Kenwood DV-203 Service Manual page 14

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3 7 63 1515 0
2-2 Pin description
Pin No. Pin Name
1 /RES
2,3 X/ETAL
4,5 MD1/0
6 /NMI
7 /STBY
8 VCC
9 DSPCLK
10 STATUS
11 CMD
12 VSS
13,14 –
15 /AS
16 /WR
17 /RD
18 REMOCON
19 DQSY
/2 CHANNEL
20
/CD
BIT 0
21
SYNCHRO BUSY
22 SDATA
PANEL OPEN
23 IFS
CK
PANEL CLOSE
24 IFD
TE
L 13942296513
DATA
MUTE
25
IFL
FS1
26
MIC-MUTE
27 POWER
BIT 1
28
ECHO-MUTE
29 AVCC
PANEL CLOSE SW
30
MIC REMOTE 1
PANEL OPEN SW
31
MIC REMOTE 0
32,33 KEY0,1
34 KEY2
35 VERSION
36,37 –
38 AVSS
39 LED 96kHz
LED DTS/MPEG
40
2CH DOWN MIX
41 LED DVD
LED VIRTUAL SURR
42
LED STANDBY
43 BB-A1
BB-A0
44
www STB
BB-IW1
45
SHUTTLE SW1
BB-IW0
46
.
SHUTTLE SW0
47 VCC
BB-SF1
48
VOICE-DET
CIRCUIT DESCRIPTION
I/O
I Input port of the microprocessor reset
I/O Port of ceramic oscillator
I Operation mode0(fixed H) and 1(fixed L)
– No use
– No use
– Power supply(+5V)
I Input port of the clock signal from the mechanism microprocessor
I Input port from the mechanism microprocessor reset
O Output port to the mechanism microprocessor reset
– GND
– No use
O Access mode of extra-address
O Read mode of extra-address
O Write mode of extra-address
O Input port of remote control signal
I Input port of read signal from CD-TEXT IC
O 2 channel
O CD
O Bit 0
I/O Synchro busy signal
I/O Synchro data signal
O Moving panel motor driver 0
O Karaoke DSP serial clock output
O KARAOKE DSP/MIC volume IC clock output
O Moving panel motor driver 1
O Karaoke DSP serial data output
O KARAOKE DSP/MIC volume IC data output
O DAC mute
O Karaoke DSP serial latch output
O Sampling frequency(FS)1
O Mic mute
O Power supply control port
O Bit 1
O Echo mute
– Standard voltage for A/D
I Moving panel close switch
I Mic remote control 1
I Moving panel open switch
I Mic remote control 0
I Key input port 0,1
I Key input port 2
I Model selector
– No use
– GND for A/D
O 96kHz sampling indicator
O DTS/MPEG indicator
O 2 channel down mix
O DVD indicator
O Virtual Surround indicator
O LED standby
I DAC data register address A1
I DAC data register address A0
O Mic volume IC latch output
I DAC data bit IW1
x ao u163
I Shuttle switch 1 y
I DAC data bit IW0
i
I Shuttle switch 0
– Power supply
I DAC sampling rate(SF1)
I Voice defect
DV-203/2070/DVF-5010/9010/K7010
2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
H : except 2CH, L : 2CH
H : except CD, L : CD
H : 16 or 20bit, L : 24bits
0 5 8 2 9 9 4 2 8
H : on, L : off
H : 44.1 or 48kHz, L : 96kHz
H : off, L : on
H : standby, L : power on
H : 16bit, L : 20 or 24bits
H : off, L : on
L : on
L : on
H : on, L : off
H : on, L : off
H : on, L : off
H : on, L : off
H : on, L : off
H : on, L : off
m
H : voice, L : non-voice
9 9
9 9
15