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PANASONIC

METHOD 1 For chassis AMEDP, APEDP, AREDP ...
Press ACTION (TV turned on)
Select SET-UP icon, set antenna to CABLE
Select TIMER icon, set sleep timer to 30
Press ACTION twice to exit menus and tune to channel 124
Adjust volume to 0
Press VOL - on TV control panel and red 'CHK' will appear in the upper left corner
To toggle between Serviceman and Aging Modes press ACTION and VOL + simultaneously on the control panel
The set is now in Serviceman Mode, press POWER on remote to select one of the five Serviceman Adjustment Modes:
B = VCJ Sub Adjustments
C = VCJ Cut-off Adjustments
S = Options (PIP and Clock Adjsutments)
M = MTS Adjsutments
'CHK' = Normal operation of CHANNEL and VOLUME controls
Press CHAN UP / DOWN on remote to select an item
Press VOL LEFT / RIGHT to adjust

METHOD 2
Short test point FA1 to cold ground FA2 (A-board: TP pin 8 to pin 3)
Receiver is in Aging Mode with yellow 'CHK' in the upper-left corner
Press ACTION and VOL+ simultaneously on the control panel and 'CHK' should be in red
The set is now in Serviceman Mode, press POWER on remote to select one of the five Serviceman Adjustment Modes:
B = VCJ Sub Adjustments
C = CRT Adjustments
D = Pincushion Adjustments
S = Options Adjustments (PIP and clock)
Press CHAN UP / DOWN on remote to select an item

Press VOL LEFT / RIGHT to adjust

METHOD 3 TX-W28R3 (and similar models)
Set BASS to maximum position, set TREBLE to minimum position
Press REVEAL on the remote control and at the same time press VOLUME on the TV.
This will place the TV into the Service mode
Press the RED / GREEN buttons to select an item
Press the YELLOW / BLUE buttons to adjust
Press STORE on the preset panel after each adjustment has been made to store the required values
To exit the Service Mode, press NORMALIZATION