Aiwa TV-AR295, Руководство по обслуживанию

Страница: 19 / 22

26 25
Options Register OPT (97)
Option Byte OPT
1 (21) 2 (22) 4 (24) 5 (25)
6 (26)
OpSurround OpAVL OpSubwoofer
7 (27)
O NoEVG
OpMeshing (20)
1 0
Menu’s in meshing display Normal Menu display
OpAV2 (21)
1 0
AV-2 available No AV-2
OpTDA88/83 (22)
1 0
TDA837X TDA884X
OpLatAm (23)
1 0
LatAm Tuning USA Tuning
OpSurround (24)
1 0
Surround control
1
No Surround control,
see OpSubwoofer
OpAVL (25)
1 0
AVL ou HBL function AVL/HBL function
disabled
OpSubwoofer (26)
1 0
Subwoofer control
1
No Subwoofer control
OpNoEVG (27)
1 0
Vertical guard disabled Vertical guard enabled
1
= Subwoofer control has higher priority than surround.
TDA88/83
0 (20)
OpMeshing
3 (23)
OpLatAm OpAV2
(Example)
97 OPT 218 (00-255)
11011010
5. Screen adjustment
3. Geometry of the Image
a) Using the PM - 5515 generator, apply the crosshatch pattern with circle.
b) Adjust the following items:
Vertical slope ( VSL );
Height ( VAM );
Vertical position ( VSH );
Center Linearity ( SC );
Horizontal position ( HSH )
Adjust the above items, until obtaining the best circle symmetry and positioning, as well as the minor
image geometric distortion.
4. White balance
Note:
The cut point doesn’t need adjustment, because it’s automatically made by
the IC101.
The white adjustment is already pre-adjusted and incised in the IC101 and,
thus, its adjustment is not necessary.
Otherwise, if it is necessary to change the temperature of the white pattern, proceed in the following way:
a) Enter in the service mode.
b) Select via CH or CH the WPR (12), WPG (13) and WPB (14) functions.
c) Increase or decrease the function via VOL or via VOL respectively.
a) Select the register 99 ( VSD ).
b) Press VOL or VOL to access and adjust the screen control localized on the FBT, until the
horizontal line be slightly visible on the screen center.
c) Press CH or CH .
6. AGC adjustment
Apply a PHILIPS pattern with 60dB
µ
V of intensity and adjust so that TP AGC or C103 (+)
terminal become 4V.
a) Select the register 02 (AGC)
All manuals and user guides at all-guides.com