+B
+5V
+5V
1/2W
A1
∗
S800
D800 D801
DVD
VIDEO2
COAXIAL IN
J1
OPTICAL IN
CD/DVD
J800
SYSTEM
CONTROL
CN5
CN4
D1
CHANNEL
SWITCH
SPACE
INVERTER FOR
OSCILLATOR
96kHz 24Bit DIR
96KHz
SWITCHING
MASTER
INVERTER
CLOCK SIGNAL
LEVEL SHIFTER
(3.3V
LEVEL SHIFTER
SRAM
EPROM
DIR CONT.
DATA OUT
5/5
WH105
X14-A/2-
X14-A/2-
WH106
5/5
DIR CONT.
DATA IN
5.0V)
(5.0V 3.3V)
IC2
IC5
IC61
IC6
IC60
IC52
IC51
(X08-3130-14)
4.9V
5.0V
3.3V
3.3V
5.0V
3.3V
8.6V
3.3V
2.5V
3.3V
BI-7
BI-6