Panasonic NV-FJ621B, Service Manual

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PROCEDURES FIP DISPLAY
Release the Service mode by pressing the EJECT and
FF keys simultaneously in 6 times until the FIP
becomes normal indication.
Fig. E4
3.3.6. VIDEO FREQUENCY RESPONSE ADJUSTMENT
PROCEDURES FIP DISPLAY
Input the Video sweep signal.
(See Fig.E1)
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/EP mode)
Connect the Oscilloscope to:
*CH1....Video Out (TW3002).
*CH2....V.FREQ.(TW6002)
Press the "4" key on the remote controller.
(Confirm that TW6002 becomes high(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.
Fig. E5
3.3.7. LOCATION OF TEST POINTS & CONTROLS