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6-4. IC PIN DESCRIPTION
• IC701 ML63512-117 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 A/B SW I Side A/B detection switch signal input. L: side A, H: side B
2 FWD SW I MD mode switch (FWD) signal input. L: ON
3 CEN SW I MD mode switch (CENTER) signal input. L: ON
4 RVS SW I MD mode switch (RVS) signal input. L: ON
5 CASSETTE SW I Cassette with/without detection switch signal input. L: with, H: without
6 DATA/RMUM I/O Communication data signal output, Remote control with/without detection signal input.
7 REVIVE CTL O Tone select switch signal output. H: REVIVE, L: MEGA BASS/GROOVE
8 MEGA BASS CTL O Tone select switch signal output. H: MEGA BASS, L: OFF/GROOVE
9 F/R CTL O Head select signal output. L: FWD, H: RVS
10 BOOST CTL O Tone select switch signal output. H: BOOST ON, L: OFF
11 AMP CTL O Audio circuit • DDC control signal output. H: POWER ON
12 MUTE CTL O Audio muting control signal output. L: MUTE ON
13 SET STOP1 I Set stop voltage signal input
14 SET STOP2 I Set stop reference voltage signal input
15 BATT DET I Power voltage detection signal input
16 KEY IN I Operation switch signal input
17 PM CTL I Plunger control signal output. L: ON
18 PHOTO (T) CTL O Rotational detection intermittent signal output. (Take-up side) L: ON
19 PHOTO (S) CTL O Rotational detection intermittent signal output. (Supply side) L: ON
20 DOLBY CTL O Dolby circuit control signal output. L: ON
21 VDD1 — Power supply pin. (for external interface)
22 VSS — Ground
23 VDD — Power supply pin
24 VDDH — Backup increased voltage power supply pin
25 CB1 — Increased power supply capacitor connection pin
26 CB2 — Increased power supply capacitor connection pin
27 VDDL — Internal logic positive side power supply pin
28 XT0 I Crystal oscillator connection pin. (32.768 kHz)
29 XT1 O Crystal oscillator connection pin. (32.768 kHz)
30 TEST1B I Test input pin. (Connect to power supply pin.)
31 TEST2B I Test input pin. (Connect to power supply pin.)
32 OSCM — Not used. (Open)
33 OSC0 I High speed CR oscillation (800 kHz) resistor connection pin
34 OSC1 O High speed CR oscillation (800 kHz) resistor connection pin
35 RESET I Reset signal input
36 BEEP O Beep signal output
37 PHOTO (S) IN I Rotational detection signal input
38 PHOTO (T) IN I Rotational detection signal input
39 AMS IN I Music with/without detection (AMS) signal input. (External interruption) H: without
40 P SIG I Motor P-SIG signal input. (External interruption)
41 MOTOR START O Motor wake-up signal output. L: wake-up
42 MOTOR DIR O Motor rotational direction control signal output. H: CCW, L: CW
43 CLRL 2 O Mode select signal output to Motor servo IC (IC601).
44 CLRL 1 O Mode select signal output to Motor servo IC (IC601).
45 MOTOR W O Motor control signal output
46 MOTOR V O Motor control signal output
47 MOTOR U O Motor control signal output
48 1/2 O Motor speed 1/2 control signal output. L: 1/2 high speed, H: normally
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