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IC DESCRIPTION
QQ
IC, LC876572
3 7 63 1515 0
Pin No.
Pin Name
1
M-CLK
2
M-DATA
3
TU-ON
4
O-PLL-CE
5
CD5
6
BIAS
7
O-POWER
8
O-MUTE
9
O-C-SHIFT
10
CD1
11
I-RESET
12
I-RTVR
13
I-JOG
14
VSS1
15
CF1
16
CF2
17
VDD1
18
HOLD
19 ~ 21
I-KEY1 ~ 3
22
I-CDSW
TE
L 13942296513
23
I-DISH
24
I-SPEANA
25
O-RMT
26
I-RDS-SG
27
I-TM-BASE
28
I-WRQ/I-RDS-CK
29
I-REM
30 ~ 42
G13 ~ G1
43 ~ 45
P38 ~ P36
46
VDD3
47
SPEANA–A/P35
48
SPEANA–B/P34
49
SPEANA–C/P33
50
CSNDEMO/P32
51
–VP
52
P31/TU3
53
P30/TU2
54
P29/TU1
www
55
P28
56
P27
.
57
I-STEREO/P26
58
P25
http://www.xiaoyu163.com
I/O
O
Common serial clock.
O
Common serial data.
O
Tuner supply control. H: ON.
O
Tuner PLL IC chip enable.
O
CD dish LED5. L: ON.
O
Recording bias control. L: ON.
O
Audio power ON/OFF.
O
System mute ON/OFF.
O
Clock shift output. L: Shift.
O
CD dish LED1. L: ON.
I
System reset input.
I
Volume rotary encoder.
I
Dial jog rotary encoder.
–
Connected to GND.
I
Oscillator circuit input.
O
Oscillator circuit output.
–
Power supply.
I
System hold input.
I
Tact key matrix 1 ~ 3 input.
I
CD MECHA SW matrix input.
I
CD turntable photo sensor.
I
Spectrum analyzer level detection.
O
Record ON/OFF control. H: ON.
I
RDS Signal level input. (Not used)
I
Time base clock input.
I
CD WRQ input/Tuner RDS clock input. (Not used)
I
Remote control signal input.
O
FL grid G13 ~ G1 output.
O
FL segment P38 ~ P36 output.
–
Power supply.
O
Spectrum analyzer band control A/FL segment P35 output.
O
Spectrum analyzer band control B/FL segment P34 output.
O
Spectrum analyzer band control C/FL segment P33 output.
I/O
Initial DEMO mode detect. H: OFF/FL segment P32 output.
–
Power supply for FL input.
O/I
FL segment P31 output/TUNER series, TU3 select.
O/I
FL segment P30 output/TUNER series, TU2 select.
O/I
FL segment P29 output/TUNER series, TU1 select.
O
FL segment P28 output.
x
ao
u163
y
O
FL segment P27 output.
i
I/O
Tuner stereo signal input/FL segment P26 output.
O
FL segment P25 output.
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
– 21 –
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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