Changhong Electric PF29GA18A, Руководство по обслуживанию, Страница: 11 / 33

SERVICE MANUAL
(continued)
9
degaussing coil to be over 20M
Ω
.
6. SERVICE mode
6.1 To enter the DESIGN/SERVICE mode
Set the volume to 0. Then press and hold the MUTE button on the remote control, and press the
MENU button on the TV to enter the SERVICE mode. In this case, blue “D” is displayed on the
upper center of the screen. To exit from the D mode, turn off the TV set by the POWER button
on the remote control.
Caution: The user service mode adjustment can be changed only when service personnel adjust
the whole set data during servicing. As the control data have dramatic effects on functions and
performance of the TV, service personnel should not tell user how to enter the SERVICE mode
to avoid improper data settings.
6.2 Adjustments and bus data (GDET0104-03)
Table 3 Function Description for Bus Data
Symbol Description Data
OSD OSD Horizontal Position 63
OPT Optional Setting B7
RCUT R CUT OFF OPT
GCUT G CUT OFF OPT
BCUT B CUT OFF OPT
GDRV G DRIVE OPT
BDRV B DRIVE OPT
PAGE1
SCNT SUB CONTRAST 08
CNTN CONTRAST MIN 0A
CNTC CONTRAST CENTER 3B
CNTX CONTRAST MAX 66
CNTD CONTRAST MAX IN DVD F7
BRTN BRIGHT MIN.(difference from center) 35
BRTC BRIGHT CENTER 35
BRTX BRIGHT MAX.(difference from center) 15
PAGE2
BRTS SUB BRIGHT OPT
COLC COLOR CENTER NTSC 33
COLP
COLOR CENTER PAL(difference from
COLC)
05
COLD COLOR CENTER DVD 05
COLN COLOR MIN. 0D
COLX COLOR MAX.(difference from center) 5D
TNTN TINT MIN.(difference from center) 28
TNTC TINT CENTER 40
PAGE3
TNTX TINT MAX.(difference from center) 28
ST3 SHARP CENTER 3.58NTSC TV 15
ST4 SHARP CENTER OTHER TV 15
SV3 SHARP CENTER 3.58NTSC VIDEO 15
SV4 SHARP CENTER OTHER VIDEO 15
SVD SHARP CENTER DVD 15
PAGE4
ASSH ASYMMETRY-SHARPNESS 05