Kenwood DDX512 Service Manual page 13

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
82 BE_INI
83 BE_BUDET
84 NC
85 BE_RESERVE2
86 BE_RESET
87 NC
88 BE_SDATA
89 BE_CLK
90 BE_MDATA
91 VCC2
92 TYPE1
93 VSS
94 TYPE2
95 NC
96 ASEL2_2
97 ASEL2_1
98 ASEL1_2
99 ASEL1_1
100 EVOL_MUTE0
101 EVOL_MUTE1
102 NC
103 BE_RESERVE1
104 BE_SREQ
105 EVOL_MUTE2
106 EVOL_MUTEC
107 EVOL_MUTEB
108 AM+B
109 PRE_MUTEF
110 PRE_MUTESW
111 PON
112 SIR_DET
113 SIR_PON
114 NC
115 TV_JUDGE
115 NC
116 ANT_CON
117 P_CON
118 ILLUMI
119~121 NC
122 TYPE0
123 KEY3
124 TUN_IFC
125 TUN_SMET
126 R_NOISE
127 R_AFS_H
I/O Application
O Initial request to back end
O Notifi cation of momentary power down detection to back end
O
I Operation identifi cation terminal from back end
O Reset request to back end
O
I Communication data from back end
I Communication clock with back end
O Communication data to back end
I Destination settings
I Destination settings
O Not used. Output is fi xed to "L"
O AVOUT source audio switching
O AVOUT source audio switching
O Main source audio switching
O Main source audio switching
O E-VOL front mute
O E-VOL rear mute
O
I CLK terminal for operation identifi cation from back end CLK frequency: 1Hz
I Request from back end
O E-VOL R SW mute
O E-VOL_C mute
O E-VOL_B AVOUT mute
O Tuner AM power supply ON/OFF control
O Pre-out mute (FRONT)
O Pre-out mute (REAR/SW)
O SW power supply ON/OFF control
I Sirius connection detection
O SAT power supply ON/OFF
O
I Determination of TV_BOX if it is old or new
O Output from model without TV is fi xed to "L"
O Power antenna control
O P-CON control
I Illumination detection
O
I Destination settings
I Key3 input
I F/E IFC input
I S meter input
I FM noise input
I/O Time constant switching when F/E noise is detected
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Processing / Operation / Description
H: Valid, L: Invalid
L: Reset, H: Clear reset
Refer to "Destination settings"
Refer to "Destination settings"
Refer to "ASEL settings"
Refer to "ASEL settings"
Refer to "ASEL settings"
Refer to "ASEL settings"
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
L: ON, H: OFF
H: Old, L: New
H: UP, L: DOWN
L: STANDBY, POWER OFF, H: EXCEPT
L: ON, H: OFF
Refer to "Destination settings"
Refer to "KEY3 matrix"
H: Station found, L: Station not found
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