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Service Adjustments
Item 01 [RFAGC] AGC
NOTE: Do not attempt this adjustment with weak signal.
(1) 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 mini-
mum.
(2) Select Item No. 01 [RFAGC] in the service mode.
(3) Change value until the snow noise just disappears.
(4) Exit from the service mode.
Item 02 [H-PHA] HORIZONTAL CENTRE
(1) Receive a monochrome circular pattern.
(2) Set the brightness and contrast to normal.
(3) Select Item No. 02 [H-PHA] in the service mode.
(4) Change value to be optimum horizontal centre position.
(5) Exit from the service mode.
Item 03 [V-POS] VERTICAL CENTRE
(1) Receive a monochrome circular pattern.
(2) Set the brightness and contrast to maximum.
(3) Select Item No. 03 [V-POS] in the service mode.
(4) Change value to be optimum vertical centre position.
(5) Exit from the service mode.
Item 04 [V-SIZ] VERTICAL SIZE
(1) Receive a monochrome circular pattern.
(2) Set the brightness and contrast to maximum.
(3) Select Item No. 04 [V-SIZ] in the service mode.
(4) Change value to be optimum vertical size.
(5) Exit from the service mode.
Horizontal centre
Vertical centre
Vertical size
Item 12 [OSDHP] OSD POSITION
(1) Receive a monochrome circular pattern.
(2) Set the brightness and contrast to normal.
(3) Select Item No. 12 [OSDHP] in the service mode.
(4) Change value to be proper OSD position.
(5) Exit from the service mode.
Item 65 [AFCRF] AFC GAIN
±
(1) Switch on the TV.
(2) Select Item No. 65 [AFCRF] in service mode.
(3) Change data value to "01".
(4) Exit from the service mode.
Item 85 [CCD] CAPTION H-POSITION ADJ.
±
(1) Tune receiver to a caption channel.
(2) Check that CAPTION position is in the horizontal
center of the screen. If CAPTION center is too right or
left, perform steps 3-6. (See figure below.)
(3) Select Item No. 85 [CCD] in the service mode.
(4) Adjust data with + or - key for proper horizontal center.
(5) Exit from the service mode
XXX XXXX XXXX XXX
A
Caption H-position Adj.
-11-
A=B
B
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