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Pin No.
Pin Name
I/O
Descriptions
1
Vdd
–
Power 5V)
2~7
TEST
O
Test port.
8
XI
I
Crystal oscillation port.
9
XO
O
Crystal oscillation port.
10
Vss
–
GND
11
CPO
O
PLL output port.
12~18
TEST
I
Test port.
19
VIN
I
PLL input port.
20
Vref
I
PLL input port.
21
Vdd
–
Power 5V)
22~29
TEST
I
Test port.
30
Vss
–
GND
31
Vdd
–
Power 5V)
32~39
OPORT
O
Register output ports.
40
Vss
–
GND
41
Vdd
–
Power 5V)
42~44
TEST
I
Test port.
45~47
SDO2~0
O
PCM output port.
48
SDOBCK
I
Bit clock for SD output ports.
49
SDOWCK
I
Word clock for SD output ports.
50
Vss
–
GND
51
Vdd
–
Power 5V)
52
AC3DATA
O
AC3 data detection port.
53
CRC
O
CRC error detection port.
54
MUTE
O
Automatic mute detection port.
55
KARAOKE
O
AC3 karaoke data detection port.
56
SURENC
O
AC3 2/0 mode dolby surround encode input detection port.
57
2/0MODE
O
AC3 2/0 mode input detection port.3.5
58,59
TEST
I
Test port.
60
Vss
–
GND
61
TEST
I
Test port.
62
/IC
I
Initial clear port.
63~65
TEST
I
Test port.
66
/CS
I
Microprocessor interface chip selector input port.
KRF-V7510D/V8010D/VR-208/209
9
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Description
61
FB.RLY
O
Front B speaker relay control. H=relay on.
62
C.RLY
O
Center speaker relay control. H=relay on.
63
S.RLY
O
Rear speaker relay control. H=relay on.
64
POWER.RLY
O
Power relay control. H=relay on.
65
STANDBY.LED
O
Standby led control.L=led on.
66
DOL.DIG.LED
O
Dolby digital led control.L=led on.
67
P.LEVEL.LED
O
Peak level led control.L=led on.
68-70
None
O
No connect
71
PACL_CTL
O
Non oscillation of power pack ic at power off. L=stop oscillation.
72
AC3.IC
O
YSS248/CS4226 initial clear port.
73
EMPHASIS
O
Tuner emphasis on/off. H=100k/10k,L=50k/9k.
74-81
P1-8
O
Display segments 1-8 & key returns 0-7.
82-88
P9-15
O
Display segments 9-15.
89
Vdd
O
Microprocessor power 5V)
90,91
P16,17
O
Display segments 16,17
92-100
G1-9
O
Display grids 1-9.
2. DSP YSS248 (X08 : IC1)
2-1 Pin description
VR-208(K)
COVER-2P(
98.4.24
16:32
y [ W
18