Table Of Contents - Kenwood DDX5024 Service Manual

DDX5024/5034/5034BT/5034M/5054/514/54R
DNX5140/5240/5240BT/6000EX/6140
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
73 WRT_E2P
74 VCC2
75 TYPE4
76 VSS
77 NC
78 DISKDET
79 BE_MREQ
80 BE_STBY
81 BE_CON
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 ASEL3_1
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
12
I/O Application
I Used when writing into E2P
I Terminal for destination (5VPRE/2VPRE)
O Not used. Output is fi xed to "L"
I DVD mechanism function to detect if there is a disc or not H: Disc is not detected, L: Disc is detected
O Request to back end
I Standby request from back end
O Control request to back end
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 Dedicated audio switching with K and R BT (MAIN or BT) Refer to "ASEL settings"
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
AF dedicated mute, Time constant 0.5mS
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
Processing / Operation / Description
L: Normal condition
H: When writing into E2P
H: 5V pre-out, L: 2V pre-out
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