Sylvania 6626LCT, Service Manual

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5-1 L4300EA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: “CBA” is abbreviation for
“Circuit Board Assembly.”
Note: Electrical adjustments are required after
replacing circuit components and certain
mechanical parts. It is important to perform
these adjustments only after all repairs and
replacements have been completed.
Also, do not attempt these adjustments unless
the proper equipment is available.
Test Equipment Required
1. DC Voltmeter
2. NTSC Pattern Generator (Color Bar W/White
Window, Red Color, Dot Pattern, Gray Scale,
Monoscope, Multi-Burst)
3. Remote control unit: Part No. N0105UD or
N0127UD
4. Color Analyzer
How to make Service remote
control unit:
1. Prepare normal remote control unit.
(Part No. N0105UD or N0127UD)
Remove 3 Screws from the back lid. (Fig. 1-1)
2. Add J1 (Jumper Wire) to the remote control CBA.
(Fig. 1-2)
How to set up the service mode:
Service mode:
1. Use the service remote control unit.
2. Turn the power on. (Use main power on the TV
unit.)
3. Press [SLEEP] button on the service remote
control unit. The following screen appears.
Fig. 1-1
Screws
Remote control unit (bottom)
Fig. 1-2
J 1
Remote Control CBA
Host Ver.
Boot
System
Sub Ver.
Calibration Check OK
: *********
: Push 0 key
: Push 0 key
: *********
"*" differs depending on the models.