Kenwood DDX7015 Service Manual page 15

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
18 VISUAL_SW1_1
19 VISUAL_SW1_2
20 VISUAL_SW2_1
21 VISUAL_SW2_2
22 PORTVDD0
23 MUTE_AVOUT
24 NC
25 MUTE_SUBOUT
26 NC
27 SYS_MREQ
28 SYS_SREQ
29~32 NC
33 P_CON
34 EXT_CONT
35 ANT_CONT
36 CLKOUT
37 GND0
38 CPUREG
39 VDD0
40 RESET
41 MODE/VPP
TV_SDATA/TV_SDATA
42
TV_SDATA/FLASH_SI
TV_MDATA/TV_MDATA
43
TV_MDATA/FLASH_SO
TV_CLK/TV_CLK
44
TV_CLK/FLASH_CLK
45 SYS_ON
46 SYS_MDATA
47 SYS_SDATA
48 SYS_MCLK
49 PWIC_STBY
50 NC
51 PWIC_SVR
52 PWIC_MUTE
Module I/O
Visual O TV/AVIN/NAVI visual switching
Visual O TV/AVIN/NAVI visual switching
Visual O DVD/TV/AVIN visual switching
Visual O DVD/TV/AVIN visual switching
µCOM
-
Mute O AVOUT mute
O
Mute O IC2 SUBOUT mute (land compatible)
O
to X14 I Request from system control microcomputer
to X14 O Request to system control microcomputer
O
DC Cable (X25) O External amplifier power supply control
DC Cable (X25) O External amplifier control
DC Cable (X25) O Power antenna control
O
µCOM
-
µCOM
-
µCOM
-
I
µCOM
-
TV (External) I Data from the TV unit
V850 I Used when writing to flash memory
TV (External) O Data to TV unit
V850 O Used when writing to flash memory
TV (External) O Clock to TV unit
V850 I Used when writing to flash memory
ON/OFF control from system control
to X14 I
microcomputer
to X14 I Data from system control microcomputer
to X14 O Data to system control microcomputer
to X14 I Clock from system control microcomputer
POWER-IC O POWER-IC standby control
O
POWER-IC O SVR discharge circuit control
POWER-IC O POWER-IC Mute control
Processing Operation
Application
L : Mute ON
L : Mute ON
H : Power ON except all OFF,
L : All OFF or Power OFF
H : Antenna UP,
L : Antenna DOWN
Flash : Pull down,
Mask : GND direct connection
H : Box unit ON,
L : Box unit OFF
H : Power ON, L : Power OFF
H : Forced discharge
L : Mute ON (All OFF or
momentary power down)
DDX7015/7025/7035
DDX7045/7065
Active Truth
Description (H/L) Value
L
L
t
t
t
t
15