Kenwood KR-V8090 Service Manual page 15

3 Test tone operation
While displaying as follows every time it presses
DIRECT key when dolby surround is working, it
switches a speaker and TEST-TONE is output.
By pressing DIRECT key, this work and dolby
surround can be canceled.
4 Mute signal output
Because the analog mute always becomes OFF
condition, it isn't possible to control absolutely.
however, when the value with front volume is the
minimum, it becomes an analog mute ON condition.
5 AC-3 The 6ch input changing.(Only KR-V9090)
When the selector of KR-V9090 is VIDEO2, press
"AUTO/MANU" key. At this time, KR-V9090 becomes
"AC3 6ch input" condition. (M-INPUT is lighted).
"AC3 6ch input" condition is able to cancel by
pressing "AUTO/MANU" key. (It become usual
function).
6 The ADAPTER input changing.
Press the "BAND" key of KR-V9090. At this time, KR-
V9090 changes to ADAPTER input. When "BAND"
key is pushed again, it is able to cancel it.
7 TONE BASS/TREBLE
When KR-V9090 is doing the function of the test
mode, the TONE BASS/TREBLE key does a function
below periodically.
FLAT(0) MAX(+10)
CIRCUIT DESCRIPTION
MIN(-10)
1060VR/1070VR/KR-V8090/KR-V9090
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