Kenwood KRF-V8010DW Service Manual page 8

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KRF-V8010D/V8010DW
1-2 Pin description
Pin No.
Pin Name
1,2
G10,11
3
None
4
CK
5
RDS. DT
6
AUDIO
7
VOL.ENC.A
8
REMOCON
9
VOL.ENC.B
10,11
None
12-14
KR0-2
15
PROTECT
16
S.DATA
17
S.BUSY
18
E2.DT
19
E2.CLK
20
SEL.ENC.A
21
SEL.ENC.B
22
MULTI.ENC.A
23
MULTI.ENC.B
24
AC3
25
AC3.SCK
26
AC3.SI
27
AS3.SO
28
Vdd
29
S. LEVEL
30
SEL.ST2
31
AC3.CS
32
CODEC.CS
33
PLL.DO
34
PLL.ST
35
PLL.SD
36
RCV.CE
37
Avss
38
RESET
39,40
8MHz
41
Vss
42
None
43
TEX
44
Vdd
45
Vfdp
46
SEL.ST1
47
PLL.DT
48
PLL.CK
49
PLL.CE
50
T.TUNE
51
A.MUTE
52
SW.MUTE
53
10dB.ATT
54
VOL.DT
55
VOL.CK
8
CIRCUIT DESCRIPTION
I/O
O
Display grids 10,11
Ic test mode port.
I
RDS clock input.
I
RDS data input.
I
Audio signal detection port. L=AUDIO.
I
Volume encoder A(clockwise) input.
I
Remote contol signal input.
I
Volume encoder B(counterclockwise) input.
O
Ic test mode port.
I
Key return 0-2.
I
Protection signal detection port. H=PROTECT.
I/O
Serial DATA signal.
I/O
Serial BUSY signal.
I/O
E2 PROM data.
I/O
E2 PROM clock.
I
Selector encoder A(clockwise) input.
I
Selector encoder B(counterclockwise) input.
I
Multi encoder A(clockwise) input.
I
Multi encoder B(counterclockwise) input.
I
AC-3 signal detection.
O
YSS248 clock output.
I
YSS248 data input.
O
YSS248 data output.
Analog power supply(+5V)
I
Signal level A/D input.
O
TC9162AF/63AF/64AF st2 output. H=latch.
O
YSS248 CS output.
O
CS4226 CS output.
I
Pll ic do signal input port.
I
Tuner stereo signal detection port. L=STEREO.
I
Tuner sd signal detection port. L=TUNED.
I
Receiver chip enable signal port. L=ENABLE.
Analog GND.
I
Microproessor reset signal.
I
Main clock generation(8MHz).
Microprocessor GND.
I
No connect
GND.
Power supply(+5V).
Power supply(-33V).
O
TC9162AF/63AF/64AF st1 output. H=latch.
O
Pll ic data signal output.
O
Pll ic clock signal output.
O
Pll ic ce signal output port.
O
Tuner mute control. L=mute on.
O
Output mute control. L=mute on.
O
Sub woofer mute control. L=mute on.
O
Volume 10dB attenuation control. H=att. on.
O
Volume ic (M62446SP) data control.
O
Volume ic (M62447SP) clock control. H=active.
Description

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