Kenwood KVT-910DVD Service Manual page 21

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O
43 SHCON
44 SHSTBY
45 SYSCS
46 SH_VMUTE
47 TOUCH_EN
48 ILLUMI
49 NAVI
50 LAMP
51 SRM_MO1
52 SRM_MO2
53 DVD_RST
54 VSELKEY
55 BVdd
56 BVss
57 NC
58 NC
59 MAS_REQ
60 MDN
61 MDW
62 MDS
63 OFFREQ
64 SYSON
65 SYSOFF
66 PON
67 OPENKEY
68 EJECTKEY
69 SCRNKEY
70 REFCON
71 AVdd
72 AVss
73 AVref
74 PHDET
75 AUTO_DIM
76 DET33
77 DET5
78 DET65
79 TEST
80 PARKING
81 SMALL
82 DET84
83 TYPE0
84 TYPE1
Function
O Drawing micom standby control terminal
I Drawing micom standby transfer complete detection terminal H : Standby transfer complete, need pulldown registor
O Drawing micom data transmission request output terminal
I Image mute request detection terminal
O Touch panel control enable terminal
O ILLUMI output terminal
O NAVI image output condition terminal
O Lamp control terminal
O Monitor mechanism motor control termininal1
O Monitor mechanism motor control termininal2
O DVD micom reset output terminal
I V.SEL Key
- Connect to Vdd
- Connect to Vss
O OPEN
O OPEN
O DVD micom data transmission request output terminal L: With request
O Wide mode switching terminal0
O Wide mode switching terminal1
O Wide mode switching terminal2
I OFFREQ detection terminal
O SYSON Control terminal
O SYSOFF Control terminal
O Peripheral power control terminal
I Open key input terminal
I Eject key input terminal
I Screen key input terminal
O Connect to Avref
- Connect to Vdd
- Connect to Vss
- Connect to REFCON
I Monitor mechanism AD input terminal
I AD input terminal for Auto dimmer
I 3.3V-type power abnormality input terminal
I 5V-type power abnormality input terminal
I 6.5V-type power abnormality input terminal
I TEST mode terminal
I Parking sensor input terminal
I Small input terminal
I 8.4V-type power abnormality input terminal
I Destination switching terminal 0
I Destination switching terminal 1
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
L : Standby transfer request
L : With transmission request
L : With image mute request
L : Touch key analysis forbidden
H : ILLUMI turned on
H : NAVI image L : Other than above
H : Lamp turned on, Blink while monitor in operation
Refer to monitor mechanism sheet
L : Reset
L : key ON
Refer to wide mode sheet
L:OFFREQ
H:SYSON
H:SYSOFF
H : Power ON
L : Key ON
L : Key ON
L : Key ON
H : When using AD converter
Multi-tern sensor 0V(Close)~5V(Open)
0V(Dark)~5V(Bright)
2.5V or less: Abnormality
2.5V or less: Abnormality
2.5V or less: Abnormality
H : test mode ON
H : Parking ON
L : Small ON
2.5V or less: Abnormality
Refer to destination terminal sheet.
Description of Processing
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