Aiwa CA-V100, Service Manual

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23
CA-V100
1 CD DATA I Serial data from CD
2 CD STB O Strobe for CD
3 CD ACK I Acknowledgement from CD
4 CLKSFT O Clock shift for oscillator
5 RST I Reset
6 XT1 (IN) I Crystal Oscillator (32.768kHz)
7 XT2 (OUT) O Crystal Oscillator (32.768kHz)
8 VSS1 — Ground
9 CF1 (IN) I Ceramic filter Oscillator (4.19MHz)
10 CF2 (OUT) O Ceramic filter Oscillator (4.19MHz)
11 VDD1 — Power supply (5V)
12 LEVEL-CHK I Voltage level detection
13 MOTOR I Motor mode detection
14 EEPROM-SCL I Serial clock for EEPROM
15 EEPROM-SDA I/O Serial data for EEPROM
16 N.C. — Not used
17 KEY I Key-in detection
18 N.C. — Not used
19 VCD RESET O Reset for VCD
20 KEY2 I Key-in detection
21 SCONT O Audio selection control
22 AC/DC I AC/DC detection
23 REMO-DATA I Remote control data
24 BEAT O Beat signal for erase head
25 H.DUBB O High speed dubbing control
26 MIC IN I Microphone jack detection
27 N.C./DATA I/O Not used
28 N.C./CLK O Not used
29 MODE I Mode detection
30 N.C./SELECT I Not used
31 N.C. — Not used
32 N.C. — Not used
33 VIDEO MUTE — Not used
34 N.C. — Not used
35 S0 O Segment for LCD
36 S1 O Segment for LCD
37 S2 O Segment for LCD
38 S3 O Segment for LCD
39 VDD2 — Power supply (5V)
40 VSS2 — Ground
41 S4 O Segment for LCD
42 S5 O Segment for LCD
43 S6 O Segment for LCD
44 S7 O Segment for LCD
45 S8 O Segment for LCD
46 S9 O Segment for LCD
47 S10 O Segment for LCD
48 S11 O Segment for LCD
49 S12 O Segment for LCD
50 S13 O Segment for LCD
51 S14 O Segment for LCD
52 S15 O Segment for LCD
• IC801 LC877140A-52S8-E (SYSTEM CONTROL) (MAIN BOARD (4/4))
Pin No. Pin Name I/O Pin Description
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