Kenwood KX-W894 Service Manual page 10

KX-W8Q4W4060/W"6060
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CIRCUIT DESCRIPTION
Test Mode
The system enters this test mode when KS3(TP3) and KR10
(TP4) are shorted together with a diode and the AC power
plug connect to the AC outlet.
Cancel method : Press the REC pause key or disconnect the
AC power plug from the AC outlet.
(1) Lamp display : All the indicators turn on 500 ms after the
power is switched on and remain on for 1500ms.
(2) Mechanical switch display : Each switch state is displayed
on the level meter when the line muting signal is on.
~c = -25 -15 -9 -6 -3 0 +3 (dB)
(A) L | pest isihy 3
B OFF C HALF Cr O2
(B) R | Pea (iat), la)
2 5 cD HALF F.REC Cr:O2 R.REC
(3) The level meter lights when the mechanical switch is set
to ON. Deck A set to the left channel and deck B to the
right channel.
(4) Recording level : The recording level is changed to three
steps(-codB «> —25dB <> +3dB) with the HI-DUBB/NOR-
DUBB key.
(5) Twice speed reeerding : Recording is initiated at HIGH
speed with the |.SCAN Key.
REC PLAY
RWD
(7) Playback speed switching : The tape is played back at high
speed in the forward direction by pressing the FF key.(The
Forward PLAY, Reverse PLAY, and RWD keys cannot be
used for playback.)
(8) Input level attenuation : The REC PAUSE mode is entered
by pressing the CCRS key. In this case, an attenuator is
activated so that the output is OdBm when a signal is
input.When deck A stops and deck B has a recordable
tape}