Denon AVR-1705 Service Manual page 13

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