Kenwood KVT-910DVD Service Manual page 37

MICROCOMPUTER'S TERMINAL DESCRIPTION
KEY Matrix (SYSTEM U-COM)
KS0 Vol Down
KS1
NAVI/2ZONE Audio Interrupt Selector Logic (TV-TUNER U-COM)
Normal
FRONT
Normal
REAR
2ZONE
Test Mode Control Terminal Logic for DVD Image Quality Adjustment (VIDEO U-COM)
Image Quality Adjustment Mode (Microvision OFF)
Image Quality Adjustment Mode (Microvision ON)j
Normal Operation
1. How to enter test mode
Short-circuit [TEST1] terminal to GND, and reset.
From that point on, from DVD-Video image output, color bar is displayed.
(Adjustment is conducted by variable registor.)
By adjusting the logic of [TEST2] terminal, Microvision can be turned ON/OFF.
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KR0 KR1
Vol Up
ATT T.I.
SEL1
Hi
NAVI Hi
Hi
Hi
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
KR2
Seek Down
Source
Port name
SEL2
Hi
Low
Hi
Hi
Port name
Test1
Low
Low
Hi Don't Care
KR3
Seek Up
SEL3 SEL4
Hi Hi
Hi Hi
Hi Hi
Hi Low
Test2
Hi
Low
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