Aiwa XR-M700 K Service Manual page 30

IC DESCRIPTION
IC, LC876580W
Pin No. Pin Name
I-STEREO /
1
I-DRF
2 O-FUNC
I-RDS-DATA /
3
O-COIN
I-TUDO /
4
I-SQOUT
5 O-MSTB
6 O-CLK
7 O-DATA
8 O-FUNC-CE
9 O-PLL-CE
10 O-CKS
11 RESET
12 I-HOLD
I-TU-SIG /
13
I-MS
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-CDELV
19 ~ 20 I-KEY1 ~ I-KEY0
21 I-CDTRAY
22 I-CDTSW
23 I-ENC1
24 I-ENC0
25 I-LEVEL
26 I-SC / I-MIC
27 I-TMBASE
I-RDS-CLK
28
I-WRQ
29 I-RMC
30 ~ 43 G14 ~ G01
44 ~ 45 P35 ~ P334
46 VDD3
47 ~ 50 P33 ~ P30
51 VP
52 ~ 56 P29 ~ P25
57 P24 / MD
58 P23 / ECO OFF
I/O
During TUNER function, TUNER stereo signal input /
I
During CD function, CD ASP IC DRF data input.
O Function IC expand port pull up VCC switch output.
During TUNER function, RDS serial data input (not used) /
I/O
During CD function, CD DSP IC command in data output.
During TUNER function, TUNER IF count serial data input /
I
During CD function, CD DSP IC sub-code data input.
O Main IC control serial strobe output.
O IC control serial clock output.
O IC control serial data output.
O Function IC control chip enable output.
O TUNER PLL IC control chip enable output.
O Micom clock chift control output. "L" = Shift up (Initial "H").
I Reset input.
I Power failure overcharge detection input.
During TUNER function, TUNER signal level input /
I
During TAPE function, music sensor detection input.
– Ground.
I Oscillator input for system clock (9.43MHz)
O Oscillator output for system clock (9.43MHz).
– Power supply. Basis on A/D input level. Back up VDD.
I CD evelater position detection input.
I Tact key A/D level input.
I CD tray position detection input.
I CD mecha switch detetion input.
I Waveform input for jog rotary encoder.
I Waveform input for volume rotary encoder.
I Audio signal level detection input (For level bar, CD blank skip).
I CD serial clock input / MIC level detection input. (Not used)
I Reference signal input for clock.
During TUNER function, RDS serial clock input (not used) /
I
During CD function, CD DSP IC WRQ input.
I Remote control signal input.
O FL grid output.
O FL segment output.
– Power supply. Connected to VDD4.
O FL segment output.
– Power supply for FL input.
O FL segment output.
O/I FL segment output / No MD setting switch input (not used).
O/I FL segment output / ECO off setting switch input (not used).
– 30 –
Description