Aiwa AM-HX100, Service Manual

Page: 24 / 49

– 24 –
Pin No. Pin Name I/O Description
1 SPCOM I Spindle motor common voltage detection terminal.
2 FOPWMF I H bridge 1 forward input terminal.
3 FOPWMR I H bridge 1 reverse input terminal.
4 TRPWMF I H bridge 2 forward input terminal.
5 TRPWMR I H bridge 2 reverse input terminal.
6 GND — GND terminal of MOS circuit part.
7 F – O H bridge 1 reverse output terminal.
8 VM — H bridge 1 output part power supply terminal.
9 F + O H bridge 1 forward output terminal.
10, 11 P – GND — Individual output part GND terminal.
12 T + O H bridge 2 forward output terminal.
13 VM — H bridge 2 output part power supply terminal.
14 T – O H bridge 2 reverse output terminal.
15, 26, 29 NC — Not connected.
16 MUTE — H bridge 1, 2 and 3 phase sled, half bridge mute terminal.
17 STALL — Start/stop terminal.
18 SPPWMR — Brake terminal
19 VCO — VCO oscillation frequency setup terminal.
20 VCC1 — Power supply terminal for all except output part.
21 VCOIN — VCO oscillation frequency control terminal.
22 RMAX — VCO highest oscillation frequency setup terminal.
23 RMIN — VCO lowest oscillation frequency setup terminal.
24 VCTL (NC) — Speed control terminal. (Not used)
25 VCREF (NC) — Speed control standard voltage terminal. (Not used)
27 SPPWMF I PWM signal input terminal.
28 GND — GND terminal of bipolar circuit part.
30 BEMFW
31 BEMFV O Sled motor comparator output terminal.
32 BEMFU
33 SLCOM I Sled motor common voltage detection terminal.
34 SEL (VCC) — Digital input/analog input switch terminal. (Connected to VCC)
35 BAT3 (VM) — Sled motor PWM part power supply terminal. (Connected to VM)
36 OUT3 O Sled motor PWM part output terminal. (Connected to BAT4 through an inductor)
37 P – GND — Sled motor PWM part GND terminal.
38 SLWOUT O Sled motor power output terminal.
39 P – GND — Sled motor output phase GND terminal.
40 SLVOUT O Sled motor power supply output terminal.
41 BAT4 — Sled motor output part power supply terminal.
42 SLUOUT O Sled motor power supply output terminal.
43 FG O FG pulse output terminal.
44 VCC2 — Power supply terminal for all except output part. (Connected to VCC)
IC, CXA8110TQ