10
10
AVR-1604/684 / AVC-1580
Pin
No.
Pin Name FunctionI/O
24 RELAY F-A O FRONT A RELAY
25 RELAY SURR O SURROUND RELAY
26 RELAY CNT O CENTER RELAY
27 RELAY H/P O H/P RELAY
28 FUNC UP I ENCODER INPUT(FUNCTION)
29 H/P DETECT I H/P DETECT
33 NC
30 FUNC DOWN I ENCODER INPUT(FUNCTION)
32 CNT MUTE O CENTER MUTE
31 SB MUTE O SURR. BACK MUTE
69 FRONT MUTE O FRONT MUTE
34 SURR MUTE O SURROUND MUTE
35 NC
36 NC
37 NC
38 FL DRV RESET O LC75721NE RESET
39 RELAY POWER O POWER RELAY
40 RESET I RESET
41 GND I
42 XTAL
43 EXTAL
44 FL DRV CE O LC75721NE CE
45 FL DRV DATA O LC75721NE DATA
46 FL DRV/2090 CLK O CONTROL CLOCK
47 2090 DATA O BU2090F DATA
48 VOL DOWN I ENCODER INPUT(VOLUME)
49 VOL UP I ENCODER INPUT(VOLUME)
50 SEL DOWN I ENCODER INPUT(SELECT)
51 SEL UP I ENCODER INPUT(SELECT)
52 AVSS
53 VREF
54 AVDD
55 NC
56 GND
57 STEP OPT I AREA SELECT
58 SET OPT I MODEL SELECT
59 GND
60 KEY IN3 I KEY INPUT
61 KEY IN2 I KEY INPUT
62 KEY IN1 I KEY INPUT
63 9K/10K STEP I TUNER STEP SELECT
64 PROTECT I PROTECTION
65 89057 INT I LC89057 INTERUPT
66 M32 SCLK O MELODY32 CLOCK
67 1837 CE O CODEC CE
68 M32 RESET O MELODY32 RESET
70 NC
71 NC
72 NC
73 NC
74 NC
75 NC
76 NC
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