Kenwood DDX6027 Service Manual page 18

DDX6027/6027Y/7017
DDX7037/7047/7067
MICROCOMPUTER'S TERMINAL DESCRIPTION
Audio Microcomputer: 703030YGCJ13A (X34: IC303)
Pin No. Pin Name
1 TV_CON
2 TUN_SCL
3 NAVI1_RX
4 NAVI1_TX
5 VISUAL_SW5_1
6 EVDD
7 EVSS
8 RGB_SW1
9 RGB_SW2
10 VSYNC_DET
11 VISUAL_SW4
12 SYS_MDATA
13 SYS_SDATA
14 SYS_MCLK
15 VSYNC_SW1
16 VISUAL_SW3_2
17 PWIC_BEEP
18 IC/VPP
19 VISUAL_SW3_1
20 VISUAL_SW2_2
21 VISUAL_SW2_1
22 VISUAL_SW1_2
23 VISUAL_SW1_1
24 VISUAL_SW5_2
25 RDS_DATA
26 RDS_QUAL
27 P_ON_AM
28 RDS_AFS
29 NC
30 MUTE_PRE
31 RESET
32 XT1
33 XT2
18
Module
I/O
(physical)
TV O Startup requests to TV unit
FST I/O F/E I2C clock output terminal
NAVI I Data from navigation 1
NAVI O Data to navigation 1
Visual O TV/AVIN2 video switching
µCOM
µCOM
Visual O TV/NAVI1/NAVI2 RGB video switching
Visual O TV/NAVI1/NAVI2 RGB video switching
Vertical synchronization signal detection
Visual I
(for automatic detection of AVIN2)
Visual O TV/Rear view camera video switching
Data from system control µ-com
to X14 I
Data to system control µ-com
to X14 O
Clock from system control µ-com
to X14 I
Switching for monitoring of NTSC/PAL
Visual O identification COMP signal and AUTO
detection COMP signal
Visual O NAVI1/NAVI2/AVIN1 video switching
POWER-IC O Beep output
µCOM
Visual O NAVI1/NAVI2/AVIN1 video switching
Visual O SW5 (or TV)/AVIN2/DVD video switching
Visual O SW5 (or TV)/AVIN2/DVD video switching
AVIN2/SW5 (or TV)/
Visual O
SW3 (or NAVI1) video switching
AVIN2/SW5 (or TV)/
Visual O
SW3 (or NAVI1) video switching
Visual O TV/AVIN2 video switching
RDS I RDS decoder DATA input
RDS I RDS decoder QUAL input
FST O AM power supply ON/OFF control
FST I/O Noises detection constant switching
O
MUTE O Muting for PREOUT
µCOM
µCOM
µCOM
Truth Value
Application
Table
!3
!0
!0
!2
!4
!1
!1
o
o
i
i
!3
Processing Operation Description
H: TV unit ON, L: TV unit OFF
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
H: ON (When AM is selected), L: Normal
L: MUTE ON, H: Normal