Chapter 2 Specific Informations; Setting & Adjusting Data - Toshiba 34HF83 Service Manual

CHAPTER 2 SPECIFIC INFORMATIONS
SAFETY INSTRUCTIONS
SERVICE MODE
ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:
Item Name of adjustment
RCUT R CUT OFF (Basis)
GCUT G CUT OFF (Basis)
BCUT B CUT OFF (Basis)
GDRV G DRIVE (Basis 1,4,7,10)
BDRV B DRIVE (Basis 1,4,7,10)
BRTC BRIGHT CENTER (1-12)
TNTC TINT CENTTER (1,2,3)
SCNT SUB CONTRAST (1,2,3)
HIT PICTURE HIT (1080)
CIRCUIT CHECKS
SETTING & ADJUSTING DATA
HIGH VOLTAGE AT ZERO BEAM:
MAX HIGH VOLTAGE:
Table-1
NORMAL
Preset
& FULL
←
40H
←
40H
←
40H
←
40H
←
40H
←
80H
←
46H
15H
12H
38H
24H
Table-2
FBT DETECTION VOLTAGE
Table-3
– 12 –
34"
30.0 kV
(A)
35.0 kV
(B)
Item Name of adjustment
V-LINEARITY (1080)
LIN
PICTURE WIDTH (1080)
WID
E-W PARABOLA (1080)
PARA
EW M CORRECTION
CNR
TRAP EW TRAPEZIUM
H-POSITION
HPS
EW TOP CORNER (1080)
TCNR
EW BOTTOM COR (1080)
BCNR
VTRAP (VPS1) (1080)
VPSI
20.1 V
(C)
NORMAL
Preset
& FULL
←
12H
00H 20H
←
16H
←
15H
←
35H
39H 46H
←
14H
←
10H
82H 6DH