HOW TO ENTER TO SERVICE MODE - AKAI TV CT2119
Akai Model CT-2119
Entering into service mode
Turn on the tv set power switch while pressing and holding [program+] and [program-} keys, simoultaniously on the front cabinet
Cancellation of service mode
Press [power] button.
Akai model ct-2579,ct-2979
Entering into service mode
Turn on the tv set power switch while pressing and holding [programme+} and [programme-] keys, simultaneously on the front cabinet.
Cpu option code setup
When memory ic is replace it is necessary to store option code in the EEPROM according to the following procedure.
1 Enter into service mode.
2 Input the option code with the number keys and [volume up.down] keys of remote handset, as given in the following table.
Option code model no
05620100 FOR 2979 DS
0562 0100 FOR CT 2579 DS
0563 0100 FOR CT 2579DS-W
0563 0100 FOR CT 2979DS-W
0563 0100 FOR CT 2579P-W
0563 0100 FOR CT 2979P-W
3 TO CANCEL THE SETUP MENU MODE, TURN OFF THE TV SET [POWER] KEY ON THE REMOTE HANDSET.
Akai model CT 1419,2019, 2119, 2159
Entering into service mode
Turn on the tv set power switch while pressing and holding [volume+] and [volume-] buttons on the front cabinet.
The “adjsut menu” is indicated with each parameter on the screen.
Cancellation of service mode
To cancel the service mode, turn off the power switch or press the [power] key on the remote handset.
Service mode adjustment
Pressing the following adress key on the remote handset can select the corresponding parameter.
The parameter value can be changed by pressing [volume+] and [volume-] keys.
Address osd parameter value range Dec,(hex)
* colour 31 1F 0-63 (0-3F)
* TINT 31 1F 0-63 (0-3F)
9 S-B SUB BRIGHTNESS 63 3F 31-95 (1F-5F)
* USE-BRIGHTNESS 31 1F 0-63 (0-3F)
* CONTRAST 47 2F 0-63 (0-3F)
4 C-R CUT OFF R 31 1F 0-225 (0-FF)
5 C-G CUT OFF G 31 1F 0-225 0-FF)
6 C-B CUT OFF B 31 1F 0-225 (0-FF)
7 D-R DRIVE R 63 3F 0-127 (0-7F)
8 D-B DRIVE B 63 3F 0-127 (0-7F)
1 AFT AFT 223 DF 0-511 (0-1FF)
2 RF RF AGC 31 1F 0-63 (0-3F)
0 VAD VIDEO ADJUST 3 3 0-7 (0-7)
MUTE H-C H CENTER 3 3 0-7 (0-7)
3 VCO VCO CONT 63 3F 0-127 (0-127)
· INDICATES THAT THESE SETTINGS CAN BE SET BY COLOUR, BRIGHTNESS AND CONTRAST ADJUSTMENT.