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Sharp VL-RDI U Service Manual page 49

Liquid crystal digital camcorder

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VL-RDl U
2. Phase and equalizer adjustment + (Performed in the VCR mode)
[Procedure]
1) Load a self-recorded tape into the deck.
II)
I
2) After playback for 3 minutes, select the test mode OF using the remote control for I 2)
adjustment to start the automatic adjustment. (The following sequence is automatically
performed.)
I
I
3)
The built-in PPW color bar is recorded.
\1
14)
VS REW
I
\1
I
PB
I
I
3)
4) *
Phase and equalizer are adjusted automatically.
\1
JI
OK
NG
Blue LCD comes on.
Red LCD comes on.
\1
Tape is EJECT.
I
Error rate check
Select and fix the TEST MODE OC on the adjustment remote control.
I
Manual adjustment method (video adjustment mode)
I
Perform this adjustment with the self-recording/playback
in the LP mode.
I
For phase, vary the data for the address 28, and for equalizer, vary the data for the (
address 27, to set the error rate to the minimum.
I
Svnchronization
error
Error rate
I
I
I
I
I
Synchronization
error 20 or less
Error rate
200 or less (SP Mode)
330 or less (LP Mode)
During
mechanism
re-
placement
During circuit board (Main)
replacement
During E2PROM replace-
ment
During POWER2 PWB re-
placement
1 o-9

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