MEMORY INITIALIZING [After Memory IC replacement Only]
- Put a new memory IC.
- Turn on the TV set.
- Press and hold the TV/AV Selector on the TV set for more than 2 seconds.
- “CLR” will be displayed on the screen.
- Press the PROGRAMME UP on the TV set while the above On-Screen Display is still on the screen.
- This completes the initialization of memory IC.
Following shows the initialized contents of
memory data by this procedure
Plug & play : No executed
Inhibit data : Cancelled
Ch skip data : Cancelled
Sound volume data : 10/63 steps.
Volume Lock : OFF
Tuning Lock : OFF
Colour system : AUTO
ENTERING SERVICE MODE
- Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set.
============================
< SI. 00100101S2.11111000 >
ADDRESS DATA
01 RF AGC 30
=====================================
This will be the display.- Select item by pressing the TIMER (Item No. UP) or SOUND MUTE (Item No. DOWN) button on the remote control handset.
{Timer: 01=>02=>03=>04=>05......90} {Sound mute:
.90=>89=>88=>87=>86......01}
- Adjust data value by pressing the VOLUME + or VOLUME - button on the remote control handset.
- To return to normal TV mode, press the MENU button on the TV set or the remote control handset.
SERVICE MODE ADJUSTMENTS
RF-AGC
- Tune the receiver to most clearest (or strongest) VHF station in your area. Set the brightness and contrast controls to maximum. Set the colour control to minimum.
- Select [RF AGC] in the service mode.
- Change value until the snow noise just disappears.
- Exit from service mode.
HORIZONTAL CENTER
- Receive a monochrome circular pattern.
- Set the brightness and contrast to normal.
- Select [H-PHA] in the service mode.
- Change value to be optimum horizontal centre position.
- Exit from service mode.
VERTICAL SIZE
- Receive a monochrome circular pattern.
- Set the brightness and contrast to maximum.
- Select [V-SIZ] in the service mode.
- Change value to be optimum vertical size.
- Exit from service mode.
V-S CORRECTION
- Receive a crosshatch pattern.
- Set the lever of SW501 (Vertical Center SW) as the position of a center.
- Select a picture mode of NATURAL by pressing the PICTURE MODE button.
- Select [V-SCO] in the service mode.
- Adjust Vertical S-letter Correction so that the difference of UPPER, CENTER & BOTTOM of the sides of the screen becomes less than 2 mm by pressing the VOLUME + or - button.
- Confirm Vertical Linearity and adjust Vertical Center then Vertical Size.
- Exit from service mode.
