39
CX-LFA660/LFA770
•FRONT BOARD IC801 LC876980B-53L3-E (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 MI-ACK I MIACK signal input to the CD unit
2 MP3-RST O Reset signal output to the CD unit
3 MP3-REQ I Request signal input to the CD unit
4 O-MI-CS O MICS signal output to the CD unit
5 O-MI-LP O MILP signal output to the CD unit
6O-MP3-STB O Standby signal output to the CD unit
7O-CD-XTCN O XTCN signal output
8 O-CD-XRST O System reset signal output
9 O-CD-XLT O Latch signal output to the CD unit
10 O-CD-SCOR I SCOR (SUBQ request) signal output to the CD unit
11 RESET I Reset terminal
12 32.768kHz I Input for 32.768kHz crystal oscillation
13 32.768kHz O Output for 32.768kHz crystal oscillation
14 GND — Ground terminal
15 10MHz I Input terminal for ceramic oscillator (10MHz)
16 10MHz-EXTAL O Output terminal for ceramic oscillator (10MHz)
17 VDD1 — Power supply terminal
18 I-POWER-MONITOR I Power Voltage and Protect Detect
19 MODEL DETECT I Model detect
20 I-KEY1 I Key AD input 1
21 AREA I AREA signal input
22 VOL.ENC I Encoder signal input from the volume encoder
23 I-POWER-DOWN I Power down signal input
24 TA-SW I Tape switch status signal input from the tape deck
25 RDS-DATA I RDS data input from the tuner
26 RDS-CLK I RDS clock input from the tuner
27 I-KEY0 I Key AD input 0
28 FUNC-DATA O Function coutrol signal output
29 I-RMC I Remote sensor signal input
30 NC/VREF — Not used
31 to 42 G1 to G12 O Grid signal output to the fluorescent indicator tube
43 to 45 SEG1 to SEG3 O Segment signal output to the fluorescent indicator tube
46 VDD3 — Power supply terminal
47 to 50 SEG4 to SEG7 O Segment signal output to the fluorescent indicator tube
51 FL-29V — VFD Power supply (-)
52 to 60 SEG8 to SEG16 O Segment signal output to the fluorescent indicator tube
61 NC — Not used
62 NC — Not used
63 NC — Not used
64 NC — Connected ground
65 I-SW-TROPN I CD tray close detect
66 I-SW-TRCLS I CD tray open detect
67 TA- END SW I Tape deck reel switch signal input
68 TA-PLAY SW I Play switch signal input from the tape deck
69 NC — Connected ground
70 TU-STEREO I Tuner stereo signal input
71 TU-TUNED I Tuner tuning signal input
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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