Marantz SR5000/N1B Service Manual page 23

IC71 : ANAMI1281AT
1. Block Diagram
2. Pin Configuration
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3. Pin Functions
PIN NO. SYMBOL DESCRIPTION
1 VDD + 5V POWER SUPPLY.
2~3 SW A.B SURROUND ENCODER CONTROL BY THE UP/DOWN.
4 SPK ON/OFF SWITCHING THE SPEAKER OUTPUT.
5 PDN "L"ALL INTERNAL STATE ARE RESET INCLUDE THE CONTROL PORT.
6 IC INITIAL CLEAR
7 SCK MICOM INTERFACE/SUB DSP CLK INPUT
8 SO MICOM INTERFACE/SERIAL DATA OUTPUT.
9 SI MICOM INTERFACE/SUB DSP SERIAL DATA INPUT.
10 AD0 ADDRESS BIT "0".
11 CS UCOM INTERFACE/CHIP SELECT INPUT.
12 CSB SUB DSP CHIP SELECT.
13 RDS_CLK TUNER RDS CLOCK OUT
14 RDS_DATA TUNER RDS DATA OUT
15 STEREO_IN INPUT FOR DETECTING FM STEREO.(AT"L",IT IS ACTIVE.)
16 TUNED_IN INPUT FOR DETECTING THE STATION DURING TUNING.
WHEN THE STATION IS DETECTED,"L"IS INPUTTED.
17~18 NC NOT USED!
19~21 KEY IN DATA INPUT FOR KEY SCAN.
22~23 GND GROUND.
24 Vref VOLTAGE FOR REFERENCE.
25 VDD +5V POWER SUPPLY.
26 BACKUP IF PORT IS "L", POWER IS OFFED AND LAST MEMORY IS ACTIVATED
27 GND GROUND.
28~29 SW A.B ELECTRIC VOLUME ENCODER CONTROL BY THE UP/DOWN.
30 GND GROUND.
31 X_IN INPUT FOR CRYSTAL OSCILATOR.
32 X_OUT OUTPUT FOR CRYSTAL OSCILATOR.
33 RESET INPUT FOR RESETTING CPU.(AT "L", IT IS ACTIVE(RESET). )
34 REMOTE OUT OUTPUT FOR REMOTE CONTROL DATA.
35~36 REMOTE_IN INPUT FOR REMOTE CONTROL DATA.
37 VOL_DATA VOL DATA OUTPUT
38 VOL_CLK VOL CLOCK OUT
39 VOL_STB VOL STROBE
40 PLL_DATA TUNER PLL DATA IN/OUT
41 PLL_CE TUNER PLL CHIP ENABLE PORT
42 DATA FUNCTION DATA OUTPUT
43 CLK FUNCTIONCLOCK OUT
44 STB FUNCTION STROBE
45 MUTE MUTING WHEN CHANGE THE FUNCTION BUTTON.
46 HEADPHONE ON INPUT FOR HEADPHONE.(AT "H",IT IS ACTIVE)
47 POWER ON WHEN THE POWER IS "H",IT IS ACTIVE.
48 SURR. ON/OFF SWITCHING THE SURROUND ON/OFF.
49 PROTECT_IN SIGNAL INPUT FOR PROTECTION.(AT "H",IT IS ACTIVE)
50 -27V -27V POWER SUPPLY FOR FIP.
51~60 FIP GRID PORTS FOR FIP GRID.
61~82 FIP SEGMENT PORTS FOR FIP SEGMENT.
83 OPTION AREA OPTION ( "H" IS EUR AREA, "L" IS USA AREA.)
84 OPTION RDS OPTION ( "H" IS RDS ON , "L" IS RDS OFF.)
85~86 OPTION NOT USED!
86~88 NC NOT USED!
89 6-CH_LED INDICATING DURING THE 6 CH INPUT.(AT "H",IT IS ACTIVE)
90 SUBWOOFER_LED INDICATING DURING THE SUBWOOFER ON.(AT "H",IT IS ACTIVE)
91 MIDNIGHT_LED INDICATING DURING THE MID NIGHT MODE.(AT "H",IT IS ACTIVE)
92 STBY_LED INDICATING DURING THE STANDBY MODE.(AT "H",IT IS ACTIVE)
93 NC NOT USED!
94 OPT_LED INDICATING DURING THE OPTICAL INPUT.(AT "H",IT IS ACTIVE)
95 COAX1_LED INDICATING DURING THE COAXIAL1 INPUT.(AT "H",IT IS ACTIVE)
96 COAX2_LED INDICATING DURING THE COAXIAL2 INPUT.(AT "H",IT IS ACTIVE)
97 CTL-AC VIDEO FUNCTION IC CONTROL PORT "A","C".
98 CTL-BD VIDEO FUNCTION IC CONTROL PORT "B","D".
99 CTL-E VIDEO FUNCTION IC CONTROL PORT "E".
100 SPK S/W_IN SPEAKER PUSH S/W ON DATA IN PORT.
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