Akai 25CT23FSR, Service Manual

Page: 20 / 46

Scrolling of display region
Variable flash rate controlled by software
Enhanced display features including overlining, underlining and italics
Soft colors using CLUT with 4096 color palette
Globally selectable scan lines per row (9/10/13/16) and character matrix [12x10, 12x13,
12x16 (VxH) ]
Fringing (Shadow) selectable from N-S-E-W direction
Fringe color selectable
Meshing of defined area
Contrast reduction of defined area
Cursor
Special Graphics Characters with two planes, allowing four colours per character
32 software redefinable On-Screen display characters
4 WST Character sets (G0/G2) in single device (e.g. Latin, Cyrillic, Greek, Arabic)
G1 Mosaic graphics, Limited G3 Line drawing characters
WST Character sets and Closed Caption Character set in single device
Functional Difference between the Various IC Versions
IC Version (TDA) 9350 9351 9352 9353 9360 9361 9362 9363 9364 9365 9366 9367 9380 9381
9382 9383 9384 9385 9386 9387 9388 9389
Table 7
(3) BLOCK DIAGRAM
19
IC VERSION(TDA)
TV range
Mono intercarrier multi -standard
sound demodulator (4.5-6.5 MHz)
with switchable centre frequency
Audio switch
Automatic Volume Levelling
Automatic Volume Levelling or
subcarrier output (for combfilter
applications)
Qss sound IF amplifier with
separate input and AGC circuit
AM sound demodulator without
extra reference circuit
PAL decoder
SECAM decoder
NTSC decoder
Horizontal geometry (E-W)
Horizontal and Vertical Zoom
ROM size
User RAM size
Teletext
Closed captioning
9350
90°
V
V
V
V
V
3 2 -
64K
1K
1
page
V
9351
90°
V
V
V
V
V
V
3 2 -
64K
1K
1
page
V
9352
90°
V
V
V
V
V
3 2 -
64K
1K
1
page
V
9353
110°
V
V
V
V
V
V
V
3 2 -
64K
1K
1
page
V
9360
90°
V
V
V
V
V
V
64-
128K
2K
10
page
V
9361
90°
V
V
V
V
V
V
64-
I28K
2K
10
page
V
9362
110°
V
V
V
V
V
V
V
64-
I28K
2K
10
page
V
9363
110°
V
V
V
V
V
V
V
V
64-
128K
2K
10
page
V
9364
110°
V
V
V
V
V
V
64-
128K
2K
10
page
V
9365
110°
V
V
V
V
V
V
V
V
64-
128K
2K
10
page
V
9366
90°
V
V
V
V
64-
128K
2K
10
page
V
9367
90°
V
V
V
V
V
64-
128K
2K
10
page
V
9380
90°
V
V
V
V
V
16-
64K
1K
V
9381
90°
V
V
V
V
V
V
16-
64K
1K
V
9382
90°
V
V
V
V
V
16-
64K
1K
V
9383
110°
V
V
V
V
V
V
V
16-
64K
1K
V
9384
110°
V
V
V
V
V
V
V
V
16-
64K
1K
V
9385
110°
V
V
V
V
V
V
16-
64K
1K
V
9386
110°
V
V
V
V
V
V
V
V
16-
64K
1K
V
9387
90°
V
V
V
V
16-
64K
1K
V
9388
110°
V
V
V
V
V
V
16-
64K
1K
V
9389
110°
V
V
V
V
V
16-
64K
1K
V