Wednesday, February 26, 2014

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.