Kenwood KR-V8090 Service Manual page 8

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1060VR/1070VR/KR-V8090/KR-V9090
3 7 63 1515 0
No. Name
18 T MUTE
19 STEREO
20 SD
21 FL STB
22 FL CLK
23 FL DOUT
24 FL DIN
25 DSP CLK
26 DSP MIS0
27 DSP MIS1
28 –
29 S. LEVEL
30 DSP SS
31 DSP HREQ
32 SL16 / X58
33 S BUSY
34 S DATA
35 PROTECT
36 CE
37 –
38 RESET
39 EXTAL
40 XTAL
41 VSS
TE
L 13942296513
42 TX
43 TEX
44 VDD
45 VFDP
46 DSP RESET
47 VIDEO D
48 VIDEO C
49 VIDEO B
50 VIDEO A
51 LOUDNESS
52 -20dB ATT
53 TON STB
54 VOL STB
55 VOL/TON CLK
56 VOL/TON DAT
57 SEL STB2
58 SEL STB1
59 SEL CLK
60 SEL DATA
61 MUTE
62 RELAY POWER
63 RELAY TR
64 RELAY CS
65 RELAY B
66 RELAY A
67 DSP GPIO
www
68-80 NC
89 VDD
90-100 NC
8
CIRCUIT DESCRIPTION
I / O
O
O
I
O
O
I
O
–
I
O
–
I
O
I
I
I/O
I/O
I
I
–
I
–
–
–
–
–
–
–
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
–
x ao
O
O
. i
Tuner mute signal output
Tuner stereo signal input
Tuner sd signal input
uPD16311 (FL driver) strobe signal output
uPD16311 (FL driver) clock signal output
uPD16311 (FL driver) data signal input
uPD16311 (FL driver) data signal output
56004 (DSP) clock signal output
56004 (DSP) data signal input
56004 (DSP) data signal output
A / D standard voltage (+5V)
RDS signal level input
56004 (DSP) interface signal output
56004 (DSP) host request signal input
Serial SL16 / XS8 switching input
Serial busy signal input - output
Serial data signal input - output
Protection signal input
Microprocessor AC off signal input
Connects to VSS
Reset signal input
8MHz oscillation elements (input)
8MHz oscillation elements (output)
Q Q
Microprocessor power supply (GND)
3 6 7
–
Connects to VSS
Microprocessor power supply (+5V)
Connects to VSS
56004 (DSP) reset signal output
SN761200n (video sel) control signal D output
SN761200n (video sel) control signal C output
SN761200n (video sel) control signal B output
SN761200n (video sel) control signal A output
Loudness control signal output
Volume -20dB ATT control signal output
TC9184P (Tone) strobe signal output
TC9184P(Volume) strobe signal output
TC9412P/9184P (Volume/Tone) clock signal output
TC9412P/9184P (Volume/Tone) data signal output
NJU7311 (for Sel AC-3) strobe signal output
NJU7313/7312/7311 (Sel) strobe signal output
NJU7313/7312/7311 (Sel) clock signal output
NJU7313/7312/7311 (Sel) data signal output
Audio mute signal output
Power relay ON/OFF output
2nd side voltage relay ON/OFF output
Speaker C/S relay ON/OFF output
Speaker B relay ON/OFF output
Speaker A relay ON/OFF output
56004 (DSP) data forwarding control signal output
u163
Microprocessor power supply (+5V)
y
–
2 9 9 4
8
Description
1 3 1 5 0 5 8 2 9
m
co
.
2 8
9 9
9 4 2 8 9 9