Kenwood KVT-627DVDY Service Manual page 19

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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No. Pin Name
34 REGC
35 X2
36 X1
37 VSS
38 VDD
39 CLKOUT
40 MUTE_AVOUT
41 AUDIO_SW1_A
42 AUDIO_SW1_B
43 AUDIO_SW2_A
44 AUDIO_SW2_B
45,46 NC
47 VSYNC_SW2
TE
L 13942296513
48 NC
49 P_ON
50 ANT_CONT
51 EXT_CONT
52 P_CON
53 PWIC_MUTE
54 PWIC_STBY
55 BVDD
56 BVSS
57 NC
58 MUTE_0
59 MUTE_1
60 MUTE_2
www
61 TYPE4
62 MUTE_C
.
63 EEPROM_SDA
63 AUD_SDA
Module
I/O
(physical)
µCOM
µCOM
µCOM
µCOM
µCOM
µCOM
MUTE O Muting for AVOUT
LX/NAVI1/SW3 (or TV)/
Audio O
AVIN1 audio switching (for main)
LX/NAVI1/SW3 (or TV)/
Audio O
AVIN1 audio switching (for main)
Audio O TV/AVIN1/AVIN2 audio switching (for sub)
Audio O TV/AVIN1/AVIN2 audio switching (for sub)
O
Switching for monitoring of NTSC/PAL
Visual O identification COMP signal and AUTO
detection COMP signal
O
Power supply O SW5V→SW14V power supply ON/OFF control
DC-CN O Power antenna control
DC-CN O External amp control
DC-CN O External amp power supply control
POWER-IC O POWER-IC muting control
POWER-IC O POWER-IC standby control
µCOM
µCOM
O
IC2 VI O Muting for IC2 VI OUT0
IC2 VI O Muting for IC2 VI OUT1
IC2 VI O Muting for IC2 VI OUT2
TYPE I Destination setting
x ao u163
y
IC2 VI O Muting for IC2 VI MUX_C
i
EEPROM I/O Data for EEPROM (ROM correction)
IC2 VI I/O Data for IC2 VI
2 9
8
Truth Value
Application
Table
q
q
w
w
!4
Q Q
3 6 7 1 3 1 5
u
co
.
KVT-627DVD/627DVDY/717DVD
KVT-737DVD/747DVD/767DVD
9 4 2 8
Processing Operation Description
L: MUTE ON, H: Normal
Refer to truth value table
Refer to truth value table
Refer to truth value table
Refer to truth value table
0 5 8 2 9 9 4 2 8
H: ON, L: Normal
Hi when selecting FMAM→Antenna UP
H: Antenna UP,
In other cases Low→Antenna DOWN
Hi: During POWER ON (Does not come
ON during STANDBY)
Low: During STANDBY or POWER OFF
L: MUTE ON (During POWER/ACC OFF,
STANDBY, and at momentary power down)
H: POWER ON, L: POWER OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
m
L: MUTE ON, H: MUTE OFF
Refer to truth value table
L: MUTE ON, H: MUTE OFF
9 9
9 9
19