Toshiba 26DF56 Service Manual

26DF56 SUPPLEMENT DOCUMENT CREATED IN JAPAN, July, 2006 -SUMMARY- This supplement serves as an update to the original 26DF56 Service Manual, file number 050-200620. Please refer to this Supplement in conjunction with the original Service Manual when servicing this model.

DATE:Jul.,2006 RANK: Product: COLOR TELEVISION Model: 26DF56 SERVICE INSTRUCTION A Performance improvement of IC. Parts exchange and memory data change. BAB805051524 or younger. Corrective reason: Corrective action: Applicable units: ORION ELECTRIC CO.,LTD. 41-1 IEHISA-CHO,ECHIZEN-CITY,FUKUI 915-8555 JAPAN FACSIMILE: (0778)24-5456 PHONE: (0778)23-0001 ORION ELECTRIC CO.,LTD. NOBUO TSUKAMOTO MANAGER TEC-HQ 2TEC SEC4

1. 2. 3. 4. Turn on the POWER, and set to the TV mode. Set the VOLUME to minimum. Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds. After the confirmation of each check sum, power on total hours, micon version and Digital TV MICON Firmware version, turn off the power. CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND DIGITAL TV MICON FIRMWARE VERSION Initial total of MEMORY IC, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware VERSION can be checked on the screen. Total hours are displayed in 16 system of notation. NOTE: If you set a factory initialization, the total hours is reset to "0". Please refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding. FIG. 1 CRT ON 0000 OEC7161B_005 DTV d-W65251 INIT 19CF ROM: 0000 VOLUME: 2F3A POWER ON total hours. = (16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value) MICON Version Digital TV MICON Firmware Initial setting data check sum. Rom correction data check sum. AUDIO External terminal Volume.

MFR'S VERSION B REF. NO. PART NO. DESCRIPTION TSB P/N PART NO. DESCRIPTION TSB P/N CAUSE IC101 S3Y9010M01 MEMORY DATA OEC7161A 75003525 S3Y9010M02 MEMORY DATA OEC7161B 75004515 One-Part CH selector Correspondence. PCB070 A3Y9010070 TV MT PCB ASS’Y(VERSION A) CMF089A 75003529 A3Y9010070 TV MT PCB ASS’Y(VERSION B) CMF089A 75003529 MICON VERSION UP. IC2408 S3Y9010F01 MEMORY DATA SST39VF1681-70-4C-EKE 75003527 S3Y9010F02 MEMORY DATA SST39VF1681-70-4C-EKE 75004520 PCB0H0 A3Y9010DH0 DIGITAL PCB ASS’Y(VERSION A) CEE139B 75003534 A3Y9010DH0 DIGITAL PCB ASS’Y(VERSION B) CEE139B 75003534 All parts are not interchangeable between version. ELECTRICAL REPLACEMENT PARTS LIST