Kenwood KVT-910DVD Service Manual page 31

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O
42 BIL
43 I
44 ST
45 BG
46 L2
47 NC
48 NC
49 NC
50 NC
51 NC
52 NC
53 NC
54 NC
55 BVdd
56 BVss
57 SEL1
58 SEL2
59 SEL3
60 SEL4
61 RGB_SW
62 AR_MUTE
63 AF_MUTE
64 NC
65 NC
66 NC
67 NC
68 NC
69 NC
70 REFCON
71 AVdd
72 AVss
73 AVref
74 NC
75 TEST MODE IN
76 TYPE_M
77 NC
78 NC
79 NC
80 NC
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Function
I Bi-lingual broadcast detection (J type only)
O IF switching (E, W, H, M, C, X type)
I Stereo broadcast detection (J type only)
O IF switching (E, W, H, M, C, X type)
O
O Open
O Open
O Open
O Open
O Open
O Open
O Open
O Open
- Connect to Vdd
- Connect to Vss
O NAVI, 2-zone Audio interrupt switching
O NAVI, 2-zone Audio interrupt switching
O NAVI, 2-zone Audio interrupt switching
O NAVI, 2-zone Audio interrupt switching
O TV/NAVI image switching (Monitor image)
O 2-zoneREAR output mute output
O NAVI Audio interrupt mute output
O Open
O Open
O Open
O Open
O Open
O Open
O Connect ot Avref
- Connect to Vdd
- Connect to Vss
I Connect to REFCON
I Connect to GND
I For test mode input
I M type TV tuner N-value switching
I Connect to GND
I Connect to GND
I Connect to GND
I Connect to GND
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
L : Bi-lingual broadcast H : Other
H : I AREA
L : Stereo broadcast H : Other
H : BG AREA
H : FRANCE VHF-Low
Refer to NAVI/2ZONE Selector sheet
H : TV/VD1/VD2, L : NAVI
H : MUTE ON, at 2-zon,
on with the same timing as AMUTE
H : MUTE ON
H : A/D reference voltage ON
"H" (Shortcircuit CN30), then,
reset Same as micom for FM/AM
L(M1) : As conventional (38.0)
H(M2) : IF=38.9
Description of Processing
33