Kenwood KDC-W8534 Service Manual page 9

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
85 VCC2 -
86 EXT AMP CON I/O
86 NC O
87 VSS -
88~91 TYPE 1~TYPE4 I
92 NC -
93 OEM DISP DATA I/O
93 NC O
94 OEM DISP CLK I/O
94 NC O
95 OEM DISP CE I/O
95 NC O
96 NC -
97 P CON O
98 NC -
99 ANT CONT O
100 ILLUMI DET I
101 BU DET I
102 ACC DET I
103 (PWIC SVR) O
104 PWIC MUTE O
105 PWIC STBY O
106 LX CON O
107 MUTE PRE R O
107 NC O
108 CD MUTE PRE L O
108 MUTE_PRE O
109 MUTE 0 O
110 MUTE 1 O
111 MUTE 2 O
112 NC O
113 DSP MUTE I/O
113 NC O
114 MUTE C O
114 NC O
115 DSP INIT RST O
115 NC O
116 DSP S RST O
116 NC O
Function
External amplifier control
Not used
Destination switching
Not used
External display DATA
Not used with DISP OUT
External display CLK
Not used with DISP OUT
External display control request
Not used with DISP OUT
Not used.
External amplifier control
Not used.
Power antenna control
Dimmer illumination detection
Momentary power down detection
ACC power supply detection
SVR discharge circuit
Power IC mute
Power IC standby control
Start up request to slave unit
Rch pre-out mute
Not used when MD
Lch pre-out mute
PRE_OUT MUTE (MD)
E-VOL front mute
E-VOL rear mute
E-VOL sub mute
Not used
DSP mute
Not used when without DSP
E-VOL AFS mute
Not used (in other than when the destination is E)
DSP initial reset
Not used when without DSP
DSP system reset
Not used when without DSP
KDC-W8534/W8534Y
KDC-X790
Processing Operation
Fixed to L-output for models without EXT_AMP
Refer to Truth Value Table y
External display
Output L fixed
External display
Output L fixed
External display
Output L fixed
POWER ON : H, POWER OFF or STANDBY : L
TUNER ON : H
L : ON, H : OFF
BU : L, No BU or momentary power down : H
ACC ON : L, ACC OFF : H
H : 5 seconds after POWER OFF and momentary
power down, Then : L
L : When STANDBY source or momentary power
down, L : When TEL MUTE
POWER ON : H, POWER OFF : L
H : SLAVE UNIT ON, L : SLAVE UNIT OFF
L : When "MUTE PRE R" is "L" or at momentary
power down, H : Only when 2-zone
Output L fixed
L : When "MUTE PRE L" is "L" or at momentary power
down, H : Only when 2-zone
L : When at momentary power down
ON : L, OFF : H
ON : L, OFF : H
ON : L, OFF : H
ON : L, OFF : Hi-Z
Output L fixed
ON : L, OFF : H
Output L fixed
L : Reset, H : Reset release
Output L fixed
L : Reset, H : Reset release
Output L fixed
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