VL-PDl U
2. Shutdown voltage adjustment
(Wiring board diagram: Sub Side A)
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11) During E2PROM replace-
[Procedure]
jcpgd
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L9ia
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L921
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CP90
Load the blank cassette into the deck.
1)
2)
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3)
4
*
5)
6)
+
7)
3
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TL930(+)
TL934(-)
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ment (IC703)
Set the unit to the camera mode, and start recording. (LCD : ON, V/F OFF)
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Press the “CONTINUE” and “TEST SEL” keys on the adjustment remote control in this 1
order.
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Select T-03 with the “REW” and “FF” keys and press “PLAY” key.
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This shifts the operation mode to the shutdown voltage adjustment mode.
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At this time, the display in which T-03 is flashing changes to the normal REC screen. I
Measure the voltages between TL930 (+) and TL934 (-) using the digital multi-meter,
and supply external power until the power voltage is adjusted to +5.90 VAC.
k--5.9OV + 30mV
Press the “SET” key. I
This executes automatic adjustment.
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At this time, with the “BATTERY” indication appearing only for an instant, the I
adjustment is complete.
Press the “CONTINUE” key on the adjustment remote control.
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HSWP adjustment
[Procedure]
1 1) During mechanism re-
1) Play back the alignment tape in the video mode.
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2) Press the “CONTINUE” and “HSWP ADJ” keys on the adjustment remote control in this I 2) During E2PROM replace-
order.
+ This executes the HSWP adjustment.
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ment (IC302 inside the
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head amplifier circuit
When the adjustment is successful, the blue LCD lights up and the cassette is
automatically ejected. If not properly adjusted, the red LCD lights up.
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board)
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