Panasonic NV-SV120EG Service Manual page 18

PROCEDURES FIP DISPLAY
Set the 3D DNR SW to ON, and
the S-VHS REC to ON in OSD
menu fuction. / Insert the S-VHS
BLANK TAPE. / Input the Video
sweep signal (See Fig. E1) to
AV3 (S-VIDEO IN) and record it
in SP and LP.
Press the FF and EJECT Keys
simultaneously for 3 seconds.
Press the FF and EJECT Keys
simultaneously twice.
Press the EJECT key for 3
seconds.
Press the CH UP and/or CH
DOWN key until "11" is
displayed on FIP.
Insert the Self-recorded tape
and playback it. (SP/LP mode)
Connect the Oscilloscope to:
*CH1....Video Out (TW3021).
*CH2....V.FREQ.(TW6002)
Press the "4" key on the remote controller.
(Confirm that TW6002 becomes high(2.5V)).
Adjust the Frequency response by pressing the
"2"(increase) and/or "8"(decrease) key on the
Remote Controller. (See Fig.E2)
Store the Adjusted value by pressing the "5" key on
the Remote Controller.
Release the Service mode by pressing the EJECT
and FF keys simultaneously in 6 times until the FIP
becomes normal indication.
F6
3.3.6. VHS VIDEO FREQUENCY RESPONSE ADJUSTMENT
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