Changhong Electric 21NF55, Руководство по обслуживанию, Страница: 12 / 83

SERVICE MANUAL
10
5EWW/6EWW 1F East-West correction (for large-screen only)
5EWP/6EWP 1F East-West parabola correction (for large-screen only)
5UCR/6UCR 1F Upper corner parabola correction (for large-screen only)
5LCR/6LCR 1F Lower corner parabola correction (for large-screen only)
5EWT/6EWT 1F Trapezoidal correction (for large-screen only)
5VSL/6VSL 1F Vertical slope (for large-screen only) *
5VAM/6VAM 1F
Vertical amplitude; For 50Hz,
“
5VAM
”
is displayed
；
for
60Hz,
“
6VAM
”
is displayed.
*
5SCL/6SCL
Set to the
optimal mode
S correction *
5VSH/6VSH
Set to the
optimal mode
Vertical center in the TV mode for 50Hz/60Hz. For 50Hz,
“
5VSH
”
is displayed
；
for 60Hz,
“
6VSH
”
is displayed.
*
5VOF/6VOF
Set to the
optimal mode
OSD vertical center *
VX 19 Vertical zoom (for large-screen only)
20 Red gun cutoff voltage *
GRN 20 Green gun cutoff voltage *
WPR 1F Red gun drive voltage *
WPG 1F Green gun drive voltage *
WPB 1F Blue gun drive voltage *
YDFP/YDFN 07 PAL brightness delay time/ NTSC brightness delay time
TOP 10-1F UOC AGC *
VOL 26
TV audio output power can be adjusted by means of UOC
audio output amplitude. Generally, UOC audio output
amplitude is set to 26 for 21” models with stereo output of
3W+3W; 2C for 21” models with stereo output of 5W+5W;
24 for 14” models with mono output of 2WX2; 22 for 14”
models with mono output of 1WX2.
***
IFFS 03
（
02
）
PIF (02-38.9MHz, 03-38MHz)
HDOL 04 Cathode drive level (typical: 04-07)
AGC 03 IF ACG speed
VG2B 3A
VG2 brightness setting(VG2B): 3A for 21” models;
2E for 14” models;
Contrast Max. setting (MCON): 30 for 21” Malaysia
Matsushita or BMCC CRT with ferrite mask;
MCON: 30; VG2B: 30, HDOL: 04 for 21” Chunghwa CRT
SBRI 1F Sub brightness
MBRI 30 Brightness Max.
(Continued)