Sanyo CE21KF8R, Руководство по обслуживанию

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Service Mode Adjustments
1
T471A
T471
JP409
C437
R487
JP412
T471-H5
T471-H1
JP408
JP407
JP403A
JP405
R355
JW1
J406
R477A
R492
R
C423-H2 C423-H3
C423-H1
C420-H1
C420
C420-H3 C420-H2
C437A
R424
D438
435
JP410
JP411
R477
JP404
T471-H2
J405
C471
JW6
R483
R481
R481A
T471-H7
T471-H11
T471-H6
T471-H4
T471-H8 T471-H10
JP483
JP436
JP477
C437B
FC3G2 CHASSIS
T471
P435
JP403
MAIN BOARD
SCREEN VR
(Under side)
(1) Receive a monochrome circular pattern.
(2) Set the brightness and colour to normal, contrast to maximum.
(3) Enter to the service mode.
(4) Select No. 14 RBIAS (Red Bias), No, 15 GBIAS (Green Bias), and No. 16 BBIAS (Blue Bias) and set each data to 0
by pressing the or - key.
(5) Select No. 17 RDRIV (Red Drive) and No. 19 BDRIV (Blue Drive) and set each data to 64 by pressing the VOLUME
+ or - key.
(6) Turn Screen Control on the FBT (T471) to minimum (fully counter-clock-wise).
(7) Select No. 20 (1-line appear).
(8) Advance Screen Control clockwise to obtain just visible one colour line. If line does not appear, place this control to
maximum (fully clockwise).
(9) Raise each Bias Level with 1, 2, 5, 6, 9 and 0 keys to obtain just visible white line.
(10) Select No. 21 DRV (Drive Adjustments).
(11) Adjust Red and Blue Drive Levels alternately with 3, 4, -/-- or RECALL key to produce normal black an white
picture in highlight areas.
(12) Check for proper grayscale at all brightness levels. To turn off the TV Service Menu display, press the MENU key.
Note: If the Grayscale adjustment is made after picture tube replacement, check the High Voltage
Items 14-17, 19-21 GREY SCALE
JXMRM
PICTURE
-/-- -/--
P P
A
•
B
TIMER
TV/AV
CH
SWAP SOUND
CH SCAN
BASS
CH
SURROUND
MENU
S.SYS C.SYS
Red Bias -
Red Bias +
Green Bias -
Green Bias +
Blue Bias -
Blue Bias +
Press the
MENU
button to exit
from service mode.
Red Drive -
Red Drive +
Blue Drive -
Blue Drive +
SM_21-C5GSH (Rus) 6/28/04 11:33 AM Page 14