Denon AVR-1685, Service Manual

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13
AVR-1705/685
23 RELAY_FRONT_B O FRONT B RELAY
24 RELAY_FRONT_A O FRONT A RELAY
25 RELAY_SURR O SURROUND RELAY
26 RELAY_CNT O CENTER RELAY
27 RELAY_H/P O RELAY H/P
28 FUNC_UP O ENCODER INPUT (FUNCTION)
29 H/P_DETECT I DETECT H/P
30 FUNC_DOWN O ENCODER INPUT (FUNCTION)
31 SURR_SB_MUTE O SURROUND BACK MUTE
32 CNT_MUTE O CENTER MUTE
33 NC - -
34 SURR_MUTE O SURROUND MUTE
35 NC - -
36 NC - -
37 NC - -
38 FL_DRV_RST O LC75721 RESET
39 RELAY_POWER O POWER RELAY
40 RESET I RESET
41 GND GND
42 XTAL CRISTAL OSIRATER CONNECTION
43 EXTAL CRISTAL OSIRATER CONNECTION
44 FL_DRV_CE O LC75721 CE
45 FL_DRV_DATA O LC75721 DATA
46 FL_DRV/2090_CLK O LC75721/BU2090 CLOCK
47 2090_DATA O BU2090 DATA
48 VOL_DOWN I ENCODER INPUT (VOLUME)
49 VOL_UP I ENCODER INPUT (VOLUME)
50 SEL_DOWN I ENCODER INPUT (SELECTOR)
51 SEL_UP I ENCODER INPUT (SELECTOR)
52 AV
SS
AVSS
53 V
REF
VREF
54 AV
DD
AVDD
55 S-VIDEO_DET I S Signal Detect input
56 COPM_DET I Compornent Signal input
57 STEP_OPT I AREA SELECT
58 SET_OPT I MODEL SELECT
59 GND GND
60 KEY_IN3 I KEY INPUT
61 KEY_IN2 I KEY INPUT
62 KEY_IN1 I KEY INPUT
63 C-VIDEO_DET I Composit Signal Detect input
64 PROTECT I PROTECTION
65 89057_INT LC89057 INT
66 SHARC_SCLK O SHARC EX(DSP) SCLK
67 1837_CE O CODEC CE
68 SHARC_RESET O SHARC EX(DSP) RESET
69 FRONT_MUTE O FRONT MUTE
70 PWR_DOWN I POWER DOWN DETECT
71 NC - -
72 NC - -
73 NC - -
74 VIDEO_MUTE O VIDEO MUTE
75 TA1270_TC90A69 DATA O TA1270/TC90A69 DATA
76 TA1270_TC90A69 CLK O TA1270/TC90A69 SCLK
77 RDS_DATA I RDS(TDA7330) DATA
Pin
No.
Pin Name I/O Function
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8 9
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9 8
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