Semiconductors - Denon DRA-395 Service Manual

SEMICONDUCTORS

IC's
CXP82840-319Q (IC900)
80
81
100
1
CXP82840-319Q Terminal Function
Pin
Pin Name I/O
No.
1 G2/A1 O FL G02
2 G1/A0 O FL G01
3 NC(Vdd) I NC(Connect to Vdd)
4 POWER DOWN I AC OFF Detect
5 ENC VOLUME UP I Encoder VOLUME UP
6 RDS CLOCK I RDS clock input(TDA7330)
7 ENC VOLUME DOWN I Encoder VOLUME DOWN
8 REMOCON I Remote signal input.
9 PROTECTION I Protection detecting input.
10 SUB ZONE2 LED O ZONE3 LED indicator control
11 SUB ZONE1 LED O ZONE2 LED indicator control
12 62446 LATCH O Electronic volume control.(M62446 LATCH)
13 FUNCTION SW 1 CE O Function IC control.(TC9274 CE)
14 FUNCTION 1/2 DATA O Function IC control.(TC9274 DATA)
15 FUNCTION 1/2 CLOCK O Function IC control.(TC9274 CLOCK)
16 VOLUME,PLL,4094,DATA O LC72131,M62446,KIC9459,TC9184,TC4094(DATA)
17 VOLUME,PLL,4094,CLOCK O LC72131,M62446,KIC9459,TC9184,TC4094(CLOCK)
18 TUNED I TUNED signal in.
19 STEREO I STEREO signal in.
20 IF COUNT I PLL data in.(LC72131)
21 TUNER MUTE O Tuner mute output.
22 PLL CE O LC72131(CE)
23 4094 STB O TC4094(STB)
24 VOLUME STB O KIC9459,TC9184(STB)
25 SUB 1 MUTE O ZONE2 mute control.
26 MAIN MUTE O MAIN,Subwoofer mute output.
27 POWER RELAY O Power supply relaycontrol.
28 AV REF. I Reference voltage input for A/D converter.
29 1511 DATA O Not used.
30 RDS DATA I Not used.
31 KEY IN 1 I Key input 1
32 KEY IN 2 I Key input 2
33 KEY IN 3 I Key input 3
34 STEP OPTION I Area select.
35 SET OPTION I Model select.
36 SPEAKER A LED 1 O SPEAKER A LED indicator control
37 A VSS I A/D converter GND.
38 RESET I Low-level active,system reset.
39 EXTAL I EXTAL(10MHz)
40 XTAL O XTAL(10MHz)
41 VSS I GND
42 NC(TX) O Not used.
43 G(TEX) I GND
44 VDD I Vcc SUPPLY.
45 VFDP I FDP voltage supply.
51
50
31
30
Function
Pin
Pin Name I/O
No.
46 SPEAKER B LED 2 O SPEAKER B LED indicator control
47 STBY LED 3 O STANDBY LED indicator control
48 PD2/A53 O FL P38
49 PD3/A52 O FL P37
50 PD4/A51 O FL P36
51 PD5/A50 O FL P01
52 PD6/A49 O FL P02
53 PD7/A48 O FL P03
54 PF0/A47 O FL P04
55 PF1/A46 O FL P05
56 PF2/A45 O FL P06
57 PF3/A44 O FL P07
58 PF4/A43 O FL P08
59 PF5/A42 O FL P09
60 PF6/A41 O FL P10
61 PF7/A40 O FL P11
62 PG0/A39 O FL P12
63 PG1/A38 O FL P13
64 PG2/A37 O FL P14
65 PG3/A36 O FL P15
66 PG4/A35 O FL P16
67 PG5/A34 O FL P17
68 PG6/A33 O FL P18
69 PG7/A32 O FL P19
70 PH0/A31 O FL P20
71 PH1/A30 O FL P21
72 PH2/A29 O FL P22
73 PH3/A28 O FL P23
74 PH4/A27 O FL P24
75 PH5/A26 O FL P25
76 PH6/A25 O FL P26
77 PH7/A24 O FL P27
78 A23 O FL P28
79 A22 O FL P29
80 A21 O FL P30
81 A20 O FL P31
82 A19 O FL P32
83 A18 O FL P33
84 A17 O FL P34
85 A16 O FL P35
86 G16 O FL G16
87 G15 O FL G15
88 G14 O FL G14
89 Vdd I Vcc SUPPLY.
90 G13 O FL G13
91 G12 O FL G12
92 G11 O FL G11
93 G10 O FL G10
94 G9 O FL G09
95 G8 O FL G08
96 G7 O FL G07
97 G6 O FL G06
98 G5 O FL G05
99 G4 O FL G04
100 G3 O FL G03
DRA-395
Function
8