Denon AVR-2105 Service Manual page 13

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PIN
3 7 63 1515 0
PIN NAME
No.
27 RELAY_H/P
28 FUNC_UP
29 H/P_DETECT
30 FUNC_DOWN
31 SURR_SB_MUTE
32 CNT_MUTE
33 TA1270_TC90A69F_CLK
34 SURR_MUTE
35 NC
36 MULTI SB RLY
37 RELAY_FRONT_B
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 AVSS
53 VREF
54 AVDD
TE
L 13942296513
55 89057_INT
56 TA1270_TC90A69 DATA
57 GREEN_LED
58 SET_OPT
59 STEP_OPT
60 KEY_IN3
61 KEY_IN2
62 KEY_IN1
63 PWR_DOWN
64 PROTECT
65 C-VIDEO_DET
66 SHARC_SCLK
67 1837_CE
68 SHARC_RESET
69 FRONT_MUTE
70 STBY_LED
71 NC
72 NC
73 74781 CS
74 74781 SCLK
75 SURR_BACK_MUTE
76 2090 CLK2
77 RDS_DATA
78 RDS_CLK
79 FLAG3
80 FLAG2
www
81 FLAG1
82 FLAG0
83 MULTI MUTE
84 S-VIDEO_DET
.
85 REMOCON
86 COPM_DET
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I/O
O RELAY H/P
O ENCODER INPUT (FUNCTION)
I DETECT H/P
O ENCODER INPUT (FUNCTION)
O SURROUND BACK MUTE
O CENTER MUTE
O TA1270/TC90A69F CONTROL
O SURROUND MUTE
- -
O ZONE2/SURROUND BACK : SELECTION RELAY
O FRONT B RELAY
O LC75721 RESET
O POWER RELAY
I RESET
- GND
- OSILATOR CONECTION
- OSILATOR CONECTION
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
- LC89057 INT
O TA1270/TC90A69 DATA
O GREEN LED
I MODEL SELECT
I AREA SELECT
I KEY INPUT
I KEY INPUT
I KEY INPUT
I POWER DOWN DETECT
I PROTECTION
I Composit Signal Detect input
O SHARC EX(DSP) SCLK
O CODEC CE
O SHARC EX(DSP) RESET
O FRONT MUTE
O STANDBY LED
- -
- -
- LC74781 CONTROL ENABLE
O LC74781 CONTROL CLOCK
O SURROUND BACK MUTE
O BU2090 CLOCK2(VIDEO)
I TDA7330 CONTROL DATA
I TDA7330 CLOCK DATA
I Special flag for ROM updata
I DSP operation check flag
I NON USE
I EPROM chip select control for DSP
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y
O MULTI MUTE
I S Signal Detect input
i
I REMOTE CONTROL SIGNAL INPUT
I Compornent Signal input
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2 9
8
FUNCTION
Q Q
3 6 7 1 3 1 5
co
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13
AVR-2105/885 / AVC-1890
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9