FAULT FINDING OF SAMSUNG LA26 R71 [ 26” LCD TV ]

Fault Finding of SMPS [Main Power Regulator Board]

Part-3

12 VOLT AND 13 VOLT POWER SUPPLY OUTPUTS ARE MISSING

DM853 [FCH 10A10], CM 856 [1500 MFD/25V]..

12 VOLT POWER SUPPLY OUTPUT IS MISSING.

FM 851 [KRG030], ICM 853 [KIA 278R12P1], RM 858 [10K OHMS], CM 858 [470 MFD/25V].

5 VOLT POWER SUPPLY OUTPUT IS MISSING.

ICM 852 [MC 33167T], DM 854 [EN 220A], CM 861 [2200 MFD/10V], DZM 853 [5V6-Z ZENER DIODE SHORT], DZM 852 [WP], QM 851 [ZG].

24 VOLT POWER SUPPLY OUTPUT IS MISSING.

DM 851 [EN 220A], CM 851 [1500 MFD/35V], DZM 853 [5V6-Z ZENER DIODE SHORT], DZM 852 [WP], CM 852 [1500 MFD/35V].

ALL OUTPUT POWER SUPPLY VOLTAGES ARE LESS THAN NORMAL, AND S.B POWER SUPPLY OTPUT IS OK.

PS 803S [WK 707], ZDTM 851 [KIA431A], ZDM 803 [5V1-Z ZENER DIODE], QM 802 [ZHOG], QM 803 [ZHOG], QM 803 [ZHOG], DM 803 [0E2 OHMS/2W], ICM 801S [F9222L].

ALL POWER SUPPLY VOLTAGES ARE EXCESS THAN NOMRAL, AND S.B POWER SUPPLY OUTPUT IS OK.

DZ 852 [WS], DZS 851 [WB], DS 852 [B31D], RS 855 [100 OHMS], QS 852 [ZG, RS 854 [100 OHMS], PS 802S [WK 707], RS 810 [4.7 OHMS], PS 803S [WK 707], RM 857 [750 OHMS], ZDTM 851 [KIA 431A], RM 855 [2.4 K OHMS], RM 814 [3.3K OHMS], RM 813 [100K OHMS], DZM 803 [5V1-Z ZENER DIODE].

Continued - part 4